JPH11295018A - Rotary throttle position sensor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To detect a minute position with high precision, by a method wherein there are provided an output pattern connected to each detecting resistance pattern of an idling position, a throttle valve position and a rotary angle, and a rotor provided with a resistor and a brush connected to each of the resistance patterns. SOLUTION: In an idling position detecting resistance pattern 25 provided on a surface of a resistor 24, one end thereof is electrically connected to a first power supply electrode 26 provided on a surface of the resistor 24 and the other end thereof is electrically connected to a GND electrode 27. In a throttle valve resistance pattern 29, one end thereof is electrically connected to a second power supply electrode 30 and the other end thereof is electrically connected to the GND electrode 27. Further, this resistance pattern 29 is provided so that it is in parallel with a resistance pattern 25 and a start terminal thereof is at the same position as an end terminal of the resistance pattern 25. A rotary angle detecting resistance pattern 31 is provided at another position counter to the resistance patterns 25, 29, and has an operation angle of the sum of an operation angle of the resistance pattern 29, and one end thereof is electrically connected to a third power supply electrode 32 and the end thereof is electrically connected to the GND electrode 27.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary throttle position sensor used for detecting a position of a throttle shaft and an idling position of an internal combustion engine, for example.

[0002]

2. Description of the Related Art Generally, an internal combustion engine of a vehicle or the like uses a throttle valve to control the amount of air flowing into the engine. When the throttle valve is opened, a large amount of air is sucked. As a result, the speed of the engine is controlled. The throttle valve is connected to an accelerator pedal, and is controlled to open and close by the amount of depression of the accelerator pedal.

A conventional rotary throttle position sensor of this type is disclosed in Japanese Patent Application Laid-Open No. 5-79809.

A conventional rotary throttle position sensor will be described below with reference to the drawings.

FIG. 6 is a top view showing a conventional rotary throttle position sensor with a cover removed, and FIG. 7 is a side sectional view of the rotary throttle position sensor.

In FIGS. 6 and 7, reference numeral 1 denotes a cylindrical case having a bottom. A connector terminal 2 is provided on an outer surface of the case 1 so as to protrude outward. Reference numeral 3 denotes a resistor, and a first position detection resistor pattern 4 is provided on the surface of the resistor 3. One end of the first position detection resistor pattern 4 is provided on the upper surface of the resistor 3. G electrically connected to the power supply electrode 5 and the other end provided on the upper surface of the resistor 3
It is electrically connected to the ND electrode 6. A second position detection resistor pattern 7 is provided on the upper surface of the resistor 3 on the side facing the first position detection resistor pattern 4. The second position detection resistor pattern 7 is One end is electrically connected to the power supply electrode 5 and the other end is connected to the GN.
It is electrically connected to the D electrode 6. Further, two output patterns 8 are provided on the surface of the resistor 3 inside the first position detection resistance pattern 4 and the second position detection resistance pattern 7. One end of 8 is electrically connected to the output electrode 9, and the output electrode 9 detects the output voltage of each of the first position detection resistance pattern 4 and the second position detection resistance pattern 7. . Reference numeral 10 denotes a resin rotor. The rotor 10 is rotatably housed inside the case 1 and has a metal brush 11 provided on a lower surface. The position detection resistance pattern 4 and the second position detection resistance pattern 7 are in sliding contact with each other. Reference numeral 12 denotes a resin cover which closes the opening of the case 1.

The operation of the conventional rotary throttle position sensor configured as described above will now be described.

The case 1 is fixed to a mating throttle body (not shown). The rotor 10 rotates when a person steps on an accelerator of a motor vehicle (not shown) or releases the accelerator, and two brushes 11 attached to the rotor 10 are synchronized with the rotation by the resistor 3. First position detection resistor pattern 4 provided on the upper surface of
By changing the sliding contact position between the output electrode 9 and the second position detecting resistor pattern 7, an output voltage corresponding to the sliding contact position is obtained on the output electrode 9, and the change in the output voltage is detected by the connector terminal 2. Via the other computer (not shown)
To control the amount of fuel injected into the engine. In this case, the first position detection resistance pattern 4 and the second position detection resistance pattern 7
Since the two position detection resistor patterns are provided, two substantially identical output voltages can be obtained as shown in FIG.

[0009]

However, in the above-described conventional configuration, the first position detecting resistor pattern 4 is not provided.
And the second position detection resistor pattern 7, two substantially identical output voltages can be obtained. However, the first position detection resistor pattern 4 and the second position detection resistor pattern 7
Are both formed with a long resistance pattern,
The voltage change in a small section is small, and as a result, when detecting an extremely small section such as an idling position with high accuracy, the change in the output voltage is a small change, and thereby, the small position can be accurately detected. Has a problem that it is difficult to detect the

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a rotary throttle position sensor capable of detecting a minute position with high accuracy.

[0011]

In order to achieve the above object, a rotary throttle position sensor according to the present invention comprises a bottomed cylindrical case having a connector portion provided so as to protrude outward from an outer surface; An idling position detecting resistor pattern having one end electrically connected to the first power supply electrode and the other end electrically connected to the GND electrode; one end electrically connected to the second power supply electrode; A resistance pattern for detecting a throttle valve position electrically connected to a GND electrode; and a resistance pattern for detecting a throttle valve position and the resistance pattern for detecting a throttle valve position, the resistance pattern being provided separately from the resistance pattern for detecting an idling position and the resistance pattern for the throttle valve position. It has an operation angle corresponding to the sum of the operation angle with the detection resistor pattern, and one end is electrically connected to the third power supply electrode. A rotation angle detection resistance pattern having one end electrically connected to a GND electrode; and an output voltage of each of the idling position detection resistance pattern, the throttle valve position detection resistance pattern, and the rotation angle detection resistance pattern. And three output patterns electrically connected to an output electrode, and a resistor installed inside the case, and rotatably housed inside the case for detecting an idling position of the resistor. This structure includes a rotor provided with three brushes slidingly contacting the resistance pattern, the throttle valve position detection resistance pattern, and the rotation angle detection resistance pattern, respectively, and a cover for closing an opening of the case. Thus, it is possible to provide a rotary throttle position sensor capable of detecting a minute position with high accuracy. Than it is.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An invention according to a first aspect of the present invention is directed to a bottomed cylindrical case having a connector portion provided so as to protrude outward from an outer surface, and a first power supply having one end. An idling position detecting resistance pattern electrically connected to the electrode and the other end electrically connected to the GND electrode;
A throttle valve position detecting resistor pattern having one end electrically connected to the second power supply electrode and the other end electrically connected to the GND electrode; and a throttle valve position detecting resistor pattern and a throttle valve position detecting pattern. A throttle valve position detecting resistor pattern and an idling position detecting resistor pattern. The operating angle is equal to the sum of the operating angles of the throttle valve position detecting resistor pattern and the idling position detecting resistor pattern, and one end is electrically connected to a third power supply electrode. A rotation angle detection resistance pattern having one end electrically connected to a GND electrode; and an output voltage of each of the idling position detection resistance pattern, the throttle valve position detection resistance pattern, and the rotation angle detection resistance pattern. And three output patterns electrically connected to an output electrode, and provided inside the case. And a resistor that is rotatably housed inside the case and slidably contacts the resistance pattern for detecting the idling position, the resistance pattern for detecting the throttle valve position, and the resistance pattern for detecting the rotation angle of the resistor. According to this configuration, a rotor provided with a brush and a cover for closing an opening of the case are electrically connected at one end to the first power supply electrode, and the other end is electrically connected to the GND electrode. Even if an extremely small section such as an idling position is detected with high accuracy, the idling position detection resistor pattern can be arranged in a short section because the connected resistance pattern for the idling position detection is provided. As a result, a minute position can be detected with high accuracy by the idling position detection resistance pattern. It is expected to have an effect.

According to a second aspect of the present invention, the throttle valve position detecting resistor pattern is arranged so that the throttle valve position detecting resistor pattern is substantially parallel to the idling position detecting resistor pattern and the start end is substantially the same as the end position of the idling position detecting resistor pattern. According to this configuration, when the brush is slid along the idling position detection resistance pattern and the throttle valve position detection resistance pattern, the output voltage of the idling position detection resistance pattern is almost simultaneously generated. The generation of the output voltage from the throttle valve position detecting resistor pattern is started, and as a result, the input signal line of the other computer of each of the idling position detecting resistor pattern and the throttle valve position detecting resistor pattern is generated. Can share the input signal line of the other computer. Those having an effect of reducing.

According to a third aspect of the present invention, a bottomed cylindrical case having a connector portion provided so as to protrude outward from the outer side surface, and one end is electrically connected to the first power supply electrode. And an idling position detecting resistor pattern electrically connected at the other end to the GND electrode, and provided on a longitudinal extension of the idling position detecting resistor pattern and one end electrically connected to the second power supply electrode. A throttle valve position detecting resistor pattern electrically connected to a GND electrode at the other end thereof; and a throttle valve position detecting resistor pattern provided on a longitudinal extension of the idling position detecting resistor pattern and the throttle valve position detecting resistor pattern. It has an operation angle equal to the sum of the operation angles of the detection resistance pattern and the idling position detection resistance pattern, and has one end connected to the third. A rotation angle detection resistance pattern electrically connected to a power supply electrode and the other end electrically connected to a GND electrode, the idling position detection resistance pattern, the throttle valve position detection resistance pattern, and the rotation angle detection resistance pattern Are provided with three output patterns each of which detects an output voltage of one of them and one end of which is electrically connected to an output electrode, and a resistor disposed inside the case, and rotatably housed inside the case. And a resistor pattern for detecting an idling position of the resistor,
The rotor includes three rotors provided in sliding contact with the throttle valve position detection resistance pattern and the rotation angle detection resistance pattern, and a cover for closing an opening of the case. Is electrically connected to the first power supply electrode and the other end is electrically connected to the GND electrode, so that an idling position detecting resistor pattern is provided, so that an extremely small section such as an idling position can be detected with high accuracy. In this case as well, it becomes possible by arranging the resistance pattern for idling position detection in a short section, and as a result, it is possible to detect a minute position with high accuracy by the resistance pattern for idling position detection. .

Embodiment 1 Hereinafter, a rotary throttle position sensor according to Embodiment 1 of the present invention will be described with reference to the drawings.

FIG. 1 is a side sectional view of a rotary throttle position sensor according to Embodiment 1 of the present invention, and FIG. 2 is a top view of a resistor in the rotary throttle position sensor.

In FIG. 1 and FIG. 2, reference numeral 21 denotes a bottomed cylindrical case made of resin. A connector portion 22 is provided on an outer surface of the case 21 so as to protrude outward. The connector terminal 23 has one end protruding inside the case 21 and the other end protruding outward inside the connector portion 22. Reference numeral 24 denotes a resistor made of resin. The resistor 24 is provided on the opening side of the case 21. A resistor pattern 25 for detecting an idling position is provided on the surface of the resistor 24. One end of the detection resistor pattern 25 is electrically connected to the first power supply electrode 26 provided on the surface of the resistor 24, and the other end is electrically connected to the GND electrode 27. Reference numeral 29 denotes a throttle valve position detecting resistor pattern provided on the surface of the resistor 24. The throttle valve position detecting resistor pattern 29 has one end connected to the second power supply electrode 3.
0 and the other end is connected to the GND electrode 2
7 is electrically connected. The throttle valve position detecting resistor pattern 29 is substantially parallel to the idling position detecting resistor pattern 25 and the start end of the slot valve position detecting resistor pattern 29 is located at substantially the same position as the end of the idling position detecting resistor pattern 25. It is provided to be. Reference numeral 31 denotes a rotation angle detection resistance pattern. The rotation angle detection resistance pattern 31 is provided on the surface of the resistor 24 at a position opposite to the idling position detection resistance pattern 25 and the throttle valve position detection resistance pattern 29. The rotation angle detection resistance pattern 31 has an operation angle equal to the sum of the operation angles of the idling position detection resistance pattern 25 and the throttle valve position detection resistance pattern 29. The rotation angle detecting resistor pattern 31 has one end electrically connected to the third power supply electrode 32 and the other end connected to the GND.
It is electrically connected to the electrode 27. Reference numeral 33 denotes an output pattern. The output pattern 33 is provided on the surface of the resistor 24, and one end is electrically connected to an output electrode 34 provided on the surface of the resistor 24, whereby the idling position detecting resistor is provided. The respective output voltages of the pattern 25, the throttle valve position detecting resistor pattern 29 and the rotation angle detecting resistor pattern 31 are detected. Reference numeral 35 denotes a resin rotor. The rotor 35 is rotatably housed inside the case 21 and has three metallic brushes 36 fixed on the upper surface thereof.
Are brought into sliding contact with the resistance pattern 25 for detecting the idling position, the resistance pattern 29 for detecting the throttle valve position, and the resistance pattern 31 for detecting the rotation angle of the resistor 24. Reference numeral 37 denotes a cover made of resin. The cover 37 closes an opening of the case 21 and has a hole 38 substantially at the center.

Next, a method of assembling the rotary throttle position sensor according to the first embodiment of the present invention configured as described above will be described.

First, an insulating substrate (not shown) prepared in advance
The resistance pattern 25 for detecting the idling position, the resistance pattern 29 for detecting the throttle valve position, the resistance pattern 31 for detecting the rotation angle, the first power supply electrode 26, the GND electrode 2
7. After printing the second power electrode 30, the third power electrode 32, the output pattern 33 and the output electrode 34, the resistor 24 is formed by burning.

Next, a rotor 3 made by cooling a liquid thermosetting resin melted at a high temperature in a mold (not shown).
The three brushes 36 are fixed to the upper surface of 5.

Next, the connector terminals 23 are arranged in a mold (not shown), and the liquid resin melted at a high temperature is cooled in the mold, and the connector terminals 23 are integrally formed in the connector portion 22. A case 21 integrally formed so as to be held is formed.

Next, after the rotor 35 provided with the brush 36 is housed inside the case 21, the resistor 24 is placed on the opening side of the case 21 so that the brush 36 of the rotor 35 detects the idling position of the resistor 24. The resistance pattern 25, the throttle valve position detection resistance pattern 29, and the rotation angle detection resistance pattern 31 are arranged to be in sliding contact with each other.

Finally, the opening of the case 21 is closed with a cover 37. Regarding the rotary throttle position sensor according to Embodiment 1 of the present invention configured as described above,
Next, the operation will be described.

The case 21 is fixed to a mating throttle body (not shown). The rotor 35 rotates when a person steps on an accelerator (not shown) of an automobile (not shown) or releases the accelerator, and a brush 36 attached to the rotor 35 in synchronization with the rotation rotates the resistor 36 so that the resistor 2 is rotated.
The output voltage corresponding to the sliding contact position can be obtained from the output electrode 34 by changing the position of sliding contact with the idling position detecting resistive pattern 25, the throttle valve position detecting resistive pattern 29 and the rotation angle detecting resistive pattern 31. Things. In this case, one end is electrically connected to the first power supply electrode 26 and the other end is connected to the GND electrode 27.
Since the resistance pattern 25 for detecting the idling position which is electrically connected to the motor is provided, the resistance pattern 25 for detecting the idling position is disposed in a short section even when an extremely small section such as the idling position is detected with high accuracy. This makes it possible, as a result, as shown in FIG.
This has an operational effect that a minute position can be detected with high accuracy by the idling position detecting resistance pattern 25.

The throttle valve position detecting resistor pattern 29 is provided so as to be substantially parallel to the idling position detecting resistor pattern 25 and to have the starting end substantially at the same position as the end of the idling position detecting resistor pattern 25. The brush 36 with the idling position detecting resistor pattern 2
5 and along the throttle valve position detecting resistor pattern 29, the output voltage of the throttle valve position detecting resistor pattern 29 starts almost simultaneously with the completion of the generation of the output voltage of the idling position detecting resistor pattern 25. As a result, the input signal line of the other computer (not shown) of the idling position detection resistance pattern 25 and the throttle valve position detection resistance pattern 29 can be shared.
This has the effect of reducing the number of input signal lines of the other computer (not shown).

(Embodiment 2) Hereinafter, a rotary throttle position sensor according to Embodiment 2 of the present invention will be described with reference to the drawings.

FIG. 4 is an exploded perspective view of a rotary throttle position sensor according to Embodiment 2 of the present invention, and FIG. 5 is a top view of a resistor in the rotary throttle position sensor.

4 and 5, reference numeral 41 denotes a bottomed cylindrical case formed of a synthetic resin having excellent heat resistance and mechanical strength such as polybutylene terephthalate mixed with glass fibers. Is provided with a connector portion 42 so as to protrude outward.
The connector terminal 43 is integrally provided with the connector terminal 43. One end of the connector terminal 43 is exposed inside the case 41, and the other end is projected outward into the connector portion 42. A flange 44 is formed on the outer peripheral surface of the case 41, and the flange 4
A mounting portion 46 having a mounting hole 45 is provided at a part of the portions 4 facing each other. Reference numeral 47 denotes a resistor made of a resin film substrate such as a polyimide film. The resistor 47 is provided on the inner wall surface of the case 41, and a resistor pattern 48 for detecting an idling position is provided on the surface of the resistor 47. The idling position detecting resistor pattern 48 has one end electrically connected to the first power supply electrode 49 provided on the surface of the resistor 47 and the other end electrically connected to the first GND electrode 50. I have. Reference numeral 51 denotes a throttle valve position detection resistance pattern provided on the surface of the resistor 47. The throttle valve position detection resistance pattern 51 is the idling position detection resistance pattern 4.
8 and one end of the second
Is electrically connected to the power supply electrode 52 and the other end is connected to the second G electrode.
It is electrically connected to the ND electrode 53. Reference numeral 54 denotes a rotation angle detection resistance pattern. The rotation angle detection resistance pattern 54 is located on the surface of the resistor 47 and extends in the longitudinal direction of the idling position detection resistance pattern 48 and the throttle valve position detection resistance pattern 51. And an operating angle equal to the sum of the operating angles of the idling position detecting resistance pattern 48 and the throttle valve position detecting resistance pattern 51. The rotation angle detecting resistor pattern 54 has one end electrically connected to the third power supply electrode 55 and the other end electrically connected to the third GND electrode 56. Reference numeral 57 denotes three output patterns provided on the surface of the resistor 47. The output pattern 57 includes the idling position detection resistance pattern 48 and the throttle valve position detection resistance pattern 5.
1 and the output voltage of the rotation angle detection resistance pattern 54 are detected, and one end of each is electrically connected to three output electrodes 58. Reference numeral 59 denotes a leaf spring formed of a metal such as stainless steel into a V-shape. The leaf spring 59 is housed in the case 41 and has one surface formed of a flat plate portion 60 and the other surface formed of a comb-shaped portion 61. And the comb-shaped portion 61 makes the resistor 47
A first power electrode 49, a second power electrode 52, a third power electrode 55, a first GND electrode 50, a second GND electrode 53, a third GND electrode 56, and three output electrodes 58
Is electrically connected to one end of the connector terminal 43 by pressing. Reference numeral 62 denotes a rotor made of a synthetic resin such as polybutylene terephthalate mixed with glass fibers. The rotor 62 is rotatably housed in the case 41, and has a wall 63 protruding outward on the outer surface. The wall 63 has three brushes 64 fixed thereto, and the three brushes 64 are respectively connected to the resistor 4.
7 is in sliding contact with the resistance pattern 48 for detecting the idling position, the resistance pattern 51 for detecting the throttle valve position, and the resistance pattern 54 for detecting the rotation angle. A cover 65 is made of a synthetic resin such as polybutylene terephthalate mixed with glass fiber. The cover 65 closes the opening of the case 41 containing the resistor 47, the leaf spring 59 and the rotor 62, and has a substantially central portion. Is provided with a hole 66 through which a throttle shaft (not shown) on the other side is inserted.

Next, a method of assembling the rotary throttle position sensor according to Embodiment 2 of the present invention having the above-described configuration will be described.

First, an insulating substrate (not shown) prepared in advance
The resistance pattern 48 for detecting the idling position, the resistance pattern 51 for detecting the position of the throttle valve, the resistance pattern 54 for detecting the rotation angle, the first power supply electrode 49, the second power supply electrode 52, the third power supply electrode 55, the first After printing the GND electrode 50, the second power supply electrode 52, the third power supply electrode 55, the three output patterns 57, and the three output electrodes 58, the resistor 47 is formed by baking.

Next, the liquid thermosetting resin melted at a high temperature is cooled in a mold (not shown) to form the rotor 62, and the rotor 62 is formed on the side surfaces of the three wall portions 63. Then, the brush 64 is fixed.

Next, the connector terminals 43 are placed in a mold (not shown), and the liquid resin melted at a high temperature is cooled in the mold, and the connector terminals 43 are integrally formed in the connector section 42. A case 41 integrally formed so as to be held is formed.

Next, the resistor 47 is housed in the inner wall of the case 41 and the resistor 47 is pressed against the connector terminal 43 of the case 41 by a leaf spring 59.

Next, the rotor 62 is provided inside the case 41.
And three brushes 64 are arranged so as to be in sliding contact with the resistance pattern 48 for detecting the idling position, the resistance pattern 51 for detecting the throttle valve position, and the resistance pattern 54 for detecting the rotation angle of the resistor 47, respectively.

Finally, cover the opening of the case 1 with the cover 6
Close at 5. Next, the operation of the rotary throttle position sensor according to Embodiment 2 of the present invention configured as described above will be described.

The case 41 is fixed to a mating throttle body (not shown). Then, the rotor 62 is rotated by a person stepping on an accelerator of a motor vehicle (not shown) or freeing the accelerator, and the three brushes 64 attached to the rotor 62 are synchronized with the rotation by the resistor 47. The idling position detecting resistor pattern 48 of
By changing the position of the sliding contact with the throttle valve position detecting resistance pattern 51 and the rotation angle detecting resistance pattern 54, an output voltage corresponding to the sliding position can be obtained from each of the three output electrodes 58.

[0037]

As described above, the rotary throttle position sensor of the present invention has a bottomed cylindrical case having a connector portion provided so as to protrude outward from the outer surface, and one end of the first case.
An idling position detecting resistor pattern electrically connected to the power supply electrode of the first electrode and the other end electrically connected to the GND electrode; and one end electrically connected to the second power supply electrode and the other end electrically connected to the GND electrode. A throttle valve position detecting resistor pattern, the idling position detecting resistor pattern and the throttle valve position detecting resistor pattern, which are provided separately from each other, and the throttle valve position detecting resistor pattern and the idling position detecting resistor are provided separately from each other. A rotation angle detecting resistor pattern having an operation angle equal to the sum of the operation angle with the pattern and having one end electrically connected to the third power supply electrode and the other end electrically connected to the GND electrode; The position detection resistance pattern, the throttle valve position detection resistance pattern, and the rotation angle detection resistance pattern Three output patterns each of which detects an output voltage and one end of which is electrically connected to an output electrode; and a resistor disposed inside the case and rotatably housed inside the case. A rotor provided with three brushes which are slidably contacted with the resistance pattern for detecting the idling position, the resistance pattern for detecting the throttle valve position, and the resistance pattern for detecting the rotation angle of the resistor, and a cover for closing an opening of the case. According to this configuration, the idling position detection resistance pattern is provided, which has one end electrically connected to the first power supply electrode and the other end electrically connected to the GND electrode. Even when detecting an extremely small section such as an idling position with high accuracy, the idling position detection resistor pattern is arranged in a short section. Can I and become,
As a result, there is an excellent effect that a minute position can be detected with high accuracy by the idling position detecting resistor pattern.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a rotary throttle position sensor according to a first embodiment of the present invention.

FIG. 2 is a top view of a resistor in the rotary throttle position sensor.

FIGS. 3A and 3B are diagrams showing output characteristics of the same throttle position sensor; FIG.

FIG. 4 is an exploded perspective view of a rotary throttle position sensor according to Embodiment 2 of the present invention.

FIG. 5 is a top view of a resistor in the rotary throttle position sensor.

FIG. 6 is a top view showing a conventional rotary throttle position sensor with a cover removed.

FIG. 7 is a side sectional view of the rotary throttle position sensor.

FIG. 8 is a diagram showing output characteristics of the rotating throttle position sensor.

[Explanation of symbols]

 21, 41 Case 22, 42 Connector part 23, 43 Connector terminal 24, 47 Resistor 25, 48 Idling position detection resistance pattern 26, 49 First power supply electrode 27 GND electrode 29, 51 Throttle valve position detection resistance pattern 30 , 52 Second power electrode 31, 54 Rotation angle detecting resistance pattern 32, 55 Third power electrode 34, 58 Output electrode 35, 62 Rotor 36, 64 Brush 37, 65 Cover 50 First GND electrode 53 Second GND electrode 56 Third GND electrode

Claims (3)

[Claims] 1. A bottomed cylindrical case having a connector portion provided to protrude outward from an outer side surface, one end of which is electrically connected to a first power supply electrode and the other end of which is GND.
An idling position detection resistance pattern electrically connected to the electrode, a throttle valve position detection resistance pattern having one end electrically connected to the second power supply electrode and the other end electrically connected to the GND electrode; An idling position detecting resistor pattern and a throttle valve position detecting pattern, which are provided at a position different from that of the throttle valve position detecting resistor pattern, and having an operating angle corresponding to the sum of operating angles of the throttle valve position detecting resistor pattern and the idling position detecting resistive pattern; One end is electrically connected to the third power supply electrode and the other end is connected to G
A rotation angle detection resistance pattern electrically connected to the ND electrode, and output voltages of the idling position detection resistance pattern, the throttle valve position detection resistance pattern and the rotation angle detection resistance pattern are detected and one end is output. A resistor provided inside the case and provided with three output patterns electrically connected to the electrodes; and a resistor pattern rotatably housed inside the case and detecting an idling position of the resistor. A rotary throttle position sensor comprising: a rotor provided with three brushes slidingly contacting the throttle valve position detection resistance pattern and the rotation angle detection resistance pattern; and a cover closing an opening of the case. 2. The throttle valve position detecting resistor pattern according to claim 1, wherein the throttle valve position detecting resistor pattern is provided so as to be substantially parallel to the idling position detecting resistor pattern and to have a start end substantially at the same position as an end position of the idling position detecting resistor pattern. Rotary throttle position sensor. 3. A bottomed cylindrical case having a connector portion provided to protrude outward from an outer side surface, one end of which is electrically connected to a first power supply electrode and the other end of which is GND.
An idling position detecting resistor pattern electrically connected to the electrode, and an idling position detecting resistor pattern provided on a longitudinal extension of the idling position detecting resistor pattern, one end of which is electrically connected to the second power supply electrode and the other end of which is GND. A resistance pattern for detecting a throttle valve position electrically connected to the electrodes,
An operation corresponding to the sum of the operating angles of the throttle valve position detecting resistor pattern and the idling position detecting resistor pattern, which is provided on a longitudinal extension of the idling position detecting resistor pattern and the throttle valve position detecting resistor pattern. A rotation angle detection resistance pattern having an angle and having one end electrically connected to the third power supply electrode and the other end electrically connected to the GND electrode; the idling position detection resistance pattern; the throttle valve position detection; Three output patterns each of which detects an output voltage of the corresponding resistance pattern and the rotation angle detection resistance pattern and has one end electrically connected to the output electrode, and a resistor disposed inside the case; The resistor for detecting the idling position of the resistor is rotatably stored inside the case. Pattern, rotational throttle position sensor with each rotor having a three brush for sliding the resistance pattern and the rotation angle detecting resistor pattern throttle valve position detection, and a cover for closing the opening of the case.