JPS5576709A - Automatic control device for automotive stepless transmission - Google Patents

Automatic control device for automotive stepless transmission

Info

Publication number
JPS5576709A
JPS5576709A JP14768478A JP14768478A JPS5576709A JP S5576709 A JPS5576709 A JP S5576709A JP 14768478 A JP14768478 A JP 14768478A JP 14768478 A JP14768478 A JP 14768478A JP S5576709 A JPS5576709 A JP S5576709A
Authority
JP
Japan
Prior art keywords
circuit
transistor
throttle valve
transmission
automotive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP14768478A
Other languages
Japanese (ja)
Other versions
JPS5743782B2 (en
Inventor
Torao Hattori
Eiichi Douon
Noriyuki Takahashi
Nobuyoshi Yoshikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP14768478A priority Critical patent/JPS5576709A/en
Publication of JPS5576709A publication Critical patent/JPS5576709A/en
Publication of JPS5743782B2 publication Critical patent/JPS5743782B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Fluid Gearings (AREA)

Abstract

PURPOSE: To steplessly exactly control an automotive transmission by providing a variable amplification degree amplifier circuit for producing an output voltage determined by an engine speed and a throttle valve opening, a gear shifting motor drive circuit, a feedback circuit and a differential circuit, etc. in the transmission.
CONSTITUTION: The resistor 32 of a variable amplification degree amplifier circuit E2 increases its resistance in response to the increase in the opening of a throttle valve V. When a voltage e1 responsive to the throttle valve opening and vehicle speed is therefore generated from the circuit E2, it is applied to the base of first transistor 36 in a differential circuit E3 and simultaneously charged in a capacitor 43. On the other hand, a voltage e2 generated in a feedback circuit E5 is increased upon turning of a motor operated lever at its top position and applied to the base of second transistor 37. Accordingly, when e1>e2, the transistor 40 is conducted to cause the motor to be rotated normally to thereby shift the gear shifting member to the top position so as to thus reduce the rransmission ratio of the transmission. When e1<e2, this configuration is operated inversely to the above operation.
COPYRIGHT: (C)1980,JPO&Japio
JP14768478A 1978-11-29 1978-11-29 Automatic control device for automotive stepless transmission Granted JPS5576709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14768478A JPS5576709A (en) 1978-11-29 1978-11-29 Automatic control device for automotive stepless transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14768478A JPS5576709A (en) 1978-11-29 1978-11-29 Automatic control device for automotive stepless transmission

Publications (2)

Publication Number Publication Date
JPS5576709A true JPS5576709A (en) 1980-06-10
JPS5743782B2 JPS5743782B2 (en) 1982-09-17

Family

ID=15435937

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14768478A Granted JPS5576709A (en) 1978-11-29 1978-11-29 Automatic control device for automotive stepless transmission

Country Status (1)

Country Link
JP (1) JPS5576709A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3439881A1 (en) * 1983-10-31 1985-05-23 Mazda Motor Corp., Hiroshima CONTINUOUSLY VARIABLE VEHICLE TRANSMISSION WITH CONTROL OF THE TRANSLATION RATIO

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3439881A1 (en) * 1983-10-31 1985-05-23 Mazda Motor Corp., Hiroshima CONTINUOUSLY VARIABLE VEHICLE TRANSMISSION WITH CONTROL OF THE TRANSLATION RATIO
US4671138A (en) * 1983-10-31 1987-06-09 Mazda Motor Corporation Speed ratio control of a steplessly variable vehicle transmission
DE3439881C2 (en) * 1983-10-31 1998-03-12 Mazda Motor Transmission control device for continuously variable motor vehicle transmissions

Also Published As

Publication number Publication date
JPS5743782B2 (en) 1982-09-17

Similar Documents

Publication Publication Date Title
US4226295A (en) Gear shift system and method with optional gas pedal controlled shaft initiation
JPS57121713A (en) Constant speed running device for vehicle
EP0038113A2 (en) Clutch control apparatus
JPS5536140A (en) Gear-shift controlling apparatus of automatic transmission
JPS55160132A (en) Revolution controller of internal combustion engine
ES479295A1 (en) Pedal control for an infinitely variable gearing of a vehicle.
KR930000314A (en) Engine control unit with automatic transmission
JPS6115300B2 (en)
US3460406A (en) Automatic change speed gear arrangement for motor vehicles
KR860001449B1 (en) Automatic control method of transmission
US4494639A (en) Electro-magnetic clutch control system for automobiles
US4550816A (en) System for controlling stall speed for an electromagnetic clutch
JPS5576709A (en) Automatic control device for automotive stepless transmission
EP0435558A3 (en) Hydraulic control apparatus for continuously variable transmission, having shift control valve whose gain is changed with vehicle speed
GB2088007A (en) Clutch Control Apparatus
JPS5514312A (en) Stepless speed variation automatic controller for vehicle
US4716999A (en) System for controlling a lock-up system of an automatic transmission for a motor vehicle
JPS55112453A (en) Speed-change controlling device for automatic speed-changing device
GB1422392A (en) Circuit arrang3ment for providing gearchange signals for an automatic gear box
US2837932A (en) Automotive sub-atmospheric pressure-actuated overdrive control and indicator system
GB2083587A (en) Controlling an electro-magnetic clutch
IT1240179B (en) GEAR SELECTION DEVICE FOR A VEHICLE TRANSMISSION GROUP
JPS5713242A (en) Fuel injection controller
US4117747A (en) Electronic control system for automatic gearboxes
KR920011807A (en) Transmission control device of automatic transmission