WO2004109144A1 - Zylinderhub-erfassungsvorrichtung für druckluftscheibenbremsen - Google Patents
Zylinderhub-erfassungsvorrichtung für druckluftscheibenbremsen Download PDFInfo
- Publication number
- WO2004109144A1 WO2004109144A1 PCT/EP2004/003033 EP2004003033W WO2004109144A1 WO 2004109144 A1 WO2004109144 A1 WO 2004109144A1 EP 2004003033 W EP2004003033 W EP 2004003033W WO 2004109144 A1 WO2004109144 A1 WO 2004109144A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor
- detection device
- cylinder
- cylinder stroke
- stroke
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D2066/003—Position, angle or speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D2066/006—Arrangements for monitoring working conditions, e.g. wear, temperature without direct measurement of the quantity monitored, e.g. wear or temperature calculated form force and duration of braking
Definitions
- the invention relates to a cylinder stroke detection device for compressed air disc brakes and generally relates to a detection device for the cylinder stroke in all brakes in which the cylinder is screwed directly onto the brake.
- the object of the present invention is to provide a cylinder stroke detection device which can be used as a separate device in service and in a motor vehicle for simple and quick brake function testing.
- a cylinder stroke detection device for air disc brakes, with a sensor for detecting the cylinder stroke, a current source that supplies the sensor, an actuating device connected between the sensor and the current source, with which the sensor can be switched on, and one connected to the sensor Function display that shows the correct or faulty state of the brake.
- the detection device With the detection device according to the invention, a separate device or an addition to a device already installed in the motor vehicle can thus be specified.
- the sensor After actuation of the actuating device, the sensor can be supplied with current and thereby become ready for operation. If the cylinder stroke is in the normal working range, the sensor does not respond and the correct function is shown on the function display. If, on the other hand, the stroke is too large and leaves the functional area, the sensor responds and causes the faulty status to be shown in the function display.
- the components with the exception of the sensor, are accommodated in a housing.
- the sensor is preferably connected to the housing by a cable. This means that the sensor can be operated as an external sensor and can also be conveniently positioned in inaccessible places on the brake.
- the sensor is preferably a pressure sensor. This embodiment is preferred if a pressure change occurs during the stroke.
- the senor works with ultrasound. This embodiment is preferred if the change in stroke at an air vent hole of the cylinder can be detected with ultrasound.
- the sensor is preferably adapted such that it can be attached to a ventilation hole in the cylinder.
- An arrangement next to the vent hole, on the vent hole or even in the vent hole can be considered.
- a continuous display is preferably provided which is connected to the sensor and continuously measures the stroke of the cylinder. This additional display allows continuous visual control of the stroke and, in addition to the function display, represents another function desired in service.
- FIG. 1 schematically shows an embodiment of the cylinder stroke detection device according to the invention.
- the cylinder stroke detection device shown in FIG. 1 is used to detect a cylinder stroke, an actuating cylinder, which is screwed or attached to a compressed air disc brake.
- the detection device has a sensor 2 which is attached to a vent hole (not shown) of an actuating cylinder (not shown).
- the sensor works as a pressure sensor or as an ultrasonic sensor.
- the sensor is connected via a cable 10 to a housing 8 in which the essential components of the detection device are accommodated.
- a current source in the form of a battery is provided in the housing 8, which is connected to the cable 10 and supplies the sensor with its operating voltage.
- a return line is provided in the cable, which has a function display 6 in Form of a red LED and a green LED is connected.
- the cylinder piston only moves up to a position in front of the ventilation holes.
- the sensor causes the green LED on the housing to light up.
- the stroke is greater than the axial position of the vent holes, the piston closes the hole and the sensor causes the red LED to light up.
- an actuating device 4 in the form of an operating button is provided between the cable 10 and the power source (not shown), which is used to apply voltage to the sensor. The function key is pressed for more than five seconds to make the sensor ready for operation.
- a continuous display 12 in the form of a switchable LED segment display or alternatively a pointer / scale display is provided in the housing, which is also connected to the cable 10 and indicates the stroke in millimeters.
- the sensor must be designed as a continuous sensor that continuously records the stroke.
- an electronic processing device is provided in the housing, which is connected to the cable 10, the function display 6 and the continuous display 12 and the actuating device 4 and an evaluation of the signals coming from the sensor for the purpose of displaying the function display 6 and the continuous display Display 12 delivers.
- the detection device according to the invention for the stroke is characterized by the greatest possible flexibility. It can be operated in the service area of a workshop and, after manual attachment of the sensor, provides an immediate operating display of the brake function. Alternatively, it can be installed in the motor vehicle and integrated with existing brake monitoring devices. For example, it can be combined with a "brake alert", the sensor being connected to existing display devices.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Arrangements (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04719455A EP1629216A1 (de) | 2003-06-05 | 2004-03-11 | Zylinderhub-erfassungsvorrichtung für druckluftscheibenbrems en |
| JP2006508141A JP2006526531A (ja) | 2003-06-05 | 2004-03-11 | 圧縮空気ディスクブレーキ用シリンダストローク検出装置 |
| US10/559,565 US20080202228A1 (en) | 2003-06-05 | 2004-03-11 | Cylinder Lift Detection Device for Compressed Air Disc Brakes |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10325596A DE10325596A1 (de) | 2003-06-05 | 2003-06-05 | Zylinderhub-Erfassungsvorrichtung für Druckluftscheibenbremsen |
| DE10325596.6 | 2003-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004109144A1 true WO2004109144A1 (de) | 2004-12-16 |
Family
ID=33494858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2004/003033 Ceased WO2004109144A1 (de) | 2003-06-05 | 2004-03-11 | Zylinderhub-erfassungsvorrichtung für druckluftscheibenbremsen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20080202228A1 (de) |
| EP (1) | EP1629216A1 (de) |
| JP (1) | JP2006526531A (de) |
| DE (1) | DE10325596A1 (de) |
| WO (1) | WO2004109144A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016117593A1 (de) | 2016-09-19 | 2018-03-22 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Pneumatische Scheibenbremse |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58131438A (ja) * | 1982-01-29 | 1983-08-05 | Hino Motors Ltd | ブレ−キライニングの摩耗量検出装置 |
| US5433296A (en) * | 1994-06-14 | 1995-07-18 | Brake Monitoring Systems, Inc. | Brake monitoring and warning system |
| US5753807A (en) * | 1995-11-17 | 1998-05-19 | Trueman; Wayne | Brake adjustment indicator system |
| US5825287A (en) * | 1995-02-02 | 1998-10-20 | Indian Head Industries | Vehicle brake monitoring system |
| JPH11153665A (ja) * | 1997-11-21 | 1999-06-08 | Sony Corp | 超音波センサ |
| US6215394B1 (en) * | 1997-08-05 | 2001-04-10 | Brakeminder Canada Inc. | Air brake stroke adjustment monitoring apparatus and method |
| EP1233202A2 (de) * | 2001-02-19 | 2002-08-21 | Meritor Heavy Vehicle Systems, LLC | Bremsnachsteller |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2835406A1 (de) * | 1978-08-12 | 1980-02-21 | Bosch Gmbh Robert | Membran-arbeitszylinder |
| DE3300446A1 (de) * | 1983-01-08 | 1984-07-12 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur pruefung des betriebszustands von bremsen |
| DE3348387C2 (en) * | 1983-01-08 | 1993-01-28 | Robert Bosch Gmbh, 7000 Stuttgart, De | Vehicle brakes testing system |
-
2003
- 2003-06-05 DE DE10325596A patent/DE10325596A1/de not_active Ceased
-
2004
- 2004-03-11 JP JP2006508141A patent/JP2006526531A/ja active Pending
- 2004-03-11 US US10/559,565 patent/US20080202228A1/en not_active Abandoned
- 2004-03-11 WO PCT/EP2004/003033 patent/WO2004109144A1/de not_active Ceased
- 2004-03-11 EP EP04719455A patent/EP1629216A1/de not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58131438A (ja) * | 1982-01-29 | 1983-08-05 | Hino Motors Ltd | ブレ−キライニングの摩耗量検出装置 |
| US5433296A (en) * | 1994-06-14 | 1995-07-18 | Brake Monitoring Systems, Inc. | Brake monitoring and warning system |
| US5825287A (en) * | 1995-02-02 | 1998-10-20 | Indian Head Industries | Vehicle brake monitoring system |
| US5753807A (en) * | 1995-11-17 | 1998-05-19 | Trueman; Wayne | Brake adjustment indicator system |
| US6215394B1 (en) * | 1997-08-05 | 2001-04-10 | Brakeminder Canada Inc. | Air brake stroke adjustment monitoring apparatus and method |
| JPH11153665A (ja) * | 1997-11-21 | 1999-06-08 | Sony Corp | 超音波センサ |
| EP1233202A2 (de) * | 2001-02-19 | 2002-08-21 | Meritor Heavy Vehicle Systems, LLC | Bremsnachsteller |
Non-Patent Citations (2)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 0072, no. 44 (M - 252) 28 October 1983 (1983-10-28) * |
| PATENT ABSTRACTS OF JAPAN vol. 1999, no. 11 30 September 1999 (1999-09-30) * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10325596A1 (de) | 2005-01-05 |
| US20080202228A1 (en) | 2008-08-28 |
| JP2006526531A (ja) | 2006-11-24 |
| EP1629216A1 (de) | 2006-03-01 |
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