FR2399343A1 - TWO-CIRCUIT CONTROL VALVE FOR VEHICLE BRAKE - Google Patents

TWO-CIRCUIT CONTROL VALVE FOR VEHICLE BRAKE

Info

Publication number
FR2399343A1
FR2399343A1 FR7823016A FR7823016A FR2399343A1 FR 2399343 A1 FR2399343 A1 FR 2399343A1 FR 7823016 A FR7823016 A FR 7823016A FR 7823016 A FR7823016 A FR 7823016A FR 2399343 A1 FR2399343 A1 FR 2399343A1
Authority
FR
France
Prior art keywords
control valve
circuit control
vehicle brake
balancing piston
circuits
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
FR7823016A
Other languages
French (fr)
Other versions
FR2399343B1 (en
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2399343A1 publication Critical patent/FR2399343A1/en
Application granted granted Critical
Publication of FR2399343B1 publication Critical patent/FR2399343B1/en
Expired legal-status Critical Current

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
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/04—Driver's valves
    • B60T15/043—Driver's valves controlling service pressure brakes
    • B60T15/045—Driver's valves controlling service pressure brakes in multiple circuit systems, e.g. dual circuit systems
    • B60T15/046—Driver's valves controlling service pressure brakes in multiple circuit systems, e.g. dual circuit systems with valves mounted in tandem

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

Ce robinet comprend un piston d'équilibrage 17 situé entre les deux chambres à pression variable 16, 23 des deux circuits de frein I, II et portant les sièges 18, 22 de soupape d'échappement de deux valves 19, 28 prévues l'une derrière l'autre dans le corps de robinet 1. Le piston d'équilibrage assure que les variations de pression se déroulent uniformément et simultanément dans les deux circuits I et II. Le robinet est en outre très compact. L'invention est applicable en particulier aux freins à air comprimé.This valve comprises a balancing piston 17 located between the two variable pressure chambers 16, 23 of the two brake circuits I, II and carrying the exhaust valve seats 18, 22 of two valves 19, 28 provided one behind the other in the valve body 1. The balancing piston ensures that the pressure variations occur uniformly and simultaneously in both circuits I and II. The tap is also very compact. The invention is particularly applicable to compressed air brakes.

FR7823016A 1977-08-03 1978-08-03 TWO-CIRCUIT CONTROL VALVE FOR VEHICLE BRAKE Expired FR2399343B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19777724137 DE7724137U1 (en) 1977-08-03 1977-08-03 TWO-CIRCUIT CONTROL VALVE

Publications (2)

Publication Number Publication Date
FR2399343A1 true FR2399343A1 (en) 1979-03-02
FR2399343B1 FR2399343B1 (en) 1986-05-23

Family

ID=6681332

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7823016A Expired FR2399343B1 (en) 1977-08-03 1978-08-03 TWO-CIRCUIT CONTROL VALVE FOR VEHICLE BRAKE

Country Status (5)

Country Link
BR (1) BR7804943A (en)
DE (1) DE7724137U1 (en)
FR (1) FR2399343B1 (en)
GB (1) GB1599613A (en)
IT (1) IT7822463V0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2121496B (en) * 1982-05-28 1985-06-26 Lucas Ind Plc Improvements in dual brake valves
GB8619490D0 (en) * 1986-08-09 1986-09-17 Bendix Ltd Fluid pressure control valves

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1010942A (en) * 1961-06-26 1965-11-24 Dewandre Co Ltd C Improvements in or relating to fluid pressure-operated braking apparatus
DE2525490A1 (en) * 1974-06-13 1976-01-02 Dewandre Co Ltd C DUAL CIRCUIT BRAKE VALVE
FR2383341A1 (en) * 1977-03-09 1978-10-06 Bosch Gmbh Robert TWO-CIRCUIT CONTROL VALVE, ESPECIALLY FOR MOTOR VEHICLE BRAKES
FR2403251A1 (en) * 1977-09-17 1979-04-13 Bosch Gmbh Robert CONTROL VALVE, ESPECIALLY FOR MOTOR VEHICLE BRAKE SYSTEMS

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1010942A (en) * 1961-06-26 1965-11-24 Dewandre Co Ltd C Improvements in or relating to fluid pressure-operated braking apparatus
DE2525490A1 (en) * 1974-06-13 1976-01-02 Dewandre Co Ltd C DUAL CIRCUIT BRAKE VALVE
FR2383341A1 (en) * 1977-03-09 1978-10-06 Bosch Gmbh Robert TWO-CIRCUIT CONTROL VALVE, ESPECIALLY FOR MOTOR VEHICLE BRAKES
FR2403251A1 (en) * 1977-09-17 1979-04-13 Bosch Gmbh Robert CONTROL VALVE, ESPECIALLY FOR MOTOR VEHICLE BRAKE SYSTEMS

Also Published As

Publication number Publication date
IT7822463V0 (en) 1978-07-28
FR2399343B1 (en) 1986-05-23
GB1599613A (en) 1981-10-07
DE7724137U1 (en) 1979-02-01
BR7804943A (en) 1979-03-06

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse