FR2262244A1 - Safety air brake changeover cylinder - prevents contamination of air system by hydraulic oil - Google Patents

Safety air brake changeover cylinder - prevents contamination of air system by hydraulic oil

Info

Publication number
FR2262244A1
FR2262244A1 FR7501338A FR7501338A FR2262244A1 FR 2262244 A1 FR2262244 A1 FR 2262244A1 FR 7501338 A FR7501338 A FR 7501338A FR 7501338 A FR7501338 A FR 7501338A FR 2262244 A1 FR2262244 A1 FR 2262244A1
Authority
FR
France
Prior art keywords
passage
oil
air
spring
piston
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.)
Withdrawn
Application number
FR7501338A
Other languages
English (en)
French (fr)
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of FR2262244A1 publication Critical patent/FR2262244A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/58—Combined or convertible systems
    • B60T13/581—Combined or convertible systems both hydraulic and pneumatic

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Multiple-Way Valves (AREA)
  • Braking Systems And Boosters (AREA)
FR7501338A 1974-02-25 1975-01-16 Safety air brake changeover cylinder - prevents contamination of air system by hydraulic oil Withdrawn FR2262244A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44506474A 1974-02-25 1974-02-25

Publications (1)

Publication Number Publication Date
FR2262244A1 true FR2262244A1 (en) 1975-09-19

Family

ID=23767469

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7501338A Withdrawn FR2262244A1 (en) 1974-02-25 1975-01-16 Safety air brake changeover cylinder - prevents contamination of air system by hydraulic oil

Country Status (3)

Country Link
JP (1) JPS50115327A (ja)
CA (1) CA1006416A (ja)
FR (1) FR2262244A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401811A1 (fr) * 1977-09-01 1979-03-30 Automotive Prod Co Ltd Mecanisme distributeur de commande de frein
FR2499489A1 (fr) * 1981-02-11 1982-08-13 Rogat Ets Valve pour le retour rapide du fluide a une bache dans une installation hydraulique
EP0684401A1 (en) * 1994-05-20 1995-11-29 CLARK-HURTH COMPONENTS S.p.A. Sealed non-lubricated single-disk brake, particularly for axles of industrial and farming motor vehicles and the like

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4200505B2 (ja) 2006-10-20 2008-12-24 いすゞ自動車株式会社 キャブの下部構造

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401811A1 (fr) * 1977-09-01 1979-03-30 Automotive Prod Co Ltd Mecanisme distributeur de commande de frein
FR2499489A1 (fr) * 1981-02-11 1982-08-13 Rogat Ets Valve pour le retour rapide du fluide a une bache dans une installation hydraulique
EP0684401A1 (en) * 1994-05-20 1995-11-29 CLARK-HURTH COMPONENTS S.p.A. Sealed non-lubricated single-disk brake, particularly for axles of industrial and farming motor vehicles and the like

Also Published As

Publication number Publication date
CA1006416A (en) 1977-03-08
JPS50115327A (ja) 1975-09-09

Similar Documents

Publication Publication Date Title
US4550899A (en) Pneumatic spring
US3156097A (en) Hydraulic master cylinder
GB1373196A (en) Tandem spring and service brake actuator
US3088285A (en) Device for varying hydraulic pressure
GB1390531A (en) Brake actuator units
US2884903A (en) Cushioned piston assemblage for cylinders
GB1532446A (en) Method and arrangement for filling a pressure chamber in particular a hydropneumatic reservoir
GB1038873A (en) Fluid pressure control system and valve therefor
FR2262244A1 (en) Safety air brake changeover cylinder - prevents contamination of air system by hydraulic oil
GB1499014A (en) Pneumatically controlled hydraulically actuated brake apparatus
GB1514755A (en) Pressure-fluid actuator for the brakes of a road vehicle with service emergency and parking braking actions
GB1379501A (en) Spring-loaded braking devices for motor vehicles
GB2037917A (en) Master Cylinder for a Hydraulic Brake System
US3981147A (en) Master cylinder assembly
US3685870A (en) Spring brake control valve
US2974493A (en) Displacement saver
GB564608A (en) Improvements in or relating to master cylinder units for liquid pressure controllingsystems
GB1010003A (en) Sealing means for pistons slidably mounted in cylinders of hydraulic mechanisms
US2586196A (en) Relay emergency air brake valve
GB1506290A (en) Control valve for a pneumatic braking system for trailer vehicles
FR2307146A1 (fr) Compresseur pour systeme pneumatique, notamment pour le freinage de vehicules
FR2232470A1 (en) Vehicle dual braking system - with fail safe design to transfer braking to one circuit when other fails
GB1480808A (en) Valve arrangement for controlling a pressure medium operated brake system
GB1410407A (en) Anti-skid device for pressure operated brakes
GB998753A (en) Piston cushion for fluid operated cylinder

Legal Events

Date Code Title Description
ST Notification of lapse