GB2056605B - Dual-line trailer brake valve assembly with load-dependent operation - Google Patents

Dual-line trailer brake valve assembly with load-dependent operation

Info

Publication number
GB2056605B
GB2056605B GB8025074A GB8025074A GB2056605B GB 2056605 B GB2056605 B GB 2056605B GB 8025074 A GB8025074 A GB 8025074A GB 8025074 A GB8025074 A GB 8025074A GB 2056605 B GB2056605 B GB 2056605B
Authority
GB
United Kingdom
Prior art keywords
dual
load
valve assembly
brake valve
trailer brake
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.)
Expired
Application number
GB8025074A
Other versions
GB2056605A (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.)
Graubremse GmbH
Original Assignee
Graubremse 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
Priority claimed from DE19792931365 external-priority patent/DE2931365C2/en
Priority claimed from DE19803006800 external-priority patent/DE3006800C2/en
Application filed by Graubremse GmbH filed Critical Graubremse GmbH
Publication of GB2056605A publication Critical patent/GB2056605A/en
Application granted granted Critical
Publication of GB2056605B publication Critical patent/GB2056605B/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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/18—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution
    • B60T8/1812—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution characterised by the means for pressure reduction
    • B60T8/1818—Lever mechanism
    • 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
    • B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
GB8025074A 1979-08-02 1980-07-31 Dual-line trailer brake valve assembly with load-dependent operation Expired GB2056605B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792931365 DE2931365C2 (en) 1979-08-02 1979-08-02 Load-dependent dual-line trailer emergency valve
DE19803006800 DE3006800C2 (en) 1980-02-23 1980-02-23 Load-dependent dual-line trailer emergency valve

Publications (2)

Publication Number Publication Date
GB2056605A GB2056605A (en) 1981-03-18
GB2056605B true GB2056605B (en) 1983-10-19

Family

ID=25780313

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8025074A Expired GB2056605B (en) 1979-08-02 1980-07-31 Dual-line trailer brake valve assembly with load-dependent operation

Country Status (3)

Country Link
FR (1) FR2462315B1 (en)
GB (1) GB2056605B (en)
IT (1) IT1132290B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1182587B (en) * 1985-10-02 1987-10-05 Magneti Marelli Spa SERVOAUTOMODULATOR OF BRAKING FOR TRAILED VEHICLES EQUIPPED WITH A PNEUMATIC BRAKING SYSTEM
CN103085802B (en) * 2013-01-25 2014-11-05 瑞立集团瑞安汽车零部件有限公司 Trailer control valve
CN114802159B (en) * 2022-05-13 2023-07-14 中车齐齐哈尔车辆有限公司 Emergency valve

Also Published As

Publication number Publication date
FR2462315B1 (en) 1985-10-04
IT1132290B (en) 1986-07-02
GB2056605A (en) 1981-03-18
IT8023881A0 (en) 1980-08-01
FR2462315A1 (en) 1981-02-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930731