GB2079882B - Relay valves for trailer brakes - Google Patents

Relay valves for trailer brakes

Info

Publication number
GB2079882B
GB2079882B GB8119033A GB8119033A GB2079882B GB 2079882 B GB2079882 B GB 2079882B GB 8119033 A GB8119033 A GB 8119033A GB 8119033 A GB8119033 A GB 8119033A GB 2079882 B GB2079882 B GB 2079882B
Authority
GB
United Kingdom
Prior art keywords
trailer brakes
relay valves
relay
valves
trailer
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
GB8119033A
Other versions
GB2079882A (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
Application filed by Graubremse GmbH filed Critical Graubremse GmbH
Publication of GB2079882A publication Critical patent/GB2079882A/en
Application granted granted Critical
Publication of GB2079882B publication Critical patent/GB2079882B/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
    • B60T15/24—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 controlled by three fluid pressures

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Braking Systems And Boosters (AREA)
GB8119033A 1980-07-10 1981-06-19 Relay valves for trailer brakes Expired GB2079882B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3026154A DE3026154C2 (en) 1980-07-10 1980-07-10 Dual line trailer emergency valve

Publications (2)

Publication Number Publication Date
GB2079882A GB2079882A (en) 1982-01-27
GB2079882B true GB2079882B (en) 1985-01-03

Family

ID=6106878

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8119033A Expired GB2079882B (en) 1980-07-10 1981-06-19 Relay valves for trailer brakes

Country Status (6)

Country Link
DE (1) DE3026154C2 (en)
ES (1) ES8206311A1 (en)
FR (1) FR2486478A1 (en)
GB (1) GB2079882B (en)
IT (1) IT1138029B (en)
YU (1) YU41252B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3713138C2 (en) * 1987-04-16 2000-04-27 Knorr Bremse Systeme Trailer brake valve for commercial vehicles
DE102016102278A1 (en) * 2016-02-10 2017-08-10 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Relay valve device of a pneumatic or electro-pneumatic motor vehicle brake device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE932291C (en) * 1944-08-18 1955-08-29 Graubremse Gmbh Control valve for air brakes of vehicle trailers
DE835846C (en) * 1951-02-24 1952-04-07 Westinghouse Bremsen Ges M B H Three-pressure control valve for the compressed air brake of load trailers
FR1401647A (en) * 1963-06-15 1965-06-04 Lancia & Co Fabrica Automobili Pneumatic braking installation for motor trains composed of a motor and a trailer, of the type in which the installation of the motor is connected to the installation of the trailer by means of two pipes, respectively for the adjustable control and for automatic control
DE1555608C3 (en) * 1966-10-10 1975-07-03 Graubremse Gmbh, 6900 Heidelberg Dual-circuit dual-line braking system for trailers
GB1364818A (en) * 1973-02-13 1974-08-29 Scovill Manufacturing Co Relay valve assembly
ES425037A1 (en) * 1973-04-07 1976-06-01 Graubremse Gmbh Valve for tow braking for braking systems. (Machine-translation by Google Translate, not legally binding)
DE2342542C2 (en) * 1973-08-23 1975-08-28 Graubremse Gmbh, 6900 Heidelberg Two-line two-circuit trailer emergency valve

Also Published As

Publication number Publication date
IT8122847A0 (en) 1981-07-09
FR2486478A1 (en) 1982-01-15
DE3026154A1 (en) 1982-02-04
GB2079882A (en) 1982-01-27
IT1138029B (en) 1986-09-10
YU166481A (en) 1983-12-31
FR2486478B1 (en) 1984-06-01
ES504331A0 (en) 1982-08-16
ES8206311A1 (en) 1982-08-16
DE3026154C2 (en) 1982-09-23
YU41252B (en) 1986-12-31

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Legal Events

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

Effective date: 19930619