IT7425009A1 - Valvola di commutazione per impianto di frenatura a due condotte per rimorchi presentante almeno un circuito - Google Patents

Valvola di commutazione per impianto di frenatura a due condotte per rimorchi presentante almeno un circuito

Info

Publication number
IT7425009A1
IT7425009A1 ITMI1974A25009A IT2500974A IT7425009A1 IT 7425009 A1 IT7425009 A1 IT 7425009A1 IT MI1974A25009 A ITMI1974A25009 A IT MI1974A25009A IT 2500974 A IT2500974 A IT 2500974A IT 7425009 A1 IT7425009 A1 IT 7425009A1
Authority
IT
Italy
Prior art keywords
trailers
circuit
switching valve
braking system
line braking
Prior art date
Application number
ITMI1974A25009A
Other languages
English (en)
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 IT7425009A1 publication Critical patent/IT7425009A1/it

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
    • B60T15/18—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
    • B60T15/20—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 two fluid pressures
    • B60T15/22—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 two fluid pressures with one or more auxiliary valves, for braking, releasing, filling reservoirs

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
ITMI1974A25009A 1973-08-23 1974-07-11 Valvola di commutazione per impianto di frenatura a due condotte per rimorchi presentante almeno un circuito IT7425009A1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19737330765U DE7330765U (de) 1973-08-23 1973-08-23 Umschaltventil fuer mindestens einen kreis aufweisende zweileitungs-bremsanlagen von anhaengerfahrzeugen

Publications (1)

Publication Number Publication Date
IT7425009A1 true IT7425009A1 (it) 1976-01-11

Family

ID=6640280

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI1974A25009A IT7425009A1 (it) 1973-08-23 1974-07-11 Valvola di commutazione per impianto di frenatura a due condotte per rimorchi presentante almeno un circuito

Country Status (5)

Country Link
US (1) US3941432A (it)
AT (1) AT334764B (it)
DE (1) DE7330765U (it)
FR (1) FR2241434B3 (it)
IT (1) IT7425009A1 (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679865A (en) * 1985-04-13 1987-07-14 Wabco Westinghouse Fahrzeugbremsen Gmbh Relay valve device
DE3741790A1 (de) * 1987-12-10 1989-06-22 Wabco Westinghouse Fahrzeug Relaisventileinrichtung
US5678900A (en) * 1995-12-19 1997-10-21 Grau Gmbh Unloader for a source of air under pressure on vehicles
US10029666B2 (en) * 2015-03-19 2018-07-24 Westinghouse Air Brake Technologies Corporation Hot wheel protection valve
US10059320B2 (en) 2017-01-25 2018-08-28 Westinghouse Air Brake Technologies Corporation Automatic retainer valve

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3228730A (en) * 1964-01-13 1966-01-11 Bendix Westinghouse Automotive Tractor-trailer braking system
US3304131A (en) * 1964-08-27 1967-02-14 Wagner Electric Corp Protector valve for a trailer brake system
US3695731A (en) * 1968-02-01 1972-10-03 Michael John England Vehicle braking system
DE2012204C3 (de) * 1970-03-14 1979-11-22 Graubremse Gmbh, 6900 Heidelberg Zweikreisig ansteuerbares Anhängersteuerventil
US3820854A (en) * 1971-04-27 1974-06-28 Wagner Electric Corp Control valve and system

Also Published As

Publication number Publication date
US3941432A (en) 1976-03-02
AT334764B (de) 1976-02-10
ATA494274A (de) 1976-05-15
FR2241434B3 (it) 1977-05-06
FR2241434A1 (it) 1975-03-21
DE7330765U (de) 1974-01-03

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