CA1007953A - Variable proportioning relay valve - Google Patents

Variable proportioning relay valve

Info

Publication number
CA1007953A
CA1007953A CA207,149A CA207149A CA1007953A CA 1007953 A CA1007953 A CA 1007953A CA 207149 A CA207149 A CA 207149A CA 1007953 A CA1007953 A CA 1007953A
Authority
CA
Canada
Prior art keywords
relay valve
variable proportioning
proportioning relay
variable
valve
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
CA207,149A
Other languages
English (en)
Other versions
CA207149S (en
Inventor
Thomas H. Engle
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.)
SPX Technologies Inc
Original Assignee
General Signal Corp
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 General Signal Corp filed Critical General Signal Corp
Application granted granted Critical
Publication of CA1007953A publication Critical patent/CA1007953A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Pressure (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
CA207,149A 1973-11-09 1974-08-15 Variable proportioning relay valve Expired CA1007953A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US414479A US3881784A (en) 1973-11-09 1973-11-09 Variable proportioning relay valve

Publications (1)

Publication Number Publication Date
CA1007953A true CA1007953A (en) 1977-04-05

Family

ID=23641625

Family Applications (1)

Application Number Title Priority Date Filing Date
CA207,149A Expired CA1007953A (en) 1973-11-09 1974-08-15 Variable proportioning relay valve

Country Status (7)

Country Link
US (1) US3881784A (enExample)
CA (1) CA1007953A (enExample)
DE (1) DE2452362C3 (enExample)
FR (1) FR2250945B1 (enExample)
GB (1) GB1447809A (enExample)
IT (1) IT1023905B (enExample)
ZA (1) ZA746573B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1541218A (en) * 1975-06-03 1979-02-28 Bendix Westinghouse Ltd Load dependent control arrangements
GB1574709A (en) * 1976-02-11 1980-09-10 Girling Ltd Control valve assemblies
US4243273A (en) * 1979-06-19 1981-01-06 American Standard Inc. Adjustable variable load valve device
US4421360A (en) * 1981-01-14 1983-12-20 General Signal Corporation Relay valve assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1842497A (en) * 1928-11-03 1932-01-26 Westinghouse Air Brake Co Variable load brake
US2418013A (en) * 1944-07-26 1947-03-25 Westinghouse Air Brake Co Variable load brake
US2940796A (en) * 1957-07-08 1960-06-14 Westinghouse Bremsen Gmbh Load-responsive brake control apparatus
US3369846A (en) * 1966-05-25 1968-02-20 Westinghouse Air Brake Co Variable load brake control apparatus
DE1279710B (de) * 1966-09-16 1968-10-10 Knorr Bremse Gmbh Lastabhaengige Druckluftbremse fuer Schienenfahrzeuge
US3597013A (en) * 1969-04-03 1971-08-03 Westinghouse Air Brake Co Variable-load brake control apparatus
US3730597A (en) * 1971-07-16 1973-05-01 Gen Signal Corp Variable load brake control apparatus

Also Published As

Publication number Publication date
DE2452362C3 (de) 1979-07-12
DE2452362A1 (de) 1975-05-22
FR2250945B1 (enExample) 1978-08-11
DE2452362B2 (de) 1978-11-16
US3881784A (en) 1975-05-06
IT1023905B (it) 1978-05-30
FR2250945A1 (enExample) 1975-06-06
ZA746573B (en) 1975-03-26
GB1447809A (en) 1976-09-02

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