CA1021665A - Air pressure modulated brake valve - Google Patents

Air pressure modulated brake valve

Info

Publication number
CA1021665A
CA1021665A CA235,980A CA235980A CA1021665A CA 1021665 A CA1021665 A CA 1021665A CA 235980 A CA235980 A CA 235980A CA 1021665 A CA1021665 A CA 1021665A
Authority
CA
Canada
Prior art keywords
air pressure
brake valve
pressure modulated
modulated brake
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
CA235,980A
Other languages
English (en)
French (fr)
Inventor
Lawrence F. Schexnayder
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
Application granted granted Critical
Publication of CA1021665A publication Critical patent/CA1021665A/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
    • 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
    • B60T13/12—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 the fluid being liquid
    • B60T13/22—Brakes applied by springs or weights and released hydraulically
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S303/00—Fluid-pressure and analogous brake systems
    • Y10S303/10—Valve block integrating pump, valves, solenoid, accumulator

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Safety Valves (AREA)
CA235,980A 1975-01-31 1975-09-22 Air pressure modulated brake valve Expired CA1021665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/545,856 US4006939A (en) 1975-01-31 1975-01-31 Air pressure modulated brake valve system

Publications (1)

Publication Number Publication Date
CA1021665A true CA1021665A (en) 1977-11-29

Family

ID=24177823

Family Applications (1)

Application Number Title Priority Date Filing Date
CA235,980A Expired CA1021665A (en) 1975-01-31 1975-09-22 Air pressure modulated brake valve

Country Status (7)

Country Link
US (1) US4006939A (pt)
JP (1) JPS5199774A (pt)
AU (1) AU8435275A (pt)
BR (1) BR7508060A (pt)
CA (1) CA1021665A (pt)
FR (1) FR2299199A1 (pt)
GB (1) GB1485347A (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349233A (en) * 1980-05-07 1982-09-14 Caterpillar Tractor Co. Method and apparatus for controlling wheel slip on differentially mounted wheels
US4893879A (en) * 1988-02-12 1990-01-16 Middelhoven Paul J Fail-safe wheel service brake system
US4989703A (en) * 1988-11-10 1991-02-05 Atlas Copco Construction And Mining Holding Ab Hydraulic brake release system
US5503250A (en) * 1994-02-14 1996-04-02 Euclid-Hitachi Heavy Equipment Inc. Traction control system
US6092881A (en) * 1995-12-12 2000-07-25 Euclid-Hitachi Heavy Equipment Inc. Traction control system
DE102005002699B4 (de) * 2005-01-19 2011-02-17 Sauer-Danfoss Aps Bremsventilanordung
US7722131B2 (en) * 2006-02-02 2010-05-25 White Drive Products, Inc. Control component for a spring applied-pressure released hydraulic brake and hydraulic motor
DE102011122637A1 (de) * 2011-12-23 2013-06-27 Wabco Gmbh Ventilbaueinheit mit Anschlüssen für wenigstens zwei unterschiedliche Druckmedien

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259216A (en) * 1964-08-18 1966-07-05 Caterpillar Tractor Co Brake cooling system
US3423136A (en) * 1967-05-23 1969-01-21 Caterpillar Tractor Co Pressure modulated brake valve
US3511276A (en) * 1968-04-04 1970-05-12 Caterpillar Tractor Co Fluid control valve with conditional self-actuating means
US3586138A (en) * 1968-05-06 1971-06-22 Gen Signal Corp Hydraulically operated lock mechanisms
US3547234A (en) * 1969-02-14 1970-12-15 Caterpillar Tractor Co Dual range brake system for vehicles
US3606485A (en) * 1969-12-29 1971-09-20 Westinghouse Air Brake Co Empty-load relay valve device
US3650568A (en) * 1970-04-29 1972-03-21 Caterpillar Tractor Co Air-over hydraulic brake system
US3647030A (en) * 1970-05-18 1972-03-07 Bendix Corp Spring-applied disc brake

Also Published As

Publication number Publication date
FR2299199B1 (pt) 1980-09-26
AU8435275A (en) 1977-03-03
USB545856I5 (pt) 1976-03-30
FR2299199A1 (fr) 1976-08-27
GB1485347A (en) 1977-09-08
US4006939A (en) 1977-02-08
JPS5199774A (pt) 1976-09-02
BR7508060A (pt) 1976-08-24

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