ZA767002B - Automatic freight car brake apparatus with spring-applied fluid-pressure released hand brake - Google Patents

Automatic freight car brake apparatus with spring-applied fluid-pressure released hand brake

Info

Publication number
ZA767002B
ZA767002B ZA767002A ZA767002A ZA767002B ZA 767002 B ZA767002 B ZA 767002B ZA 767002 A ZA767002 A ZA 767002A ZA 767002 A ZA767002 A ZA 767002A ZA 767002 B ZA767002 B ZA 767002B
Authority
ZA
South Africa
Prior art keywords
spring
freight car
applied fluid
pressure released
automatic freight
Prior art date
Application number
ZA767002A
Other languages
English (en)
Inventor
W Spalding
Original Assignee
Westinghouse Air Brake 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 Westinghouse Air Brake Co filed Critical Westinghouse Air Brake Co
Publication of ZA767002B publication Critical patent/ZA767002B/xx

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
    • 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
    • B60T13/24—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 gaseous
    • B60T13/26—Compressed-air systems
    • B60T13/261—Compressed-air systems systems with both indirect application and application by springs or weights and released by compressed air
    • B60T13/265—Compressed-air systems systems with both indirect application and application by springs or weights and released by compressed air dependent systems, e.g. trailer systems
    • 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
    • B60T15/36—Other control devices or valves characterised by definite functions
    • B60T15/52—Other control devices or valves characterised by definite functions for quick release of brakes, e.g. for influencing counter- pressure in triple valve or recirculating air from reservoir or brake cylinder to brake pipe
    • 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
    • B60T17/08—Brake cylinders other than ultimate actuators

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Braking Arrangements (AREA)
ZA767002A 1976-06-09 1976-11-23 Automatic freight car brake apparatus with spring-applied fluid-pressure released hand brake ZA767002B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/694,146 US4033629A (en) 1976-06-09 1976-06-09 Automatic freight car brake apparatus with spring-applied fluid-pressure-released hand brake

Publications (1)

Publication Number Publication Date
ZA767002B true ZA767002B (en) 1977-10-26

Family

ID=24787583

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA767002A ZA767002B (en) 1976-06-09 1976-11-23 Automatic freight car brake apparatus with spring-applied fluid-pressure released hand brake

Country Status (5)

Country Link
US (1) US4033629A (Direct)
JP (1) JPS52152011A (Direct)
BR (1) BR7703651A (Direct)
CA (1) CA1060510A (Direct)
ZA (1) ZA767002B (Direct)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7703171L (sv) * 1977-03-21 1978-09-22 Bromsregulator Svenska Ab Hydrauliskt fordonsbromssystem
US4368927A (en) * 1981-05-07 1983-01-18 Acf Industries, Incorporated Hand brake release apparatus
US4368928A (en) * 1981-05-07 1983-01-18 Acf Industries, Incorporated Inertial hand brake release apparatus
US4874065A (en) * 1986-11-19 1989-10-17 General Signal Corporation Parking brake system for railway vehicles
US4746171A (en) * 1986-11-19 1988-05-24 General Signal Corporation Parking brake system for railway vehicles
US4799741A (en) * 1986-11-19 1989-01-24 General Signal Corporation Parking brake system for railway vehicles
US4793449A (en) * 1987-10-28 1988-12-27 Thrall Car Manufacturing Company Railraod truck braking system
US4978178A (en) * 1989-06-09 1990-12-18 General Signal Corporation Automatic self-resetting parking brake
RU2129502C1 (ru) * 1996-07-22 1999-04-27 Акционерное общество открытого типа "Тверской вагоностроительный завод" Автоматический стояночный тормоз железнодорожного подвижного состава
US6269916B1 (en) * 1999-07-21 2001-08-07 Westinghouse Air Brake Company Brake cylinder using dual piston assemblies
US6761253B1 (en) * 2000-02-24 2004-07-13 Westinghouse Air Brake Company Spring applied parking brake assembly
SG88822A1 (en) 2000-05-23 2002-05-21 Daimler Chrysler Ag Dual mode emergency braking apparatus and method of use thereof
US6943675B2 (en) * 2001-09-24 2005-09-13 General Electric Company Locomotive hand brake alarm
US6854570B2 (en) 2003-05-14 2005-02-15 Westinghouse Air Brake Technologies Corporation Brake cylinder parking brake system
US7404473B2 (en) * 2003-09-09 2008-07-29 Wabtec Holding Corp. Automatic parking brake for a rail vehicle
US7140477B2 (en) * 2003-09-09 2006-11-28 Wabtec Holding Corp. Automatic parking brake for a rail vehicle
US7156471B2 (en) * 2004-10-28 2007-01-02 Wabtec Holding Corp. Two-stage cylinder for applying automatic set and release hand brake
KR101158782B1 (ko) 2011-10-05 2012-06-22 주식회사 에코카 전기차량용 브레이크 시스템

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1061900A (en) * 1912-10-21 1913-05-13 Watertown Specialty Company Combined hand and air brake.
US1792895A (en) * 1927-07-30 1931-02-17 Harold Bailey Pneumatic brake for railroad vehicles
US2318798A (en) * 1940-04-02 1943-05-11 Transit Res Corp Fluid pressure actuated brake system
US3228729A (en) * 1963-03-06 1966-01-11 Bendix Westinghouse Automotive Brake mechanism
JPS538082B2 (Direct) * 1972-01-26 1978-03-25

Also Published As

Publication number Publication date
BR7703651A (pt) 1978-03-21
JPS52152011A (en) 1977-12-17
US4033629A (en) 1977-07-05
JPS577944B2 (Direct) 1982-02-13
CA1060510A (en) 1979-08-14

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