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ZA957996B - Pneumatic emergency backup for electro-pneumatic freight brake - Google Patents

Pneumatic emergency backup for electro-pneumatic freight brake

Info

Publication number
ZA957996B
ZA957996B ZA957996A ZA957996A ZA957996B ZA 957996 B ZA957996 B ZA 957996B ZA 957996 A ZA957996 A ZA 957996A ZA 957996 A ZA957996 A ZA 957996A ZA 957996 B ZA957996 B ZA 957996B
Authority
ZA
South Africa
Prior art keywords
pneumatic
electro
emergency backup
freight brake
brake
Prior art date
Application number
ZA957996A
Other languages
English (en)
Inventor
Edward W Gaughan
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 ZA957996B publication Critical patent/ZA957996B/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
    • 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
    • B60T15/42—Other control devices or valves characterised by definite functions with a quick braking action, i.e. with accelerating valves actuated by brake-pipe pressure variation
    • 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
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/665—Electrical control in fluid-pressure brake systems the systems being specially adapted for transferring two or more command signals, e.g. railway systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Braking Systems And Boosters (AREA)
ZA957996A 1995-05-23 1995-09-21 Pneumatic emergency backup for electro-pneumatic freight brake ZA957996B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/448,144 US5503467A (en) 1995-05-23 1995-05-23 Pneumatic emergency backup for electro-pneumatic freight brake

Publications (1)

Publication Number Publication Date
ZA957996B true ZA957996B (en) 1996-04-18

Family

ID=23779175

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA957996A ZA957996B (en) 1995-05-23 1995-09-21 Pneumatic emergency backup for electro-pneumatic freight brake

Country Status (6)

Country Link
US (1) US5503467A (xx)
JP (1) JP2912581B2 (xx)
AU (1) AU699508B2 (xx)
BR (1) BR9600319A (xx)
CA (1) CA2157351C (xx)
ZA (1) ZA957996B (xx)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5722736A (en) * 1995-11-30 1998-03-03 Zeftron, Inc. Electronic pneumatic brake system
US5924774A (en) * 1995-11-30 1999-07-20 Zeftron, Inc. Electronic pneumatic brake system
US5794739A (en) * 1996-06-14 1998-08-18 Westinghouse Air Brake Company Pneumatic pressure operated parking brake for a railway vehicle brake system
US5746484A (en) * 1996-08-09 1998-05-05 Westinghouse Air Brake Company E/P interface with pneumatic control valve for back-up brake arrangement
US5967620A (en) * 1996-09-06 1999-10-19 New York Air Brake Corporation Electropneumatic brake control valve
US5730504A (en) * 1997-01-14 1998-03-24 Westinghouse Air Brake Company Release assuring arrangement for combined electro-pneumatic/automatic pneumatic brake
US5984426A (en) * 1997-07-31 1999-11-16 Westinghouse Air Brake Company Apparatus and method for a railway freight car brake control
US5934764A (en) * 1997-08-05 1999-08-10 Westinghouse Air Brake Company Method for limiting brake cylinder pressure on locomotives equipped with distributive power and electronic brake systems
US6017098A (en) * 1998-03-10 2000-01-25 Westinghouse Air Brake Company Brake pipe control portion to enhance operation under low main reservoir pressure conditions
IT1303545B1 (it) * 1998-08-28 2000-11-14 Sab Wabco Spa Sistema frenante, in particolare per convogli ferroviari di elevatacomposizione.
US6112860A (en) * 1999-02-05 2000-09-05 Ellcon-National, Inc. Vehicle brake status indicating apparatus
JP3814164B2 (ja) * 2000-06-28 2006-08-23 ウエスチングハウス・エヤー・ブレーキ・テクノロジーズ・コーポレイション 鉄道車両用の段階解除弁及びブレーキ圧力の段階解除を行うために鉄道車両のブレーキを制御する方法
US6318812B1 (en) 2000-09-13 2001-11-20 New York Air Brake Corporation Vent valve for electropneumatic brake control valve
US7980637B2 (en) * 2008-02-28 2011-07-19 New York Air Brake Corporation Brake control valve with AAV stability
US9327701B2 (en) * 2010-09-24 2016-05-03 Wabtec Holding Corp. Railroad control valve
WO2013184666A1 (en) * 2012-06-04 2013-12-12 Firestone Industrial Products Company, Llc Valve assembly for rail vehicles and pneumatic system including same
CN103465896B (zh) * 2013-09-16 2016-01-20 四川制动科技股份有限公司 一种适用于电空制动的客车分配阀
CN104108403B (zh) * 2014-07-23 2017-02-15 南车株洲电力机车有限公司 一种制动控制系统及制动控制方法
AU2017208962B2 (en) * 2016-01-20 2021-10-21 Westinghouse Air Brake Technologies Corporation Railroad control valve with modified electronically controlled pneumatics (ECP) mounting face
EP3421312B2 (en) 2016-02-24 2025-11-19 Nabtesco Automotive Corporation Air supply system
US10336307B2 (en) * 2016-09-22 2019-07-02 New York Air Brake, LLC Electronically controlled pneumatic (ECP) overlay control valve
US10315637B2 (en) * 2017-03-20 2019-06-11 Westinghouse Air Brake Technologies Corporation Automatic brake backup control system and method
US11027756B2 (en) 2017-11-16 2021-06-08 Westinghouse Air Brake Technologies Corporation ECP overlay system for UIC-type distributor valve
US10994756B2 (en) 2017-11-16 2021-05-04 Westinghouse Air Brake Technologies Corporation Electronically controlled brake overlay system for distributor valve
US11014585B2 (en) 2017-11-16 2021-05-25 Westinghouse Air Brake Technologies Corporation ECP overlay system for W-type triple valve
CN109501832B (zh) * 2018-11-01 2020-03-10 眉山中车制动科技股份有限公司 一种能实现转向架空重车压力调控的铁路货车制动系统
CN112109759A (zh) * 2020-08-26 2020-12-22 中车长江车辆有限公司 铁路货车驻车制动控制装置以及制动系统
KR102229788B1 (ko) * 2020-09-16 2021-03-19 유진기공산업주식회사 철도 차량용 긴급제동 제어 시스템
KR102229795B1 (ko) * 2020-10-07 2021-03-19 유진기공산업주식회사 철도 차량용 자동 제동완해 시스템

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4776642A (en) * 1987-11-05 1988-10-11 American Standard Inc. Freight brake control valve device having improved quick service function
US5064251A (en) * 1990-04-02 1991-11-12 Westinghouse Air Brake Company Electropneumatic air brake control system for railway vehicles
US5358315A (en) * 1993-04-01 1994-10-25 Westinghouse Air Brake Company Microprocessor-based electropneumatic locomotive brake control system having pneumatic backup brake control
US5393129A (en) * 1994-03-14 1995-02-28 Westinghouse Air Brake Company Electro-pneumatic freight brake control system

Also Published As

Publication number Publication date
CA2157351C (en) 2000-12-12
AU3443695A (en) 1996-12-05
CA2157351A1 (en) 1996-11-24
JP2912581B2 (ja) 1999-06-28
BR9600319A (pt) 1997-12-23
AU699508B2 (en) 1998-12-03
US5503467A (en) 1996-04-02
JPH08318851A (ja) 1996-12-03

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