AU2002226348A1 - Pressure-accumulating brake cylinder with release spindle indicator - Google Patents

Pressure-accumulating brake cylinder with release spindle indicator

Info

Publication number
AU2002226348A1
AU2002226348A1 AU2002226348A AU2634802A AU2002226348A1 AU 2002226348 A1 AU2002226348 A1 AU 2002226348A1 AU 2002226348 A AU2002226348 A AU 2002226348A AU 2634802 A AU2634802 A AU 2634802A AU 2002226348 A1 AU2002226348 A1 AU 2002226348A1
Authority
AU
Australia
Prior art keywords
pressure
brake cylinder
emergency release
accumulating
chamber
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.)
Abandoned
Application number
AU2002226348A
Inventor
Damien Gravier
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.)
Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Original Assignee
Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Knorr Bremse Systeme fuer Schienenfahrzeuge 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 Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH, Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Publication of AU2002226348A1 publication Critical patent/AU2002226348A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/10—Characterised by the construction of the motor unit the motor being of diaphragm type
    • 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
    • B60T17/085—Spring loaded brake actuators
    • B60T17/086—Spring loaded brake actuators with emergency release device

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention relates to a pressure-accumulating brake cylinder (1), comprising a housing (2) in which a pressure accumulator piston (4) runs, dividing an internal chamber of the housing (2) into a pressure accumulation chamber (22) and a pressure chamber (21), a spring arrangement (221), arranged in the pressure accumulation chamber (22) and tensioning the pressure accumulator piston (4) in the direction of the pressure chamber (21) and a mechanical emergency release device (5), for the mechanical emergency release of the pressure accumulating brake cylinder (1). A linear displacement of the pressure accumulating piston (1) is thus possible, by means of the mechanical emergency release device (5), against the tension of the spring arrangement (221), with a threaded spindle (51), acting as operating device, rigidly fixed, in the axial direction, to the housing (2) and the emergency release device (5) furthermore comprises an indicator device (54) which displays the position of the pressure accumulating piston (4), relative to the operating device. It is thus possible to have a reliable display of whether the pressure accumulating brake cylinder has been released in an emergency or not, even for an emergency release device with a threaded spindle which is not unscrewed externally.
AU2002226348A 2000-11-28 2001-11-22 Pressure-accumulating brake cylinder with release spindle indicator Abandoned AU2002226348A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10058927 2000-11-28
DE10058927 2000-11-28
PCT/EP2001/013583 WO2002044004A1 (en) 2000-11-28 2001-11-22 Pressure-accumulating brake cylinder with release spindle indicator

Publications (1)

Publication Number Publication Date
AU2002226348A1 true AU2002226348A1 (en) 2002-06-11

Family

ID=7664897

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002226348A Abandoned AU2002226348A1 (en) 2000-11-28 2001-11-22 Pressure-accumulating brake cylinder with release spindle indicator

Country Status (6)

Country Link
US (1) US20040060784A1 (en)
EP (1) EP1339593B1 (en)
AT (1) ATE385226T1 (en)
AU (1) AU2002226348A1 (en)
DE (1) DE50113552D1 (en)
WO (1) WO2002044004A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1434707B1 (en) * 2001-10-01 2008-02-20 KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GmbH Spring storage cylinder
DE102005033848A1 (en) * 2005-07-20 2007-02-01 Wabco Gmbh & Co.Ohg Spring brake cylinders
DE102007015211B3 (en) 2007-03-27 2008-12-04 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Compact combination cylinder for vehicle brakes with control device and method for controlling the brake cylinder
DE102007015212B4 (en) 2007-03-27 2008-12-18 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Compact combination cylinder with manual release device
DE102007041769A1 (en) * 2007-09-04 2009-03-05 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Spring brake cylinder with latched stop body
WO2009075659A2 (en) * 2007-12-11 2009-06-18 Orsan Ticari Arac Sistemleri Ltd. Sti. Emergency chamber locking mechanism in the bellows with diaphragm and piston
DE102008061346A1 (en) * 2008-12-10 2010-06-17 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Spring brake cylinder with external venting
DE102013114897A1 (en) * 2013-12-27 2015-07-02 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Spring brake cylinder with emergency release device
WO2020207551A1 (en) * 2019-04-08 2020-10-15 Wabco Europe Bvba Spring brake, brake system, motor vehicle
EP3969338B1 (en) * 2019-05-16 2023-03-29 ZF CV Systems Europe BV Piston tube assembly for a spring brake actuator, and spring brake actuator
EP3753796B1 (en) * 2019-06-20 2023-11-01 ZF CV Systems Europe BV Spring brake actuator and brake release mechanism for such spring brake actuator
DE102020110249B3 (en) 2020-04-15 2021-08-05 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Spring-loaded brake cylinder with pressure medium connection as a pivot bearing for an emergency release spindle
WO2023058794A1 (en) * 2021-10-08 2023-04-13 주식회사 미래브이씨 Pneumatic spring brake chamber for vehicle having caging bolt assembly

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2914630A (en) * 1957-07-23 1959-11-24 Bendix Westinghouse Automotive Signalling means for fluid pressure actuators
US4207565A (en) * 1978-06-12 1980-06-10 Midland-Ross Corporation Piston overtravel indicator
US4386552A (en) * 1980-06-16 1983-06-07 Foxwell W John Power cylinder with internally mounted position indicator
US4583071A (en) * 1984-05-02 1986-04-15 Adam Sebalos Brake adjustment monitoring device for automotive vehicles
US4757300A (en) * 1984-05-02 1988-07-12 Adam Sebalos Brake adjustment monitoring device for automotive vehicles
US4800991A (en) * 1985-08-19 1989-01-31 Miller Nicholas A Brake maintenance monitor
JPH0348933Y2 (en) * 1986-03-28 1991-10-18
US5649469A (en) * 1993-05-05 1997-07-22 Nai Anchorlok, Inc. Stroke indicator for an air-operated combination diaphragm spring brake
US5632192A (en) * 1995-12-19 1997-05-27 Indian Head Industries, Inc. Spring brake actuator with indicator for fully released condition
AU6772796A (en) * 1995-08-15 1997-03-12 Indian Head Industries Inc. Spring brake actuator release tool
US5943940A (en) * 1995-11-30 1999-08-31 Ab Volvo Indication means in a brake cylinder for a vehicle brake
US5816371A (en) * 1996-05-14 1998-10-06 Hayes Industrial Brake, Inc. Pressure release parking brake actuator
DE19630795B4 (en) * 1996-07-31 2014-03-13 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Spring-loaded cylinder, in particular for pneumatic commercial vehicle brake systems
DE19830136C2 (en) 1997-07-22 2001-02-01 Knorr Bremse Systeme Combined service brake and spring brake cylinder

Also Published As

Publication number Publication date
WO2002044004A1 (en) 2002-06-06
DE50113552D1 (en) 2008-03-20
US20040060784A1 (en) 2004-04-01
ATE385226T1 (en) 2008-02-15
EP1339593A1 (en) 2003-09-03
EP1339593B1 (en) 2008-01-30

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