GB1533034A - Anti-skid device for use in a pressure medium operated wheel brake system - Google Patents

Anti-skid device for use in a pressure medium operated wheel brake system

Info

Publication number
GB1533034A
GB1533034A GB275576A GB275576A GB1533034A GB 1533034 A GB1533034 A GB 1533034A GB 275576 A GB275576 A GB 275576A GB 275576 A GB275576 A GB 275576A GB 1533034 A GB1533034 A GB 1533034A
Authority
GB
United Kingdom
Prior art keywords
chamber
rod
valve
flywheel
vent
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
GB275576A
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 GmbH
Original Assignee
KNORR BREMSE 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 GmbH filed Critical KNORR BREMSE GmbH
Publication of GB1533034A publication Critical patent/GB1533034A/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
    • B60T8/32—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 a speed condition, e.g. acceleration or deceleration
    • B60T8/72—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 a speed condition, e.g. acceleration or deceleration responsive to a difference between a speed condition, e.g. deceleration, and a fixed reference
    • B60T8/74—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 a speed condition, e.g. acceleration or deceleration responsive to a difference between a speed condition, e.g. deceleration, and a fixed reference sensing a rate of change of velocity
    • 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
    • B60T8/32—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 a speed condition, e.g. acceleration or deceleration
    • B60T8/321—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 a speed condition, e.g. acceleration or deceleration deceleration
    • B60T8/3235—Systems specially adapted for rail vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Braking Arrangements (AREA)

Abstract

1533034 Anti-skid brake control KNORR BREMSE GmbH 23 Jan 1976 [1 Feb 1975] 02755/76 Heading F2F An antiskid device comprises rod 40 to which is attached roller 42 which follows cam track 44 of flywheel 44<1> such that rod 40 is pushed upwards when the rotary deceleration of the vehicle wheel exceeds a first predetermined value causing outlet valve C to vent brake cylinder D if the wheel decleration persist at or above the first predetermined level for a given period of time. If however a second, higher predetermined decleration is exceeded the roller 42 contacts surface 48 of track 44 to cause rod 40 to open a valve 32 resulting in substantially instantaneous venting of brake cylinder D to relieve braking effort. When rod 40 is raised chamber 38 of the device vents through a hollow extension of the rod via chokes 50, 52 and 54. Chambers 38 and 28 are also connected to control chamber 60 and chamber 70 respectively such that once the pressure in chamber 60 has diminished to a certain value piston 62 will be forced upwards to open valve 68 to vent chamber 28 via pipe 72 and chamber 70, causing upward movement of pot-shaped piston 26 to vent chamber 14 of valve C opening valve 10 to vent and thus relieve brake cylinder D. The delay between the initial movement of rod 40 and brake relief is governed by the size of chokes 50, 52 and 54. In the second predetermined position of rod 40 the valve 32 is opened directly by shoulders 56 of rod 40 causing instantaneous venting of chamber 28, raising of pot-shaped piston 26 by pressure in annular chamber 24 and venting of chamber 14 of valve C therethrough. The flywheel mass 44<1> is of the type mounted on a shaft parallel to rod 40, the track 44 being formed by a cut-out from the outer peripheral annular wall of the flywheel mass 44<1> (see Specification 807,177), wheel rotational deceleration causing relative movement between the roller 42 and the flywheel 44<1> around the periphery of the flywheel along track 44.
GB275576A 1975-02-01 1976-01-23 Anti-skid device for use in a pressure medium operated wheel brake system Expired GB1533034A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752504161 DE2504161C3 (en) 1975-02-01 1975-02-01 Mechanical anti-skid device, in particular for rail vehicles with compressed air brakes

Publications (1)

Publication Number Publication Date
GB1533034A true GB1533034A (en) 1978-11-22

Family

ID=5937843

Family Applications (1)

Application Number Title Priority Date Filing Date
GB275576A Expired GB1533034A (en) 1975-02-01 1976-01-23 Anti-skid device for use in a pressure medium operated wheel brake system

Country Status (9)

Country Link
CH (1) CH603385A5 (en)
CS (1) CS199616B2 (en)
DD (1) DD122949A5 (en)
DE (1) DE2504161C3 (en)
FI (1) FI59059C (en)
FR (1) FR2299192A1 (en)
GB (1) GB1533034A (en)
HU (1) HU178028B (en)
IT (1) IT1053551B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1234517A (en) * 1958-09-01 1960-10-18 Dunlop Sa Anti-slip device for vehicle wheels
US3165180A (en) * 1960-06-24 1965-01-12 Westinghouse Bremsen Gmbh Combination vehicle wheel spin and wheel slide control apparatus
US3402973A (en) * 1966-03-24 1968-09-24 Trw Inc Anti-skid modulated brake system responsive to rotational and linear deceleration
US3833097A (en) * 1973-09-26 1974-09-03 Holst Jan Olof Martin Anti-locking arrangement for fluid pressure actuated brake

Also Published As

Publication number Publication date
CH603385A5 (en) 1978-08-15
FI753738A (en) 1976-08-02
CS199616B2 (en) 1980-07-31
DE2504161A1 (en) 1976-08-05
DD122949A5 (en) 1976-11-12
DE2504161C3 (en) 1979-03-22
FR2299192B1 (en) 1980-07-18
FI59059C (en) 1981-06-10
IT1053551B (en) 1981-10-10
HU178028B (en) 1982-02-28
FI59059B (en) 1981-02-27
FR2299192A1 (en) 1976-08-27
DE2504161B2 (en) 1978-07-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee