GB480040A - Improvements in and relating to braking arrangements for railway trains - Google Patents

Improvements in and relating to braking arrangements for railway trains

Info

Publication number
GB480040A
GB480040A GB3226336A GB3226336A GB480040A GB 480040 A GB480040 A GB 480040A GB 3226336 A GB3226336 A GB 3226336A GB 3226336 A GB3226336 A GB 3226336A GB 480040 A GB480040 A GB 480040A
Authority
GB
United Kingdom
Prior art keywords
brake
valve
fluid
pipe
piston
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
GB3226336A
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.)
Rheinmetall AG
Original Assignee
Rheinmetall Borsig AG
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 Rheinmetall Borsig AG filed Critical Rheinmetall Borsig AG
Priority to GB3226336A priority Critical patent/GB480040A/en
Publication of GB480040A publication Critical patent/GB480040A/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
    • B60T8/321—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
    • B60T8/324—Speed measurement by means of centrifugal governers or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

480,040. Brakes. RHEINMETALLBORSIG AKT. - GES. WERK BORSIG BERLIN-TEGEL, and GEISSEN, C. Nov. 25, 1936, No. 32263. [Class 103 (i)] A brake system for railway vehicles comprises a fluid resistance brake which is operative at high speeds only and a friction brake which is operative only at low speeds. As shown, the fluid resistance brake comprises a rotary pump 3 driven from the axle A and circulating oil through a duct that includes a throttle valve controlled by a piston in a compressed air cylinder 6 and a lever 5. The piston is backed by a spring so that the degree of closing of the throttle and thus of the braking action depends upon the pressure of the air supplied to the cylinder. The friction brake comprises brake shoes 2 operated by a cylinder 1. A change-over valve device comprises valves 13, 14 operated by pistons 17, 18, of unequal area and interconnected by a lever 21. The valve chambers are connected respectively by pipes 15, 16 to the cylinders 1, 6 and both to the main supply pipe 11. At high speeds, the chamber of piston 17 is connected by pipes 12, 20 and a speed governor controlled valve 10 to the pipe 11 and in these conditions compressed air supplied to pipe 11 is supplied to the chambers of both pistons 17, 18 so that valve 13 is moved to cut off cylinder 1 from the pipe 11 and connect it to atmosphere while valve 14 connects pipe 11 to cylinder 6 so that the fluid-resistance brake is applied. When the speed has fallen to a predetermined value, valve 10 is moved by the governor 9 to connect the chamber of the larger piston 17 to atmosphere as shown, so that the valves 13, 14 are moved by piston 18 to the position shown, to connect the cylinders 6, 1 respectively to atmosphere and to pipe 11 thereby rendering the fluid-resistance brake inoperative and tho friction brake operative. According to the Provisional Specification, the fluid-pressure of the fluid-resistance brake may be used to effect the change-over from that brake to the friction brake.
GB3226336A 1936-11-25 1936-11-25 Improvements in and relating to braking arrangements for railway trains Expired GB480040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3226336A GB480040A (en) 1936-11-25 1936-11-25 Improvements in and relating to braking arrangements for railway trains

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3226336A GB480040A (en) 1936-11-25 1936-11-25 Improvements in and relating to braking arrangements for railway trains

Publications (1)

Publication Number Publication Date
GB480040A true GB480040A (en) 1938-02-16

Family

ID=10335886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3226336A Expired GB480040A (en) 1936-11-25 1936-11-25 Improvements in and relating to braking arrangements for railway trains

Country Status (1)

Country Link
GB (1) GB480040A (en)

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