GB1085081A - Improvements in or relating to electropneumatic compressed air brakes for rail vehicles - Google Patents

Improvements in or relating to electropneumatic compressed air brakes for rail vehicles

Info

Publication number
GB1085081A
GB1085081A GB522565A GB522565A GB1085081A GB 1085081 A GB1085081 A GB 1085081A GB 522565 A GB522565 A GB 522565A GB 522565 A GB522565 A GB 522565A GB 1085081 A GB1085081 A GB 1085081A
Authority
GB
United Kingdom
Prior art keywords
valve
pressure
electropneumatic
reservoir
brake
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
GB522565A
Inventor
Ernst Moller
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
Knorr Bremse AG
Original Assignee
KNORR BREMSE GmbH
Knorr Bremse 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 KNORR BREMSE GmbH, Knorr Bremse AG filed Critical KNORR BREMSE GmbH
Priority to GB522565A priority Critical patent/GB1085081A/en
Priority to FR5002A priority patent/FR1424270A/en
Publication of GB1085081A publication Critical patent/GB1085081A/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
    • 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
    • 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
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

1,085,081. Fluid pressure brakes. KNORRBREMSE G.m.b.H. Feb. 5, 1965. No. 5225/65. Heading F2F. An electropneumatic compressed-air brake for rail vehicles, comprising a purely pneumatic control device, which includes a triple pressure control valve 5, and an electropneumatic control device 19 connected in parallel through a double check valve 25 with a brake cylinder 27, is characterized in that a shut-off valve 23 is arranged between the constant pressure chamber of the triple valve and an auxiliary reservoir 11 such that the said shut-off valve is opened only during electropneumatic brake operation to allow compressed air to pass to the brake cylinder from the constant pressure chamber in addition to that air drawn from the reservoir. On purely pneumatic brake operation, triple valve 5 connects lines 13 and 24 and compressed air is delivered from the reservoir through valve 25 to the brake cylinder. Solenoid-actuated valves 15 and 17 of the control device 19 are in a de-energized condition and respectively prevent communication between lines 13 and 26 and vent the chamber on the right-hand side of piston 41 in valve 23 to atmosphere through 21 so that valve member 37 remains seated. On electropneumatic brake application, train wires 33, 29 and hence valves 15 and 17 are energized. Compressed air flows from the reservoir through inter-connected lines 13 and 26, and valve 25 to the brake cylinder. Simultaneously, the pressure in line 26 moves piston 41 against spring 43 to unseat member 37 so that the control chamber pressure falls to the same extent as the auxiliary reservoir pressure which has fallen below that pressure in train pipe 1 thereby ensuring triple valve 5 is maintained in the release condition. Sufficient pressure is retained in the reservoir and constant pressure chamber to actuate the brake cylinder in the event of electropneumatic device failure. In the embodiment of Fig. 2, the shutoff valve is a solenoid-operated valve which is energized to open from train wire 33.
GB522565A 1965-02-05 1965-02-05 Improvements in or relating to electropneumatic compressed air brakes for rail vehicles Expired GB1085081A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB522565A GB1085081A (en) 1965-02-05 1965-02-05 Improvements in or relating to electropneumatic compressed air brakes for rail vehicles
FR5002A FR1424270A (en) 1965-02-05 1965-02-10 Electro-pneumatic compressed air brake for rail vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB522565A GB1085081A (en) 1965-02-05 1965-02-05 Improvements in or relating to electropneumatic compressed air brakes for rail vehicles

Publications (1)

Publication Number Publication Date
GB1085081A true GB1085081A (en) 1967-09-27

Family

ID=9792061

Family Applications (1)

Application Number Title Priority Date Filing Date
GB522565A Expired GB1085081A (en) 1965-02-05 1965-02-05 Improvements in or relating to electropneumatic compressed air brakes for rail vehicles

Country Status (2)

Country Link
FR (1) FR1424270A (en)
GB (1) GB1085081A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125915A (en) * 1982-08-20 1984-03-14 Saab Scania Ab Improvements in or relating to multi-circuit brake systems
US4603919A (en) * 1981-11-12 1986-08-05 Robert Bosch Gmbh Dual control pressure medium brake system
US4616881A (en) * 1982-05-21 1986-10-14 Robert Bosch Gmbh Tractor-trailer brake system including a trailer brake control valve
US4632466A (en) * 1982-03-17 1986-12-30 Robert Bosch Gmbh Dual-circuit pressure medium brake system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603919A (en) * 1981-11-12 1986-08-05 Robert Bosch Gmbh Dual control pressure medium brake system
US4632466A (en) * 1982-03-17 1986-12-30 Robert Bosch Gmbh Dual-circuit pressure medium brake system
US4616881A (en) * 1982-05-21 1986-10-14 Robert Bosch Gmbh Tractor-trailer brake system including a trailer brake control valve
GB2125915A (en) * 1982-08-20 1984-03-14 Saab Scania Ab Improvements in or relating to multi-circuit brake systems

Also Published As

Publication number Publication date
FR1424270A (en) 1966-01-07

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