JPS56148105A - Braking device for rolling stock car - Google Patents
Braking device for rolling stock carInfo
- Publication number
- JPS56148105A JPS56148105A JP5128380A JP5128380A JPS56148105A JP S56148105 A JPS56148105 A JP S56148105A JP 5128380 A JP5128380 A JP 5128380A JP 5128380 A JP5128380 A JP 5128380A JP S56148105 A JPS56148105 A JP S56148105A
- Authority
- JP
- Japan
- Prior art keywords
- brake
- liquid
- electric brake
- zero
- relay valve
- 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.)
- Granted
Links
Landscapes
- Braking Systems And Boosters (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
PURPOSE: To complete accurately insufficiency of electric braking force with braking force of a liquid brake in the braking device of the rolling stock car by a method wherein when an electric brake becomes to invalid, output liquid pressure of an electropneumatic converter is made to zero.
CONSTITUTION: Braking commands applied to command lines 2, 3, 4 are transmitted to an electric brake equipment 13 through a D-A converter 12. The electropneumatic converter sends out a liquid having pressure corresponding to a detected value of electric brake torque to a calculating relay valve 9. While electromagnetic valves 6, 7, 8 send out liquids having pressure corresponding to the brake commands applied to the command lines 2, 3, 4 to the calculating relay valve 9. The calculating relay valve 9 sends out a liquid having pressure corresponding to insufficiency of braking force to a brake cylinder 10. When output of the electric brake becomes to zero, an electric brake invalid detector 15 makes the output of the electropneumatic converter 17 to zero to eliminate hysteresis.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55051283A JPS6031162B2 (en) | 1980-04-17 | 1980-04-17 | Vehicle brake device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55051283A JPS6031162B2 (en) | 1980-04-17 | 1980-04-17 | Vehicle brake device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56148105A true JPS56148105A (en) | 1981-11-17 |
JPS6031162B2 JPS6031162B2 (en) | 1985-07-20 |
Family
ID=12882602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55051283A Expired JPS6031162B2 (en) | 1980-04-17 | 1980-04-17 | Vehicle brake device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6031162B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4639047A (en) * | 1984-03-24 | 1987-01-27 | Nippon Air Brake Co., Ltd. | Railway vehicle brake system with improved blending control of pneumatic and electric brakes |
JPH02241866A (en) * | 1989-03-15 | 1990-09-26 | Nippon Air Brake Co Ltd | Brake control device for railroad vehicle |
-
1980
- 1980-04-17 JP JP55051283A patent/JPS6031162B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4639047A (en) * | 1984-03-24 | 1987-01-27 | Nippon Air Brake Co., Ltd. | Railway vehicle brake system with improved blending control of pneumatic and electric brakes |
JPH02241866A (en) * | 1989-03-15 | 1990-09-26 | Nippon Air Brake Co Ltd | Brake control device for railroad vehicle |
Also Published As
Publication number | Publication date |
---|---|
JPS6031162B2 (en) | 1985-07-20 |
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