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Title:
BRAKE DEVICE FOR ROLLING STOCK
Document Type and Number:
Japanese Patent JP3940573
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a brake device for rolling stock having enhanced reliability of a security brake unit by simplifying a control unit of a security brake system as well as by surely actuating a security brake even in an emergency state wherein a regular power supply is cut off.
SOLUTION: This brake device for rolling stock is equipped with an output cylinder for displacing a brake shoe with respect to a brake member, and switches an actuation direction of the output cylinder by switching a delivery direction of a pump driven by a motor 20. The brake device for rolling stock is further equipped with a regular brake control unit 52 for controlling the motor 20 at actuating of a regular brake by electric current from the regular power supply, and a security brake control unit 56 for controlling the motor 20 at actuating of the security brake by the electric current from a security power supply.


Inventors:
Junichi Arai
Tatsuo Ito
Sugawara Nosei
Kiyoshi Kawaguchi
Application Number:
JP2001268523A
Publication Date:
July 04, 2007
Filing Date:
September 05, 2001
Export Citation:
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Assignee:
Kayaba Industry Co., Ltd.
Railway Technical Research Institute
International Classes:
B60T17/18; B61H1/00; (IPC1-7): B60T17/18
Domestic Patent References:
JP2001153164A
JP62145873U
JP2000168535A
JP6054406A
JP11034859A
JP5319229A
JP63064860A
Attorney, Agent or Firm:
Masaki Goto
Yoshio Matsuda