Title:
AIR SUPPLY SYSTEM
Document Type and Number:
Japanese Patent JP2017149263
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an air supply system capable of enhancing redundancy of a brake electronic control system.SOLUTION: A security module is provided in parallel to a main module which performs supply and discharge of air to a brake chamber 50 which actuates a service brake. The security module comprises: a relay valve 40 whose position can be changed between a connection position where the relay valve communicates to the brake chamber 50 side, an air tank 22 for suspension side, and a discharge port 39 side, and connects the air tank 22 for suspension and the brake chamber 50 side, and a discharge position where the relay valve connects the brake chamber 50 side and the discharge port 39; a changeover part 42 which connects the main module and the brake chamber 50 during operation of the main module, and connects the relay valve 40 and the brake chamber 50 during non-operation of the main module; and a second ECU 25 for controlling the position of the relay valve 40.SELECTED DRAWING: Figure 2
Inventors:
TANAKA KATSUNORI
OTA YUSUKE
OTA YUSUKE
Application Number:
JP2016033380A
Publication Date:
August 31, 2017
Filing Date:
February 24, 2016
Export Citation:
Assignee:
NABTESCO AUTOMOTIVE CORP
International Classes:
B60T17/18; B60T15/36; B60T17/00
Domestic Patent References:
| JP2010164193A | 2010-07-29 | |||
| JP2015150908A | 2015-08-24 | |||
| JP2009023627A | 2009-02-05 |
Attorney, Agent or Firm:
Yasuhisa Nakajima
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