Title:
ばねブレーキアクチュエータの動力ばねの監視方法
Document Type and Number:
Japanese Patent JP2006521967
Kind Code:
A
Abstract:
A method of monitoring the condition of a power spring of a pneumatic spring brake actuator of a vehicle by comparing the stroke of the push rod during normal braking and by actuating the parking brake, wherein a defective power spring is indicated when the difference in the push rod stroke falls below a predetermined minimum. The brake actuator may also include a sensor determining the push rod stroke and signal a defective power spring.
Inventors:
Printemps, Ronald, Es
Application Number:
JP2006507522A
Publication Date:
September 28, 2006
Filing Date:
March 24, 2004
Export Citation:
Assignee:
Indian Head Industries, Inc.
International Classes:
B60T17/22; B60T13/38; B60T17/08; F16D65/14; F16D65/28
Domestic Patent References:
| JPH01153827A | 1989-06-16 | |||
| JP2002211370A | 2002-07-31 | |||
| JPH01153827A | 1989-06-16 | |||
| JP2002211370A | 2002-07-31 |
Attorney, Agent or Firm:
Kimura Mitsuru