Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SEAL STRUCTURE FOR HYDRAULIC CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2002178942
Kind Code:
A
Abstract:

To provide a seal structure for a fully hydraulic power steering control valve having excellent sealability with zero leakage by preventing a shaft and a backup ring portion form sliding against each other for small sliding resistance at all times, and also preventing the sliding resistance from varying even with pressure fluctuation within a housing.

The seal structure for the fully hydraulic power steering control valve comprises a shaft, a housing, a seal and a seal housing for retaining the seal. The seal housing is provided with the backup ring portion and the shaft and the backup ring portion are prevented from sliding against each other.


Inventors:
ISHIGAKI ATSUSHI
Application Number:
JP2000000375612
Publication Date:
June 26, 2002
Filing Date:
December 11, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
EATON HYDRAULICS CO LTD
International Classes:
B62D5/09; F16J15/3236; F16J15/3252; F16K41/08; (IPC1-7): B62D5/09; F16J15/32; F16K41/08
Attorney, Agent or Firm:
加藤 紘一郎