Power steering system
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United States of America Patent
Stats
-
Mar 20, 2018
Issued Date -
N/A
app pub date -
Jul 29, 2014
filing date -
Aug 30, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A power steering system is provided with a communicating hole and yet ensures the strength of a housing. Space between the housing and a wheel turning shaft is divided into two. Space located on one axial side of the bearing supporting a nut and the plurality of balls disposed in the nut is a first chamber, and space located on the other side is a second chamber. The communicating hole allowing communication between the first and second chambers is formed in the nut to open in the nut-side ball screw groove, avoiding a region in which the balls circulate, or in a member disposed radially further outside than the nut and radially inside than the inner wall of the housing.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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