Hydraulic pressure reaction device in a power steering device
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United States of America Patent
Stats
-
Jan 10, 1989
Grant Date -
N/A
app pub date -
Oct 27, 1986
filing date -
Mar 1, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A speed sensitive hydraulic pressure reaction device in a rack pinion type power steering device of the type employing a rotary valve. A valve body of the output shaft and the rotary valve forms a sleeve portion so as to integrally rotate around the input shaft. The sleeve portion has a plurality of holes mutually communicating through a ring ditch, and a plunger is slidably disposed in each hole. The input shaft has a plurality of slots which engage with the respective plungers at the outer periphery of the input shaft. Each slot has a bottom and a pair of slant surfaces in a cross section orthogonal to the input shaft. When the center of the plunger is aligned with a center between the pair of slant surfaces, gaps are formed between the plunger and each of the slant surfaces.
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