Brakes – Internal-resistance motion retarder – Having a thrust member with a variable volume chamber
Reexamination Certificate
2003-12-08
2008-10-21
Burch, Melody M (Department: 3683)
Brakes
Internal-resistance motion retarder
Having a thrust member with a variable volume chamber
C188S281000, C188S322140, C188S318000, C188S322200
Reexamination Certificate
active
07438164
ABSTRACT:
A shock absorber includes a pressure tube with a piston slidably disposed therein. A separate valve includes a fluid circuit for fluid low in rebound and a fluid circuit for fluid flow in compression. Each fluid circuit includes a variable orifice which allows selection between a firm rebound with a soft compression, a soft rebound with a soft compression and a soft rebound with a firm compression. Each variable orifice is in communication with a blowoff valve in such a manner that they provide a variable blowoff feature to the blowoff valves.
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Groves Gary W
Kazmirski Karl
Steed David L
Zebolsky Michael L
Burch Melody M
Harness Dickey & Pierce PLC
Tenneco Automotive Operating Company Inc.
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