Adjustable damper with control valve, mounted in an external...

Details Adjustable damper with control valve, mounted in an external... Adjustable damper with control valve, mounted in an external...

2005-12-27

2005-12-27

Nguyen, Xuan Lan (Department: 3683)

Brakes

Internal-resistance motion retarder

Motion damped from condition detected outside of retarder

C188S318000, C188S322130

Reexamination Certificate

active

06978871

ABSTRACT:
A shock absorber according to the present invention includes a pressure tube having a working chamber disposed therewithin. A piston is slidably disposed within the working chamber and divides the working chamber into an upper working chamber and a lower working chamber. An intermediate tube is disposed around the pressure tube and the working chamber to define an intermediate chamber. A reserve tube is disposed around the intermediate tube. A collar is attached to the intermediate tube. The collar is defined by a shoulder portion extending generally lateral to the intermediate tube and a radial neck portion extending generally perpendicularly to the intermediate tube. An external control valve includes a valve seat received within the collar in an installed position. The external control valve is attached to the reserve tube.

REFERENCES:
patent: 5472070 (1995-12-01), Feigel
patent: 5603392 (1997-02-01), Beck
patent: 5730261 (1998-03-01), Spakowski et al.
patent: 6079526 (2000-06-01), Nezu et al.
patent: 6182805 (2001-02-01), Kashiwagi et al.
patent: 6464048 (2002-10-01), Groves et al.

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