Vehicle height adjusting device

Details Vehicle height adjusting device Vehicle height adjusting device

2007-03-23

2011-12-13

King, Bradley (Department: 3657)

Spring devices

Vehicle

Comprising compressible fluid

C188S322140

Reexamination Certificate

active

08074974

ABSTRACT:
A vehicle height adjusting device includes a cylinder (1), a rod (3) inserted in the cylinder (1), a piston (4) connected to the rod (3) and movable within the cylinder (1), and defining a rod side chamber (2a) and an non-rod side chamber (2b) in the cylinder (1), damping parts (4a, 4b) for generating a damping force by the movement of the rod (3), a high pressure chamber (18) and a low pressure chamber (16) charged with gas, a pump chamber (25) for adjusting the vehicle height by supplying the working fluid in the low pressure chamber (16) into the non-rod side chamber (2b), a communicating path (5a) for communicating the non-rod side chamber (2b) and the high pressure chamber (18), and a valve body (20) for increasing and reducing a channel area of the communicating path (5a) depending on the fluid pressure of the high pressure chamber (18).

REFERENCES:
patent: 2802664 (1957-08-01), Jackson
patent: 3904183 (1975-09-01), Allinquant et al.
patent: 5647580 (1997-07-01), Buma
patent: 5988655 (1999-11-01), Sakai et al.
patent: 4424991 (1995-04-01), None
patent: 19602166 (1996-08-01), None
patent: 8-135716 (1996-05-01), None
patent: 8-142630 (1996-06-01), None
patent: 10-306837 (1998-11-01), None

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