Hydraulic shock absorber with self leveling function for...

Details Hydraulic shock absorber with self leveling function for... Hydraulic shock absorber with self leveling function for...

2006-04-11

2006-04-11

Rodriguez, Pam (Department: 3683)

Brakes

Internal-resistance motion retarder

Having a thrust member with a variable volume chamber

C188S322190, C267S064160

Reexamination Certificate

active

07025184

ABSTRACT:
A hydraulic shock absorber with a self leveling function for a vehicle height is provided to prevent drop of a relief valve even if an excessive impulsive pressure is applied thereto. The relief valve is provided with a tubular valve case which is press-fitted into a press-fit bore of a partition wall member to divide an oil storage and a reservoir, and a valve body opening/closing a valve seat of an end portion of a flow passage formed in the partition wall member is urged toward the direction of the valve seat by a spring and is seated at the valve seat. This prevents an oil pressure in an oil chamber of the reservoir from acting directly on an end face of the valve case.

REFERENCES:
patent: 2207088 (1940-07-01), Coleman
patent: 3991863 (1976-11-01), Lee
patent: 4240531 (1980-12-01), Postema
patent: 5062616 (1991-11-01), Sommer
patent: 6793049 (2004-09-01), Kazmirski
patent: 1 279 885 (1972-06-01), None

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