Damping force generating mechanism in hydraulic damper

Details Damping force generating mechanism in hydraulic damper Damping force generating mechanism in hydraulic damper

1982-07-13

1984-12-04

Reger, Duane A.

Brakes

Internal-resistance motion retarder

Resistance alters relative to direction of thrust member

137854, 188317, 18832215, F16F 9348

Patent

active

044859007

ABSTRACT:
A damping force generating mechanism in a hydraulic damper includes a housing containing therein oil and an oil chamber partitioning member such as a piston. The mechanism includes a communicating passage provided in the oil chamber partitioning member and defining an annular valve seat on one end thereof and an annular valve plate provided on one end of the communicating passage and being deflectable toward and away from the valve seat for permitting the oil to flow in the communicating passage in one direction. The plate valve consists of a plurality of mutually overlapping annular plates, and at least one of the annular plates is deflected in the direction separating from the valve seat by a projection member which also is one of the annular plates.

REFERENCES:
patent: 4111231 (1978-09-01), Leppich

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