Multi-purpose fluid seal for movement control dampers and the li

Details Multi-purpose fluid seal for movement control dampers and the li Multi-purpose fluid seal for movement control dampers and the li

1982-09-16

1985-07-09

Butler, Douglas C.

Brakes

Internal-resistance motion retarder

Using diverse fluids

18832217, 277 37, 277153, F16F 906, F16F 936, F16J 1532

Patent

active

045276730

ABSTRACT:
A fluid seal for a liquid and gas-filled damper mechanism. The seal includes a casing and a primary lip body subdivided into two portions, one portion being adapted to provide a fluid seal with an associated reciprocable rod, and the other to provide a one-way relief valve action to bleed fluid from one side of the lip body to the other when higher pressure is on the rod side; and to increase the sealing force when the higher pressure is on the other side of the lip body opposite the rod.

REFERENCES:
patent: 3979134 (1976-09-01), Keijzer et al.
patent: 4183509 (1980-01-01), Nishikawa et al.
patent: 4189033 (1980-02-01), Katsumori
patent: 4357026 (1982-11-01), Panchetti
patent: 4364457 (1982-12-01), Wossner et al.
patent: 4433846 (1984-02-01), Romero et al.

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