Gas-lubricated seal for sealing between a piston and a cylinder

Details Gas-lubricated seal for sealing between a piston and a cylinder Gas-lubricated seal for sealing between a piston and a cylinder

1984-06-13

1985-09-10

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 27, 277216, F16J 900, F16J 1540, F16J 908

Patent

active

045401853

ABSTRACT:
A piston-cylinder seal uses gas for a lubricant and has a runner supported on a gapless structure and placed in the space between the piston and the cylinder wall. The runner is deformed elastically under the influence of the operating pressures to follow and compensate for variations in the piston-cylinder fit and maintain a seal.

REFERENCES:
patent: 3347555 (1967-10-01), Norton
patent: 3704893 (1972-12-01), Hill
patent: 3926444 (1975-12-01), Gripe et al.
patent: 4470375 (1984-09-01), Showalter
patent: 4470388 (1984-09-01), Showalter

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