Cylinder-piston arrangement

Details Cylinder-piston arrangement Cylinder-piston arrangement

1982-11-08

1983-12-27

Hershkovitz, Abraham

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92 865, 92153, F01B 1900

Patent

active

044223684

ABSTRACT:
A relatively movable piston and cylinder are joined by an elastic sealing element which engages the piston and cylinder at spaced locations and at least partially defines a working chamber. The sealing element bears against a bearing surface via a lubricant space, and means are provided for feeding lubricant between the bearing surface and the sealing element. Part of the bearing surface comprises a transition surface section extending oblique to the axis of the cylinder. The lubricant feed mouth opens to the bearing surface at a predetermined location relative to the transition surface section of the bearing surface.

REFERENCES:
patent: 2027979 (1936-01-01), Hopkins
patent: 2191861 (1940-02-01), Rymal
patent: 3212447 (1965-10-01), Browne
patent: 3902404 (1975-09-01), Breit

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