Engine oil passage seal

Details Engine oil passage seal Engine oil passage seal

1983-02-07

1983-12-06

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277190, F16J 900, F16J 1512

Patent

active

044189230

ABSTRACT:
An oil seal is formed between two casing parts which have oil passages which are joined by a hollow dowel. A sealing ring surrounds the dowel and is compressed between the casing parts. In order to allow relatively loose fitting dowels and appreciable tolerances in the spacing between the passages and the gap between casing parts, the sealing ring has the form of two annular webs which are pressed together as the casing parts are clamped together. Moreover, one web has a frustoconical surface which engages a frustoconical countersunk surface in one of the casing parts. In a modified embodiment, the oil pressure is communicated to the space below the webs and spreads these into pressure contact with the casing parts.

REFERENCES:
patent: 480943 (1892-08-01), Bodfish
patent: 3918725 (1975-11-01), Dryer
patent: 4384728 (1983-05-01), Koltookian

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