Internal oil seal for piston

Details Internal oil seal for piston Internal oil seal for piston

1974-09-03

1976-11-23

Maslousky, Paul E.

Expansible chamber devices

With lubricating means

Lubricant passage extends axially through articulated piston...

123 4138, 92208, F01B 3110, F16J 104

Patent

active

039929809

ABSTRACT:
A seal for use within the interior portions of a piston, primarily on a diesel engine which has a pressurized oil supply which is forced upwardly through the connecting rod and sprayed on to the upper portion of the piston. The seal substantially closes the area between the connecting rod and the interior sidewalls of the piston skirt. The oil is thus restricted in flow, building up pressure within the top portion of the piston and causing the oil to contact the upper interior portion for cooling the piston and further, forced to lubricate the bushings on the wrist pin.

REFERENCES:
patent: 1942887 (1934-01-01), Vanni
patent: 2046196 (1936-06-01), Truxell, Jr.
patent: 2372050 (1945-03-01), Frauenfelder et al.
patent: 3056638 (1962-10-01), Hovde

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