Reciprocating internal combustion engine

Details Reciprocating internal combustion engine Reciprocating internal combustion engine

1984-02-08

1985-02-19

Lazarus, Ira S.

Internal-combustion engines

Frame construction

Horizontal cylinder

123195S, 123198E, F02F 700

Patent

active

044998694

ABSTRACT:
The engine block of a reciprocating internal combustion engine comprises cylinders, cylinder heads, pistons, connecting rods, a crankshaft, and bearings for said parts. The engine block is mounted in an outer pan in such a manner that the pan is insulated against a transmission of structure-borne sound from the engine block. A frame-shaped flexible seal is disposed between the engine block and the top edge portion of the outer pan and surrounds the engine block. The oil seal extends into grooves which are formed in the top edge portion of the outer pan and in the engine block. To ensure that the oil seal will produce a perfect sealing action in spite of relative motion of the engine block and outer pan and that the oil seal will not render the assembling and disassembling of the engine more difficult, the oil seal consists of fins, which are force-fitted in the grooves, and a thin flexible profiled connecting portion, which connects the fins. The fins are provided on their side faces with a plurality of longitudinal ribs. The thickness of each fin, inclusive of the ribs, exceeds in an unstressed condition the width of the corresponding groove.

REFERENCES:
patent: 4071008 (1978-01-01), Skatsche et al.
patent: 4230087 (1980-10-01), Abe et al.
patent: 4257369 (1981-03-01), Abe et al.
patent: 4287861 (1981-09-01), Lettner et al.
patent: 4313405 (1982-02-01), Skatsche et al.
patent: 4377993 (1983-03-01), List

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