Crankcase seal arrangement for two cycle engine

Details Crankcase seal arrangement for two cycle engine Crankcase seal arrangement for two cycle engine

1989-02-27

1990-02-06

Okonsky, David A.

Internal-combustion engines

Frame construction

Horizontal cylinder

277 53, 277178, F16J 1532, F16F 1500

Patent

active

048981346

ABSTRACT:
An engine block comprising a first crankcase-defining member including a first semi-cylindrical surface having an end and extending about a first center, and also including a first shoulder extending radially outwardly from the end of the first semi-cylindrical surface, a second crankcase-defining member fixedly connected to the first crankcase-defining member and including a second semi-cylindrical surface located in generally co-planar facing relation to the first semi-cylindrical surface having an end and extending about a second center located in spaced relation to the first center, and also including a second shoulder extending radially outwardly from the end of the second semi-cylindrical surface, a crankshaft supported by the engine block and including a crankcase-defining disc including a cylindrical surface in spaced and generally co-planar facing relation to the first and second semi-cylindrical surfaces and including therein an annular groove, a first seal member located in the annular groove and having a side surface, an outer surface in sealing engagement with the semi-cylindrical surface of one of the crankcase-defining members, and an end surface engaging the shoulder on the other of the crankcase-defining members, and a second seal member located in the annular groove and having a side surface in sealing engagement with the side surface of the first sealing member, an outer surface in sealing engagement with the semi-cylindrical surface of the other of the crankcase-defining members, and an end surface engaging the shoulder on the one of the crankcase-defining members.

REFERENCES:
patent: 2885249 (1959-05-01), Payne
patent: 3356377 (1967-12-01), Voitik
patent: 3455565 (1969-07-01), Jepsen
patent: 3917286 (1975-11-01), Loyd
patent: 3941396 (1976-03-01), Bailey et al.
patent: 4013298 (1977-03-01), Bjerk
patent: 4320724 (1982-03-01), Takada et al.
patent: 4615531 (1986-10-01), Green
patent: 4645215 (1987-02-01), Fuchs et al.
patent: 4667967 (1987-05-01), Deuring
patent: 4693216 (1987-09-01), Ampferer et al.
patent: 4753201 (1988-06-01), Fukuo et al.

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