Engine crankcase structure

Details Engine crankcase structure Engine crankcase structure

2006-09-12

2006-09-12

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Vibration compensating device

Balancing arrangement

C123S1960AB, C123S1960AB, C123S192100

Reexamination Certificate

active

07104239

ABSTRACT:
To miniaturize an engine, to concentrate heavy masses and to reduce friction loss of a balancer. An engine crankcase structure in which a crankcase is vertically partitioned into an upper case and a lower case, each journal supporter is formed in the upper case and in the lower case so that the rotational axis of a crankshaft is located on a partition face of the crankcase in parallel with a direction of the width of the body. The crankshaft is supported so that the crankshaft can be rotated. An oil filter is directly attached to the lower case. An oil cooler and a secondary balancer are arranged in the front of the lower case.

REFERENCES:
patent: 5305656 (1994-04-01), Kamiya et al.
patent: 2004/0173176 (2004-09-01), Kawakubo et al.
patent: 2004/0200658 (2004-10-01), Kawakubo et al.
patent: 2000-310286 (2000-11-01), None
patent: 2002 122028 (2002-04-01), None
patent: 2002 127977 (2002-05-01), None
patent: 2002 201923 (2002-07-01), None

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