Crankshaft of piston crank mechanism

Internal-combustion engines – Transmission mechanism from piston – Crankshaft and connecting rod

Reexamination Certificate

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Details

C123S0780AA

Reexamination Certificate

active

11713128

ABSTRACT:
A crankshaft mechanism is disclosed that takes advantage of component makeup and orientation to cancel out inertial force. A crankshaft of the crankshaft mechanism includes at least one counterweight that is arranged in combination with the rest of the mechanism to cancel out the inertial force particularly at a timing in front of a bottom dead center of a piston where the inertial force becomes a maximum.

REFERENCES:
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patent: 6546900 (2003-04-01), Arai et al.
patent: 6561142 (2003-05-01), Moteki et al.
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patent: 7117838 (2006-10-01), Aoyama et al.
patent: 7121251 (2006-10-01), Moteki et al.
patent: 2006/0102116 (2006-05-01), Maezuru et al.
patent: 2007/0056552 (2007-03-01), Fisher
patent: 2007/0137606 (2007-06-01), Takahashi et al.
patent: 63-088217 (1988-04-01), None
patent: 1116311 (1989-05-01), None
patent: 2001-227367 (2001-08-01), None
patent: 2002-61501 (2002-02-01), None
English Abstract for JP-1116311.
English Abstract provided for JP-2001-227367.
English Abstract provided for JP-2002-61501.
English Abstract provided for JP-63-088217.

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