Eccentric crank variable compression ratio mechanism

Details Eccentric crank variable compression ratio mechanism Eccentric crank variable compression ratio mechanism

2008-05-13

2008-05-13

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

Reexamination Certificate

active

10998895

ABSTRACT:
A variable compression ratio mechanism for an internal combustion engine that has an engine block and a crankshaft is disclosed. The variable compression ratio mechanism has a plurality of eccentric disks configured to support the crankshaft. Each of the plurality of eccentric disks has at least one cylindrical portion annularly surrounded by the engine block. The variable compression ratio mechanism also has at least one actuator configured to rotate the plurality of eccentric disks.

REFERENCES:
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patent: 6247430 (2001-06-01), Yapici
patent: 6443106 (2002-09-01), Pischinger et al.
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patent: 6588384 (2003-07-01), Yapici
patent: 6665605 (2003-12-01), Boyer et al.
patent: 7032566 (2006-04-01), Cavanagh et al.
patent: 7185616 (2007-03-01), Roozenboom
patent: 1245803 (2002-10-01), None
RD382001A, Feb. 1996, RD.

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