Crankshaft with variable stroke

Details Crankshaft with variable stroke Crankshaft with variable stroke

2005-09-27

2005-09-27

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

C123S0780AA

Reexamination Certificate

active

06948460

ABSTRACT:
A drive apparatus, particularly for an internal combustion engine, allows the compression ratio to be changed while operating. A piston is slidably carried in a cylinder. The piston rod engages a power gear via an eccentric link. The power gear rotates around a rim gear. The rim is biased to a maximum stroke position, however it is allowed to rotate toward an increased torque minimum stroke position.

REFERENCES:
patent: 4860702 (1989-08-01), Doundoulakis
patent: 5908014 (1999-06-01), Leithinger
patent: 6450136 (2002-09-01), Klomp et al.
patent: 6564762 (2003-05-01), Dow

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