Engine with variable compression ratio

Details Engine with variable compression ratio Engine with variable compression ratio

2005-01-18

2005-01-18

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

C123S0780AA

Reexamination Certificate

active

06843212

ABSTRACT:
An engine with a variable compression ratio includes a connecting rod connected to a piston, a first arm turnably connected to the connecting rod and to a crankshaft through a crankpin, a second arm integrally connected to the first arm, a control rod turnably connected to the second arm, and a displaceable support shaft for supporting the other end of the control rod for turning movement. In the engine, a displacement Vhpiv0and a compression ratio εpiv0at the time when the support shaft is in any first position and a displacement Vhpiv1and a compression ratio εpiv1at the time when the support shaft is in a second position displaced from the first position are determined, and a relation, Vhpiv1>Vhpiv0is satisfied when εpiv1<εpiv0, and a relation, Vhpiv1<Vhpiv0is satisfied when εpiv1>εpiv0.

REFERENCES:
patent: 1 167 720 (2002-01-01), None
patent: 1 170 482 (2002-01-01), None
patent: 1 178 194 (2002-02-01), None
patent: 9-228853 (1997-09-01), None
patent: 2002054468 (2002-02-01), None

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