Variable cylinder capacity engine

Details Variable cylinder capacity engine Variable cylinder capacity engine

2006-03-21

2006-03-21

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

C123S0780BA

Reexamination Certificate

active

07013849

ABSTRACT:
A mechanical transmission device for a variable cylinder capacity engine includes at least a cylinder (10) wherein moves a piston (2), which is integral in its lower portion with a transmission member (3) co-operating through a small-sized rack (37) with a roller bearing guide device (4) and through another large-sized rack (35) with a sprocket wheel (5) linked to a connecting rod (6), a control member (7) having a large-sized rack (73) co-operating with the sprocket wheel (5), elements for fixing (24, 31) the piston (2) on the transmission member (3) which provide a preload for clamping it and ensure its centring, linking elements (11, 12; 71, 72) for rigidifying the transmission (3) and control (7) members and for increasing the flexural strength of the teeth of the large-sized racks (35, 73) and elements for lightening (56) the sprocket wheel (5) which maintain its rigidity and load capacity.

REFERENCES:
patent: 5934243 (1999-08-01), Kopystanski
patent: 6354252 (2002-03-01), Rabhi
patent: 6397722 (2002-06-01), Eddington
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patent: 2 763 097 (1998-11-01), None
patent: 221 477 (1925-02-01), None

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