Means to control piston movement in relationship to crank arm ro

Details Means to control piston movement in relationship to crank arm ro Means to control piston movement in relationship to crank arm ro

1988-01-29

1990-01-02

Feinberg, Craig R.

Internal-combustion engines

Four-cycle

Variable clearance

123 78B, 123197AB, F02B 7504

Patent

active

048905887

ABSTRACT:
A means to control piston movement in relationship to crank arm rotation in an internal combustion engine is provided. There is provided a system to permit the crank arm of an engine to rotate a number of degrees past what would be the normal TDC (TOP DEAD CENTER). There is also provided a means to lift the piston to its highest point when the crank arm has reached its predetermined number of degrees past normal TDC. A mechanical linkage has been provided to replace the usual connecting rod. A short link is assembled to the crank arm bearing by means of a journal. The crank arm length is coupled to a longer link through a coupling pin. The longer link is attached to the piston by a standard piston pin.

REFERENCES:
patent: 669416 (1901-03-01), Johnson
patent: 1317788 (1919-10-01), Hinsdale
patent: 1379115 (1921-05-01), Mallory
patent: 1741766 (1929-12-01), Gockerell
patent: 2458111 (1949-01-01), Soltesz

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