Cam-on-crankshaft operated variable displacement engine

Details Cam-on-crankshaft operated variable displacement engine Cam-on-crankshaft operated variable displacement engine

1993-08-12

1995-04-18

Dolinar, Andrew M.

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

123 78E, F02B 7506

Patent

active

054069114

ABSTRACT:
A variable displacement engine includes a rotatable crankshaft having a journal, a cam having an eccentric opening that receives the crankshaft journal, a piston rod assembly having one end journalled on the eccentric cam, and the cam also having an arcuately extending cavity that has gear teeth formed in its outer wall that are at a constant radius distance from the radial center of the eccentric opening, and a gear wheel disposed within the cavity and engaging the gear teeth for selectively adjusting the angular position of the cam relative to the crankshaft journal.

REFERENCES:
patent: 1539769 (1925-05-01), Poillon
patent: 2356033 (1944-08-01), Criddle
patent: 4370901 (1983-02-01), Bolen
patent: 5136987 (1992-08-01), Schechter et al.
patent: 5146884 (1992-09-01), Merkel
patent: 5215051 (1993-06-01), Smith
patent: 5279268 (1994-01-01), Brink et al.

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