Variable capacity type reciprocating piston device

Internal-combustion engines – Transmission mechanism from piston – Including clutch

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Details

123 9015, F01L 102, F02B 7532

Patent

active

048905895

ABSTRACT:
The crankshaft of an engine or compressor is arranged to define an Oldham type sliding connection which permits the stroke of a piston or pistons to be selectively varied. When the axis of the control disc is displaced along a arcuate path the TDC position and compression ratio of the device can be varied. Combining four sliding connections in a four square configuration permits inherent vibration cancellation. Valve train timing can be varied using a belt tensioning technique and can be combined with the stroke control provided by the sliding connection arrangement or arrangements.

REFERENCES:
patent: 3496918 (1970-02-01), Finlay
patent: 3888217 (1975-06-01), Hisserich
patent: 4440123 (1984-04-01), Tsai
patent: 4480607 (1984-11-01), Tsai et al.
patent: 4484543 (1984-11-01), Maxey
patent: 4525151 (1985-06-01), Tomita et al.
patent: 4576127 (1986-03-01), Doi et al.

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