Rotary drives

Details Rotary drives Rotary drives

1990-11-06

1992-01-14

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 4017, 123 9031, 74395, 74568R, F01L 134

Patent

active

050800531

ABSTRACT:
A drive mechanism includes an internal gear rotatably mounted on an eccentric, the eccentric being mounted on a drive shaft for rotation therewith, said internal gear having an arm with an elongate slot, a block being pivotally mounted on a pin slidably located in the slot, an external gear being rotatably mounted coaxially of the internal gear and in mesh therewith, the position of the pin being adjustable relative to the axis of the drive shaft.

REFERENCES:
patent: 3633555 (1972-01-01), Raggi
patent: 4747375 (1988-05-01), Williams
patent: 4802376 (1989-02-01), Stidworthy
patent: 4805566 (1989-02-01), Ampferer

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