Rotary to recipricating motion translator

Details Rotary to recipricating motion translator Rotary to recipricating motion translator

1981-06-02

1983-10-25

Purser, Ernest R.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

92138, F16H 2508, F01B 900

Patent

active

044111649

ABSTRACT:
A yoke with an elliptical slot in it is driven by a reciprocating motion in guide by a circular cam carried off-center to a rotating shaft. The minor axis of the ellipse is equal to the cam diameter and is parallel to the direction of reciprocating motion. The major axis is equal to the cam diameter plus twice the off-center distance of the cam. The yoke may be attached to a piston in a compressor by a connecting rod, or may be formed as a portion of the piston.

REFERENCES:
patent: 2256926 (1941-09-01), Maniscalco
patent: 2472647 (1949-06-01), Covins
patent: 2785576 (1957-03-01), Paulsmeier
patent: 3699952 (1972-10-01), Waters et al.

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