Motion convertor from rotary to sine-wave reciprocation

Details Motion convertor from rotary to sine-wave reciprocation Motion convertor from rotary to sine-wave reciprocation

1985-10-03

1987-03-03

Callaghan, Thomas F.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

92 73, F16H 2122

Patent

active

046465804

ABSTRACT:
A crankshaft with a crank arm is connected to a reciprocatable piston or sshead by a connecting rod. By having the connecting rod length equal to the crank arm length, a motion whose equation is y=2a sin .alpha. is imparted to the piston or crosshead. In the equation y is the linear position of the piston or crosshead, a is either the crank arm or connecting rod length, and .alpha. is constant angular rotation of the crankshaft.

REFERENCES:
patent: 427171 (1890-05-01), Grafton
patent: 679235 (1901-07-01), Patten
patent: 679344 (1901-07-01), Singer
patent: 2165791 (1939-07-01), Farrell
patent: 2687649 (1954-08-01), Seragnoli
patent: 3401568 (1968-09-01), Blatt
patent: 3406508 (1968-10-01), Fridley
patent: 4411164 (1983-10-01), Durenec et al.

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