Gearless quadrophasor

Details Gearless quadrophasor Gearless quadrophasor

1979-07-02

1981-07-28

Staab, Lawrence J.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

74 51, F16H 2118, F16H 2134

Patent

active

042803675

ABSTRACT:
A link and pivot mechanism is provided in which a pair of equal length links are connected pivotally at centers. The movement of these two links is scissor-like and is precisely controlled by the complete mechanism to produce four cycles per revolution. In one embodiment, said links osscilate about an imaginary fixed diagonal line while an interconnected crankshaft rotates. In another embodiment, said crankshaft is fixed and the mechanical approximation of said diagonal line rotates even as said scissor links osscilate about said diagonal line. Either embodiment provides a precisely controlled relationship between the crank angle (the angle between the crankshaft throw and said diagonal line) and the two angles between said scissor links. This relationship provides for a four cycle single revolution displacement mechanism, with four displacement regions, in which all movement is that of pivoting links.

REFERENCES:
patent: 511924 (1894-01-01), Barnett
patent: 883024 (1908-03-01), Humpert
patent: 1622378 (1927-03-01), Graupner
patent: 1897182 (1933-02-01), Terhaar
patent: 2228400 (1941-01-01), Otto

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