Pumps – Diverse pumps – Moving partition or cylinder of rotary pump forms or...
Patent
1975-04-28
1977-02-22
Vrablik, John J.
Pumps
Diverse pumps
Moving partition or cylinder of rotary pump forms or...
418 24, 418 28, 418 60, 418 61B, 60484, 60486, 60491, F04B 2310, F01C 102, F01C 2116, F16D 3100
Patent
active
040089827
ABSTRACT:
A mechanism with only two dynamic components, in which rotating crank motion is converted to intermittent rotation of an elongate rotor within a generally triangular chamber and vice versa. When the rotor and chamber are enclosed, the mechanism becomes a positive displacement fluid pump or motor capable of converting rotational torque into fluid pressure and vice versa; a high volume of fluid moving through a small device at comparatively low shaft speed. Further modification of the mechanism permits the rotor to slide axially while rotating, resulting in a variable displacement rotary fluid pump or motor. Adaptations of the invention provide: shaft drives having continuously variable speed ratios; fluid energy transformers wherein flow and pressure may be continuously converted into variably different flow and pressure; and continuously variable, gearless automotive transmissions. Additional capabilities include efficient pneumatic motors, compressors, and external combustion engines.
REFERENCES:
patent: 302179 (1884-07-01), Walker
patent: 1277018 (1918-08-01), Wolfington
patent: 2162771 (1939-06-01), Winans
patent: 3285189 (1966-11-01), Doyer
patent: 3922120 (1975-11-01), McCullough et al.
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