Metering pump
United States Patent 3191542
US Patent References:
Pump
- - 1669976

Revolving plunger pump and compressor
- - 1908612

Variable-output hydraulic pump
- - 2561519

Hydraulic pump
- - 2565582

Fluid displacement device
- - 2617360


Inventors:
Hughes, Kenneth D.
Publication Date:
06/29/1965
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Assignee:
Hughes, Kenneth D.
Primary Class:
417/269
Other Classes:
417/488, 92/13.300, 91/501
International Classes:
F04B1/12; F04B1/20; F04B1/22; F04B1/30
US Patent References:
2633802Variable displacement fluid apparatus
2691350Hydraulic equipment
Foreign References:
FR567840A
DE951413C
GB771796A
IT592820B