Pumps – Correlated pump and motor or clutch control – Pump distributor control
Patent
1974-11-06
1976-03-23
Croyle, Carlton R.
Pumps
Correlated pump and motor or clutch control
Pump distributor control
417402, F04B 900, F04B 1700, F04B 3500
Patent
active
039457680
ABSTRACT:
Apparatus is disclosed for actuating hydraulic motor control valves in a predetermined timed relationship relative to a pump inlet valve, wherein the pump is connected to and driven by the hydraulic motor, to improve the metering capabilities of the motor-pump combination.
REFERENCES:
patent: 482814 (1892-09-01), Smedley
patent: 2300110 (1942-10-01), Hoog
patent: 2510649 (1950-06-01), Neff
patent: 2819928 (1958-01-01), Liedberg
Croyle Carlton R.
Gluck Richard E.
Graco Inc.
Sjoquist Paul L.
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