Automatic operating system for pump driven by internal combustio

Details Automatic operating system for pump driven by internal combustio Automatic operating system for pump driven by internal combustio

1984-09-20

1985-10-08

Freeh, William L.

Pumps

Correlated pump and motor or clutch control

Pump distributor control

F04B 900, F04B 1700

Patent

active

045457409

ABSTRACT:
An automatic operating system for a pump driven by an internal combustion engine is disclosed in which the engine is kept in operation at a low and economical speed automatically disconnecting the pump from the engine when delivery pressure from the pump is not required and connecting the pump automatically when delivery pressure from the pump is required. Such automatic control is effected by a valve block in which a safety valve is incorporated, the movement of the valve body of which is utilized to control the connection and disconnection of the pump, the movement of the valve body being dependent on the pressure in the discharge line of the pump.

REFERENCES:
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patent: 2651263 (1953-09-01), Mathews
patent: 2900915 (1959-08-01), Rowell
patent: 3040992 (1962-06-01), Weigand
patent: 3111903 (1963-11-01), Waterman
patent: 3147767 (1964-09-01), Goss
patent: 3159965 (1964-12-01), Woolley et al.
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patent: 3446238 (1969-05-01), Norstrud et al.
patent: 3786869 (1974-01-01), McLoughlin
patent: 3788769 (1974-01-01), Glass et al.
patent: 3894811 (1975-07-01), Bergey et al.
patent: 4238073 (1980-12-01), Liska
patent: 4435127 (1984-03-01), Kranzle et al.

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