Hydraulic fluid power system

Details Hydraulic fluid power system Hydraulic fluid power system

1980-05-16

1983-02-01

Gluck, Richard E.

Pumps

With condition responsive pumped fluid control

Plural paths having individual condition responsive control...

417308, 417309, 60464, F04R 4902

Patent

active

043713181

ABSTRACT:
A hydraulic fluid power system incorporating a supplemental pressurization system at the intake side of a hydraulic pump. The supplemental pressurization system includes a supplementary reservoir in communication with a primary fluid accumulator and an intake conduit of the hydraulic pump. The reservoir supplements hydraulic fluid flow to the intake side of the pump whenever intake line pressure drops below one atmosphere. Should the combined hydraulic fluid flow from the accumulator and the reservoir be insufficient to raise the intake pressure to prevent cavitation of the pump, an air ingestion valve opens to supply air to the intake side of the pump until proper pressurization is achieved, whereby the supplemental pressurization system closes off.

REFERENCES:
patent: 1509051 (1924-09-01), McBryde
patent: 2572263 (1951-10-01), Hofer
patent: 3903698 (1975-09-01), Gellatly et al.
patent: 4097200 (1978-06-01), Baits

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