Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve
Patent
1993-05-03
1994-03-08
Gluck, Richard E.
Pumps
With condition responsive pumped fluid control
Pressure responsive relief or bypass valve
F04B 4902
Patent
active
052922340
ABSTRACT:
In a positive displacement hydraulic pump (68), a system for preventing cavitation includes a regulator valve, a valve spool (74) formed with control lands (76,78) moveable within a bore (72) communicating with control pressure taken at an inlet port (100) and control pressure at a reservoir inlet port (62). The spool opens and closes a connection between the inlet port (96) and outlet port (90) in accordance with changes in differential pressure between the reservoir (atmospheric pressure) and pressure in the inlet port (100). When the differential pressure is low, the valve closes the connection; when the differential pressure is large, the valve opens the connection.
REFERENCES:
patent: 2683418 (1954-07-01), Smith
patent: 3182596 (1965-05-01), Prijatel
patent: 3224662 (1965-12-01), Oldberg
patent: 4222712 (1980-09-01), Huber
Ford Motor Company
Gluck Richard E.
May Roger L.
McKenzie Frank G.
LandOfFree
System for preventing cavitation in an hydraulic pump does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with System for preventing cavitation in an hydraulic pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System for preventing cavitation in an hydraulic pump will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-149955