Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve
Patent
1995-10-17
1998-04-14
Argenbright, Tony M.
Pumps
With condition responsive pumped fluid control
Pressure responsive relief or bypass valve
123 9017, F04C 1504
Patent
active
057385017
ABSTRACT:
The invention relates to a valve train of an internal combustion engine having hydraulic actuator means for controlling a valve control means as a function of engine speed and having a pump driven by the engine for supplying the actuator means with working fluid. The pump is configured as a suction-controlled ring-gear pump having a sealing web extending over a plurality of pockets, and featuring a delivery characteristic as a function of speed which is adapted to the working fluid requirement of said actuator means. In addition, an internal gear pump is provided, particularly useful for such a valve train.
REFERENCES:
patent: 2509321 (1950-05-01), Topanelian, Jr.
patent: 3272128 (1966-09-01), Brundage
patent: 5096397 (1992-03-01), Eisenmann
patent: 5247914 (1993-09-01), Imai et al.
patent: 5380169 (1995-01-01), Eisenmann
patent: 5413470 (1995-05-01), Eisenmann
patent: 5547349 (1996-08-01), Kimura et al.
Argenbright Tony M.
Mr. Hermann Harle
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