Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve
Patent
1998-04-27
1999-12-21
Argenbright, Tony M.
Pumps
With condition responsive pumped fluid control
Pressure responsive relief or bypass valve
F04C 214, F04B 4908
Patent
active
060041110
ABSTRACT:
An oil pump apparatus which includes an oil pump for being driven by a driving source and for being connected to a plurality of components to which an oil is supplied from the oil pump and a control valve preventing the oil which is unnecessary to the components from flowing into the components, wherein at least one of the components is an actuator operated by an oil pressure generated by the oil pump and wherein the control valve permits the oil of which the quantity is smaller than that of the oil which is consumed by the actuator to flow into the components when the actuator is not operated and the control valve permits the oil of which the quantity is larger than that of the oil which is consumed by the actuator to flow into the components when the actuator is operated.
REFERENCES:
patent: 3314495 (1967-04-01), Clark et al.
patent: 3426785 (1969-02-01), Brady et al.
patent: 4244389 (1981-01-01), Shimoura et al.
patent: 4452188 (1984-06-01), Kosuda et al.
patent: 4729349 (1988-03-01), Sonoda et al.
patent: 4854273 (1989-08-01), Uesugi et al.
patent: 5547349 (1996-08-01), Kimura et al.
Aoki Kongo
Kimura Ichiro
Miura Yoshinori
Miyazaki Hisashi
Aisin Seiki Kabushiki Kaisha
Argenbright Tony M.
Castro Arnold
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