Overpressure generator and valve

Details Overpressure generator and valve Overpressure generator and valve

2006-07-11

2006-07-11

Yu, Justine R. (Department: 3751)

Valves and valve actuation

Fluid actuated or retarded

Flexible wall expansible chamber reciprocating valve actuator

Reexamination Certificate

active

07073769

ABSTRACT:
The invention relates to a device for at least intermittently generating an overpressure in a system S in relation to an ambient pressure U, with a pump P that has a pressure side20and an intake side10, where during the generation of an overpressure, the pressure side20is connected to the system S and the intake side10is connected to the ambient pressure by means of at least one first valve MV1, in particular a solenoid valve.According to the invention, means are provided, which can provide an additional cross section for the intake volume flow during the generation of an overpressure.The invention also relates to a valve, which is particularly provided for use with the device according to the invention.

REFERENCES:
patent: 5199853 (1993-04-01), Padden
patent: 5738138 (1998-04-01), Grunert et al.
patent: 6105929 (2000-08-01), Davenport et al.
patent: 6430950 (2002-08-01), Dienhart et al.
patent: 34 00 545 (1984-07-01), None
patent: 198 52 127 (2000-05-01), None
patent: 2 133 585 (1984-07-01), None

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