Pumps – With condition responsive pumped fluid control – Expansible chamber pump distributor operation modified
Reexamination Certificate
2005-12-16
2010-10-26
Freay, Charles G (Department: 3746)
Pumps
With condition responsive pumped fluid control
Expansible chamber pump distributor operation modified
C251S129070, C251S129080
Reexamination Certificate
active
07819637
ABSTRACT:
A flow-metering valve for metering a flow of liquid has a valve member, a stopper and an electromagnetic driving member. The valve member is reciprocally displaceably arranged between a first position and a second position in the liquid chamber. The stopper is arranged at the second position in the liquid chamber. The electromagnetic driving member generates a magnetic attractive force between the valve member and the stopper to hold the valve member at the second position when the electromagnetic driving member is energized.
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Inaguma Yoshitsugu
Inoue Hiroshi
Niwa Yutaka
Oda Kaoru
Ota Nobuo
Comley Alexander B
Denso Corporation
Freay Charles G
Nixon & Vanderhye PC
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