Valves and valve actuation – Electrically actuated valve – Including solenoid
Reexamination Certificate
2008-09-09
2008-09-09
Bastianelli, John (Department: 3753)
Valves and valve actuation
Electrically actuated valve
Including solenoid
C251S335200, C251S337000
Reexamination Certificate
active
10468538
ABSTRACT:
A solenoid valve, such as, for example, a tank-vent valve f or tank venting in motor vehicles, includes at least one valve orifice forming a sealing seat, and a valve member, which cooperates with the sealing seat for releasing and closing it, the valve member being stressed by at least one spring element and activated by an electromagnet. An essentially unstressed neutral position of at least one additional spring element, which acts upon the valve member in the activation direction, is provided in which the valve member is set apart from the sealing seat. In this manner, the impact of the valve member on the sealing seat, which may be accompanied by distracting noises and wear, is damped.
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English Language Abstract of JP 2000 320714.
English Language Abstract of DE 199 47 848.
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Krimmer Erwin
Meisiek Achim
Schulz Wolfgang
Bastianelli John
Kenyon & Kenyon LLP
Robert & Bosch GmbH
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