Valves and valve actuation – Valve
Reexamination Certificate
2007-10-09
2007-10-09
Huson, Gregory (Department: 3753)
Valves and valve actuation
Valve
C138S027000
Reexamination Certificate
active
10181623
ABSTRACT:
A valve device for metering a fluid for metering a urea-water solution for the aftertreatment of exhaust gases from internal combustion engines, which contains elements that flex or are compressed under high pressure so that the volume of the working chamber can change in order to limit high pressures, which arise in the event of a phase change of the fluid to be metered, to a non-damaging intensity.
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patent: 660382 (1900-10-01), Lambert
patent: 4784173 (1988-11-01), Carney
patent: 6062531 (2000-05-01), Rapp et al.
patent: 6311948 (2001-11-01), Weaver
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patent: 20000-27627 (2000-01-01), None
patent: 20000-74243 (2000-03-01), None
patent: WO 00/21881 (2000-04-01), None
Huber Sven
Mayer Hanspeter
Moell, legal representative Brigitte
Moell, legal representative Helmut
Mueller Gerhard
Greigg Ronald E.
Huson Gregory
Lee Cloud
Robert & Bosch GmbH
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