Metering pump device for a vehicle heater
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United States of America Patent
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Jan 29, 2008
Grant Date -
Mar 3, 2005
app pub date -
Jan 13, 2004
filing date -
Jan 14, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A metering pump device for a vehicle heater includes an inlet chamber, an outlet chamber, a first valve arrangement between the inlet chamber and the outlet chamber, which permits a fluid exchange substantially only from the inlet chamber to the outlet chamber, a displacement piston element, which in a first piston position minimizes the volume of the inlet chamber and in a second piston position minimizes the volume of the outlet chamber.
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Family
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