VANE-TYPE PUMP AND HEAT RECOVERY DEVICE
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United States of America Patent
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Issued Date -
Aug 13, 2015
app pub date -
Oct 29, 2013
filing date -
Nov 26, 2012
priority date (Note) -
Abandoned
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Abstract
A vane-type pump includes a housing and a rotatable rotor having a plurality of slots within which displaceable vanes are disposed. The rotor is disposed in a pump chamber formed in the housing such that delivery cells of variable volume are formed between adjacent vanes. The pump chamber defined by a pair of side walls laterally adjoining the rotor and the vanes, a stroke contour formed between the side walls and having an inner face against which the vanes bear during rotation of the rotor, and a pair of openings one of which serves for charging the delivery cells with a liquid medium and the other of which serves for discharging the pressurized medium.
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