Heating pump for liquids
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United States of America Patent
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May 20, 2014
Grant Date -
Oct 28, 2010
app pub date -
Jul 8, 2010
filing date -
Jan 9, 2008
priority date (Note) -
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Abstract
A liquid pump that includes a cylinder (2), an inlet valve (4) for feeding liquid into the cylinder, and a discharge valve (5) for discharging the liquid out of the cylinder. The liquid pump also includes a piston (3) sliding in said cylinder so as to draw said liquid into said cylinder and to expel the same outside the cylinder. Additionally, the liquid pump includes an electric circuit (7) for heating the cylinder, with at least one resistor (70, 71) for electrically heating the liquid in the cylinder. The resistor (70, 71) may be made in the form of an electrically conducting thin track deposited on or in the wall (20) of the cylinder (2). The heating may be initiated before the introduction of the liquid into the cylinder, and interrupted before the full discharge of the liquid out of the cylinder.
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