UREA SOLUTION PUMP STRUCTURE
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United States of America Patent
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-
N/A
Issued Date -
May 2, 2013
app pub date -
Jul 25, 2012
filing date -
Nov 2, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A urea solution pump structure may include a housing portion connected to an external connector and covering an upper portion of the pump structure, a motor portion disposed at a lower portion of the housing portion and including a rotor and a stator, a case portion receiving the motor portion therein, and a pump portion disposed at a lower portion of the case portion and fluid-isolated from the motor portion, wherein the pump portion may be formed with an inlet and an outlet for a fluid, wherein a hollow cover may be provided at a lower portion of the case portion for separating the pump portion and the motor portion, and an oil seal unit may be mounted at a lower portion of the hollow cover for sealing a rotating shaft of the rotor which penetrates through the hollow cover.
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