Submersible motor-driven pump with an anti-frost device
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United States of America Patent
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-
N/A
Issued Date -
Nov 17, 2005
app pub date -
Apr 18, 2005
filing date -
Aug 31, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A submersible motor-driven pump includes a housing having an intake connection and a discharge connection; an impeller mounted in the housing between the intake connection and the discharge connection; and a shaft on which the impeller is mounted, the shaft being supported for rotation in the housing. The shaft extends concentrically into a cylindrical can mounted in the housing form a free space between the shaft and the can. Anti-freeze apparatus is installed in the housing for protecting the shaft.
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