FLUID PUMP MECHANICAL SEAL
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United States of America Patent
Stats
-
N/A
Issued Date -
Aug 23, 2012
app pub date -
Feb 16, 2012
filing date -
Feb 17, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A fluid pump having a pump motor, pump housing, and pump seal enclosure disposed between the pump motor and the pump housing. A pump drive shaft is rotatably driven by the pump motor and extends through the pump seal enclosure and a drive shafting opening into a pumping chamber of the pump housing. A drive shaft seal assembly is disposed within the pump seal enclosure and includes a spring seat, rotary ring, stationary ring, and compressible spring each disposed coaxially with the drive shaft. The spring seat includes a first alignment mechanism and the rotary ring includes a second alignment mechanism for engaging the first alignment mechanism. The stationary ring is fastened to the pump seal enclosure adjacent the drive shaft opening, and the compressible spring biases the rotary ring against the stationary ring.
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