Single Motor Multiple Pumps
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Feb 10, 2011
app pub date -
Aug 5, 2010
filing date -
Aug 5, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A motorized pump assembly including a motor having a rotatable shaft, at least a first pump having a first impeller and a second pump having a second impeller, wherein the first pump and the second pump are connected to the motor through a rotatable shaft, and wherein the first impeller of the first pump is independently operable from the second impeller of the second pump. The first pump includes a first one-way bearing operatively driven by the rotatable shaft when the rotatable shaft is rotated in a first direction, while the second pump includes a second one-way bearing operatively driven by the rotatable shaft when the rotatable shaft is rotated in a second direction, wherein the second pump and the second one-way bearing are not operatively driven by the rotatable shaft when the rotatable shaft is rotated in the first direction, and wherein the first pump and the first one-way bearing are not operatively driven by the rotatable shaft when the rotatable shaft is rotated in the second direction. A method of dispensing multiple fluids is also described.
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