Rotary kinetic fluid motors or pumps – Axially opposed working fluid paths to or from runner – Pump impeller means
Patent
1988-10-26
1990-05-29
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
Axially opposed working fluid paths to or from runner
Pump impeller means
415 93, F01D 302
Patent
active
049291491
ABSTRACT:
A gas blower comprises a generally cylindrical housing containing a generally annular radially symmetric impeller chamber and a generally annular and generally radially symmetric plenum chamber. The housing has a gas inlet opening to the impeller chamber and a gas outlet opening from the plenum chamber. The radially outer portion of the impeller chambers in fluid communication with the radially outer portion of the plenum chamber. The blower further comprises a rotatable drive shaft extending axially within at least a portion of the housing and an impeller mounted on the drive shaft for rotation within the impeller chamber. The impeller is mounted for a generally axially intake of gas from the inlet opening and a generally centrifugal radially symmetric exhaust of the gas within the axial component in the axial direction opposite to the direct of the gas intake. Thus, the axial component of force with the gas exhausted from the impeller is opposite the axial component of force of the gas intake to the impeller. In one embodiment, the blower comprises a pair of individual blowers including a common housing and a pair of opposed, axially spaced impellers. This dual, inline opposed and balanced gas blower possesses minimum end thrust during operation. A novel arrangement permits expeditious removal of the bearings from the blower without requiring disassembly of the entire blower.
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patent: 4563124 (1986-01-01), Eskew
Garrett Robert E.
Kwon John T.
Superstream, Inc.
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