Cooling system for a rotary vane pumping machine
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United States of America Patent
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-
Jun 5, 2001
Issued Date -
N/A
app pub date -
May 19, 2000
filing date -
Nov 4, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotor and stator cooling system for a rotary vane pumping machine having two end plates, a stator assembly, and a rotor. A rotor cooling gas supplied at a cooling gas supply channel in an end plate passes from a radial inner location, along a rotor face chamber of the rotor in an outward radial direction, and then toward a plurality of rotor gas channels in the rotor. The rotor cooling gas absorbs heat from the rotor and then exits through a heated gas exit channel in another endplate. A stator cooling fluid entering at a cooling fluid port in one end plate passes through stator fluid channels of the stator assembly, absorbs heat therein, and exits at another fluid port in the other endplate.
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