Rotary kinetic fluid motors or pumps – Method of operation
Patent
1982-04-22
1984-10-30
Powell, Jr., Everette A.
Rotary kinetic fluid motors or pumps
Method of operation
415DIG1, 415119, 415144, F04D 1710, F04D 2968
Patent
active
044797559
ABSTRACT:
Acoustically sized bleed passages are provided in the shroud wall of a rotary compressor to admit expansion waves to the suction-sides of successive passing blades to control the boundary layer. The expansion waves are generated by reflecting compression waves formed in the passages by the pressure sides of passing blades. The passages are oriented to receive high pressure bleed gas at maximum gas particle velocity, and the passages are configured to diffuse the gas to increase static bleed pressure.
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A S Kongsberg Vapenfabrikk
Powell Jr. Everette A.
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