Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Open recirculation from and to blade set
Patent
1993-09-22
1995-04-04
Look, Edward K.
Rotary kinetic fluid motors or pumps
With means for re-entry of working fluid to blade set
Open recirculation from and to blade set
415914, F04D 2928, F04D 2702
Patent
active
054031494
ABSTRACT:
In a compressor, the stabilization device for extending the characteristic map consists of a co-rotating ring (2) rigidly connected to the runner blades (1), there being arranged between the ring (2) and the housing (3) of the compressor a recirculation duct (4) which has an opening to the impeller (5) at its rear end in the flow direction, only the previously customary narrow clearance existing subsequently at the rear end of this opening between impeller (5) and wall of the housing. The front edge of the ring (2) in the flow direction can terminate flush with the inlet edges of the runner blades (1), or be axially displaced.
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patent: 4846629 (1989-07-01), Takigawa
patent: 4930978 (1990-06-01), Khanna et al.
patent: 4930979 (1990-05-01), Fisher et al.
patent: 5275531 (1994-01-01), Roberts
patent: 5304033 (1994-04-01), Tang
"Blower Compressor", Patent Abstracts of Japan, vol. 7, No. 95 (M-209)[1240], Apr. 21, 1983, Jap. Appln. No. 59-18600.
Arnet Daniel
Heinrich Klaus
Asea Brown Boveri Ltd.
Lee Michael S.
Look Edward K.
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