Rotary kinetic fluid motors or pumps – With diversely oriented inlet or additional inlet for...
Patent
1996-06-20
1997-06-17
Kwon, John T.
Rotary kinetic fluid motors or pumps
With diversely oriented inlet or additional inlet for...
F01D 514
Patent
active
056392095
ABSTRACT:
In a rotor (1) for thermal turbomachines, in particular a compressor part (2), center part (3) and turbine part (4) arranged on one shaft, the rotor (1) mainly consisting of individual rotary bodies welded to one another, the geometrical form of which leads to the formation of axially symmetrical hollow spaces (5) between the respectively adjacent rotary bodies, there are provided a further, cylindrical hollow space (7) extending around the center axis (6) of the rotor (1) and reaching from the downstream end of the rotor (1) up to the last hollow space (5h) upstream and at least two tubes (8, 9) having different diameters and lengths from one another, which tubes (8, 9) overlap at least partly and are placed in the cylindrical hollow space (7), in which arrangement the tubes (8, 9) are each firmly anchored to at least one fixed point and the fixed points of the tubes (8, 9) lie at axially different locations. The tubes (8, 9) are each provided with at least two through-openings (13) in the circumference, at least one opening (13) being arranged in the turbine part (4) and at least one opening (13) being arranged in the compressor part (2) or center part (3), and the openings (13) in the different tubes (8, 9) overlapping in the turbine part (4) in the hot operating state, whereas they overlap in the compressor part (2) and center part (3) in the cold state.
REFERENCES:
patent: 4795307 (1989-01-01), Liebl
patent: 5020932 (1991-06-01), Boyd
patent: 5054996 (1991-10-01), Carreno
patent: 5271711 (1993-12-01), McGreehan et al.
Pollini Claudio
Strizenou Cornelis
Asea Brown Boveri AG
Kwon John T.
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