Power plants – Combustion products used as motive fluid – External-combustion engine type
Patent
1977-07-20
1978-12-05
Garrett, Robert E.
Power plants
Combustion products used as motive fluid
External-combustion engine type
415115, 415116, F02C 718
Patent
active
041279883
ABSTRACT:
Gas turbine installation includes a compressor and a gas turbine and has a rotor including rotary parts of the compressor and the gas turbine, the compressor having an air flow path therethrough external to the rotor. The gas turbine installation further includes a system for cooling the parts of the gas turbine including means defining two different air flow paths within the rotor, one of the cooling air flow paths within the rotor branching from the external air flow path at an intermediate stage of the compressor at which the absolute velocity of the air flow into the rotor is relatively low and extending to an axial region of the rotor, and the other of the cooling air flow paths within the rotor branching from the external air flow path at a location downstream from the compressor in flow direction of the external air flow at which the circumferential velocity of the air flow into the rotor is relatively high and extending into a radially outwardly disposed region of the rotor, both of the cooling air flow paths extending mutually concentrically through a nonpartioned chamber in the rotor to the rotary parts of the gas turbine.
REFERENCES:
patent: 3377803 (1968-04-01), Prachar
patent: 3453825 (1969-07-01), May et al.
patent: 3742706 (1973-07-01), Klompas
patent: 4008977 (1977-02-01), Brown et al.
Garrett Robert E.
Kraftwerk Union Aktiengesellschaft
Lerner Herbert L.
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