Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Patent
1986-11-19
1987-11-10
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
60726, 415 98, F02C 704, F02C 720
Patent
active
047048611
ABSTRACT:
A gas generator having a double entry low pressure centrifugal compressor, a single entry high pressure centrifugal compressor and a radial inflow turbine positioned coaxially and coupled for interdependent rotation by a single shaft assembly for the double entry compressor mounted to the generator frame using a plurality of rigid hollow cross-over ducts which also carry diffused compressed air to the high pressure compressor, where the single shaft assembly uses two shaft portions connected by an expansible coupling having a helical spline torque transmitting device to allow the double entry compressor rotor to "follow" compressor housing axial position changer and to maintain a close running clearance despite thermal expansion in the structure between the low pressure (LP) and high pressure (HP) compressor portions of the gas generator.
REFERENCES:
patent: 2432359 (1947-12-01), Streid
patent: 2438426 (1948-03-01), Whittle
patent: 2648491 (1953-08-01), Wood
patent: 2695499 (1954-11-01), Walker
patent: 3163003 (1964-12-01), Paul et al.
patent: 3625003 (1971-12-01), Liddle et al.
patent: 3706509 (1972-12-01), Britt
A S Kongsberg Vapenfabrikk
Casaregola Louis J.
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