Fluid reaction surfaces (i.e. – impellers) – Plural impellers having relative movement or independent... – Coaxial rotation
Patent
1998-03-25
2000-07-04
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
Plural impellers having relative movement or independent...
Coaxial rotation
416124, 416130, 416170R, 415 68, 60 39162, F02C 300
Patent
active
060829672
ABSTRACT:
A constant-speed twin spool turboprop unit including a twin spool gas generator having a low-pressure spool and a high-pressure spool each including a compressor and a turbine which drives the compressor, is described in which at least one propeller of the unit is driven by at least the high-pressure spool of the gas generator.
REFERENCES:
patent: 4738590 (1988-04-01), Butler
patent: 4751816 (1988-06-01), Perry
Look Edward K.
Societe Nationale d'Etude et de Construction de Moteurs d'Aviati
Woo Richard
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