Fan for a gas turbine engine air intake

Details Fan for a gas turbine engine air intake Fan for a gas turbine engine air intake

1992-08-04

1993-07-06

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Support mounting, carrier or fairing structure

Spinner or fairwater cap

4152181, 4152191, B64C 1114

Patent

active

052248330

ABSTRACT:
A ducted fan gas turbine engine spinner is so configured so as to be generally outwardly flared at its downstream end. The flared portion provides a decrease in the local axial velocity of the air flow over the spinner. This in turn leads to the reduction or elimination of choking in the radially inner region of the fan of the engine.

REFERENCES:
patent: 2741454 (1956-04-01), Eppley
patent: 3765623 (1973-10-01), Donelson et al.
patent: 4129984 (1978-12-01), Nelson
patent: 4220171 (1980-09-01), Ruehr et al.
patent: 4308718 (1981-01-01), Mowill
patent: 4419053 (1983-12-01), Swearinger, Jr.
patent: 4458863 (1984-07-01), Smith
patent: 4699568 (1987-10-01), Harlamert et al.
patent: 4790725 (1988-12-01), Bousquet et al.
B. H. Little, Jr., "Propulsion System Installation Design for High-Speed Prop-Fans", Journal of Aircraft, vol. 20 (1983) No. 5, pp. 411-417.
Teorija vozdushno-reaktivnyh dvigatelej, edited by S. M. Shljahtenko, m. mashinostroenie, 1974, p. 64.
G. S. Skubacevskij: Avicionnye gasoturbinnye dvigateli Konstrukcija-i- rascet detalej. M. Mashinostroenie, 1969, p. 7.

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