Nose cowl for a turbojet engine shaft

Details Nose cowl for a turbojet engine shaft Nose cowl for a turbojet engine shaft

1988-10-05

1989-09-05

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

Support mounting, carrier or fairing structure

Spinner or fairwater cap

415175, 60 39093, F04D 2958

Patent

active

048633542

ABSTRACT:
A nose cowl or spinner is provided for a fixed, non-rotatable central hub of a turbojet engine having assembly means that facilitate the attachment and detachment of the nose cowl to the central hub, and provides a readily visible indication of whether or not the nose cowl has been properly assembled to the hub. The nose cowl has a smooth outer surface to provide undisturbed air flow into the turbojet engine compressor and defines means to circulate heated air to prevent icing of the external surface. An inner cowl member is attached to a bearing cover of the central hub in a non-rotatable manner, an outer cowl member is axially locked to the central hub so as to be concentrally arranged about the inner cowl member, and a locking device is used to lock the inner and outer cowl members together to prevent inadvertent rotation of the outer cowl member.

REFERENCES:
patent: 3420311 (1969-01-01), Davies et al.
patent: 3925979 (1975-12-01), Ziegler
patent: 4546604 (1985-10-01), Moore et al.
patent: 4755103 (1988-07-01), Streifinger

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