Fluid sprinkling – spraying – and diffusing – Reaction motor discharge nozzle – With means controlling amount – shape or direction of...
Patent
1983-10-27
1986-06-03
Marbert, James B.
Fluid sprinkling, spraying, and diffusing
Reaction motor discharge nozzle
With means controlling amount, shape or direction of...
60240, 60242, F02K 150
Patent
active
045925089
ABSTRACT:
A plug (24) has a fixed portion (26, 28) and a sliding portion (34). A tapered outer surface of portion (34) is adjacent to the throat (22) of a jet engine nozzle (20). Portion (34) includes two expansible chambers (36, 38) which are both defined by wall portions of both the fixed and the sliding portions of plug (24). Chambers (36, 38) are separated by a bulkhead (48) carried by said fixed portion. Chambers (36, 38) are supplied with fluid pressure which acts against a pressure surface (40, 42) to move sliding portion (34) axially forwardly and aftwardly, respectively, to in turn vary the throat area. Bleed air from the engine compressor supplies the fluid pressure. Fluid pressure is continuously supplied to chamber (38). Controlled leakage out of chamber (36) provides gradual slowing of movement of portion (34) in either direction. Control apparatus is located remotely from the nozzle (20).
REFERENCES:
patent: 2402363 (1946-06-01), Bradbury
patent: 2540594 (1951-02-01), Price
patent: 2563745 (1951-08-01), Price
patent: 2857119 (1958-10-01), Morguloff
patent: 3552873 (1971-01-01), Ghougasian
patent: 3650110 (1972-03-01), Ghougasian
patent: 3807639 (1974-04-01), Soligny et al.
patent: 3810360 (1974-05-01), Leibach
Marbert James B.
Pauly Joan H.
The Boeing Company
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