Diverter valve

Details Diverter valve Diverter valve

1990-07-25

1992-07-14

Bertsch, Richard A.

Power plants

Reaction motor

Interrelated reaction motors

60 3907, 251304, F02K 302

Patent

active

051292254

ABSTRACT:
In a tandem fan gas turbine engine two fan compressor stages are provided connected by a flow duct housing a diverter valve which can be used to admit the flow from the first fan to the second fan or to divert it to exhaust through an auxiliary outlet in which case the second fan draws ambient air in through an auxiliary inlet. The connecting duct is annular in cross section because an inner cylindrical wall surrounds the shaft driving the front fan. The diverter valve which therefore has to operate in the annular duct comprises a pair of flat side lobes connected by curved plates which straddle the inner wall. The valve is operated by a rotary actuator in synchronism with closure means which obstruct or open the auxiliary outlet and inlet.

REFERENCES:
patent: 3779282 (1973-12-01), Klees
patent: 3841091 (1974-10-01), Sargisson et al.
patent: 4033119 (1977-07-01), Nichols
patent: 4038818 (1977-08-01), Snell
patent: 4060981 (1977-12-01), Hampton
patent: 4712370 (1987-12-01), MacGee
patent: 4782659 (1988-11-01), Lewis et al.

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