Power plants – Reaction motor – Turborocket
Patent
1992-05-28
1994-05-24
Bertsch, Richard A.
Power plants
Reaction motor
Turborocket
60 395, 60269, F02K 500
Patent
active
053137892
ABSTRACT:
A low noise power plant (100) for providing thrust to a missile (102) having a solid fuel propellant (104) for generating a pressurized gas. A turbine (106) converts the pressurized gas to rotary motion and a drive shaft (108) transfers the rotary motion to a load (110). In a preferred embodiment, the power plant (100) is utilized to drive a projectile (102). A solid fuel stick (104) located within a combustion chamber (112) is ignited and burned to provide pressurized gas which is directed to the turbine (106) via an exhaust tube (114). The pressurized gas is at a relatively low pressure and volume which minimizes the generation of noise. The turbine (106) and the drive shaft (108) are each rotated by the pressurized gas. The gases expelled from the turbine (106) are near atmospheric pressure which further minimizes the generation of noise. The power of the rotating drive shaft (108) can be converted to useful power by a speed reduction gearbox (140). An output drive shaft (142) is employed to rotate a load such as a fan type propeller (110). The rotating fan type propeller (110) compresses air for generating the thrust of the power plant (100). The compressed air is a mixture of turbine exhaust gases and ambient air which reduces the heat content and thus, the detectability of the projectile (102) by infrared devices.
REFERENCES:
patent: 2985104 (1961-05-01), Fox
patent: 4096803 (1978-06-01), Kesting
patent: 4876851 (1989-10-01), Mueller
patent: 5063735 (1991-11-01), Colgren et al.
Bertsch Richard A.
Denson-Low Wanda K.
Hughes Aircraft Company
Wicker W. J.
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