Arrangement in ram air turbines

Details Arrangement in ram air turbines Arrangement in ram air turbines

1978-11-01

1981-05-19

Walsh, Donald P.

Ammunition and explosives

Igniting devices and systems

Ignition or detonation circuit

244 53B, 244 58, F42C 1100

Patent

active

042677750

ABSTRACT:
The nose portion of a missile having a ram air turbine for driving an electric generator for supplying electric power to the electric circuits of the missile, especially of its fuse, is designed in a special manner in order to provide, at high missile speeds, a throttling of the air flow, whereby the speed of rotation of the turbine may be kept within reasonable limits. Thus, the air inlet is divided in a plurality of inlet ducts arranged as a wreath around the foward end of the missile. Further, the outlet openings are forwardly directed and co-operate with the shock waves from the acute forward end of the missile and from an annular edge surrounding the wreath of inlets but lying radially inside the outlet openings.

REFERENCES:
patent: 2468120 (1949-04-01), Senn
patent: 2939017 (1960-05-01), Teague
patent: 3624751 (1971-11-01), Dettling
patent: 3826193 (1974-07-01), Rognmo
patent: 4002123 (1977-01-01), Fisher
patent: 4161371 (1979-07-01), Sheppa

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