Air ventilation apparatus for flight helmet

Details Air ventilation apparatus for flight helmet Air ventilation apparatus for flight helmet

1976-08-31

1978-06-20

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

128142R, 21713, A42B 300, A42C 504

Patent

active

040952894

ABSTRACT:
An air ventilation apparatus for a flight helmet having a member secured to the helmet and having portion spaced from the helmet to form a plenum chamber and exit nozzle. The exit nozzle is positioned to provide an air flow between the face of the user and the helmet visor. An air inlet is provided on the member, secured to the helmet, for supplying air to the plenum chamber. Spacers are provided between the helmet face mask assembly and the helmet to fit the visor assembly to the helmet when the plenum chamber is attached to the helmet.

REFERENCES:
patent: 2813271 (1957-11-01), Finken
patent: 3223086 (1965-12-01), Denton
patent: 3748657 (1973-07-01), Aileo
patent: 3833935 (1974-09-01), Ansite et al.
patent: 3963021 (1976-06-01), Bancroft

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