Vehicle sidewall air distribution duct with inflatable gasket

Details Vehicle sidewall air distribution duct with inflatable gasket Vehicle sidewall air distribution duct with inflatable gasket

1995-05-15

1996-11-19

Fox, John C.

Valves and valve actuation

Fluid actuated or retarded

Flexible wall expansible chamber reciprocating valve actuator

454108, F16K 710

Patent

active

055754538

ABSTRACT:
The present invention relates to a shutter device for shutting off a distribution duct, said device being wherein it is composed of at least one longitudinally-extending means that is/are inflatable. The present invention also relates to use of longitudinally-extending inflatable means to constitute a shutter device. The present invention also relates to a ventilation and air-conditioning installation including such a shutter device.

REFERENCES:
patent: 2874925 (1959-02-01), Stafford
patent: 2984448 (1961-05-01), Koplin
patent: 4135698 (1979-01-01), Thate et al.
patent: 4399739 (1983-08-01), Dean
patent: 4706738 (1987-11-01), Heimbrodt et al.

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