Air flow control device, in particular for a heating and/or air

Details Air flow control device, in particular for a heating and/or air Air flow control device, in particular for a heating and/or air

1997-03-26

1999-08-03

Joyce, Harold

Ventilation

Vehicle

251901, 454156, B60H 124

Patent

active

059317337

ABSTRACT:
An air flow control device is of the film obturator type, and is in the form of an independent module comprising a support frame on which two rollers are mounted for rotation. A film or blind, having open regions and closed regions for selectively controlling the flow of a stream of air, is wound on the rollers. The support frame comprises a guide frame which lies between the two rollers, for guiding the film and for contact with the film; and a press frame is arranged in facing relationship with the guide frame. The press frame carries springs for pressing the film against the guide frame.

REFERENCES:
patent: 2989076 (1961-06-01), Rohmann
patent: 5105730 (1992-04-01), Smith
patent: 5243830 (1993-09-01), Ito et al.
French Search Report dated Jan. 1, 1997.

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