Automatic damper device

Details Automatic damper device Automatic damper device

1982-04-21

1984-03-20

Tapolcai, Jr., William E.

Automatic temperature and humidity regulation

Ventilator type

406 12, 414301, F24F 1310

Patent

active

044376090

ABSTRACT:
The damper device of the invention comprises a paddle wheel (2) adapted to allow, by its rotation, the air streaming through the duct (1) wherein the device is mounted. A thermostat (14) senses the temperature in an area immediately upstream the paddle wheel and is adapted to affect a paddle wheel braking device in such a manner that the braking device is caused to brake the paddle wheel to a lesser extent in proportion to the rise of temperature in said area.

REFERENCES:
patent: 1070470 (1913-08-01), Hixon et al.
patent: 2666671 (1954-01-01), Kimmerle
patent: 2998161 (1961-08-01), Quincan
patent: 3028927 (1962-04-01), Florio
patent: 3250406 (1966-05-01), Long et al.
patent: 4023708 (1977-05-01), Fornasari
patent: 4106670 (1978-08-01), Takeda
patent: 4180188 (1979-12-01), Aonuma et al.

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