Automatic temperature and humidity regulation – Ventilator type – Electrically actuated
Reexamination Certificate
2005-07-01
2009-02-10
Norman, Marc E (Department: 3744)
Automatic temperature and humidity regulation
Ventilator type
Electrically actuated
C062S186000, C454S152000, C454S278000
Reexamination Certificate
active
07487922
ABSTRACT:
A small windmill is provided upstream of a damper in an air duct. When air flows in the duct it rotates the windmill. The windmill shaft is connected by a cable to the damper operator through a transmission means, such that, as the shaft turns, it takes-up the cable an opens the damper.
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patent: 4311435 (1982-01-01), Bergero
patent: 4446418 (1984-05-01), Richardson
patent: 4501389 (1985-02-01), Kolt
patent: 4527072 (1985-07-01), van Degeer
patent: 5117143 (1992-05-01), Iddings
patent: 55014941 (1980-02-01), None
patent: 01127846 (1989-05-01), None
Gore Gregory J.
Norman Marc E
OmniWind Energy Systems LLC
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