Automatic temperature and humidity regulation – Thermostatic – In fluid controlled
Patent
1976-06-08
1978-01-31
Wayner, William E.
Automatic temperature and humidity regulation
Thermostatic
In fluid controlled
236 99G, G05D 23275
Patent
active
040711900
ABSTRACT:
A thermostatically controlled damper is provided for an attic vent pipe having a single piece pivoted damper plate moved from substantially a horizontal to substantially a vertical position by a movable mechanism contacting the plate at an acute angle to both the open and closed plate positions.
REFERENCES:
patent: 3801078 (1974-04-01), Denton
Brown Laurence R.
Wayner William E.
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