Heating systems – Miscellaneous – Special liquid
Patent
1997-05-27
1999-03-30
Doerrler, William
Heating systems
Miscellaneous
Special liquid
237 46, 416 62, 55467, F24F 700, B01D 1900, B63H 100
Patent
active
058877851
ABSTRACT:
The present invention improves both the quality and the flow of air delivered by a ceiling fan. Ceiling fans provide limited indoor air flow, but do not function as air quality improvement apparatus. The present invention provides all ceiling fans with an ability to increase indoor air quality where they operate. One or a combination of a physical/chemical filter, an electrostatic particulate matter remover, a heating unit, and a secondary multidirectional fan provide consumers with air quality improvement options for ceiling fans to fulfill their specific needs for a given area.
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patent: 5562412 (1996-10-01), Antonelli
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Doerrler William
Johnson Merrill N.
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