Method and apparatus for the control of air flows and pressures in air-conditioning
CA 1324256 C · Owner: Paananen, Tapio · Inventors: Laine, Juhani; Nyman, Mikko; Paananen, Tapio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
57)Abstract, The invention relates to a method and apparatus for controlling the fresh-air, input-air, exhaust-air waste-air, and return-air flows, as well as the air pressure in the input-air duct and the air pressure in the exhaust-air duct, in an air-conditioning system which comprises at least input-air and waste-air flow meters (6 20), input-, air and exhaust-air pressure meters (12 19), an input-air, fan (5) with its air-flow control (13) a waste-air or, exhaust-air fan (18) with its air-flow control (14) a, fresh-air flow meter (15), a heat recovery exchanger (4) closing and control mechanisms for exhaust air and return air, coupled together as an outlet-air mechanism (10) and, …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted November 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 16, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.