Method of ventilating rooms
CA 1263052 C · Owner: A/S Norsk Viftefabrikk · Inventors: Eriksson, Mats
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of the invention, In a method of ventilating rooms fresh air is introduced into the room at one or several places at floor level by means of diffuse air supply and the, room air is exhausted at the ceiling level of the room. One or several jets of fresh air (2a 2b) are blown at, high velocity into an induction chamber (4) thereby sucking surrounding air (3) into the induction chamber and becoming mixed therein with the surrounding air sucked into the induction chamber. The mixed air from the induction chamber (4) is introduced essentially horizontally into the room to be ventilated. Into the induction chamber (4) surrounding air is sucked in which consists of air (3) from the room to be …
Read the whole patent
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 21, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 21, 2006.
- 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.