F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
98/29
F24F 13/10 (2006.01) F24F 11/04 (2006.01) F24F 11/053 (2006.01) F24F 13/14 (2006.01)
Patent
CA 1125566
CANADIAN PATENT APPLICATION OF OLOV RAGNAR LENNART ERIKSSON FOR APPARATUS HAVING A TEMPERATURE SENSITIVE ELEMENT FOR CONTROLLING A DAMPER IN A VENTILATION SYSTEM. Abstract of the Disclosure This invention relates to a ventilation system for buildings and comprises for use at a venting duct outlet (opening into the outdoor atmosphere or into a room) a movable duct closing means and a temperature sensing means which is connected to operate said duct closing means and is mounted to be exposed to effects of prevailing air temperature and wind conditions in the atmosphere outside the venting duct (outdoor temperature and wind force) as well as to indoor temperature and, as the case may be, indoor air flows to be actuated thereby and accordingly to operate the venting duct closing means, whereby the sensing means will operate so as to gradually close or open the venting duct closing means in dependence on the com- bined effects of outdoor wind force and outdoor and indoor tem- perature and, as the case may be, the rate of air flow of indoor temperature in the vicinity of the temperature sensing means. The invention is an improvement of the invention disclosed and claimed in application No. 253,266 filed May 25, 1976.
302759
Gowling Lafleur Henderson Llp
Tekno Term Systems Ab.
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