F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 13/10 (2006.01) F24F 11/053 (2006.01) F24F 13/08 (2006.01) F24F 13/12 (2006.01)
Patent
CA 2295891
An air grating where the air flow is controlled by a grid movable between OPEN and CLOSED positions. Control means acts when the movable grid arrives at either a warm or a cool limiting position. The arrival at a limiting position prepares said moving means for movement at the other limiting position when a later thermostat signal is received.
Park Chan-Woo
Smart & Biggar
LandOfFree
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