F - Mech Eng,Light,Heat,Weapons – 23 – N
Patent
F - Mech Eng,Light,Heat,Weapons
23
N
158/143, 126/30
F23N 3/00 (2006.01)
Patent
CA 1148428
ABSTRACT OF THE DISCLOSURE A shut-off system for installation in the exhaust gas or air inlet conduit of oil and gas fire and furnace systems. The system has a pivoted closure flap mounted within the conduit, with a weight connected by a lever to the flap to help control its movement between open and closed positions.
359916
Eppinger Maria
Eppinger Otto
Eppinger Maria
Eppinger Otto
Fetherstonhaugh & Co.
LandOfFree
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