F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
158/74
F23D 17/00 (2006.01)
Patent
CA 1202555
OIL BURNER SHUTTER ABSTRACT An oil burner shutter to block off an oil burner from a wood/coal boiler when not in use having a movable shutter with an aperture therein and means to move said shutter to an open or closed position including means to operate said shutter automatically in conjunction with said oil burner and the boiler's aquastat and damper.
440388
Dulac Robert R.
Macrae & Co.
LandOfFree
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