F - Mech Eng,Light,Heat,Weapons – 23 – L
Patent
F - Mech Eng,Light,Heat,Weapons
23
L
98/46
F23L 17/02 (2006.01) F23L 17/10 (2006.01)
Patent
CA 1134196
CHIMNEY VENTILATING CAP ABSTRACT OF THE DISCLOSURE A chimney ventilating cap for the evacuation of combustion gas from chimneys. The cap comprises a spherical hollow dome body defined by a forward and a rear partly semi-spherical body portion. The front and rear body portions are secured together in a spaced- apart manner to define an opening between their circum- ferential edges. A shield is associated with the opening. A wind governor is secured to the rear body portion. The hollow dome body has a vertical pivot connection secured to an open-ended attachment base whereby the dome body is pivotal on the vertical pivot to rotate on the base by change in wind direction. - 1 -
354553
Swabey Ogilvy Renault
Venmar Inc.
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