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A combination damper and chimney cap apparatus is provided to ventilate a fireplace and a flue connected thereto to provide a draft through the flue. The apparatus includes a platform constructed and arranged to be removably mounted to the flue and formed with an aperture extending therethrough in c

A combination damper and chimney cap apparatus is provided to ventilate a fireplace and a flue connected thereto to provide a draft through the flue. The apparatus includes a platform constructed and arranged to be removably mounted to the flue and formed with an aperture extending therethrough in communication with the flue. An element senses temperature-smoke at the flue and at an area external to a fireplace connected to the flue to provide a signal in response to the temperature-smoke. A ventilation fan is connected to the a support to provide a draft sufficient to exhaust the smoke from the fireplace and the flue and to cool a electronic motor for the apparatus.

대표청구항 ▼

A damper apparatus for a flue of a chimney, comprising: support means, comprising; a sidewall constructed and arranged to be removably mounted to the chimney and to define an aperture which extends through the support means for communication with the flue, regulating means mounted to the support mea

A damper apparatus for a flue of a chimney, comprising: support means, comprising; a sidewall constructed and arranged to be removably mounted to the chimney and to define an aperture which extends through the support means for communication with the flue, regulating means mounted to the support means to regulate the flow of a draft through the aperture and the flue; drive means mounted to the support means and coupled to the regulating means to move the regulating means to a position with respect to the aperture; and ventilating means associated with the support means and disposed external to the aperture of the sidewall to displace air near the aperture to ventilate the drive means.