Patent ID: 6029655
Filing Date: 2000-02-29
Classification: F23J,F24B,F24C

Abstract:
A module gas fireplace insert for inserting into an existing solid fuel burning fireplace having an existing solid fuel burning fireplace chimney comprising a housing for forming a combustion chamber having walls including a rear wall and an upper wall, the rear wall having an air inlet opening therein and the upper wall having an exhaust outlet opening therein;an intake air duct module, the duct module including a first duct section extending along the rear wall and a unitary second duct section extending along the upper wall, the first and second sections of the duct module having an internal duct passageway, an air outlet opening in the first section of the duct module that aligns the air inlet opening in the rear wall of the housing, and including a connecting sleeve fixedly mounted on a top wall of the second duct section for a fresh air intake open to the duct passageway, and an exhaust connector sleeve fixedly mounted on the second duct section of the duct module and passing through the duct passageway, the exhaust connector sleeve aligning with the exhaust outlet opening in the upper wall of the housing, the duct module, including the connecting sleeve and the exhaust connector sleeve, being removable as a unit from the housing, connecting to mounted to extend through the existing solid fuel fireplace chimney into the existing solid fuel fireplace and connected to the connection sleeve and exhaust connector sleeve, respectively, with the duct module removed from the housing, and the duct module and connected fresh air and exhaust pipes being attached to the housing while the housing is in the solid fuel burning fireplace.