Fireplace forced air circulation means
AssigneeAquappliances, Inc.
InventorsWilliam M. Kampf, Denny B. Law
Life of this patent
Estimating the term…
Abstract
Forced hot air circulation is provided for a fireplace by a unit that can be "pushed" into place including a bank of lower tubes that are positioned in the firebox and provide a grate and including an outer housing lapping the margins of the firebox opening and having a lower manifold that feeds the forward ends of the lower tubes and having an upper register that connects to the forward ends of a bank of upper tubes. The lower tubes bend upwardly and are connected by a manifold to the upper tubes. The upper tubes are smaller and more numerous than the lower tubes and are arranged so that gas rising past the upper tubes must follow tortuous paths. Blowers are connected to the lower manifold.
Claims7
Forced hot air circulation means to be installed in a room having a convention fireplace of the type having a firebox, having a hearth extending from inside the firebox to an outside hearth area in front of and wider than said firebox to extend to each side of said firebox, and having facings above and to the sides of said firebox, comprising:
- a. a generally box-shaped sheet metal outer housing resting on said outside hearth area in front of said firebox and lapping at least the margins of said facings above said firebox and said facings to the sides of said firebox,
- b. said housing having sidewalls aligned with and disposed in vertical planes normal to said facings to the sides of said firebox,
- c. said housing having means supported between said sidewalls in the upper portion of said housing including a chamber located at least mostly outside of said firebox with air outlet means at its front to exhaust air into said room,
- d. said housing having means supported between said sidewalls in the lower portion of said housing including an air ingress manifold located at least mostly outside of said firebox, and at least one blower located outside of said firebox having an inlet for room air and exhausting into said air ingress manifold,
- e. said housing having an open central housing portion in front of said firebox and located between said chamber and said manifold and between said sidewalls and providing access to and viewing of said firebox, and
- f. spaced, juxtaposed tubular means connected to said housing and including first lower generally horizontally disposed tubular portions connected to said manifold at their forward ends to receive air therefrom and extending rearwardly into said firebox defining a grate, second air transferring means connecting to the rear ends of said first tubular portions and extending upwardly to the upper portion of said firebox, and third upper tubular portions connecting to the upper end of said second air transferring means and extending forwardly and connecting to the rear of said chamber for exhausting of air to said room, thereby delivering a flow of heated air when a fire burns in said firebox.
Forced hot air circulation means to be installed in a room having a conventional fireplace of the type having a firebox, having a hearth extending from inside the firebox to an outside hearth area in front of and wider than said firebox to extend to each side of said firebox, and having facings above and to the sides of said firebox, comprising:
- a. a sheet metal outer housing of substantial depth resting on said outside hearth area in front of said firebox and at least mostly outside of said firebox, and at least meeting the margins of said facings above said firebox and said facings to the sides of said firebox, said housing being self-supporting without attachment to said fireplace and being installed by sliding into place,
- b. said housing having outside of said firebox an upper wall extending from side to side of said housing and sidewalls extending from top to bottom of said housing and air outlet means located under said upper wall and between said sidewalls in the upper portion of said housing to exhaust air into said room,
- c. said housing having means supported between said sidewalls in the lower portion of said housing including an air ingress manifold, and at least one blower located outside of said firebox having an inlet for room air and exhausting into said air ingress manifold,
- d. said housing having an open central housing portion in front of said firebox and located between said air outlet means and said manifold and between said sidewalls and providing access to and viewing of said firebox, and
- e. spaced, juxtaposed tubular means connected to said housing and including first lower generally horizontally disposed tubular portions connected to said manifold at their forward ends to receive air therefrom and extending rearwardly into said firebox defining a grate, send air transferring means connecting to the rear ends of said first tubular portions and extending upwardly to the upper portion of said firebox, and third upper tubular portions connecting to the upper end of said second air transferring means and extending forwardly and connecting to said air outlet means for exhausting of air to said room, thereby delivering a flow of heated air when a fire burns in said firebox.
Dependencies are inferred from the claim text.