Process for secondary recovery |
| OF THE INVENTION Prior to practicing the process of this invention it is sometimes desirable to ... |
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Composition of a conductive ceramic glaze and improved method of forming same |
| OF THE PREFERRED EMBODIMENTS While the invention is particularly pointed out and distinctly ... |
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Franklin stove attachments
| Details |
Inventors: Roberts, Herbert E.; Wharff, Donald D.;
Assignee:
Primary Examiner: Wayner; William E.
Assistant Examiner: Topolcai, Jr.; William E.
Attorney, Agent or Firm: Shlesinger, Fitzsimmons & Shlesinger
The stove combustion chamber is lined with a layer of refractory material. Above this a baffle extends at an angle upwardly from the rear wall of the stove part way toward its front wall. Three tubular heat exchangers open at their forward ends on a grill on the front of the stove, and extend rearwardly over the combustion chamber and baffle to a duct mounted on the rear of the stove. The refractory material and baffle help retain heat in the stove to keep the heat exchange tubes warm, and a blower, which is connected to the duct and is controlled by a thermostat, blows warm air from inside the tubes outwardly through the grill into the room containing the stove. |
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DETAILED DESCRIPTION Having thus described our invention, what we claim is: 1. A stove, comprising a frame having therein a combustion chamber, at least one door movably mounted on the front wall of said frame over an access opening which communicates with said chamber selectively for inserting fuel into, and for withdrawing ashes from said chamber, a plenum mounted on top of said frame for connection to a flue, and communicating with said chamber through an exhaust opening formed in the top of said frame adjacent the rear wall thereof, a plurality of spaced, tubular heat exchangers extending through said combustion chamber adjacent the upper end thereof, and opening at their forward ends on a further opening formed in said front wall of said frame above said access opening, and opening at their rear ends in registering openings formed in the rear wall of said frame, a baffle mounted in said chamber beneath said heat exchangers and registering vertically with said exhaust opening in said top of the frame to slow the discharge of heat from said chamber to said plenum, a vertical duct mounted on the outside of said frame and having its upper end connected to the rear ends of said exchangers, an electrically-operated blower connected to the lower end of said duct with its air inlet positioned adjacent the bottom of said frame, and operable to draw cool air from adjacent the floor upon which said frame is mounted, and to blow this cool air upwardly through said duct and axially through said exchangers to be heated thereby, when the stove is in use, a first layer of refractory material covering the bottom of said frame in said chamber, and a further layer of refractory material covering the inside of said chamber between said first layer and baffle, said further layer having an opening therein registering with said access opening in said front wall of the frame, said baffle comprising a plate removably mounted in said chamber and having its rear edge positioned adjacent the rear wall of said frame above said further layer of refractory metal, and extending diagonally forwardly and upwardly part way toward said front wall and the undersides of said heat exchangers, and the opening formed between said front wall and the forward edge of said plate being offset horizontally from said exhaust opening in the top of said frame
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