초록 ▼

A commercial water heater apparatus, including a housing, a radial-fired burner within the housing, a single continuous, multiple loop, finned coil tubing heat exchanger for circulating water around the burner, having at least a first set of inner coils forming a coil trough therebetween and a secon

A commercial water heater apparatus, including a housing, a radial-fired burner within the housing, a single continuous, multiple loop, finned coil tubing heat exchanger for circulating water around the burner, having at least a first set of inner coils forming a coil trough therebetween and a second set of outer coils nested within the coil trough formed by the inner set of coils, the outer set of coils forming a second coil trough around the exterior thereof, and a coil baffle interposed in the second exterior trough for deflecting heat adjacent to the second set of coils.

대표청구항 ▼

A water heater apparatus comprising: (a) a housing; (b) a radial-fired burner within said housing; (c) a single continuous, multiple loop, finned coil tubing heat exchanger, having inlet and outlet tubing for circulating water around said burner and having at least a first set of inner coils forming

A water heater apparatus comprising: (a) a housing; (b) a radial-fired burner within said housing; (c) a single continuous, multiple loop, finned coil tubing heat exchanger, having inlet and outlet tubing for circulating water around said burner and having at least a first set of inner coils forming a coil trough therebetween and a second set of outer coils nested within said coil trough formed by said inner set of coils, said coils forming a second coil trough around the exterior thereof wherein said single continuous, multiple loop, finned coil tubing is positioned vertically about a central axis so that the inlet and the outlet of the single continuous, multiple loop, finned coil tubing heat exchanger is positioned at the bottom of the inner and outer coils, with said inlet connected at the bottom to the outer coils and the outlet connected at the bottom to the inner coils and having a “U”connector at the top, so that water flows up around the outer coils and is returned in counter flow, with the “U”connector flowing down to the inner coils and out through the outlet, so that the exiting water is closest to the radial-fired burner and the water exits at a maximum temperature; and (d) a coil baffle interposed in said second exterior trough for deflecting heat adjacent to said second set of coils.