DUAL-RING AND STRAIGHT FIN TUBE CONDENSING
First Claim
1. A heat exchanger for supplying heat, comprising:
- a housing includes;
a burner;
a water inlet;
a water outlet; and
a flue gas outlet;
the burner is disposed on a top portion of the housing and connected to an air/gas mixture unit;
a first group of fin tubes are disposed tightly, circularly, and coaxially around the burner;
a flue channel is disposed below the burner, the flue channel being formed by a second group of fin tubes, wherein a flow of flue gas vents from the flue channel to the flue gas outlet;
the water inlet is connected to the second group of fin tubes which forms the flue channel below the burner;
the second group of fin tubes below the burner are connected to the first group of fin tubes; and
the first group of fin tubes are connected to the water outlet.
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Accused Products
Abstract
A heat exchanger for supplying heat includes a housing, a bundle of dual-ring, straight fin-coil tubes, and a flue channel. The housing includes a burner, a water inlet, a water outlet and a flue gas outlet. The burner is disposed on a top portion of the housing and connected to an air/gas mixture unit. The first group of fin tubes is disposed tightly, circularly, and coaxially around the burner. The flue channel is disposed below the burner and is formed by a second group of fin tubes. A flow of flue gas vents from the flue channel to the flue gas outlet. The water inlet is connected to the first group of fin tubes which forms the flue channel below the burner. The second group of fin tubes below the burner is connected to the first group of fin tubes. The first group of fin tubes is connected to the water outlet.
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Citations
10 Claims
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1. A heat exchanger for supplying heat, comprising:
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a housing includes; a burner; a water inlet; a water outlet; and a flue gas outlet; the burner is disposed on a top portion of the housing and connected to an air/gas mixture unit; a first group of fin tubes are disposed tightly, circularly, and coaxially around the burner; a flue channel is disposed below the burner, the flue channel being formed by a second group of fin tubes, wherein a flow of flue gas vents from the flue channel to the flue gas outlet; the water inlet is connected to the second group of fin tubes which forms the flue channel below the burner; the second group of fin tubes below the burner are connected to the first group of fin tubes; and the first group of fin tubes are connected to the water outlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A heat exchanger comprising:
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a housing having a flue gas outlet and a water outlet; a burner disposed in a lower portion of the housing; a group of straight fin tubes are mounted adjacent to each other around the burner; a flue gas channel is disposed above the burner, the flue gas channel being formed by a group of fin tubes, wherein a flow of flue gas is vented from the flue gas channel to the flue gas outlet; and a water inlet connected to the group of straight fin tubes, wherein the group of straight fin tubes are connected to a second group of straight fin tubes which are then connected to the water outlet.
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Specification