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A portable hot water heater for use during camping, boating, hunting, hiking, fishing, backpacking, etc. The hot water heater advantageously efficiently and rapidly heats large quantities of water for hot showers, cooking and cleaning. The hot water heater includes a pump that can draw water from an

A portable hot water heater for use during camping, boating, hunting, hiking, fishing, backpacking, etc. The hot water heater advantageously efficiently and rapidly heats large quantities of water for hot showers, cooking and cleaning. The hot water heater includes a pump that can draw water from any suitable water source, a power source, a heating assembly that quickly and efficiently heats the water as it flows through the heating assembly. The heating assembly is attached to a shower head or other fixture.

대표청구항 ▼

1. A portable water heater for providing a continuous flow of hot water by heating the water as it flows to the user for immediate use, the portable water heater comprising:a fuel burner configured to produce heat as fuel is burned; a heat transfer conduit fluidly connected to a water source, said h

1. A portable water heater for providing a continuous flow of hot water by heating the water as it flows to the user for immediate use, the portable water heater comprising:a fuel burner configured to produce heat as fuel is burned; a heat transfer conduit fluidly connected to a water source, said heat transfer conduit being configured to transfer the heat produced by said fuel burner to the water flowing through said heat transfer conduit; a heat shield connected to the fuel burner, the heat shield including at least one sidewall and the heat shield being sized and configured to facilitate heat transfer from the fuel burner to the heat transfer conduit; a connector that is sized and configured to mechanically couple the heat shield to a housing disposed about the heat transfer conduit, the connector selectively connecting the heat shield and the housing by frictional engagement to allow the heat shield and the housing to be attached and detached; and a pump being sized and configured to pump water through said heat transfer conduit with sufficient force to allow a user to take a shower, said pump being disposed within the water of the water source. 2. The portable water heater of claim 1, wherein said heat transfer conduit comprises at least one coiled tube.3. The portable water heater of claim 2, wherein at least a portion of said coiled tubing forms a cylindrical shaped member.4. The portable water heater of claim 2, wherein said coiled tubing forms a substantially conical shaped member.5. The portable water heater of claim 1, wherein said heat transfer conduit comprises a first portion disposed proximate to said fuel burner and a second portion disposed remote from said fuel burner.6. The portable water heater of claim 5, wherein said first portion of said heat transfer conduit has a diameter is larger than the diameter of said second portion.7. The portable water heater of claim 1, wherein said heat transfer conduit comprises a plurality of coils, said plurality of coils comprising a first coil disposed proximate to said fuel burner with an inner diameter that is larger than an inner diameter of a coil disposed remote to said fuel burner.8. The portable water heater of claim 1, wherein said heat transfer conduit comprises a heat conductive material.9. The portable water heater of claim 8, wherein said heat transfer conduit comprises copper.10. The portable water heater of claim 1, wherein said heat transfer conduit is located substantially proximate to said fuel burner so as to transfer heat from the combustion of the fuel to said heat transfer conduit which in turn heats the water traveling there through.11. The portable water heater of claim 1, wherein said heat transfer conduit comprises a plurality of generally vertically aligned coiled tubing.12. A portable water heater of claim 11, wherein said heat transfer means is fluidly connected to an outlet line through which water exits said portable heater for use by a user.13. A portable water heater for providing a continuous flow of hot water by heating the water as it flows to the user for immediate use, the portable water heater comprising:a fuel burner configured to produce heat as fuel is burned; heat transfer means for transferring heat from said fuel burner to the water flowing through the heat transfer means, said heat transfer means being fluidly connected to a water source; a heat shield connected to the fuel burner, the heat shield including at least one sidewall that is sized and configured to be removably attached to a housing disposed about the heat transfer means by connecting means including frictional engagement of the sidewall and the housing, the heat shield being sized and configured to facilitate heat transfer from the fuel burner to the heat transfer means and to allow the fuel burner to be selectively connected to the housing; and a pump fluidly connected to said heat transfer means, said pump being fluidly connected to the water source as said pump is disposed in water of the water source, said pump being sized and configured to pump water through said heat transfer means. 14. The portable water heater of claim 12, wherein said fuel burner is located substantially proximate to paid heat transfer means so as to allow said heat transfer means to transfer the heat from the combustion of the fuel to the water traveling through said heat transfer means.15. The portable water heater of claim 13, wherein said heat transfer means comprises a heat transfer conduit.16. The portable water heater of claim 13, wherein said heat transfer means comprises coiled tubing.17. The portable water heater of claim 16, wherein said coiled tubing is generally centrally disposed about a vertical axis.18. A portable water heater for providing a continuous flow of hot water by heating the water as it flows to the user for immediate use, the portable water heater comprising:a fuel burner configured to produce heat as fuel is burned; a pump fluidly connected to a water source as said pump is disposed within water of the water source; and a heating assembly attached to said pump, said heating assembly comprising a housing and a heating conduit disposed in said housing, said heating conduit being fluidly connected to said pump, said heating conduit being configured to transfer the heat produced by said fuel burner to the water flowing through said heating conduit, said heating conduit being positioned proximate to said fuel burner; a heat shield connected to the fuel burner, the heat shield including at least one sidewall and the heat shield being sized and configured to facilitate heat transfer from the fuel burner to the heat transfer conduit; and a connector that is sized and configured to mechanically couple the heat shield to a housing disposed about the heat transfer conduit, the connector selectively connecting the heat shield and the housing by frictional engagement to allow the heat shield and the housing to be attached and detached. 19. The portable water heater of claim 18, wherein said heating conduit comprises coiled tubing.20. The portable water heater of claim 18, wherein said heating conduit is a cylindrical shaped member disposed about a vertical axis in said housing.21. The portable water heater of claim 18, wherein said heating conduit is a conical shaped member disposed about the vertical axis in said housing.22. The portable water heater of claim 18, further comprising a fuel burner assembly which comprises said fuel burner, said fuel burner assembly being releasably connected to said heating assembly.23. The portable water heater of claim 18, wherein said housing comprises an upper surface that is substantially planar, said upper surface providing a surface for heating items while the portable water heater is in use.24. A portable water heater for providing a continuous flow of hot water by heating the water as it flows to the user for immediate use, the portable water heater comprising:a fuel burner configured to produce heat as fuel is burned; a heat transfer conduit fluidly connected to a water source, said heat transfer conduit comprises at least one coil, said at least one coil being configured to transfer the heat produced by said fuel burner to the water flowing through said heat transfer conduit; a heat shield connected to the fuel burner, the heat shield including at least one sidewall and the heat shield being sized and configured to facilitate heat transfer from the fuel burner to the teat transfer conduit; a connector that is sized and configured to mechanically couple the heat shield to a housing disposed about the heat transfer conduit, the connector selectively connecting the heat shield and the housing by frictional engagement to allow the heat shield and the housing to be attached and detached; and a pump being sized and configured to pump water through said at least one coil of said heat transfer conduit with sufficient force to allow a user to take a shower, said pump being disposed within water of the water source. 25. The portable water heater of claim 24, wherein said at least one coil has an inlet through which water enters and an outlet through which heated water exits.26. A portable water heater comprising:an intake assembly; a water pump fluidly connected to the intake assembly; a power supply electrically connected to the water pump; a heating assembly that is separate and spaced apart from the intake assembly, the heating assembly comprising: a first portion including an inlet fluidly connected to the intake assembly by a conduit; and a second portion including a gas transfer assembly with a plurality of openings to facilitate gas flow; a heat transfer conduit disposed within the first portion of the heating assembly, the heat transfer conduit including coiled tubing; and a heat source detachably connected to the heating assembly by one or more connectors, at least a portion of the heat source being disposed within the first portion of the heating assembly when the heat source is attached to the heating assembly the heat source including a shield with one or more angled sidewalls, the angled sidewalls being detachably connected to the heating assembly. 27. The portable water heater as in claim 26, wherein the angled sidewalls are sized and configured to facilitate beat transfer from the heat source to the heating assembly.28. The portable water heater as in claim 26, further comprising a plurality of openings in the angled sidewalls of the shield to allow air to flow to the heat source.29. The portable water heater as in claim 26, wherein the heat source includes a shield with at least a first sidewall and an opposing second sidewall, the first sidewall and second sidewall of the shield being sized and configured to facilitate heat transfer from the heat source to the heating assembly, the first sidewall and the second sidewall being sized and configured to be detachably connected to the heating assembly.30. The portable water heater as in claim 26, further comprising an outlet connected to the first portion of the heating assembly, the outlet being fluidly connected to an outlet assembly by a conduit.31. The portable water heater as in claim 26, wherein the power supply is separate and spaced apart from the rump to facilitate remote operation of the pump.32. The portable water heater as in claim 26, wherein the coiled tubing in the heat transfer conduit includes at least a first set of coiled tubing with a first diameter and a second set of coiled tubing with a second diameter that is smaller than the first diameter.33. The portable water heater as in claim 26, wherein the heat source is detachably connected to the heating assembly by a friction fit.34. The portable water heater as in claim 26, wherein the first portion of the heating assembly is spaced apart from the second portion of the heating assembly.35. The portable water heater as in claim 26, wherein the pump and the intake assembly are part of a unitary, one-piece assembly.