A permanent magnet air heater has a housing with an internal chamber accommodating an electric motor rotating a fan to move air through the housing. A non-ferrous member having bores for cylindrical magnets and a steel member with a copper plate secured to the steel member are rotated relative to ea
A permanent magnet air heater has a housing with an internal chamber accommodating an electric motor rotating a fan to move air through the housing. A non-ferrous member having bores for cylindrical magnets and a steel member with a copper plate secured to the steel member are rotated relative to each other by the motor whereby the magnetic field between the magnets and copper plate generates heat which is transferred to air in the housing moving through the housing by the fan.
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1. A heater comprising: absorber tubing; anda plurality of permanent magnets mounted on a non-ferrous member that is adjacent to the absorber tubing, wherein each magnet is adjacent to a magnet of opposite polarity, and wherein the non-ferrous member, including the plurality of permanent magnets, is
1. A heater comprising: absorber tubing; anda plurality of permanent magnets mounted on a non-ferrous member that is adjacent to the absorber tubing, wherein each magnet is adjacent to a magnet of opposite polarity, and wherein the non-ferrous member, including the plurality of permanent magnets, is configured to rotate to generate a magnetic field, thereby generating heat, and wherein fluid flows through the absorber tubing and is heated as the fluid flows through the absorber tubing. 2. The heater of claim 1, wherein the absorber tubing is a copper coil. 3. The heater of claim 2, wherein the copper coil wraps around the non-ferrous member while winding a plurality of times. 4. The heater of claim 1, wherein the absorber tubing is an aluminum coil. 5. The heater of claim 1, further comprising a pump that pumps the fluid through the absorber tubing. 6. The heater of claim 1, wherein the plurality of magnets are arranged in an annular configuration on the non-ferrous member. 7. A heater comprising: a rotor including a plurality of fins, and an absorber plate, the rotor configured to rotate within a heating housing that has an inlet for receiving fluids and an outlet for discharging fluids, wherein fluid is discharged through the outlet by the rotation of the plurality of fins, and wherein the rotation of the rotor generates a magnetic field, thereby generating heat in the absorber plate that heats the fluid within the heating housing; anda plurality of permanent magnets mounted on a non-ferrous member, wherein each magnet is adjacent to a magnet of opposite polarity. 8. The heater of claim 7, further comprising a motor configured to rotate the rotor by turning a drive connected to the motor and the rotor. 9. The heater of claim 8, wherein the drive is a drive shaft. 10. The heater of claim 9, wherein the drive shaft passes through a hole in the non-ferrous member and supports the non-ferrous member. 11. The heater of claim 9, further comprising a bearing included on the non-ferrous member that prevents the non-ferrous member from rotating with the rotation of the drive shaft. 12. The heating of claim 9, wherein the plurality of fins are connected the drive shaft and extend in opposite directions away from the drive shaft. 13. The heater of claim 8, further comprising a seal positioned around the drive within the heating housing that prevents the fluid from escaping through a hole in the heating housing where the drive enters the heating housing. 14. The heater of claim 7, wherein the non-ferrous member is secured to the heating housing. 15. A heater comprising: a rotor including a plurality of fins and an absorber plate configured to rotate within a heating housing that has an inlet for receiving fluid and an outlet for discharging fluid, wherein fluid is discharged through the outlet by the rotation of the plurality of fins;a plurality of permanent magnets mounted on a non-ferrous member, each magnet is adjacent to a magnet of opposite polarity; anda motor operable to rotate a drive that rotates the rotor within the heating housing to generate a magnetic field, thereby generating heat that heats the fluid within the heating housing. 16. A heater comprising: an absorber plate;a plurality of permanent magnets positioned in a non-ferrous member, wherein the non-ferrous member is adjacent to the absorber plate;a drive operable by a motor to rotate the permanent magnets relative to the absorber plate to generate a magnetic field, thereby generating heat in the absorber plate; anda rotor coupled to the drive and comprising a plurality of fins to direct heated fluid. 17. A heater comprising: a copper tank;a plurality of permanent magnets mounted on a non-ferrous member that is adjacent to the first side of the copper tank, wherein each magnet is adjacent to a magnet of opposite polarity, and wherein the non-ferrous member, including the plurality of magnets, is configured to rotate to generate a magnetic field, thereby generating heat in the copper tank. 18. The heater of claim 17, further comprising a plurality of fins extending away from the non-ferrous member into the tank. 19. A method for generating heat comprising: connecting an absorber plate to a drive connected to a motor;rotating the absorber plate relative to a non-ferrous member that includes a plurality of permanent magnets by operating the motor, wherein the absorber plate is adjacent to the non-ferrous member;generating a magnetic field between the permanent magnets; andgenerating heat in the absorber plate adjacent to the non-ferrous member by inducing eddy currents in a space between the absorber plate and the non-ferrous member. 20. The method of claim 19, wherein the absorber plate comprises copper.
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이 특허에 인용된 특허 (17)
Alavi Kamal, Apparatus and method for heating a fluid by induction heating.
Lunneborg, Timothy W.; Dimmer, Paul Gene; Loll, Kevin; Thomas, James Ronald; Thomas, Neil Howard; Browning, David M., Controlled magnetic heat generation.
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