Bilateral Rotary Magnetic Induction Fluid Heater
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Solution Overview
Problem
Existing fluid heating technologies using magnetic induction are complex, costly, and inefficient, with high energy consumption and production costs, and do not effectively transfer heat to fluids.
Innovation Solution
A bilateral magnetic induction heat generator unit with a rotary central disc of magnets and bilateral heat exchangers, where the magnets are exposed on both sides of the disc with alternating polarity, generating an agitated magnetic field that induces Foucault currents in a low resistivity metal surface, efficiently transferring heat to a circulating fluid.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If two parallel discs with magnets are used for heating fluids, then the heating capacity is increased, but the device complexity and manufacturing costs increase
Solution Approach 1:
The patent divides the heating function into two separate single-disc units rather than one complex dual-disc unit. Each unit has its own disc with magnets arranged in alternating polarity segments, allowing independent operation and simpler manufacturing while achieving the same total heating capacity through parallel arrangement
Solution Approach 2:
The patent combines two simple single-disc heating units into a parallel configuration to achieve the heating capacity of a complex dual-disc unit, but with reduced complexity by avoiding the need for a single unit to handle all magnets and mechanical stresses
2Power
If two parallel discs with magnets are used for heating fluids, then the heating capacity is increased, but the energy consumption increases
Solution Approach 1:
The patent uses two single-disc units operating at potentially lower individual speeds rather than one unit requiring high speed to generate sufficient heat, reducing total energy consumption while maintaining heating capacity through the parallel configuration
Solution Approach 2:
The parallel arrangement of two continuous-flow heat exchangers with single-disc units ensures continuous heating operation without the need for complex switching or sequencing mechanisms, maintaining steady-state efficient operation
3Power
If magnets are placed on both sides of a rotating disc, then the heating efficiency is improved, but the mechanical stability and magnet retention become problematic
Solution Approach 1:
The patent segments the magnetic field generation into two separate discs rather than one disc with magnets on both sides. Each disc has magnets arranged in alternating polarity segments, distributing the mechanical stress and magnet retention requirements across two simpler units
Solution Approach 2:
Instead of placing magnets on both sides of a single rotating disc (which creates mechanical instability), the patent inverts the approach by using two separate discs with magnets on one side each, eliminating the retention problems while maintaining the dual-sided heating effect
4Power
If a complex dual-disc configuration is used, then the heating capacity is increased, but the production and operation costs increase
Solution Approach 1:
The patent segments the system into two identical or similar single-disc units that can be manufactured independently using the same tooling and processes, reducing tooling costs and allowing parallel production, thereby lowering overall manufacturing costs while achieving the required heating capacity
Solution Approach 2:
The patent designs the two single-disc units to be interchangeable and functionally identical, allowing a single design to serve multiple purposes and positions in the system, reducing design and manufacturing complexity while maintaining heating capacity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus achieves efficient heat transfer to fluids with reduced energy consumption and production costs, making it a cost-effective and efficient alternative for both domestic and industrial use, while being non-polluting.
Implementation Method 1
Heat may be generated in an electrically conductive material submitting it to a magnetic field subject to movement. The movement of the magnetic field generates eddy currents, corresponding to Foucault's circular currents
Implementation Method 2
The movement of the magnetic field generates eddy currents, corresponding to Foucault's circular currents, where by placing a conductive material near to this field, a flow of electrons is generated on the induced conductive material, opposed to the effect of the magnetic field, thus generating heat
Implementation Method 3
An apparatus and method for heating a fluid by induction heating is described in the U.S. Pat. No. 5,914,065
Implementation Method 4
This heat may be harnessed by putting a fluid in contact with the heated metallic material, thus transferring the heat from the metallic piece to the fluid, this way increasing its temperature to the desired range
Data Source
AI summary
Apparatus for heating fluids through rotary magnetic induction, which has at least one rotating central disc of magnets and at least one bilateral heat exchanger, wherein the magnet disc comprises at least one pair of magnets disposed in such disc and whose configuration exposes the magnets to both sides of the disc with alternating polarity on each side to generate on both sides an agitated magnetic field, and wherein at least one heat exchanger, comprising at least one low resistivity metal surface, is disposed adjacent to each side or face of the magnet disc in order to expose its metal surface to the agitated magnetic field, getting heated and transmitting such heat to a fluid circulating within at least one configured conduit located inside the heat exchanger.