Apparatus for inductive and resistive heating of an object
First Claim
1. An apparatus for heating a flowable material comprising:
- a core having a passageway formed therein for the communication of the flowable material, the core having an outer surface; and
an electric element coiled in multiple turns against the core in a helical pattern, the electric element, in use, heating the core both resistively and inductively, the electric element having no auxiliary cooling capacity.
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Accused Products
Abstract
An apparatus for heating a flowable material comprises a core having a passageway formed therein for the communication of the flowable material, and an electric element coiled in multiple turns against the core in a helical pattern. The electric element, in use, heats the core both resistively and inductively. The electric element has no auxiliary cooling capacity. The electric element may be installed against the outside of the core, with an optional ferromagnetic yoke installed over it, or it may be installed against the inside of the core, embedded in a wear-resistant liner. The yoke and liner may be metallic material deposited such as by hot-spray technology and finished smooth.
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Citations
26 Claims
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1. An apparatus for heating a flowable material comprising:
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a core having a passageway formed therein for the communication of the flowable material, the core having an outer surface; and
an electric element coiled in multiple turns against the core in a helical pattern, the electric element, in use, heating the core both resistively and inductively, the electric element having no auxiliary cooling capacity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. An apparatus for heating a flowable material comprising:
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a core having a passageway formed therein for the communication of the flowable material, the core having an inner surface and a wear-resistant liner adjacent the inner surface; and
an electric element coiled in multiple turns against the core at the inner surface of the core, the electric element, in use, heating the core and liner both resistively and inductively, the electric element having no auxiliary cooling capacity. - View Dependent Claims (25, 26)
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Specification