Patent ID: 11913365
Assignee: WATLOW ELECTRIC MANUFACTURING COMPANY
Field: Environmental technology (Chemistry)
Classification: CPC F  H  Y | IPC F  H

Claim 7:
8. An exhaust gas heater system for an exhaust system of an internal combustion engine, the exhaust gas heater system comprising:
a housing comprising an outer peripheral wall disposed about a central axis and defining an interior hollow space configured to receive exhaust gas from an exhaust pipe of the exhaust system such that the exhaust gas flows through the interior hollow space;
a heating element positioned within the hollow space and including a first end and a second end, the heating element including an electrically conductive resistance element between the first and second ends, the electrically conductive resistance element forming a plurality of sections arranged in a radial direction relative to the central axis, each section of the plurality of sections having a generally arcuate shape about the central axis; and
a support structure flanking opposed sides of the heating element and coupled to the heating element to support the heating element at a plurality of discrete locations within the interior hollow space, wherein the support structure is electrically insulated from the electrically conductive resistance element,
wherein the first and second ends extend through radially outward of the outer peripheral wall to receive power from outside the hollow space.