Patent · US Expired

Bottom electric heating element systems and ovens

US7285757B2 · kind B2 · utility

0Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 6, 2005
Grant dateOct 23, 2007
Priority date
Expiry dateSep 6, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF24C7/06
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A bottom electric heating element for an oven wherein the electric heating element is positioned in a recessed portion in the oven bottom and comprises at least one corrugated ribbon of conductive material partially embedded in an insulating base. A glass panel is positioned over the recessed portion and on a compressible heat resistant gasket. The glass panel is transparent or semi-transparent, high temperature resistant and high impact resistant. A frame extends around the glass panel and fastens it to the oven bottom while partially and resiliently compressing the gasket to support the glass panel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.