Patent · US Expired

Carbon wire heating object sealing heater and fluid heating apparatus using the same heater

US7072578B2 · kind B2 · utility

3Cited by
9References
4Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJan 21, 2005
Grant dateJul 4, 2006
Priority date
Expiry dateJan 21, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A carbon wire heating element sealing heater is provided. Therein, a carbon wire heating element using carbon fibers is sealed in a quartz glass member, wherein absorption water quantity of the carbon wire heating element is 2×10−3 g/cm3 or less.

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