High temperature furnace

Patent · 03 August 1976

OSTI ID:862610

Borkowski, Casimer J ^[1]

---

1. Oak Ridge, TN

A high temperature furnace for use above 2000.degree.C is provided that features fast initial heating and low power consumption at the operating temperature. The cathode is initially heated by joule heating followed by electron emission heating at the operating temperature. The cathode is designed for routine large temperature excursions without being subjected to high thermal stresses. A further characteristic of the device is the elimination of any ceramic components from the high temperature zone of the furnace.

• Research Organization: UNION CARBIDE CORP
• DOE Contract Number: W-7405-ENG-26
• Assignee: United States of America as represented by United States Energy (Washington, DC)
• Patent Number(s): US 3973075
• OSTI ID: 862610
• Country of Publication: United States
• Language: English

Related Subjects

/373/219/
2000
cathode
ceramic
ceramic component
ceramic components
characteristic
components
consumption
degree
designed
device
electron
electron emission
elimination
emission
excursions
fast
features
followed
furnace
heated
heating
heating followed
initial
initial heating
initially
joule
joule heating
operating
operating temperature
power
power consumption
provided
routine
stresses
subjected
temperature
temperature excursion
temperature furnace
temperature zone
thermal
thermal stress
thermal stresses
zone