Patent · US Expired

Electron tube with cathode cooling device

US4639633A · kind A · utility

4Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 7, 1985
Grant dateJan 27, 1987
Priority date
Expiry dateMay 7, 2005

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J19/74
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electron tube with a cathode cooling device comprising an anode, a cathode and at least one grid in which the cathode is connected to an output connection through at least one skirt. Inside said tube, at the level of the connection between said skirt and said output connection, a tubular element is provided comprising a spiral shaped part which is extended by at least one inlet tube and one outlet tube emerging on the outside, said tubular element having a cooling fluid flowing therethrough.

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