Patent · US Expired

Electron tube with a device for cooling the grid base

US4644217A · kind A · utility

5Cited by
5References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 7, 1985
Grant dateFeb 17, 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

In an electron tube with coaxial electrodes comprising an anode, a cathode and at least one grid, the base of each electrode being connected to the outside through a connection, there is mounted between the base of the grid and said connection a solid annular piece having a duct for the passage of a cooling fluid, said duct being connected to at least one fluid inlet tube and one fluid outlet tube.

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