Global Patent Index - EP 0162754 B1

EP 0162754 B1 19880601 - ELECTRONIC TUBE HAVING A DEVICE FOR COOLING THE GRID BASE

Title (en)

ELECTRONIC TUBE HAVING A DEVICE FOR COOLING THE GRID BASE

Publication

EP 0162754 B1 19880601 (FR)

Application

EP 85400798 A 19850424

Priority

FR 8407105 A 19840509

Abstract (en)

[origin: US4644217A] 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.

IPC 1-7

H01J 7/26; H01J 19/74

IPC 8 full level

H01J 7/26 (2006.01); H01J 19/74 (2006.01)

CPC (source: EP US)

H01J 19/74 (2013.01 - EP US)

Designated contracting state (EPC)

CH DE GB LI NL

DOCDB simple family (publication)

EP 0162754 A1 19851127; EP 0162754 B1 19880601; DE 3563146 D1 19880707; FR 2564240 A1 19851115; FR 2564240 B1 19860919; JP S60243931 A 19851203; US 4644217 A 19870217

DOCDB simple family (application)

EP 85400798 A 19850424; DE 3563146 T 19850424; FR 8407105 A 19840509; JP 9682485 A 19850509; US 73155385 A 19850507