Patent ID: 6657149
Filing Date: 2003-12-02
Classification: H01H

Abstract:
A vacuum interrupter, comprising:a housing which has a tubular ceramic insulator and two end plates, and in which the ceramic insulator is provided with an internally encircling step for securing a cylindrical vapor shield, the vapor shield bearing on one side of the step by means of a conically tapered section, which ends in a cylindrical region, and being fixed to the step by means of a holding ring which bears against the other side of the step, concentrically surrounds the vapor shield and is connected to the vapor shield in a positively-locking manner and with a material-to-material bond, wherein the holding ring has a cylindrical region, which is supported on the step of the ceramic insulator, and a collar which adjoins the cylindrical region, projects inward and is in the form of an arc of a circle, and an end of the cylindrical end region of the vapor shield is flanged onto the collar of the holding ring, without projecting axially beyond the holding ring.