Gas supply device for cold leak testing at vacuum device, has housing, attachable on vacuum device`s welded joint to be tested for creating gas space, having inlet and outlet for supply and removal of gases into and from space, respectively

摘要

The device has a housing (11) attachable on a welded joint (21) of a vacuum device (20) to be tested for creation of locally limited gas space. The housing includes a gas inlet (13) for supply of gases into the gas space, and a gas outlet (14) for removal of gases from the gas space. The housing includes a recess and is enclosed on all sides by the welded joint of the vacuum device to be tested. Independent claims are also included for the following: (1) a test device for testing leakage at a vacuum device, including a line branch connected with a gas supply device (2) a method of testing a leakage in a vacuum device.