A method of de-polluting a helium leak detector in which a pumping station and a gas analyzer (5) connected to the pumping station via an air inlet duct provided with an insertion valve (6). The pumping station comprises a sliding vane rotary vacuum pump (1) comprising a rotor (7) and a stator (8). The...http://www.google.fr/patents/US4606221?utm_source=gb-gplus-shareBrevet US4606221 - Method of depolluting a helium leak detector and apparatus implementing the method
Method of depolluting a helium leak detector and apparatus implementing the ...
