Helium leakage detector

Details Helium leakage detector Helium leakage detector

1982-12-20

1984-03-13

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

With sample supply means

73 407, B01D 5944

Patent

active

044369980

ABSTRACT:
The invention relates to a helium leakage detector. It includes a measuring spectrometric cell (8) disposed in parallel with a molecular diffusion pump (6) whose outlet (7) is short-circuited at the inlet (5) by a pipe (10) upstream from a constriction (11) constituted by an adjustable valve.

REFERENCES:
patent: 3342990 (1967-09-01), Barrington et al.
patent: 3842266 (1974-10-01), Thomas
patent: 3968675 (1976-07-01), Briggs
patent: 4365158 (1982-12-01), Tallon

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