Miniaturized sampler

Details Miniaturized sampler Miniaturized sampler

1992-07-29

1994-04-19

Raevis, Robert

Measuring and testing

Sampler, sample handling, etc.

Withdrawing through conduit or receptacle wall

G01N 114

Patent

active

053035992

ABSTRACT:
The miniaturized sampler is activated by a diaphragm motor that can be screwed together by hand. The sampler uses an elastomeric collection head and typically takes a small sample each time the diaphragm motor is activated. The collection head is connected to a piston by a pin and ring arrangement that can be economically manufactured and easily serviced. Because the collection head is smaller than prior art designs, it takes less force to activate. A smaller collection head can be driven by a smaller diaphragm motor which allows overall sampler size and weight to be reduced when compared with prior art designs.

REFERENCES:
patent: 1352288 (1920-09-01), Bras
patent: 2764996 (1956-10-01), Brown
patent: 3093086 (1963-06-01), Altoz et al.
patent: 3229527 (1966-01-01), Johnson
patent: 3321977 (1967-05-01), Topham
patent: 4440032 (1984-04-01), Welker
patent: 4531895 (1985-07-01), Zeck
patent: 4928536 (1990-05-01), Welker
Welker, Welker Engineering Company, Inline Relief and Sampler Head Assemblies, P.O. Box 1228, Bellaire, Tex.

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