Expansible chamber devices – With temperature compensation
Patent
1994-06-30
1995-10-31
Denion, Thomas E.
Expansible chamber devices
With temperature compensation
92176, 4174131, F15B 2104
Patent
active
054619661
ABSTRACT:
A measuring gas pump (1) has a pump chamber (3) closed by means of a working diaphragm (6). The strokes (double-headed arrow 26) are imparted to the working diaphragm (6) by way of a connecting rod or like lifting mechanism (9) from a crank mechanism (10). A heat source (16) is provided in the pump head (15). Provided between the connecting rod head (8) and the crank mechanism (10), there is a heat dissipation barrier (19 and/or 27) with respect to the measuring gas. By means of the measuring gas pump (1), the gas to be delivered thereby can be kept better to the temperature of the gas sampling condition and unwanted condensation of constituents of the gas to be analyzed and falsifications of the measurement result can be avoided or at least significantly reduced.
REFERENCES:
patent: 4049366 (1977-09-01), Becker
patent: 4507972 (1985-04-01), Morita
patent: 4624625 (1986-11-01), Schrenker
patent: 4684509 (1987-08-01), Bernath
patent: 4790730 (1988-12-01), Spaeth et al.
Becker Erich
Riedlinger Heinz
Denion Thomas E.
KNF Neuberger GmbH
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