Apparatus for conveying and compressing a gaseous medium

Details Apparatus for conveying and compressing a gaseous medium Apparatus for conveying and compressing a gaseous medium

1985-11-13

1987-02-03

Croyle, Carlton R.

Pumps

Expansion and contraction of pump fluid

417207, 417244, F04B 1924, F04B 2304

Patent

active

046406670

ABSTRACT:
The apparatus for conveying and compressing a gaseous medium utilizes thermoacoustic oscillations. The oscillations are generated in a tubular cavity by means of a heat source or heat sink with the medium to be conveyed being taken in through a check valve on one side while being exhausted after compression through a second check valve on an opposite side. During operation, the heat is supplied to the medium within the tubular cavity to generate thermoacoustic oscillations.
In one embodiment, a plurality of tubes can be disposed in series relative to a common line. Also, the apparatus can be used in combination with a helium liquifying plant.

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Muller, Ulrich A., Thermoakustische Gasschwingungen: Definition und Optimierungeines Wirkungsgrades, Diss. ETH Nr. 7014, 1982, pp. 1, 82 and 110.
Journal of Physics D, "Pumping Action from Heat-Driven Oscillations in a Liquid Vapor Column," Band 9, Nr. 10, 1976, pp. 1419-1424.

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