Miniature solid-state gas compressor

Details Miniature solid-state gas compressor Miniature solid-state gas compressor

1982-09-30

1985-05-07

Gluck, Richard E.

Pumps

Motor driven

Magnetostrictive chamber

417412, 417474, 417478, F04B 3504, F04B 4508

Patent

active

045155348

ABSTRACT:
A miniature apparatus for compressing gases is disclosed in which an elastomer disposed between two opposing electrostrictive or piezoelectric ceramic blocks, or between a single electrostrictive or piezoelectric ceramic block and a rigid surface, is caused to extrude into or recede from a channel defined adjacent to the elastomer in response to application or removal of an electric field from the blocks. Individual cells of blocks and elastomer are connected to effect a gas compression by peristaltic activation of the individual cells. The apparatus is self-valving in that the first and last cells operate as inlet and outlet valves, respectively. Preferred electrostrictive and piezoelectric ceramic materials are disclosed, and an alternative, non-peristaltic embodiment of the apparatus is described.

REFERENCES:
patent: 3107630 (1963-10-01), Johnson et al.
patent: 3264998 (1966-08-01), Dingman
patent: 3963380 (1976-06-01), Thomas et al.
Barron, Randal, Cryogenic Systems (McGraw-Hill) 1966, pp. 301-331.
NBS Special Publication 508, pp. 75-80.

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