FIELD: measuring gaseous substance pressure by means of piezoelectric devices responding to mechanical pressure. SUBSTANCE: device has piezoid and set of springs to impart mechanical pressure to piezoid. Set springs is, essentially, assembly of coupled coiled springs and tubular member subject to elastic strain in axial direction. Tubular member is in contact with spring turns. EFFECT: improved design. 2 cl, 3 dwg
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Authors
Dates
1996-08-20—Published
1993-03-12—Filed