Piezoelectric actuator sensitive to reducing gas

Details Piezoelectric actuator sensitive to reducing gas Piezoelectric actuator sensitive to reducing gas

1995-10-30

1997-06-10

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310331, H01L 4108

Patent

active

056379498

ABSTRACT:
A piezoelectric actuator subjected to bending displacement by sensing a reducing gas is composed of two regions bonded to each other, one of the regions being made of a material whose electric resistance varies by sensing a reducing gas, and the other of the regions being made of a piezoelectric material which is not sensitive to a reducing gas, an electrode being formed on an outer surface of each region to apply an electric field to the piezoelectric material.

REFERENCES:
patent: 3646413 (1972-02-01), Oomen
patent: 4533849 (1985-08-01), Schnell
patent: 4564851 (1986-01-01), Nilsson et al.
patent: 4707311 (1987-11-01), Okazaki
patent: 4885929 (1989-12-01), Kasahara et al.
patent: 5068567 (1991-11-01), Jones
patent: 5140393 (1992-08-01), Hijikihigawa et al.
patent: 5224972 (1993-07-01), Frye et al.
patent: 5382864 (1995-01-01), Morikawa et al.
patent: 5461274 (1995-10-01), Yuji et al.

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