Piezoelectric pressure sensor and method of manufacturing the sa

Details Piezoelectric pressure sensor and method of manufacturing the sa Piezoelectric pressure sensor and method of manufacturing the sa

1994-08-05

1996-07-23

Chilcot, Richard

Measuring and testing

Fluid pressure gauge

Diaphragm

73708, 73745, 29 2535, G01L 908

Patent

active

055378838

ABSTRACT:
A sensor for detecting the combustion pressure of an engine, in which an upper fixing member and a casing are fixed while a pre-load is being applied to the upper fixing member, so that a pre-load may be applied to a piezoelectric element. Moreover, a tubular diaphragm for transforming a pressure into a strain and a pressure receiving face for receiving the combustion pressure are connected to each other through a plunger so that they may be kept away from each other.

REFERENCES:
patent: 3150274 (1964-09-01), Pischinger
patent: 3960018 (1976-06-01), Change et al.
patent: 4413509 (1983-11-01), Moser et al.
patent: 4463596 (1984-08-01), Masamitsu
patent: 4637553 (1987-01-01), Kushida et al.
patent: 4979275 (1990-12-01), Sakaida et al.
patent: 5126617 (1992-09-01), Lukasiewicz et al.
patent: 5377547 (1995-01-01), Kusakabe et al.

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