Piezoelectric sensor

Details Piezoelectric sensor Piezoelectric sensor

1987-11-09

1988-10-04

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

73119A, 73730, H01L 4108, G01L 906

Patent

active

047758163

ABSTRACT:
A piezoelectric sensor adapted for incorporation into a high pressure fuel line employs a pair of piezoelectric transducer elements which are mounted in diametrically opposed bores of a main body. The body forms an axially extending fluid conduit. The main body also has a deformable wall section adjacent the transducer elements. A conductor ring extends the circumference of the main body. The transducer elements electrically connect with the ring so that a pressure pulse traversing the conduit deforms the wall section and produces a mechanical stress on the transducer elements to generate a voltage signal at the conductor ring.

REFERENCES:
patent: 3561831 (1971-02-01), Alibert et al.
patent: 3603152 (1971-09-01), Alibert et al.
patent: 3942049 (1976-03-01), Hyanova et al.
patent: 4146875 (1979-03-01), Beatson
patent: 4192179 (1980-03-01), Yelke
patent: 4214484 (1980-07-01), Abts
patent: 4217781 (1980-08-01), Abts
patent: 4391147 (1983-07-01), Krempl et al.
patent: 4404854 (1983-09-01), Krempl et al.

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