Pressure transducer with elastic surface waves and ignition syst

Measuring and testing – Volume or rate of flow – Using differential pressure

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73721, 123414, G01L 906

Patent

active

043264239

ABSTRACT:
The invention relates to elastic surface wave pressure transducers. The invention has for its object a pressure transducer in which the plate is fixed by its periphery to a support having a central cavity in which a separating wall, forming an intermediate support, defines two chambers subject to the action of the pressures to be measured. The invention is more particularly applicable to the measurement of pressures and flow rates in the field of internal combustion engines.

REFERENCES:
patent: 3978731 (1976-09-01), Reeder et al.
patent: 4100811 (1978-07-01), Cullen et al.
patent: 4216401 (1980-08-01), Wagner

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