Flow meter probe with force sensors

Details Flow meter probe with force sensors Flow meter probe with force sensors

2008-07-01

2008-07-01

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

Using differential pressure

C073S727000, C073S866500

Reexamination Certificate

active

07392710

ABSTRACT:
The flow meter probe with force sensors has the body of a frustum of a regular pyramid with a force sensor disposed upon each face. The force sensors are mounted in bores defined in the probe body and include a pin that may be displaced in the bore to exert pressure on an electrical transducer. The transducer may be a ceramic, piezoelectric sensor or a Micro-Electro-Mechanical System (MEMS) sensor. The pin has an aerodynamically- or hydrodynamically-shaped head, a cylindrical body, and a frustoconical tail to concentrate force exerted upon the sensor. The head of the pin protrudes slightly above the face of the probe body so that aerodynamic and hydrodynamic forces are exerted directly against the pin, and pin displacement measures the forces directly. A plurality of probes may be placed in the path of fluid flow in a variety of configurations, as desired.

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