Multi-parametric media transducer

Details Multi-parametric media transducer Multi-parametric media transducer

2007-01-30

2007-01-30

Thompson, Jewel (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring thrust or drag forces

Reexamination Certificate

active

11448696

ABSTRACT:
A multi-parametric transducer is provided. In one aspect of the invention, the multi-parametric transducer includes an enclosure having an inner bore that defines a port, an inner chamber coaxial with the inner bore and disposed in the enclosure, and a sensing tube surrounding at least a portion of the inner chamber. The transducer further includes a temperature probe having a resistive temperature device (RTD) element disposed in a reinforced sheath at a measurement end of the transducer. The reinforced sheath is configured as a flow force sensing beam having a first end that extends through the sensing tube toward a signal end of the transducer and a second end that extends through the port outside the enclosure toward the measurement end of the transducer. A flow sensor is provided with measuring portions positioned on the sensing tube along a flow sensing axis that is substantially parallel to the media flow axis that provides a signal indicative of the media flow rate at the measurement end of the reinforced sheath.

REFERENCES:
patent: 4347745 (1982-09-01), Singh
patent: 5663508 (1997-09-01), Sparks
patent: 6212958 (2001-04-01), Conley
patent: 6408698 (2002-06-01), Brereton et al.
patent: 6592253 (2003-07-01), Nyffenegger et al.
patent: 6631648 (2003-10-01), Lal et al.
patent: 6901794 (2005-06-01), Zobel et al.

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