Flow measurement device

Details Flow measurement device Flow measurement device

2008-04-21

2009-11-03

Thompson, Jewel (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

Reexamination Certificate

active

07610816

ABSTRACT:
The present invention discloses a flow measurement device that includes: a wave guide tube type resonant cavity; a penetrating space that penetrates the resonant cavity; a duct support part that is made of a dielectric substance and is in the resonant cavity and surrounds an outside of the penetrating space; a transmitting antenna that transmits a microwave in a direction along a longitudinal axial direction of the resonant cavity to provide a standing wave or a traveling wave of the microwave, with the microwave transmitted in a space that is outside of duct support part and inside of the resonant cavity; and a receiving antenna that receives the standing wave or the traveling wave.

REFERENCES:
patent: 5793216 (1998-08-01), Constant
patent: 6009760 (2000-01-01), Jakkula et al.
patent: 6015387 (2000-01-01), Schwartz et al.
patent: H05-010611 (1993-02-01), None
patent: 2573645 (1996-10-01), None
patent: H10-160540 (1998-06-01), None

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