Patent Number: 7,610,816

Title: Flow measurement device

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.

Inventors: Okazaki; Tadao (Hamamatsu, JP)

Assignee: OHM Electric Co., Ltd.

International Classification: G01F 1/58 (20060101)

Expiration Date: 1/03/02017