Title:
FLOW RATE MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/060364
Kind Code:
A1
Abstract:
Provided is a flow rate measurement device with which it is possible to ensure sufficient signal intensity even with a low-output light source. A flow rate measurement device comprising a light source unit that irradiates an object with laser light, and a light-receiving unit that receives laser light scattered by the object, the flow rate measurement device detecting the flow speed of a fluid flowing within the object by using an optical Doppler effect, wherein the flow rate measurement device has a light-bending member that bends the laser light radiated from the light source unit and causes the bent laser light to be incident on the object at an incline relative to the surface of the object.
More Like This:
Inventors:
KASAHARA TAKEHIRO (JP)
Application Number:
PCT/JP2020/035999
Publication Date:
April 01, 2021
Filing Date:
September 24, 2020
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G01F1/66; A61B5/026; G01P5/26
Domestic Patent References:
| WO2009081883A1 | 2009-07-02 | |||
| WO2016092681A1 | 2016-06-16 |
Foreign References:
| CN108593027A | 2018-09-28 | |||
| US20130324866A1 | 2013-12-05 | |||
| JPH0515501A | 1993-01-26 | |||
| JPH09257915A | 1997-10-03 |
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
Download PDF: