Title:
超音波流量スイッチ
Document Type and Number:
Japanese Patent JP6491949
Kind Code:
B2
Abstract:
Provided is an ultrasonic flow switch that can be used by simple setting operation. Input information regarding at least one of the pipe and the fluid is accepted, a flow rate of the fluid in the pipe is calculated, based on an output signal of at least one of the ultrasonic elements, and the accepted input information, and an on/off signal is outputted, based on the calculated flow rate and a flow rate threshold value decided beforehand. In a simple setting mode, only an outer diameter of the pipe, only a thickness of the pipe, or both the outer diameter and the thickness of the pipe is (are) accepted as the input information.
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Inventors:
Ishikawa Kaname
Tomonori Hanada
Tomonori Hanada
Application Number:
JP2015099222A
Publication Date:
March 27, 2019
Filing Date:
May 14, 2015
Export Citation:
Assignee:
Keyence Corporation
International Classes:
G01F1/66; H01H35/00; H01H35/40
Domestic Patent References:
| JP4614666B2 | ||||
| JP4966373A | ||||
| JP4961889B2 |
Foreign References:
| US8356522 |
Attorney, Agent or Firm:
Yoshito Fukushima
Sawamura Hideyuki
Sawamura Hideyuki