Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Hokushin Electric Corp
Yokogawa Electric Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yokogawa Hokushin Electric Corp, Yokogawa Electric Works LtdfiledCriticalYokogawa Hokushin Electric Corp
Priority to JP3135776ApriorityCriticalpatent/JPS52115269A/en
Publication of JPS52115269ApublicationCriticalpatent/JPS52115269A/en
PURPOSE:To perform measurement of velocities of flow of high stability and accuracy by oscillating acoustic wave frequencies that make the wavelength in fluid always constant.
JP3135776A1976-03-241976-03-24Ultrasonic current meter
PendingJPS52115269A
(en)
Mass flow measurement using oscillating vanes - involves moving vanes at 90 degrees to flow at given frequency and amplitude and measuring power consumption