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Class Information
Number: 976/DIG.221
Name: Nuclear technology > Monitoring; testing; maintaining [g21c-17/00] > Devices or arrangements for monitoring coolant or moderator [g21c-17/02] > Reactor coolants flow measuring or monitoring [g21c-17/02h] *** (measuring volume or mass flow in general g01f)

Patents under this class:

Patent Number Title Of Patent Date Issued
4874572 Method of and apparatus for measuring vapor density Oct. 17, 1989
4854178 Flowmeter for dangerous fluids Aug. 8, 1989
4842806 Device for measuring recirculating flow rate in a nuclear reactor Jun. 27, 1989
4622202 Reactor in-vessel sensor and core monitoring apparatus Nov. 11, 1986
4472346 Ultrasonic flaw detector device Sep. 18, 1984
4382059 Power change operating method of a boiling water reactor May. 3, 1983
4297873 Plugging device Nov. 3, 1981
4255235 Device for measuring the flow rate of cooling fluid at the inlet of the core of a water-cooled reactor Mar. 10, 1981
4253093 Scram signal generator Feb. 24, 1981
4232224 Nuclear reactor primary coolant loop flowmeter with phase shift tracking compensation Nov. 4, 1980
4178795 Plugging meter Dec. 18, 1979
4149139 Ultrasonic transmission device Apr. 10, 1979
3993539 Method and device for measuring fluid flow Nov. 23, 1976

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