Measuring and testing – Meteorology – Electric disturbance
Patent
1983-08-09
1985-11-12
Ruehl, Charles A.
Measuring and testing
Meteorology
Electric disturbance
73189, 7386128, G01P 500, G01F 166
Patent
active
045520160
ABSTRACT:
A sensor for a currentmeter includes a supporting member which is provided to support a pair of transmitter/receiver units which rotate around an axis that is not parallel to (i.e.-intersects) a transmission path of supersonic waves which propagate between the units. Sing-around signals which are transmitted correspond to each rotating position of the supporting member. Since only one pair of transmitter/receiver units is required, current turbulence caused by the supporting member is reduced so that a highly precise measurement of the current flowing between the pair of transmitter/receiver units may be obtained.
REFERENCES:
patent: 3546935 (1970-12-01), Bruha
patent: 4094193 (1978-06-01), Gerlach
patent: 4391136 (1983-07-01), Perkins et al.
Ruehl Charles A.
The Tsurumi-Seiko Co., Ltd.
Tumm Brian R.
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