The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 01, 2006
Filed:
Aug. 19, 2004
Yasuhiro Umekage, Shiga, JP;
Yukio Nagaoka, Kyoto, JP;
Osamu Eguchi, Nara, JP;
Shuji Abe, Nara, JP;
Yuji Nakabayashi, Nara, JP;
Kenzo Ohji, Nara, JP;
Fumikazu Shiba, Nara, JP;
Akihisa Adachi, Kanagawa, JP;
Masahiko Hashimoto, Tokyo, JP;
Toshiharu Sato, Kanagawa, JP;
Yuji Fujii, Nara, JP;
Yasuhiro Umekage, Shiga, JP;
Yukio Nagaoka, Kyoto, JP;
Osamu Eguchi, Nara, JP;
Shuji Abe, Nara, JP;
Yuji Nakabayashi, Nara, JP;
Kenzo Ohji, Nara, JP;
Fumikazu Shiba, Nara, JP;
Akihisa Adachi, Kanagawa, JP;
Masahiko Hashimoto, Tokyo, JP;
Toshiharu Sato, Kanagawa, JP;
Yuji Fujii, Nara, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
An ultrasonic flowmeter includes a transmission/reception means provided in a flow path for performing transmission/reception using a state change of fluid; repetition means for repeating the transmission/reception; time measurement means for measuring a time of propagation repeated by the repetition means; flow rate detection means for detecting a flow rate based on a value of the time measurement means; and number-of-times change means for changing to a predetermined number of repetition times. With such a structure, an influence caused by a variation of a flow can be suppressed by changing the number of repetition times so as to be suitable for a variation. As a result, reliable flow rate measurement with a high accuracy can be achieved.