GAS FLOWMETER

PROBLEM TO BE SOLVED: To provide a highly reliable gas flowmeter capable of preventing stains from adhering to a heating sensor element. SOLUTION: In the gas flowmeter for detecting the mass flow of gas to be measured by heating a heating element part, the heating sensor element is constituted of th...

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Bibliographische Detailangaben
Hauptverfasser:	SUKEGAWA YOSHIHIRO, FUKATSU KATSUAKI, TOKUYASU NOBORU, YAMADA MASAMICHI, YAMAOKA SHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a highly reliable gas flowmeter capable of preventing stains from adhering to a heating sensor element. SOLUTION: In the gas flowmeter for detecting the mass flow of gas to be measured by heating a heating element part, the heating sensor element is constituted of the heating element part made of a heating resistor having a protective coating on its surface and formed in a ceramic bobbin; lead parts electrically connected to both sides of the heating element part; and fixing parts for fixing the lead parts in a gas channel and electrically connected to an external circuit. The lead parts are divided into two in the vicinity of joints to the heating element and arranged in such a way that leads in the downstream side may not be directly exposed to a gas flow. COPYRIGHT: (C)2006,JPO&NCIPI