Patent ID: 6523421
Filing Date: 2003-02-25
Classification: G01F

Abstract:
A Coriolis flowmeter, comprising:at least one flow tube formed from a first metal; a casing formed from at least one dissimilar metal and configured to enclose said at least one flow tube; a first process connection formed from said first metal and said at least one dissimilar metal metallurgically bonded to said first metal, said first process connection having: a first end that includes said first metal, a second end that includes said at least one dissimilar metal, and an aperture extending through said first process connection from said first end of said first process connection to said second end of said first process connection; and a second process connection formed from said first metal and said at least one dissimilar metal metallurgically bonded to said first metal, said second process connection having: a first end that includes said first metal, a second end that includes said at least one dissimilar metal, and an aperture extending through said second process connection from said first end of said second process connection to said second end of said second process connection; said at least one flow tube extending through said aperture of said first process connection with a first end of said at least one flow tube affixed to said first end of said first process connection and extending through said aperture of said second process connection with a second end of said at least one flow tube affixed to said first end of said second process connection to provide a flow path enclosed by said first metal; said casing having a first end affixed to said second end of said first process connection and having a second end affixed to said second end of said second process connection to enclose said at least one flow tube with said at least one dissimilar metal.