Micromotion Gmbh

Emerson Electric Company

Micron Motion, Inc.

Emerson Electric, Inc.

Micro Motinn, Inc.

Andrew Timothy Patten

Mark James Bell

Anthony William Pankratz

Craig B. Mcanally

Joel Weinstein

Craig B McAnally

Clinton Ray Griffin

Mitalee Nayan Desai

Craig B Mcanally

Timothy J Cunningham

Martin Andrew Schlosser

Matthew Glen Wheeler

Gregory Treat Lanham

Matthew Joseph Rensing

Daniel Patrick McNulty

Daniel Patrick Mcnulty

Leland Charles Leber

Charles Paul Stack

Gary Edward Pawlas

Graeme Ralph Duffill

Richard L Maginnis

Craig Brainerd Van Cleve

Joseph C Dille

Roger Scott Loving

Andrew Stephen Kravitz

David Frederick Normen

Brian T Smith

Frederick Scott Schollenberger

Matthew T Crisfield

Richard L St Pierre

Goldino Alves

Jonathan Steven Ash

Craig Mcanally

Treat Lanham Gregory

Richard L STPIERRE

David F Normen

Richard L Stpierre

A meter electronics () and a method for detecting and identifying a change in a vibratory meter () is provided. The meter electronics () includes an interface () configured to receive sensor signals () from a meter assembly () and provide information based on the sensor signals () and a processing system () communicatively coupled to the interface (). The processing system () is configured to use the information to determine a first stiffness change () associated with a first location of a conduit (') of the vibratory meter (), determine a second stiffness change () associated with a second location of the conduit (&#x2032;) of the vibratory meter (), and determine a condition of the conduit (&#x2032;) based on the first stiffness change and the second stiffness change.

Detecting and identifying a change in a vibratory meter condition based on stiffness change determination at two locations on the conduit

A system (800) for minimizing a crest in a multi-tone drive signal in a vibratory meter (5) is provided. The system (800) includes a drive signal generator (810) configured to generate the multi-tone drive signal for the vibratory meter (5) and a drive signal detector (820). The drive signal detector (820) is configured to receive the multi-tone drive signal, determine a first maximum amplitude of the multi-tone drive signal having a component at a first phase, determine a second maximum amplitude of the multi-tone drive signal having the component at a second phase, and compare the first maximum amplitude and the second maximum amplitude.

Minimizing a crest in a multi-tone drive signal in a vibratory meter

Vibratory meters (), and methods for their use measuring a fluid are provided. Each vibratory meter includes a multichannel flow tube () comprising two or more fluid channels (), a pickoff (), a driver (), and meter electronics () configured to apply a drive signal to the driver at a drive frequency &#x3c9;, and measure a deflection of the multichannel flow tube with the pickoff. In examples, at least one fluid channel has an effective diameter that is related to velocity of sound and drive velocity. In further examples, the driver may apply a drive signal to the driver having a drive frequency proportional to the velocity of sound and effective diameter.

Vibratory flow meter with multichannel flow tube

A multichannel flow tube () for a vibratory meter (), and a method of manufacturing the multichannel flow tube are provided. The multichannel flow tube comprises a tube perimeter wall (), a first channel division (), and a first support structure (). The first channel division is enclosed within and coupled to the tube perimeter wall, forming a first channel () and a second channel (). The first support structure is coupled to the tube perimeter wall and the first channel division.

Multichannel flow tube with supports

A vibratory meter (), and methods of manufacturing the same are provided. The vibratory meter includes a pickoff, a driver, and a flow tube () comprising a tube perimeter wall with: a first substantially planar section (), a second substantially planar section () coupled to the first substantially planar section to form a first angle &#x3b8;(), a third substantially planar section (), a fourth substantially planar section (), and a fifth substantially planar section ().

Vibratory meter with pointed flow tube

Vibratory meters (), and methods for their use measuring a fluid are provided. Each vibratory meter includes a multichannel flow tube () comprising two or more fluid channels (), a pickoff (), a driver (), and meter electronics () configured to apply a drive signal to the driver at a drive frequency &#x3c9;, and measure a deflection of the multichannel flow tube with the pickoff. At least one fluid channel has an effective diameter that is related to the length of the flow tube.

Vibratory meters (), and methods for their use measuring a fluid are provided. Each vibratory meter includes a multichannel flow tube () comprising two or more fluid channels (), a pickoff (), a driver (), and meter electronics () configured to apply a drive signal to the driver at a drive frequency &#x3c9;, and measure a deflection of the multichannel flow tube with the pickoff. In examples, at least one fluid channel has an effective diameter that is related to kinematic viscosity, inverse Stokes number, and drive frequency. In further examples, the driver may apply a drive signal to the driver having a drive frequency proportional to the kinematic viscosity, inverse Stokes number, and effective diameter.

A vibratory cavity density meter (-) is provided. The vibratory cavity density meter (-) includes a pipe (-) extending from a first end (-) to a second end (-). The first end (-) includes an aperture (-) configured to receive a material from a container () and the second end (-) is self-enclosed so as to contain the material in the pipe (-). The vibratory cavity density meter (-) also includes at least one transducer () coupled to the pipe (-), the at least one transducer () configured to one of induce and sense a vibration in the pipe (-) to measure a property of the material.

Vibratory cavity density meter

A flow conduit assembly (), a method for making the same, a brace bar (), and a vibrating flowmeter including the flow conduit assembly are provided. The flow conduit assembly includes a first flow tube (), a second flow tube (), and a first brace bar () coupled to the first flow tube, wherein the first brace bar does not enclose the first flow tube and the second flow tube.

Integrated brace bar

A vibratory meter (), and methods of manufacturing the same are provided. The vibratory meter includes a pickoff (), a driver (), and a flow tube () comprising a tube perimeter wall with: a first substantially planar section (), a second substantially planar section () coupled to the first substantially planar section to form a first angle &#x3b8;(), and a first curved section ().

A vibratory meter () including a multi-channel flow tube () is provided. The vibratory meter () includes a meter electronics () and a meter assembly () communicatively coupled to the meter electronics (). The meter assembly () includes the multi-channel flow tube () comprising two or more fluid channels () surrounded by a tube wall (). The two or more fluid channels () and tube wall () comprise a single integral structure. A driver () is coupled to the multi-channel flow tube (). The driver () is configured to vibrate the multi-channel flow tube (). The two or more fluid channels () and tube wall () are configured to deform in the same direction as the single integral structure in response to a drive signal applied to the driver ().

Multi-channel flow tube

A method for calculating a fluid parameter of a fluid flowing through a vibratory flow meter is provided. The method comprises vibrating the flow meter at one or more frequencies and receiving a vibrational response. The method further comprises generating a first fluid property and generating at least a second fluid property. The method further comprises calculating a fluid parameter based on the first fluid property and the at least second fluid property.

Method and apparatus for measuring a fluid parameter in a vibrating meter

A method for calibrating a multiple flow conduit flow meter () is provided according to an embodiment of the invention. The multiple flow conduit flow meter () includes a first flow conduit () conducting a first flow stream and a pair of first pickoff sensors (') affixed to the first flow conduit (). The multiple flow conduit flow meter () further includes at least one additional flow conduit () conducting at least one additional flow stream and at least one pair of additional pickoff sensors (&#x2032;) affixed to the at least one additional flow conduit ().

Method for calibrating a multiple flow conduit flow meter

A method for determining a lateral mode stiffness of one or more fluid tubes (A,B) in a vibrating meter () is provided. The method comprises a step of vibrating at least one of the one or more fluid tubes (A,B) in a drive mode vibration. Drive mode sensor signals () are received based on a vibrational response to the drive mode vibration. At least one of the one or more fluid tubes (A,B) is vibrated in a lateral mode vibration, wherein the lateral mode is approximately perpendicular to the drive mode. Lateral mode sensor signals () are received based on a vibrational response to the lateral mode vibrations. The method further comprises determining a lateral mode stiffness () based on the lateral mode sensor signals ().

Detection of a change in the cross-sectional area of a fluid tube in a vibrating meter by determining a lateral mode stiffness

A multiple flow conduit flow meter () is provided according to an embodiment of the invention. The multiple flow conduit flow meter () includes a first flow conduit () conducting a first flow stream and a pair of first pickoff sensors (') affixed to the first flow conduit (). The multiple flow conduit flow meter () further includes at least one additional flow conduit () conducting at least one additional flow stream and at least one pair of additional pickoff sensors (&#x2032;) affixed to the at least one additional flow conduit (). The at least one additional flow stream is independent of the first flow stream. The multiple flow conduit flow meter () further includes a common driver () configured to vibrate both the first flow conduit () and the at least one additional flow conduit () in order to generate a first vibrational response and at least one additional vibrational response.

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Longmont, CO, United States of America

Mark James Bell