Compact flowmeter with novel flow tube configuration and related method

Patent metadata

Field	Value
Publication number	US-10557735-B2
Application number	US-201515777442-A
Country	US
Kind code	B2
Filing date	Dec 18, 2015
Priority date	Dec 18, 2015
Publication date	Feb 11, 2020
Grant date	Feb 11, 2020

Abstract

A flowmeter (5) is provided having a sensor assembly (10) connected to meter electronics (20), wherein the sensor assembly (10) comprises at least one driver (104), at least one pickoff (105), and a first D-shaped conduit (400A) configured to receive a process fluid therein, as well as a second D-shaped conduit (400B) configured to receive a process fluid therein.

First claim

What is claimed is:

1. A flowmeter ( 5 ) having a sensor assembly ( 10 ) connected to meter electronics ( 20 ), wherein the sensor assembly ( 10 ) comprises at least one driver ( 104 ) and at least one pickoff ( 105 ), comprising:
a first D-shaped conduit ( 400 A) configured to receive a process fluid therein; and
a second D-shaped conduit ( 400 B) configured to receive a process fluid therein;
wherein the combined width of the first and second D-shaped conduits ( 400 A, 400 B) in addition to a space therebetween (S 2 ), is less than a width of an inlet pipe ( 120 ).

2. The flowmeter ( 5 ) of claim 1 , wherein flat portions ( 206 ) of each D-shaped conduit ( 400 A, 400 B) are positioned proximate and substantially parallel to each other.

3. The flowmeter ( 5 ) of claim 1 , wherein a β value of the D-shaped conduits ( 400 A, 400 B) is approximately 0.8.

4. Flow conduits ( 400 ) for a flowmeter ( 5 ) sensor assembly ( 10 ) comprising:
a first D-shaped conduit ( 400 A) configured to receive a process fluid therein; and
a second D-shaped conduit ( 400 B) configured to receive a process fluid therein,
wherein the flow conduits ( 400 ) are configured to have a combined width of the first and second D-shaped conduits ( 400 A, 400 B) in addition to a space therebetween (S 2 ), that is less than a width of an inlet pipe ( 120 ) configured to be in fluid communication therewith.

5. The flow conduits ( 400 ) of claim 4 , wherein flat portions ( 206 ) of each D-shaped conduit ( 400 A, 400 B) are positioned proximate and substantially parallel to each other.

6. The flowmeter ( 5 ) of claim 4 , wherein a β value of the D-shaped conduits ( 400 A, 400 B) is approximately 0.8.

7. A method of forming a flowmeter comprising the step of: providing a sensor assembly comprising conduits and at least one driver and at least one pickoff attached to the conduits, wherein the conduits comprise:
a first D-shaped conduit configured to receive a process fluid therein; and
a second D-shaped conduit configured to receive a process fluid therein;
forming the first and second D-shaped conduits such that their combined width, including a space therebetween, is less than a width of an inlet pipe.

8. The method of claim 7 , comprising the steps of:
providing flat portions of each D-shaped conduit; and
positioning the flat portions of each D-shaped conduit proximate and substantially parallel to each other.

9. The method of claim 8 , comprising the step of forming the first and second D-shaped conduits such that a β value of the D-shaped conduits is approximately 0.8.

Assignees

• Micro Motion Inc

Inventors

• Clinger Asher James

Classifications

• G01F1/8409 Primary

  constructional details · CPC title

• G01F1/845

  arrangements of measuring means, e.g., of measuring conduits · CPC title

• G01F1/8404

  details of flowmeter manufacturing methods · CPC title