Meter electronics and methods for determining void fraction of gas
First Claim
1. Meter electronics (20) for determining a void fraction of gas in a flow material flowing through a flow meter (5), the meter electronics (20) comprising:
- an interface (201) for receiving a frequency response of the flow material; and
a processing system (203) in communication with the interface (201) and configured to receive the frequency response from the interface (201), break out the frequency response into at least a gas frequency component and a fluid frequency component with one or more filters, and determine the void fraction of gas from the frequency response and one or more of the gas frequency component and the fluid frequency component.
1 Assignment
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Accused Products
Abstract
Meter electronics (20) for determining a void fraction of gas in a flow material flowing through a flow meter (5) is provided according to an embodiment of the invention. The meter electronics (20) includes an interface (201) for receiving a frequency response of the flow material and a processing system (203) in communication with the interface (201). The processing system (203) is configured to receive the frequency response from the interface (201), break out the frequency response into at least a gas frequency component and a fluid frequency component, and determine the void fraction of gas from the frequency response and one or more of the gas frequency component and the fluid frequency component.
14 Citations
32 Claims
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1. Meter electronics (20) for determining a void fraction of gas in a flow material flowing through a flow meter (5), the meter electronics (20) comprising:
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an interface (201) for receiving a frequency response of the flow material; and a processing system (203) in communication with the interface (201) and configured to receive the frequency response from the interface (201), break out the frequency response into at least a gas frequency component and a fluid frequency component with one or more filters, and determine the void fraction of gas from the frequency response and one or more of the gas frequency component and the fluid frequency component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for determining a void fraction of gas in a flow material flowing through a flow meter, the method comprising:
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receiving a frequency response of the flow material in a meter electronics of the flow meter; the meter electronics breaking out the frequency response into at least a gas frequency component and a fluid frequency component with one or more filters; and the meter electronics determining the void fraction of gas from the frequency response and one or more of the gas frequency component and the fluid frequency component. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for determining a void fraction of gas in a flow material flowing through a flow meter, the method comprising:
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receiving a frequency response of the flow material in a meter electronics of the flow meter; the meter electronics processing the frequency response with a notch filter that substantially rejects one of a gas frequency component and a fluid frequency component; and the meter electronics determining the void fraction of gas from the frequency response and one or more of the gas frequency component and the fluid frequency component. - View Dependent Claims (21, 22, 23, 24, 25)
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26. A method for determining a void fraction of gas in a flow material flowing through a flow meter, the method comprising:
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receiving a frequency response of the flow material in a meter electronics of the flow meter; the meter electronics filtering the frequency response with a first filter that substantially rejects the gas frequency component and substantially passes the fluid frequency component, wherein the first filter outputs the fluid frequency component;
the meter electronics filtering the frequency response with a second filter that substantially rejects the fluid frequency component and substantially passes the gas frequency component, wherein the second filter outputs the gas frequency component; the meter electronics determining the void fraction of gas from the frequency response and one or more of the gas frequency component and the fluid frequency component. - View Dependent Claims (27, 28, 29, 30, 31, 32)
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Specification