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US 7,925,457 B2Granted
Flow meter and airflow measurement using an airfoil
AssigneeInternational Business Machines Corporation
InventorsJames Gordon McLean, Keith Manders Campbell, Raymond Todd Greggs, Carloine Magdy Metry
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Abstract
One embodiment provides a flow meter including an airfoil movably secured in the airflow path of a fan in an electronic system. The airfoil is configured to generate a lift component in response to the airflow. A sensor engages the airfoil and generates a signal in relation to the movement of the airfoil. Airflow parameters such as volumetric airflow rate and turbulence may be identified by an analysis of the movement of the airfoil.
Claims19
A flow meter, comprising:
- an airfoil movably secured to a frame in the airflow path of a fan in an electronic system, the airfoil being configured to generate lift in response to the airflow;
- and
- a sensor that engages the airfoil and generates a signal in relation to the magnitude of the lift.
A method of measuring an airflow rate, comprising:
- generating airflow through an electronic system;
- passing the airflow over an airfoil movably secured within the electronic system to generate lift and move the airfoil in relation to the amount of lift;
- and
- sensing the movement of the airfoil and generating a signal in relation to the movement.
1 more element
Dependencies are inferred from the claim text.