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US 2017/0211809 A1Published application
Two-Stage Fluid Control Valve Having A First Stage Mechanical Valve And A Second Stage Microvalve
AssigneeDunAn Microstaq, Inc.
InventorsE. Nelson Fuller, Parthiban Arunasalam, Joe A. Ojeda, SR.
Life of this patent
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Abstract
A two-stage fluid control valve includes a first stage mechanical control valve movable between an open position and a leak-free closed position, and a second stage microvalve configured to control the flow of fluid through a fluid outlet of the two-stage fluid control valve when the first stage mechanical control valve is in the open position.
Claims20
A two-stage fluid control valve comprising:
- a first stage mechanical control valve movable between an open position and a leak-free closed position;
- and
- a second stage microvalve configured to control the flow of fluid through a fluid outlet of the two-stage fluid control valve when the first stage mechanical control valve is in the open position.
A two-stage burner control valve for a gas range and a gas oven comprising:
- a first stage mechanical control valve movable between an open position and a leak-free closed position;
- and
- a second stage microvalve configured to control the flow of gas through a fluid outlet of the two-stage burner control valve when the first stage mechanical control valve is in the open position.
Dependencies are inferred from the claim text.