Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F23
COMBUSTION APPARATUS; COMBUSTION PROCESSES
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F23N
REGULATING OR CONTROLLING COMBUSTION
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2900/00
Special features of, or arrangements for controlling combustion
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F23N2900/01002
Electromagnetically operated fuel valves with a single solenoid controlling two or more cores
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F23N2900/01002

Two-stage fluid control valve having a first stage mechanical valve and a second stage microvalve
10125988 · 2018-11-13 · ·

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.

Two-Stage Fluid Control Valve Having A First Stage Mechanical Valve And A Second Stage Microvalve
20170211809 · 2017-07-27 · ·

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.