Reduced-energy-consumption actuator
A valve system ( 10 ) includes a piezoelectric transducer ( 44 ) mounted on its housing ( 16 ). To change the valve's state, a microcontroller ( 54 ) causes a valve driver ( 58 ) to drive current through the actuator's coil ( 12 ) at a relatively high level. It continues driving current th...
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| Main Authors | , |
|---|---|
| Format | Patent |
| Language | English |
| Published |
03.06.2004
|
| Online Access | Get full text |
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| Abstract | A valve system (
10
) includes a piezoelectric transducer (
44
) mounted on its housing (
16
). To change the valve's state, a microcontroller (
54
) causes a valve driver (
58
) to drive current through the actuator's coil (
12
) at a relatively high level. It continues driving current through the coil (
12
) at the high level until the transducer's output reaches a magnitude characteristic of the disturbance that typically results when the actuator's armature (
22
) reaches the end of its travel. At that point, the microcontroller (
54
) reduces coil drive. |
|---|---|
| AbstractList | A valve system (
10
) includes a piezoelectric transducer (
44
) mounted on its housing (
16
). To change the valve's state, a microcontroller (
54
) causes a valve driver (
58
) to drive current through the actuator's coil (
12
) at a relatively high level. It continues driving current through the coil (
12
) at the high level until the transducer's output reaches a magnitude characteristic of the disturbance that typically results when the actuator's armature (
22
) reaches the end of its travel. At that point, the microcontroller (
54
) reduces coil drive. |
| Author | Parsons, Natan Mo, Xiaoxiong |
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| Snippet | A valve system (
10
) includes a piezoelectric transducer (
44
) mounted on its housing (
16
). To change the valve's state, a microcontroller (
54
) causes a... |
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| Title | Reduced-energy-consumption actuator |
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