Qeys Instruments develops new technologies for engine components, including sensors, pumps, and injectors used in engine systems and engine exhaust gas processing systems, and control and OBD methods. Our goal is to make engine systems clean, energy efficient, and low cost.
Pumps
Flow Controls
Sensors
System Controls
Two-stage Pulse Signal Control
Reductant Dosing Device with Purging Means
Diagnosis and controls of a fluid delivery apparatus with hydraulic buffer
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US Patent No. 7,896,257, Fuel injector with real-time feedback control.
US Patent No. 8,444,060, Fuel injector with deterioration detection.
