ELECTRONIC VAPORISER SYSTEM
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United States of America Patent
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Sep 1, 2016
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Feb 28, 2014
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Abstract
An electronic cigarette vaporiser system including a piezo-electric pump that pumps e-liquid into an electronic vaporizer in which a sensor detects whether air or e-liquid is present in the liquid feed line into the piezo-electric pump and adjusts an operating parameter of the pump accordingly. The operating parameter that is adjusted can be the frequency of the actuators in the piezo-pump; it can be 300 Hz for air and 15 Hz for e-liquid. The frequency can also be adjusted in dependence on the viscosity or temperature of the e-liquid.
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