FIELD: physics.
SUBSTANCE: device for controlling supply of power in response to measurement of air pressure includes an air flow passage channel, a chamber with a hole, a liquid flow limiter configured to constrain the supply of liquid into the chamber through the opening, pressure sensor located in the chamber and intended for detection in the presence of the liquid flow rate limiter of air pressure changes caused by the air flow in the air flow passage, and a circuit for converting changes in air pressure detected by the pressure sensor into control signals for controlling power supply from the battery.
EFFECT: invention relates to power supply control devices in response to air pressure measurement, for example, for use in aerosol supply systems.
20 cl, 14 dwg
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