CONTROL METHOD OF LINEAR DRIVE OR LINEAR COMPRESSOR, AS WELL AS CONTROLLED DRIVE OR LINEAR COMPRESSOR Russian patent published in 2011 - IPC H02P25/06 H02K33/04 F04B35/04 

FIELD: electricity.

SUBSTANCE: in control method of linear drive (2) including stator (4), rotor (5) which moves back and forth inside it along axis (9) of drive and winding (6) of drive, along which winding current flows, especially for linear compressor (3) including piston barrel (7) with compressor piston (8), which moves back and forth inside the barrel along axis (33) of piston and driven by means of linear drive (2), winding current is controlled so that actual and specified winding currents are sufficiently equal. Method is implemented in device (1) and can be used in method for cooling items (25) and/or compression of free-running agent (32), which uses device (1) or control method according to the invention. Control of back and forth movement of rotor (5) or compressor piston (8) can be effectively and accurately controlled with simple means not requiring the use of expensive sensors.

EFFECT: simplifying and improving control accuracy of back and forth movement of rotor or compressor piston and increasing efficiency coefficient of the drive.

23 cl, 9 dwg