TIMER FOR REFRIGERATING DEVICES Russian patent published in 2005 - IPC

FIELD: refrigeration automatics.

SUBSTANCE: timer comprises power source, time counter, heater, detector of termination of defrosting, compressor, three-contact relay, two single-period rectifiers, and first and second quenching elements. The common output of the time counter is connected with the second pole of the power source. The counting input of the time counter is connected to the second unmovable terminal of the relay through the detector of termination of defrosting and with the first pole of the power source through the heater. The output of the time counter is connected with the unmovable contacts of the relay through three chains defined by the winding and threshold unit, first rectifier and first quenching unit, second rectifier and second quenching unit.

EFFECT: reduced sizes.

1 dwg