Washing machine

Details Washing machine Washing machine

1991-10-11

1993-08-10

Coe, Philip R.

Textiles: fluid treating apparatus

Machines

Single tub and automatic sequential operation mechanism

D06F 3302

Patent

active

052338479

ABSTRACT:
Disclosed is a washing machine which comprises a DC brushless motor to drive a pulsator, an inverter circuit to generate outputs to drive the DC brushless motor by periodically switching input DC voltages with a switching device, an inverter controlling circuit for adjusting outputs of the inverter circuit by controlling the switching operation of the switching device in the inverter circuit, and a detecting mechanism for detecting laundry amount based on a rotating speed of the DC brushless motor and an inverter current flowing through the inverter circuit with the switching device under a constantly controlled state.

REFERENCES:
patent: 5092140 (1992-03-01), Matsuo et al.

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