US 10,590,583 B2 · Washing and drying machine

Abstract

Improvement in heat exchange efficiency can be promoted, a heat exchange can be efficiently performed, a space can be saved, and drying time can be shortened. A washing and drying machine includes a drum configured to accommodate clothes, a motor configured to drive the drum, a tub configured to accommodate the drum and store washing water, and a circulation flow path configured to circulate drying air into and out of the drum. A circulation duct constituting a part of the circulation flow path is connected to a converging portion configured to converge drying air. A dehumidifier is installed in one or more duct systems of the circulation duct. The washing and drying machine further includes a controller configured to control the dehumidifier and two duct cleaning pipes installed in branch ducts and configured to supply water to the dehumidifier.

Claims20

Dependent claims

A washing and drying machine comprising:

a drum configured to rotate about a rotary shaft;
a tub provided at an outside of the drum to accommodate the drum;
a circulation flow path configured to circulate air into and out of the drum;
a circulation duct provided on the circulation flow path, the circulation duct including:
a fan connection, and
a plurality of independent duct systems that converge at an upstream side of the fan connection, wherein the circulation duct is provided from the tub to the fan connection by branch ducts;
a dehumidifier installed in one or more of the plurality of independent duct systems;
a water supply pipe installed around the plurality of independent duct systems, the water supply pipe including a valve;
and
at least one processor configured to independently adjust an amount of dehumidifying coolant being supplied to the branch ducts by controlling the valve.

7 more elements

Dependencies are inferred from the claim text.

Washing and drying machine

Life of this patent

Washing and drying machine

Life of this patent

Abstract

Claims20