Title:
洗濯乾燥機
Document Type and Number:
Japanese Patent JP6518498
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve reliability of a heat pump device by preventing blockage of a heat exchanger by lint, in a washing and drying machine mounting the heat pump device as a drying heat source.SOLUTION: A washing and drying machine includes a rotary drum, an outer tub for including the rotary drum, a heat pump device, a filter, a blower fan and a circulation air passage for connecting them. The heat pump device is constituted by a refrigerant circuit in which a compressor, a condenser for radiating heat of the refrigerant to the air, decompression means and an evaporator for absorbing heat from the air are connected sequentially. The washing and drying machine has a cooling part which becomes a temperature lower than a dew point temperature of the circulation air during a drying operation on an upstream of the evaporator of the heat pump device.SELECTED DRAWING: Figure 4
Inventors:
Marika Uchida
Masao Imanari
Shigeyuki Sasaki
Katsushi Tomobe
Sugawara Michita
Shin Yuki Kita
Hiroyuki Koike
Masao Imanari
Shigeyuki Sasaki
Katsushi Tomobe
Sugawara Michita
Shin Yuki Kita
Hiroyuki Koike
Application Number:
JP2015090986A
Publication Date:
May 22, 2019
Filing Date:
April 28, 2015
Export Citation:
Assignee:
Hitachi Global Life Solutions, Inc.
International Classes:
D06F58/02; D06F25/00
Domestic Patent References:
| JP2008253395A | ||||
| JP2013081640A | ||||
| JP2014008485A |
Attorney, Agent or Firm:
Yuji Toda