The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 27, 2009
Filed:
Jul. 22, 2005
Satoshi Habu, Osaka, JP;
Koji Nakai, Hyogo, JP;
Takahiro Inoue, Nara, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A drum type washing and drying machine includes a rotary drum provided with drum perforations on the cylindrical surface thereof, a water tub elastically supported in a main body of the machine, for accommodating the rotary drum, a blower unit for circulating air into the rotary drum, a heating unit for heating the air to be circulated into the rotary drum, an air flow passage for directing air, which has been exhausted from the rotary drum into a space between the water tub and the rotary drum through the drum perforations, to the blower unit, a heat exchanging member installed in the air flow passage, and a cooling water supply unit for supplying cooling water to the heat-exchanging member. The heat-exchanging member is slantingly disposed in the air flow passage and has an upper and a lower surface and to form an approximately U-shaped heat exchanging path.