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:
May. 01, 1990
Filed:
Oct. 05, 1988
Applicant:
Inventors:
Sooichi Fukuzawa, Hitachi, JP;
Tamotu Shikamori, Ibaraki, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F26B / ;
U.S. Cl.
CPC ...
34 58 ; 34133 ; 2103802 ; 210381 ;
Abstract
A washing/dehydrating machine performing a centrifugal dehydration by rotating a washing/dehydrating tub having a plurality of discharging ports in high speed comprises a plurality of protrusions protruded toward inwardly formed on an inner surface of the washing/dehydrating tub. A total volume of the protrusions is determined in a range of 3% to 6% of capacity of the washing/dehydrating tub. A water saturated region in the wash is reduced by an amount of volume corresponding to the total volume of the protrusions.