27-04-2017 дата публикации
Номер: US20170114487A1
Принадлежит:
A washer-extractor machine, in particular a drum type washing machine that provides savings of water, energy and time and at the same time increases washing and extraction efficiency. A washing and rinsing process realized using this machine is also disclosed. 11. A washing-extraction machine () comprising:{'b': 10', '11', '11', '10, 'a tub (), the tub positioned on a shaft bearing (), the shaft bearing () adapted to selectively orient the tub () either along a horizontal plane or inclined at an angle relative to the horizontal plane; and'}{'b': 5', '10, 'a perforated drum () adapted to rotate in the tub (),'}{'b': 5', '9', '9', '45, 'wherein the perforated drum () has a cylindrical surface (), the cylindrical surface () comprising a plurality of protrusions () of various shapes and sizes,'}{'b': 45', '5', '45, 'wherein the height of the protrusions () is less than 6% of the diameter of the drum (), and the number of protrusions () is more than thirty,'}{'b': 45', '9', '5', '46', '31', '32', '33', '9, 'wherein the protrusions () on the cylindrical surface () of the drum () are located side-by-side to provide a plurality hollows () in between, and to provide a protrusive structure (, , ) on the cylindrical surface (), and'}{'b': 21', '9', '5', '21', '46', '45, 'wherein a plurality of drum perforations () are provided on the cylindrical surface () of the drum (), the perforations () being arranged in the hollows () between the protrusions ().'}2194531323348. The washing-extraction machine () according to claim 1 , wherein said perforated drum surface () is covered with the protrusions () spread around drain holes for providing the protrusive structure ( claim 1 , claim 1 ,) to create a physical impact on laundry items () claim 1 , to provide a rubbing effect during washing and rinsing cycles.314548455484645482121. The washing-extraction machine () according to claim 1 , wherein said protrusions () are sufficiently close to each other to hold laundry items () over ...
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