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:
Dec. 16, 2008
Filed:
Nov. 16, 2004
Sang Heon Yoon, Seoul, KR;
Nung Seo Park, Incheon, KR;
Dae Yeong Han, Seoul, KR;
SI Moon Jeon, Seoul, KR;
Sang Heon Yoon, Seoul, KR;
Nung Seo Park, Incheon, KR;
Dae Yeong Han, Seoul, KR;
Si Moon Jeon, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A water recirculator in a dishwasher supplies water to spray arms for washing dishes and also purifies contaminated water after washing the dishes. The water recirculator includes a sump for holding water, a water supply pump connected to the sump, a guide passage for guiding a portion of the water pumped by the water supply pump to a spray arm in a washing chamber, a pre-filtering unit for purifying a rest of the water pumped by the water pumped by the water supply pump by means of precipitating contaminants included in the water therein, and a main filtering unit for purifying the rest of the water passed through the pre-filtering unit.