Patent · US Active

Vacuum cleaner

US10849476B2 · kind B2 · utility

0Cited by

8References

10Claims

0Family size

Assignee

LG ELECTRONICS INC. · KR

Inventors

Kietak Hyun · Seoul, KR
Seungyeop Lee · Seoul, KR
Hyukjin Ahn · Seoul, KR

Key dates

Filing date	Nov 29, 2018
Grant date	Dec 1, 2020
Priority date	—
Expiry date	Jun 6, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D50/20
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A vacuum cleaner includes a first cyclone configured to separate dust from air introduced together with foreign objects from a lower side thereof and discharge the separated dust to a first dust storage chamber through an outlet provided at an upper portion thereof, a plurality of second cyclones arranged on an inner circumferential surface of the case and configured to separate fine dust from air which has passed through the first cyclone and discharge the separated fine dust to a second dust storage chamber differentiated from the first dust storage chamber, and a lower configured to form bottom surfaces of the first dust storage chamber and the second dust storage chamber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.