| US 7,601,188 B2 | ||
| Vacuum cleaner | ||
| Man Tae Hwang, Changwon-si (Korea, Republic of); Hae Seock Yang, Changwon-si (Korea, Republic of); Hoi Kil Jeong, Changwon-si (Korea, Republic of); Myung Sig Yoo, Changwon-si (Korea, Republic of); Jae Kyum Kim, Kimhae-si (Korea, Republic of); Moo Hyun Ko, Moonkyung-si (Korea, Republic of); Kie Tak Hyun, Changwon-si (Korea, Republic of); Jong Su Choo, Busan-si (Korea, Republic of); Young Bok Son, Changwon-si (Korea, Republic of); Kyeong Seon Jeong, Changwon-si (Korea, Republic of); Min Park, Busan-si (Korea, Republic of); Sung Hwa Lee, Changwon-si (Korea, Republic of); Il Joong Kim, Masan-si (Korea, Republic of); Jin Hyouk Shin, Busan-si (Korea, Republic of); Gun Ho Ha, Busan-Si (Korea, Republic of); Jin Wook Seo, Busan-si (Korea, Republic of); Chang Ho Yun, Changwon-si (Korea, Republic of); Jin Young Kim, Busan-si (Korea, Republic of); Chang Hoon Lee, Kyungsangnam-do (Korea, Republic of); and Yun Hee Park, Kimhae-si (Korea, Republic of) | ||
| Assigned to LG Electronics Inc., Seoul (Korea, Republic of) | ||
| Filed on Mar. 02, 2007, as Appl. No. 11/713,022. | ||
| Application 11/713022 is a continuation of application No. 11/565206, filed on Nov. 30, 2006. | ||
| Claims priority of application No. 2005-0121279 (KR), filed on Dec. 20, 2005; application No. 2005-0126270 (KR), filed on Dec. 20, 2005; application No. 2005-0134094 (KR), filed on Dec. 29, 2005; application No. 2006-0018119 (KR), filed on Feb. 24, 2006; application No. 2006-0018120 (KR), filed on Feb. 24, 2006; application No. 2006-0040106 (KR), filed on May 03, 2006; application No. 2006-0044359 (KR), filed on May 17, 2006; application No. 2006-0044362 (KR), filed on May 17, 2006; application No. 2006-0045415 (KR), filed on May 20, 2006; application No. 2006-0045416 (KR), filed on May 20, 2006; application No. 2006-0046077 (KR), filed on May 23, 2006; application No. 2006-0085919 (KR), filed on Sep. 06, 2006; application No. 2006-0085921 (KR), filed on Sep. 06, 2006; and application No. 2006-0098191 (KR), filed on Oct. 10, 2006. | ||
| Prior Publication US 2007/0256272 A1, Nov. 08, 2007 | ||
| Int. Cl. B01D 45/12 (2006.01) | ||
| U.S. Cl. 55—343 [55/346; 55/349; 55/429; 55/459.1; 55/DIG. 3; 96/380; 96/382] | 10 Claims |
| 1. A vacuum cleaner, comprising:
a main body;
a dust collection device that is removably mounted on the main body;
a main cyclone dust separation device mounted on the dust collection device;
a secondary cyclone dust separation device mounted on the main body, wherein the secondary cyclone dust separation device
receives a flow of air that has already passed through the main cyclone dust separation device; and
a cover mounted on the main body that at least partially surrounds the secondary cyclone dust separation device and that is
configured to attenuate noise produced by the secondary cyclone dust separation device, wherein the dust collection device
is capable of detaching from the main body in a state in which the secondary dust separation device is mounted on the main
body.
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