Patent US7438737B2 successfully refreshed from Google Patents.
US7438737B2
Expired / Lapsed
US
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Vacuum cleaner
Assignee: Samsung Electronics Co Ltd
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Filing: 2005-06-02
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Granted: 2008-10-21
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Expires: 2025-06-02
Abstract
Abstract A cyclone vacuum cleaner including a plurality of cyclone chambers arranged in a group. The cyclone chambers are configured such that frequency characteristics of noises generated from respective cyclone chambers are different from each other.
Inventors
- 👤 Hwa Gyu Song
- 👤 Jun Hwa Lee
- 👤 Jae Man Joo
- 👤 Soo Yong Choi
- 👤 Seung Gee Hong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:35
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/16; A47L9/0081; A47L9/1608; A47L9/1616; A47L9/1641; A47L9/1658; Y; Y10; Y10S; Y10S55/00; Y10S55/03
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
77 words
A vacuum cleaner comprising: a plurality of cyclone chambers arranged in a group; wherein the configurations of the cyclone chambers are different from each other so that frequency characteristics of noises generated from respective cyclone chambers are different from each other; wherein the cyclone chambers have a cone-shape; and wherein the cyclone chambers further comprise extending pipes extended from portions of the cyclone chambers with maximal diameter, and said extending pipes have lengths different from each other.
Claim 2
Dependent Claim
77 words
A vacuum cleaner comprising: a plurality of cyclone chambers arranged in a group; wherein the configurations of the cyclone chambers are different from each other so that frequency characteristics of noises generated from respective cyclone chambers are different from each other; wherein the cyclone chambers have a cone-shape; and wherein the cyclone chambers further comprise extending pipes extended from portions of the cyclone chambers with maximal diameter, and said extending pipes have lengths different from each other.
Claim 3
Dependent Claim
27 words
The vacuum cleaner as set forth in claim 1 , wherein the cyclone chambers comprise: outlets; and extending pipes extended from the outlets and having unique lengths.
Claim 4
Dependent Claim
21 words
The vacuum cleaner as set forth in claim 1 , wherein volumes of the cyclone chambers are different from each other.
Claim 5
Dependent Claim
40 words
The vacuum cleaner as set forth in claim 1 wherein the cyclone chambers further comprise outlets formed at ends thereof, said cyclone chambers exhausting dust; and wherein extending pipes extend from the outlets and have lengths different from each other.
Claim 6
Dependent Claim
29 words
The vacuum cleaner according to claim 2 , wherein the cyclone chambers have a cone-shape and said outlets are formed at a minimum diameter portion of said cyclone chambers.
Claim 7
Dependent Claim
20 words
The vacuum cleaner as set forth in claim 1 , wherein the plurality of cyclone chambers are arranged in parallel.
Claim 8
Dependent Claim
18 words
The vacuum cleaner as set forth in claim 1 , wherein the cyclone chambers have different maximal diameters.
Claim 9
Dependent Claim
21 words
The vacuum cleaner according to claim 1 , wherein the cyclone chambers further comprise outlets, and said outlets have different diameters.
Claim 10
Dependent Claim
72 words
A vacuum cleaner comprising: a first cyclone chamber separating large foreign matter from air; and a plurality of second cyclone chambers smaller than the first cyclone chamber and separating fine dust from the air passed through the first cyclone chamber, wherein configurations of the second cyclone chambers are different from each other so as to allow frequency characteristics of noises generated from the second cyclone chambers to be different from each other.
Claim 11
Dependent Claim
72 words
A vacuum cleaner comprising: a first cyclone chamber separating large foreign matter from air; and a plurality of second cyclone chambers smaller than the first cyclone chamber and separating fine dust from the air passed through the first cyclone chamber, wherein configurations of the second cyclone chambers are different from each other so as to allow frequency characteristics of noises generated from the second cyclone chambers to be different from each other.
Claim 12
Dependent Claim
31 words
The vacuum cleaner as set forth in claim 9 , wherein the second cyclone chambers comprise: outlets; and extending pipes extended from the outlets and having lengths different from each other.
Claim 13
Dependent Claim
22 words
The vacuum cleaner as set forth in claim 9 , wherein volumes of the second cyclone chambers are different from each other.
Claim 14
Dependent Claim
18 words
The vacuum cleaner as set forth in claim 9 , wherein the second cyclone chambers have a cone-shape.
Claim 15
Dependent Claim
39 words
The vacuum cleaner as set forth in 12 , wherein the second cyclone chambers further comprise extending pipes extended from portions of the second cyclone chambers with maximal diameter, and said extending pipes have lengths different from each other.
Claim 16
Dependent Claim
39 words
The vacuum cleaner as set forth in 12 , wherein the second cyclone chambers further comprise extending pipes extended from portions of the second cyclone chambers with maximal diameter, and said extending pipes have lengths different from each other.
Claim 17
Dependent Claim
40 words
The vacuum cleaner as set forth in claim 12 , wherein the second cyclone chambers further comprise outlets formed at ends thereof and exhausting dust; and wherein extending pipes extend from the outlets and have lengths different from each other.
Claim 18
Dependent Claim
19 words
The vacuum cleaner as set forth in claim 9 , wherein the second cyclone chambers have different maximal diameters.
Claim 19
Dependent Claim
22 words
The vacuum cleaner according to claim 9 , wherein the second cyclone chambers further comprise outlets, and said outlets have different diameters.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2011-10-21 | 2012-04-21 | 2012-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2015-10-21 | 2016-04-21 | 2016-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2019-10-21 | 2020-04-21 | 2020-10-21 | $7700.00 | Window Closed / Lapsed |