Patent US6736873B2 successfully refreshed from Google Patents.
US6736873B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air flow passage for a vacuum cleaner
Assignee: Omachron Intellectual Property Inc
•
Filing: 2002-12-19
•
Granted: 2004-05-18
•
Expires: 2022-12-19
Abstract
Abstract A vacuum cleaner is provided having improved pressure loss characteristics. A fluid supply conduit in flow communication with an inlet to a cyclone is integrally formed as part of a cyclone bin. The present invention may be adapted for use with cyclonic separation devices of all types, including single- and multi-stage cyclonic separators.
Inventors
- 👤 Wayne Ernest Conrad
- 👤 Helmut Gerhard Conrad
- 👤 Ted Szylowiec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:29
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/16; A47L9/1616; A47L9/1625; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/30; A47L9/0009; A47L9/1641; A47L9/165; A47L9/1658; A47L9/1666; A47L9/1691; B; B01; B01D; B01D45/00; B01D45/12; B01D45/16; B04; B04C; B04C5/00; B04C5/02; B04C5/08; B04C5/103; Y; Y10; Y10S; Y10S55/00; Y10S55/03
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
85 words
A vacuum cleaner comprising: (a) a cleaning head; (b) at least one cyclone container having a wall having an inner surface, a bottom and a longitudinally extending axis; (c) a fluid inlet to the at least one cyclone container; and, (d) a fluid conduit integrally formed as part of the cyclone container, extending through the at least one cyclone container to an opening in the bottom of the at least one cyclone container and comprising an air exit for the at least one cyclone container.
Claim 2
Dependent Claim
85 words
A vacuum cleaner comprising: (a) a cleaning head; (b) at least one cyclone container having a wall having an inner surface, a bottom and a longitudinally extending axis; (c) a fluid inlet to the at least one cyclone container; and, (d) a fluid conduit integrally formed as part of the cyclone container, extending through the at least one cyclone container to an opening in the bottom of the at least one cyclone container and comprising an air exit for the at least one cyclone container.
Claim 3
Dependent Claim
21 words
The vacuum cleaner as claimed in claim 1 wherein the fluid conduit extends through a central portion of the cyclone container.
Claim 4
Dependent Claim
22 words
The vacuum cleaner as claimed in claim 1 wherein the fluid inlet is positioned adjacent the inner wall of the cyclone container.
Claim 5
Dependent Claim
41 words
The vacuum cleaner as claimed in claim 1 wherein the fluid inlet is configured to redirect air traveling there through in a first direction towards the wall and in a second direction to introduce the fluid tangentially to the cyclone container.
Claim 6
Dependent Claim
15 words
The vacuum cleaner as claimed in claim 1 wherein in the fluid conduit extends linearly.
Claim 7
Dependent Claim
29 words
The vacuum cleaner as claimed in claim 1 wherein the fluid conduit extends to the bottom of the cyclone container and comprises an air exit for the cyclone container.
Claim 8
Dependent Claim
30 words
The vacuum cleaner as claimed in claim 1 wherein the cyclone container has a top and the fluid conduit extends from the top to the bottom of the cyclone container.
Claim 9
Dependent Claim
19 words
The vacuum cleaner as claimed in claim 7 the fluid conduit comprises an air exit for the cyclone container.
Claim 10
Dependent Claim
17 words
The vacuum cleaner as claimed in claim 7 the fluid conduit direct air to the fluid inlet.
Claim 11
Dependent Claim
22 words
The vacuum cleaner as claimed in claim 1 wherein the at least one cyclone container is removably mounted on the vacuum cleaner.
Claim 12
Dependent Claim
17 words
The vacuum cleaner as claimed in claim 1 wherein the vacuum cleaner has a single cyclone container.
Claim 13
Dependent Claim
63 words
A vacuum cleaner comprising: (a) a cleaning head; (b) at least one cyclone container having a wall having an inner surface and a longitudinally extending axis; (c) a fluid inlet to the at least one cyclone container; and, (d) a fluid conduit integrally formed as part of the at least one cyclone container and positioned exterior to the at least one cyclone container.
Claim 14
Dependent Claim
63 words
A vacuum cleaner comprising: (a) a cleaning head; (b) at least one cyclone container having a wall having an inner surface and a longitudinally extending axis; (c) a fluid inlet to the at least one cyclone container; and, (d) a fluid conduit integrally formed as part of the at least one cyclone container and positioned exterior to the at least one cyclone container.
Claim 15
Dependent Claim
14 words
The vacuum cleaner as claimed in claim 12 wherein the fluid conduit extends linearly.
Claim 16
Dependent Claim
22 words
The vacuum cleaner as claimed in claim 12 wherein the at least one cyclone container is removably mounted on the vacuum cleaner.
Claim 17
Dependent Claim
17 words
The vacuum cleaner as claimed in claim 12 wherein the vacuum cleaner has a single cyclone container.
Claim 18
Dependent Claim
64 words
A vacuum cleaner comprising: (a) a cleaning head; (b) a cyclone container having a wall having an inner surface and a longitudinally extending axis; (c) a fluid inlet to the at least one cyclone container; and, (d) a fluid conduit extending through the cyclone container to an opening in the bottom of the cyclone container and comprises an air exit for the cyclone container.
Claim 19
Dependent Claim
64 words
A vacuum cleaner comprising: (a) a cleaning head; (b) a cyclone container having a wall having an inner surface and a longitudinally extending axis; (c) a fluid inlet to the at least one cyclone container; and, (d) a fluid conduit extending through the cyclone container to an opening in the bottom of the cyclone container and comprises an air exit for the cyclone container.
Claim 20
Dependent Claim
21 words
The vacuum cleaner as claimed in claim 16 wherein the fluid conduit extends through a central portion of the cyclone container.
Claim 21
Dependent Claim
22 words
The vacuum cleaner as claimed in claim 16 wherein the fluid inlet is positioned adjacent the inner wall of the cyclone container.
Claim 22
Dependent Claim
15 words
The vacuum cleaner as claimed in claim 16 wherein in the fluid conduit extends linearly.
Claim 23
Dependent Claim
15 words
The vacuum cleaner as claimed in claim 17 wherein in the fluid conduit extends linearly.
Claim 24
Dependent Claim
19 words
The vacuum cleaner as claimed in claim 16 wherein the cyclone container is removably mounted on the vacuum cleaner.
Claim 25
Dependent Claim
17 words
The vacuum cleaner as claimed in claim 16 wherein the vacuum cleaner has a single cyclone container.
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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) | 2007-05-18 | 2007-11-17 | 2008-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2011-05-18 | 2011-11-17 | 2012-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2015-05-18 | 2015-11-17 | 2016-05-18 | $7700.00 | Window Closed / Lapsed |