Patent US6582489B2 successfully refreshed from Google Patents.
US6582489B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus of particle transfer in multi-stage particle separators
Assignee: Bissell Homecare Inc
•
Filing: 2001-12-20
•
Granted: 2003-06-24
•
Expires: 2021-12-20
Abstract
Abstract An improved two-stage separator uses reusable containers for collecting particles separated by each separation stage. The reusable containers are constructed such that a user empties both reusable containers by the actions required to empty just one of the reusable containers.
Inventors
- 👤 Wayne Ernest Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:49
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/16; A47L9/1616; A47L9/1625; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L9/0009; A47L9/009; A47L9/1641; A47L9/1683; B; B01; B01D; B01D45/00; B01D45/12; B01D45/16; B01D50/00; B01D50/20; Y; Y10; Y10S; Y10S55/00; Y10S55/03
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
112 words
A separator for separating entrained particles from a fluid flow, the separator comprising: (a) a first particle separation member; (b) a reusable particle collector disposed beneath the particle separation member, the reusable particle collector having a moveable member movably mounted between a closed position and an open position; (c) a second particle separation member, and, (d) a second particle receiving chamber positioned for receiving particles separated from the fluid flow by the second particle separation member and disposed beneath the reusable particle collector, wherein when the moveable member moves from its closed position to its open position, particles collected in the particle collector are substantially transferred to the second particle receiving chamber.
Claim 2
Dependent Claim
112 words
A separator for separating entrained particles from a fluid flow, the separator comprising: (a) a first particle separation member; (b) a reusable particle collector disposed beneath the particle separation member, the reusable particle collector having a moveable member movably mounted between a closed position and an open position; (c) a second particle separation member, and, (d) a second particle receiving chamber positioned for receiving particles separated from the fluid flow by the second particle separation member and disposed beneath the reusable particle collector, wherein when the moveable member moves from its closed position to its open position, particles collected in the particle collector are substantially transferred to the second particle receiving chamber.
Claim 3
Dependent Claim
28 words
The separator of claim 1 wherein the first particle separation member has a wall and a portion of the wall forms a portion of the reusable particle collector.
Claim 4
Dependent Claim
81 words
A separator comprising: (a) an inlet in fluid flow communication with a source of fluid having particles therein; (b) a particle separation member; (c) a first particle collector disposed below the particle separation member; and, (d) a particle transfer member positioned between the particle separation member and the particle collector, at least a portion of the particle transfer member is angled downwardly to the first particle collector whereby particles separated by the particle separation member are conveyed to the particle collector.
Claim 5
Dependent Claim
81 words
A separator comprising: (a) an inlet in fluid flow communication with a source of fluid having particles therein; (b) a particle separation member; (c) a first particle collector disposed below the particle separation member; and, (d) a particle transfer member positioned between the particle separation member and the particle collector, at least a portion of the particle transfer member is angled downwardly to the first particle collector whereby particles separated by the particle separation member are conveyed to the particle collector.
Claim 6
Dependent Claim
18 words
The separator of claim 3 wherein at least a portion of the particle transfer member is a ramp.
Claim 7
Dependent Claim
28 words
The separator of claim 3 wherein the first particle separation member is chosen from the group consisting of a cyclone, a Prandtl layer turbine and an electrostatic filter.
Claim 8
Dependent Claim
33 words
The separator of claim 3 wherein the separator comprises a second particle separation member upstream of the particle separation member and the first particle collector is positioned in the second particle separation member.
Claim 9
Dependent Claim
47 words
The separator of claim 6 wherein the second particle separation member has a second particle collector which is removably mounted in a casing and the first particle collector is constructed to empty into the second particle collector when the second particle collector is removed from the casing.
Claim 10
Dependent Claim
18 words
The separator of claim 3 wherein the first particle collector is disposed beside the second particle separation member.
Claim 11
Dependent Claim
15 words
The separator of claim 3 wherein the particle transfer member comprises a pivotally mounted disc.
Claim 12
Dependent Claim
113 words
A separator for separating entrained particles from a fluid flow, the separator comprising: (a) a housing having a first separation stage and a first particle collector in communication with the first separation stage; (b) a second separation stage; (c) a second particle collector in communication with the second separation stage and positioned in the housing, the first and second particle collectors are configured such that the second particle collector is emptied when the first particle collector is emptied; and, (d) a cleaning head having a dirty air inlet and the separator is connectable in fluid flow communication with the dirty air inlet wherein the separator comprises a filtration stage of a vacuum cleaner.
Claim 13
Dependent Claim
113 words
A separator for separating entrained particles from a fluid flow, the separator comprising: (a) a housing having a first separation stage and a first particle collector in communication with the first separation stage; (b) a second separation stage; (c) a second particle collector in communication with the second separation stage and positioned in the housing, the first and second particle collectors are configured such that the second particle collector is emptied when the first particle collector is emptied; and, (d) a cleaning head having a dirty air inlet and the separator is connectable in fluid flow communication with the dirty air inlet wherein the separator comprises a filtration stage of a vacuum cleaner.
Claim 14
Dependent Claim
18 words
The separator of claim 10 wherein the second separation stage is positioned downstream from the first separation stage.
Claim 15
Dependent Claim
55 words
The separator of claim 10 wherein the second particle collector has a collector housing including a bottom panel and the bottom panel is movably mounted between a closed position in which the second particle collector collects material separated by the second separation stage and an open position in which the second particle collector is emptied.
Claim 16
Dependent Claim
19 words
The separator of claim 10 wherein each of the first and second separation stage comprise at least one cyclone.
Claim 17
Dependent Claim
23 words
The separator of claim 10 wherein the first separation stage comprises a cyclone and the second separation stage comprises a plurality of cyclones.
Claim 18
Dependent Claim
18 words
The vacuum cleaner of claim 10 wherein the second particle collector is mounted beside the first particle collector.
Claim 19
Dependent Claim
18 words
The vacuum cleaner of claim 10 wherein the second particle collector is mounted above the first particle collector.
Claim 20
Dependent Claim
31 words
The vacuum cleaner of claim 16 wherein the first particle collector is positioned at the bottom of a cyclone container and the second particle collector is mounted inside the cyclone container.
Claim 21
Dependent Claim
80 words
A separator comprising: (a) an inlet in fluid flow communication with a source of fluid having particles therein, (b) a first particle separation member; (c) a particle transfer member positioned to transfer material separated by the first particle separation member; (d) a second particle separation member upstream of the first particle separation member; and, (e) a second particle collector positioned to receive material separated by the second particle separation member, the second particle collector is removably mounted in a casing.
Claim 22
Dependent Claim
80 words
A separator comprising: (a) an inlet in fluid flow communication with a source of fluid having particles therein, (b) a first particle separation member; (c) a particle transfer member positioned to transfer material separated by the first particle separation member; (d) a second particle separation member upstream of the first particle separation member; and, (e) a second particle collector positioned to receive material separated by the second particle separation member, the second particle collector is removably mounted in a casing.
Claim 23
Dependent Claim
13 words
The separator of claim 18 wherein the particle transfer member is a ramp.
Claim 24
Dependent Claim
62 words
The separator of claim 18 further comprising a first particle separation member positioned below the first particle separation member wherein the particle transfer member transfers material separated by the first particle separation member to the first particle separation member and the first particle collector is configured such that material collected in the first particle collector is emptied into the second particle collector.
Claim 25
Dependent Claim
28 words
The separator of claim 20 wherein the second particle separation member has a wall and a portion of the wall forms a portion of the first particle collector.
Claim 26
Dependent Claim
87 words
A separator comprising: (a) an inlet in fluid flow communication with a source of fluid having particles therein; (b) a first particle separation member having a wall; (c) a first particle collector positioned to receive material separated by the first particle separation member; (d) a second particle separation member downstream of the first particle separation member; and, (e) a second particle collector positioned to receive material separated by the second particle separation member, wherein a portion of the wall forms a portion of the second particle collector.
Claim 27
Dependent Claim
87 words
A separator comprising: (a) an inlet in fluid flow communication with a source of fluid having particles therein; (b) a first particle separation member having a wall; (c) a first particle collector positioned to receive material separated by the first particle separation member; (d) a second particle separation member downstream of the first particle separation member; and, (e) a second particle collector positioned to receive material separated by the second particle separation member, wherein a portion of the wall forms a portion of the second particle collector.
References Cited (Backward Citations)
US1416995A
Cited
US2604956A
Cited
US2553175A
Cited
US2804171A
Cited
US3425192A
Cited
US4049400A
Cited
US4229187A
Cited
US4373228A
Cited
US4344776A
Cited
USRE32257E
Cited
US4826515A
Cited
US4853011A
Cited
US4593429A
Cited
US5160356A
Cited
US4406678A
Cited
US4518402A
Cited
US4571772A
Cited
US4573236A
Cited
US4828586A
Cited
US4643748A
Cited
US4749386A
Cited
WO1988008269A1
Cited
US4853008A
Cited
US4902306A
Cited
US5143524A
Cited
US5376168A
Cited
US5405434A
Cited
US5254147A
Cited
US5078761A
Cited
US5062870A
Cited
US5090976A
Cited
US5145499A
Cited
US5433763A
Cited
US5069691A
Cited
US5230723A
Cited
US5069691B2
Cited
US5069691B1
Cited
US5255411A
Cited
US5267371A
Cited
US5307538A
Cited
US5558697A
Cited
US5259854A
Cited
US5358290A
Cited
US5336299A
Cited
US5574493A
Cited
US5400465A
Cited
CA2221499A1
Cited
US5593479A
Cited
US5725623A
Cited
US5656063A
Cited
EP0815788A2
Cited
US5846302A
Cited
EP0908121A1
Cited
WO1999034722A1
Cited
WO2000042292A1
Cited
US6238451B1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2006-06-23 | 2006-12-23 | 2007-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-06-23 | 2010-12-23 | 2011-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-06-23 | 2014-12-23 | 2015-06-24 | $7700.00 | Window Closed / Lapsed |