Patent US5779745A successfully refreshed from Google Patents.
US5779745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adaptor for a vacuum cleaner
Assignee: Electrolux AB
•
Filing: 1996-12-12
•
Granted: 1998-07-14
•
Expires: 2016-12-12
Abstract
Abstract An adaptor for a vacuum cleaner having a vacuum source (21) and an inlet tube (18) communicating with a nozzle opening (11) and ending in a chamber (15) which has an opening closed by a cover (17). A dust container (16) is normally placed in the chamber and is connected to the inlet tube. The adaptor is a separate unit (26) which, when the dust container (16) and cover (17) have been removed, can be fixed to the vacuum cleaner. The adaptor includes a cyclone separator (32) having an inlet side which is connected to the inlet tube (18) and an outlet side communicating with the inlet side of the vacuum source (21).
Inventors
- 👤 Lars Kilstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:45
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/16; A47L9/1691; A47L9/14; A47L9/1427; Y; Y10; Y10S; Y10S55/00; Y10S55/03
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
106 words
Adaptor for a vacuum cleaner, said vacuum cleaner comprising a vacuum source (21) and an inlet tube (18) communicating with a nozzle opening (11) and ending in a chamber (15) which has an opening closed by a cover (17), a dust container (16) disposed in the chamber and normally connected to the inlet tube, wherein the adaptor is a separate unit (26) which, when the dust container (16) and cover (17) have been removed from the vacuum cleaner, is secured to the vacuum cleaner and disposed within the chamber, said adaptor comprising a cyclone separator (32) having an inlet side connected to the inlet tube (18).
Claim 2
Dependent Claim
106 words
Adaptor for a vacuum cleaner, said vacuum cleaner comprising a vacuum source (21) and an inlet tube (18) communicating with a nozzle opening (11) and ending in a chamber (15) which has an opening closed by a cover (17), a dust container (16) disposed in the chamber and normally connected to the inlet tube, wherein the adaptor is a separate unit (26) which, when the dust container (16) and cover (17) have been removed from the vacuum cleaner, is secured to the vacuum cleaner and disposed within the chamber, said adaptor comprising a cyclone separator (32) having an inlet side connected to the inlet tube (18).
Claim 3
Dependent Claim
60 words
Adaptor according to claim 1, further comprising a first container (36) serving as a coarse separator (31) which, via a first channel (33), communicates with said inlet tube (18), an opening (35) of the first channel being placed at an upper part of the first container, said first container, via a second channel (39), communicating with the cyclone separator (32).
Claim 4
Dependent Claim
26 words
Adaptor according to claim 2, wherein an inlet opening (38) of the second channel (39) is placed near the upper part of the first container (36).
Claim 5
Dependent Claim
62 words
Adaptor according to claim 2, wherein the cyclone separator (32) comprises a cylinder-shaped upper part (41) to which the opening (40) of the second channel (39) is connected so that air flows generally tangentially to the upper part and wherein the upper part is connected to a second container (44) in which the particles being separated by the cyclone separator are collected.
Claim 6
Dependent Claim
39 words
Adaptor according to claim 4, wherein the cylinder-shaped upper part (41) continues into a lower part (42) shaped as an upside-down truncated hollow cone, a lower end of the cone forming an opening (43) to the second container (44).
Claim 7
Dependent Claim
28 words
Adaptor according to claim 4, wherein the cyclone separator (32) is provided with an outlet opening (46) which, via a third channel (47,48,49,50), communicates with said chamber (15).
Claim 8
Dependent Claim
19 words
Adaptor according to claim 6, wherein the outlet opening (46) is mainly coaxial with the cylinder-shaped upper part (41).
Claim 9
Dependent Claim
28 words
Adaptor according to claim 6, wherein the third channel is provided with a filter (51) arranged before the chamber (15) as seen in the direction of air flow.
Claim 10
Dependent Claim
47 words
Adaptor according to claim 4, wherein the first and second containers (36 and 44 resp) are placed close to each other and wherein each container, at its lower part, is provided with an opening (53), the container opening normally being closed by at least one cover (54).
Claim 11
Dependent Claim
33 words
Adaptor according to claim 1, wherein the adaptor is integrally-formed with a cover plate, said cover plate closing the opening of the chamber (15) when the adaptor is secured to the vacuum cleaner.
Claim 12
Dependent Claim
49 words
A vacuum cleaner adaptor, comprising a first container (36) serving as a coarse separator (31), and a cyclone separator (32), said first container being adapted to communicate with an inlet tube via a first channel (33), said first container communicating with said cyclone separator via a second channel (39).
Claim 13
Dependent Claim
49 words
A vacuum cleaner adaptor, comprising a first container (36) serving as a coarse separator (31), and a cyclone separator (32), said first container being adapted to communicate with an inlet tube via a first channel (33), said first container communicating with said cyclone separator via a second channel (39).
Claim 14
Dependent Claim
41 words
A vacuum cleaner adaptor according to claim 11, wherein an opening of said first channel is at an upper part of the first container and an inlet opening of said second channel is near the upper part of said first container.
Claim 15
Dependent Claim
64 words
Adaptor according to claim 12, wherein the cyclone separator (32) comprises a cylinder-shaped upper part (41) to which the opening (40) of the second channel (39) is connected so that airs flows generally tangentially to the cylinder-shaped upper part and wherein the cylinder-shaped upper part is connected to a second container (44) in which the particles being separated by the cyclone separator are collected.
Claim 16
Dependent Claim
39 words
Adaptor according to claim 13, wherein the cylinder-shaped upper part (41) continues into a lower part (42) shaped as an upside-down truncated hollow cone, a lower end of the cone forming an opening (43) to the second container (44).
Claim 17
Dependent Claim
29 words
Adaptor according to claim 14, wherein the cyclone separator (32) is provided with an outlet opening (46) through which, and via a third channel (47,48,49,50), air exits the adaptor.
Claim 18
Dependent Claim
19 words
Adaptor according to claim 15, wherein the outlet opening (46) is mainly coaxial with the cylinder-shaped upper part (41).
Claim 19
Dependent Claim
15 words
Adaptor according to claim 16, wherein the third channel is provided with a filter (51).
Claim 20
Dependent Claim
47 words
Adaptor according to claim 17, wherein the first and second containers (36 and 44 resp) are placed close to each other and wherein each container, at its lower part, is provided with an opening (53), the container opening normally being closed by at least one cover (54).
Claim 21
Dependent Claim
13 words
Adaptor according to claim 18, wherein the adaptor integrally includes a cover plate.
References Cited (Backward Citations)
US1127896A
Cited
US963139A
Cited
US3177635A
Cited
US3320727A
Cited
US3552100A
Cited
US3877902A
Cited
US4172710A
Cited
US4731101A
Cited
US4718924A
Cited
US5230722A
Cited
US5254147A
Cited
US5135552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-07-13 | 2002-01-12 | 2002-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-07-13 | 2006-01-12 | 2006-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-07-13 | 2010-01-12 | 2010-07-14 | $7700.00 | Window Closed / Lapsed |