Patent EP0096988A2 successfully refreshed from Google Patents.
Patent US5752997A successfully refreshed from Google Patents.
US5752997A
Expired / Lapsed
US
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Wet cleaning apparatus
Assignee: Proair GmbH Geratebau
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Filing: 1996-05-03
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Granted: 1998-05-19
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Expires: 2016-05-03
Abstract
Abstract A wet cleaning apparatus having an intake connection and at least one air outlet opening is provided. The apparatus has a blower motor and a container for cleaning liquid. The container is disposed in the immediate vicinity of the motor, either above it, next to it, or around it.
Inventors
- 👤 Paul Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:33
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/18; A47L9/181; A47L9/185; A47L9/186; A47L9/187; A47L9/22; Y; Y10; Y10S; Y10S55/00; Y10S55/03
Claims Analysis
Total Claims: 44
Claim 1
Independent Claim
184 words
A wet cleaning apparatus having an intake connection and at least one air outlet opening, said apparatus comprising: an undercarriage; a motor that is disposed on said undercarriage and operates a blower for drawing in dirty air via said intake connection; a liquid container that is removably disposed on said undercarriage and serves for accommodating cleaning liquid, wherein dirty air drawn in via said intake connection is conveyed into said cleaning liquid, which serves for filtering out dirt and dust from said dirty air; and a rotatably driven separator that, in a direction of flow of air through said wet cleaning apparatus, is disposed in said liquid container downstream of said intake condition for receiving air from said cleaning liquid and for filtering out dirt and dust not filtered out by said cleaning liquid, wherein said at least one air outlet opening is disposed downstream of said separator, and wherein said separator is disposed in said liquid container in such a way that when said liquid container is removed from said undercarriage, said separator is removed therewith while the motor remains with the undercarriage.
Claim 2
Dependent Claim
184 words
A wet cleaning apparatus having an intake connection and at least one air outlet opening, said apparatus comprising: an undercarriage; a motor that is disposed on said undercarriage and operates a blower for drawing in dirty air via said intake connection; a liquid container that is removably disposed on said undercarriage and serves for accommodating cleaning liquid, wherein dirty air drawn in via said intake connection is conveyed into said cleaning liquid, which serves for filtering out dirt and dust from said dirty air; and a rotatably driven separator that, in a direction of flow of air through said wet cleaning apparatus, is disposed in said liquid container downstream of said intake condition for receiving air from said cleaning liquid and for filtering out dirt and dust not filtered out by said cleaning liquid, wherein said at least one air outlet opening is disposed downstream of said separator, and wherein said separator is disposed in said liquid container in such a way that when said liquid container is removed from said undercarriage, said separator is removed therewith while the motor remains with the undercarriage.
Claim 3
Dependent Claim
14 words
An apparatus according to claim 1, wherein said liquid container annularly surrounds said motor.
Claim 4
Dependent Claim
23 words
An apparatus according to claim 1, wherein said liquid container comprises two parts, namely a lower container part and an upper container part.
Claim 5
Dependent Claim
18 words
An apparatus according to claim 3, wherein said upper container part is provided with at least one handle.
Claim 6
Dependent Claim
16 words
An apparatus according to claim 1, wherein said separator is drivingly connected to said blower motor.
Claim 7
Dependent Claim
19 words
An apparatus according to claim 5, wherein said separator is positively connected to a shaft of said blower motor.
Claim 8
Dependent Claim
24 words
An apparatus according to claim 6, wherein a shaft of said separator and said shaft of said blower motor are aligned with one another.
Claim 9
Dependent Claim
22 words
An apparatus according to claim 7, wherein said shaft of said separator and said shaft of said blower motor are disposed vertically.
Claim 10
Dependent Claim
18 words
An apparatus according to claim 1, wherein a shaft of said separator is surrounded by said liquid container.
Claim 11
Dependent Claim
22 words
An apparatus according to claim 1, wherein a shaft of said separator is disposed parallel to a shaft of said blower motor.
Claim 12
Dependent Claim
25 words
An apparatus according to claim 10, wherein said shaft of said separator and said shaft of said blower motor are drivingly interconnected by drive means.
Claim 13
Dependent Claim
20 words
An apparatus according to claim 5, wherein said separator is drivingly connected with said blower motor via a magnet drive.
Claim 14
Dependent Claim
16 words
An apparatus according to claim 1, wherein said separator is provided with its own drive motor.
Claim 15
Dependent Claim
16 words
An apparatus according to claim 1, wherein said separator is securely connected to said liquid container.
Claim 16
Dependent Claim
26 words
An apparatus according to claim 1, wherein to protect said separator from splashing liquid, said liquid container is provided with at least one splash protection means.
Claim 17
Dependent Claim
24 words
An apparatus according claim 15, wherein said splash protection means is formed by a flange that projects from a wall of said liquid container.
Claim 18
Dependent Claim
31 words
An apparatus according to claim 1, wherein said liquid container is provided with a central receiving chamber that is open toward the bottom and is delimited by a vertical annular wall.
Claim 19
Dependent Claim
21 words
An apparatus according to claim 17, wherein said first annular wall is surrounded by and spaced from a further annular wall.
Claim 20
Dependent Claim
16 words
An apparatus according to claim 18, wherein said two annular walls are interconnected by a base.
Claim 21
Dependent Claim
42 words
An apparatus according to claim 18, wherein said inner first annular wall is provided with a cover at an upper end thereof, said cover partially closing off an upper portion of said receiving chamber, with a separator being disposed on said cover.
Claim 22
Dependent Claim
16 words
An apparatus according to claim 3, wherein said intake connection is disposed on said liquid container.
Claim 23
Dependent Claim
30 words
An apparatus according to claim 1, wherein said intake connection is disposed in such a way that inflowing air imparts rotation to liquid that is disposed in the liquid container.
Claim 24
Dependent Claim
47 words
An apparatus according to claim 3, wherein a deflection means, preferably a deflection plate, is disposed in the vicinity of said intake connection in such a way that a direction of flow of liquid in said container is counter to a direction of rotation of a separator.
Claim 25
Dependent Claim
20 words
An apparatus according to claim 3, wherein a cable reel-in mechanism is disposed in a region below said blower motor.
Claim 26
Dependent Claim
32 words
An apparatus according to claim 3, wherein said liquid container is provided with an indicator means having an optical sensor for indicating the degree of contamination of liquid in said liquid container.
Claim 27
Dependent Claim
35 words
An apparatus according to claim 3, wherein said liquid container is provided with a preferably optical indicator means for indicating a liquid level of said liquid container that is greater than or below prescribed levels.
Claim 28
Dependent Claim
25 words
An apparatus according to claim 3, which includes a portable undercarriage, wherein said liquid container is connected to said undercarriage via a central closure means.
Claim 29
Dependent Claim
26 words
An apparatus according to claim 3, wherein a noise dampening means, preferably in the form of a cassette, is disposed ahead of said air outlet opening.
Claim 30
Dependent Claim
20 words
An apparatus according to claim 28, wherein said noise dampening means is provided with a filter system for capturing microparticles.
Claim 31
Dependent Claim
21 words
An apparatus according to claim 29, wherein said filter system selectively comprises a dry or wet filter element or liquid bath.
Claim 32
Dependent Claim
15 words
An apparatus according to claim 27, wherein said blower motor is accommodated in said undercarriage.
Claim 33
Dependent Claim
18 words
An apparatus according to claim 31, wherein said blower motor is disposed on its side in said undercarriage.
Claim 34
Dependent Claim
16 words
An apparatus according to claim 27, wherein said blower motor is disposed upright on said undercarriage.
Claim 35
Dependent Claim
17 words
An apparatus according to claim 33, wherein said blower motor is disposed next to said liquid container.
Claim 36
Dependent Claim
21 words
An apparatus according to claim 27, wherein a cable reel-in mechanism is mounted in said undercarriage, preferably on a base thereof.
Claim 37
Dependent Claim
36 words
An apparatus according to claim 3, wherein said liquid container is provided with side walls, and wherein a flow obstructing means is spaced from said side walls and projects into liquid contained in said liquid container.
Claim 38
Dependent Claim
20 words
An apparatus according to claim 36, wherein said flow obstructing means extends parallel to said sidewalls of said liquid container.
Claim 39
Dependent Claim
23 words
An apparatus according to claim 36, wherein said flow obstructing means is an annular wall that projects downwardly from said upper container part.
Claim 40
Dependent Claim
23 words
An apparatus according to claim 3, wherein an air intake region in said liquid container is covered toward the top by a wall.
Claim 41
Dependent Claim
24 words
An apparatus according to claim 6, wherein at least one filter element is disposed in a region between said separator and said blower motor.
Claim 42
Dependent Claim
30 words
An apparatus according to claim 6, wherein in a direction of flow of air through said wet cleaning apparatus at least one heating element is disposed downstream of said separator.
Claim 43
Dependent Claim
18 words
An apparatus according to claim 30, wherein said filter element or liquid bath is provided with a separator.
Claim 44
Dependent Claim
16 words
An apparatus according to claim 1, wherein said separator is fixedly disposed on a driven shaft.
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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) | 2001-05-18 | 2001-11-17 | 2002-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-05-18 | 2005-11-17 | 2006-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-05-18 | 2009-11-17 | 2010-05-19 | $7700.00 | Window Closed / Lapsed |