EP0903104B1 - Nassreinigungsgerät - Google Patents
Nassreinigungsgerät Download PDFInfo
- Publication number
- EP0903104B1 EP0903104B1 EP98116481A EP98116481A EP0903104B1 EP 0903104 B1 EP0903104 B1 EP 0903104B1 EP 98116481 A EP98116481 A EP 98116481A EP 98116481 A EP98116481 A EP 98116481A EP 0903104 B1 EP0903104 B1 EP 0903104B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air flow
- cleaning apparatus
- wet cleaning
- resonance
- room
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims description 26
- 239000013013 elastic material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 abstract 2
- 239000000428 dust Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 240000000528 Ricinus communis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
- A47L7/0019—Details of the casing
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
- A47L5/365—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the vertical type, e.g. tank or bucket type
Definitions
- the invention relates to a wet cleaning device according to the preamble of claim 1.
- the invention is based on the object, the generic wet cleaning device in such a way that in a structurally simple way a significant noise reduction during operation of the wet cleaning device is achieved.
- the risk that dust particles through the leaking air currents are whirled up avoided.
- the wet cleaning apparatus shown in Figs. 1 and 2 is a so-called wet vacuum, for example, for cleaning floors is used. He has a lower part of the housing serving as a liquid container 1. It can be on a base with wheels or Rollers sit. It is also possible, the liquid container 1 itself equipped with wheels or castors. On the liquid container 1 sits an upwardly projecting housing upper part 2, 3, 29, 23, in the a motor 4 with a motor housing 5 and a turbine (blower) 6 are housed.
- the upper housing part 2, 3, 29, 23 consists of a on the liquid container 1 seated connector 3, a lying on this middle part 29 and a seated on him final part 23, which are covered by a cover 2.
- the motor housing 5 has peripheral outlet openings 5 'for an engine cooling air flow P. Below the engine sits the turbine 6, which is from the Motor 4 is driven and also circumferential outlet openings 7 has.
- the liquid container 1 has an intake 9, to the one Suction hose can be connected.
- the intake 9 projects within the liquid container 1 down, advantageously so far, that the outlet opening of the intake 9 below the Liquid level is.
- the sucked on the intake 9 Polluted air is thus inevitably with the liquid F, which is preferably water, brought into contact.
- the liquid container 1 has a concave cross-section Bottom 1 'and a convex curved lid 10.
- the lid 10 which is formed integrally with the intake manifold 9, has a circumferential edge 10 ', which is approximately H-shaped in cross section is. With this edge 10 ', the lid 10 is an annular Projection 1 "of the liquid container 1 placed on the H-shaped Edge 10 'of the lid 10, the connection part 3 with a Edge 3 "mounted.
- the lid 10 has a central opening 11 through which a separator 8 protrudes into the liquid container 1.
- the separator 8 lies with a retaining ring 8 'on the edge of the opening 11 and is over a annular support 20 on the underside of the housing middle part 29 attached.
- the connecting part 3 has on the intake manifold. 9 opposite side an outer wall portion 3 ', which with a Outer wall 2 'of the cover 2 is approximately aligned.
- the wall 3 ' has an opening 12 in which a distributor cap 13 is seated (Fig. 1). Within the connecting part 3, the distributor cap 13 projects through a Opening 14 'of an axially extending wall 14 between the radial extending walls 15 and 16 is provided.
- the wall 14 is located on the side of the intake manifold 9 a slightly conical inward inclined extending wall 17 with an upper, radially outward projecting flange 18 opposite. He has several with radial and peripheral decorum next to and behind each other Passage openings 19 for the suction air flow P 'on.
- the wall 17 goes into the radial wall 16, with the housing connection part. 3 is mounted on the carrier 20 which carries the turbine 6. simultaneously the separator 8 is partially overlapped by the carrier 20. He lies up a slightly convex upwardly curved bottom 21 'of a housing inner part 21 on. To the bottom 21 'closes one up projecting wall 22, on which the flange 18 of the connecting part 3rd rests.
- Das Abdeckteil 2 is pot-shaped and surrounds the motor housing at a distance 5 and the final part 23, which in turn the motor housing 5 surrounds with distance.
- the cover 2 extends to to the intake 9 and on the opposite side to about at the height of the turbine 6.
- an outlet opening 24 formed between the free edge of the housing wall 2 'and the housing wall 3' of the housing parts 2, 3 is an outlet opening 24 formed.
- the final part 23 has at its overhead, perpendicular to the axis of the motor 4 extending bottom 25 a Opening 26. Below her is a fan 27, which is in the motor housing is housed.
- the conically widening coat 23 'of the closure member 23 has a radially outwardly projecting circumferential edge 28, with the final part 23 on the central part 29 rests. It surrounds the turbine 6 in its upper half and supports on the connection part 3 or its wall 15 and the flange 18 off.
- the central part 29 has an upper, radially extending wall 30 with a inner peripheral ridge 31, with which the central part 29 on the turbine 6 is present.
- the wall 30 goes into a down-projecting coat 32 over, the free edge 30 'on the flange 18 of the connecting part 3 rests.
- the outlet opening 24 has the free edge 30 'from the wall 15 of the connecting part 3 small distance, whereby an inlet 33 forming a passage opening for the suction air flow P 'is formed.
- Approximately half the width of the wall 30 protrudes an annular wall 34 below, about the same distance from the shell 32 and the turbine. 6 Has.
- the annular wall 34 lies on the side facing away from the intake 9 Side on the wall 15 and in the region of the intake 9 am inner edge of the flange 18 at.
- the annular wall 34 in an axial section L-shaped, radially to inside projecting legs 35, 36, whose upstanding leg portion 36 from the turbine casing 6 'distance. This will be between the leg portion 36 and the shell 6 'an opening 37 is formed, through which the air flow P 'can flow.
- a front panel 38 is provided, which the intake manifold 9 surrounds.
- the cooling air flow flows P on the outlet openings 5 'to the outside in an intermediate the motor housing 5 and the end part 23 formed Annulus 40, in which a pressure builds up in the cooling air flow P.
- the Cooling air flow P passes through a to the bottom 25 of the cup-shaped Attachment part 23 subsequent and provided in the jacket 23 ' Passage opening 41 in a gap 39 from. From here the cooling air flow P flows down through an inlet 42 forming a passage gap which is between the Jacket 32 of the closure member 23 and the opposite housing wall 2 'is provided and in a subsequent downward Verwirbelungsraum 43 opens.
- the bottom of the resonance chamber 44 is through the Wall 16 formed.
- the resonance chamber 44 has in its wall 17 adjacent to the distributor cap 13, for example, a round opening 49th
- a third resonance space 45 which passes through the walls 17 and 22, the flange 18, the wall 16 and the bottom 21 'of the housing inner part 21 limited is.
- an opening 46 is provided, through which the suction air flow P 'can flow.
- fourth resonance space 47 is of the housing walls 32, 34 of the Housing middle part 29, the wall 30 and the flange 18 of the connecting part 3 or the housing wall 15 limited.
- the resonance chamber 47 surrounds the resonance chamber 48 and is by him through the Ring wall 34 separated. As shown in FIGS. 1 and 2, the resonance space is 47 provided with the passage opening 33.
- the cooling air flow P is from the fan 27, the rotationally fixed on the motor shaft sitting, sucked on the front panel 38 of the upper housing part 2.
- the cooling air flow P flows from the front panel 38 in the gap 39, in which he up to the opening 26 in the Bottom 25 of the closure member 23 flows.
- the cooling air flow P passes then in the motor housing 5. In him the cooling air flow P flows along the motor 4 down, the engine is optimally cooled.
- the cooling air flow P passes over the outlet openings 5 'in the annular space 40 between the motor housing 5 and the final part 23 from.
- the annulus 40 is formed that the cooling air flow P under a building up Pressure flows upwards and over the passage opening 41 to the outside enters the space 39.
- the cooling air flow flows in it P down and enters via the fürströmspalt or inlet 42 into the fluidizing space 43.
- the two air streams P, P 'meet in the swirling space 43 preferably perpendicular to each other.
- the air streams P, P ' may also be among others Angles in the swirling space 43 meet.
- the distributor cap 13 is advantageously formed flow-optimized. You can also, as indicated in Fig. 1 with dashed lines, about be executed cone-shaped.
- the distributor cap 13 widens in Direction of flow in the direction of the outlet opening 24.
- the lateral surface the distributor cap 13 is for flow optimization in Axial section concavely curved.
- the housing middle part 29, which has the resonance chambers 47 and 48, divides the upper housing part 2, 3, 29, 23 in a lower Main part with the housing connection part 3 and an upper cap-like Part with the final part 23.
- the outlet opening 24 of the swirling space 43 is advantageously so designed so that the exiting air flow in a certain direction, is preferably deflected upwards.
- the edges or exit edges of the outlet opening 24 constructive designed so that they form guide and deflection, where the emerging airflow is deflected upward. This prevents that by the exiting air flow dust particles in the surrounding area or unnecessarily stirred up on the ground.
- the passage opening or the inlet 33 for the air flow P ' is, as shown in FIG. 1, in the area below the lower edge of the outlet opening 24. As a result, the Air flow P 'after its passage through the passage opening or the inlet 33rd inevitably deflected upwards so he through the outlet 24 can go outside.
Landscapes
- Nozzles For Electric Vacuum Cleaners (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Description
- Fig. 1
- ein erfindungsgemäßes Naßreinigungsgerät mit einer Verteilerkappe im Axialschnitt,
- Fig. 2
- das Naßreinigungsgerät gemäß Fig. 1 in einem Axialschnitt im Bereich außerhalb der Verteilerkappe.
Claims (18)
- Naßreinigungsgerät mit einem Flüssigkeitsbehälter (1), in den ein Ansaugstutzen (9) für einen Saugluftstrom (P') mündet, mit einem Gehäuseabdeckteil (2), in dem ein Motor (4) angeordnet ist, der von einem Kühlluftstrom (P) wenigstens teilweise umströmt ist, und mit wenigstens einer Auslaßöffnung (24),
dadurch gekennzeichnet, daß das Naßreinigungsgerät Strömungswege sowie ein Verwirbelungsraum mit Einläßen (42, 43) umfaßt, die derart gestaltet sind daß für den Kühlluftstrom (P) und den Saugluftstrom (P') gesonderte Strömungswege vorgesehen sind, die in den Verwirbelungsraum (43) münden, und daß mindestens ein Einlaß (33) für den Saugluftstrom (P') und ein Einlaß (42) für den Kühlluftstrom (P) an verschiedenen Seiten des Verwirbelungsraumes (43) so vorgesehen sind, daß der Kühlluftstrom(P) und der Saugluftstrom (P') winklig aufeinander treffen. - Naßreinigungsgerät nach Anspruch 1, dadurch gekennzeichnet daß in den Verwirbelungsraum (43) die Auslaßöffnung (24) mündet.
- Naßreinigungsgerät nach Anspruch1 oder 2,
dadurch gekennzeichnet, daß in Strömungsrichtung des Saugluftstromes (P') vor dem Verwirbelungsraum (43) wenigstens ein, vorzugsweise vier Resonanzräume (44, 45, 47, 48) für den Saugluftstrom (P') liegen, die miteinander verbunden sind. - Naßreinigungsgerät nach Anspruch 3,
dadurch gekennzeichnet, daß der Motor (4) eine Turbine (6) antreibt, deren Gehäuse (6') Auslaßöffnungen (7) aufweist, die in einen ersten Resonanzraum (48) münden, der vorzugsweise mindestens eine, vorteilhaft aus elastischem Material bestehende Wand (34) aufweist, auf die der Saugluftstrom (P') beim Austritt aus den Auslaßöffnungen (7) trifft. - Naßreinigungsgerät nach Anspruch 3 oder 4,
dadurch gekennzeichnet, daß der erste Resonanzraum (48) mindestens eine Auslaßöffnung (37) aufweist, die in einen zweiten Resonanzraum (44) mündet, der vorteilhaft mindestens eine, über seine ganze Höhe sich erstreckende Öffnung (49) aufweist. - Naßreinigungsgerät nach Anspruch 6,
dadurch gekennzeichnet, daß in Strömungsrichtung des Saugluftstromes (P') hinter der Öffnung (49) des zweiten Resonanzraumes (44) eine Verteilerkappe (13) angeordnet ist, die vorzugsweise kegelförmig ausgebildet ist. - Naßreinigungsgerät nach Anspruch 5 oder 6,
dadurch gekennzeichnet, daß an den zweiten Resonanzraum (44) ein dritter Resonanzraum (45) anschließt, in den der Saugluftstrom (P') über die Verteilerkappe (13) gelangt, und daß vorteilhaft der dritte Resonanzraum (45) mindestens eine, vorzugsweise mehrere Durchtrittsöffnungen (19) aufweist, die den dritten Resonanzraum (45) mit einem vierten Resonanzraum (47) verbinden. - Naßreinigungsgerät nach Anspruch 7,
dadurch gekennzeichnet, daß der vierte Resonanzraum (47) radial benachbart zum ersten Resonanzraum (48) liegt, und daß vorzugsweise der erste und der vierte Resonanzraum (48, 47) durch die Wand (34) des ersten Resonanzraumes (48) voneinander getrennt sind. - Naßreinigungsgerät nach einem der Ansprüche 3 bis 8,
dadurch gekennzeichnet, daß die Resonanzräume (44, 45, 47, 48) ringförmig ausgebildet sind und vorzugsweise eine gemeinsame Achse haben. - Naßreinigungsgerät nach einem der Ansprüche 3 bis 9,
dadurch gekennzeichnet, daß der erste und der vierte Resonanzraum (48, 47) in einem zwischen einem Gehäuseanschlußteil (3) und einem Gehäuseabschlußteil (23) angeordneten, vorzugsweise ringförmig ausgebildeten Gehäusemittelteil (29) vorgesehen sind, das vorteilhaft die Turbine (6) mit Abstand umgibt. - Naßreinigungsgerät nach einem der Ansprüche 3 bis 10,
dadurch gekennzeichnet, daß der Einlaß (33) für den Saugluftstrom (P) durch eine Durchlaßöffnung des vierte Resonanzraumes (47) gebildet ist. - Naßreinigungsgerät nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet, daß das Motorgehäuse (5) mindestens eine Auslaßöffnung (5') aufweist, die in einen zwischen dem Motorgehäuse (5) und dem Gehäuseabschlußteil (23) gebildeten Ringraum (40) mündet, der vorzugsweise mindestens eine Durchtrittsöffnung (41) aufweist, die in einen zwischen dem Gehäuseabschlußteil (23) und dem Gehäuseabdeckteil (2) gebildeten Strömungsraum (39) mündet. - Naßreinigungsgerät nach Anspruch 12,
dadurch gekennzeichnet, daß der Ringraum (40) etwa im Anschlußbereich des Gehäuseabschlußteiles (23) an das Gehäusemittelteil (29) mindestens eine Durchströmöffnung für den Kühlluftstrom (P) aufweist, die den Einlaß (42) in den Verwirbelungsraum (43) bildet und vorzugsweise dem Einlaß (33) für den Saugluftstrom (P') etwa gegenüberliegt. - Naßreinigungsgerät nach einem der Ansprüche 3 bis 13,
dadurch gekennzeichnet, daß der erste und der vierte Resonanzraum (48, 47) etwa gleich groß ausgebildet sind. - Naßreinigungsgerät nach einem der Ansprüche 11 bis 14,
dadurch gekennzeichnet, daß der Einlaß (33) für den Saugluftstrom (P') des vierten Resonanzraumes (47) im Bereich des Bodens (15) liegt. - Naßreinigungsgerät nach einem der Ansprüche 1 bis 15,
dadurch gekennzeichnet, daß die Auslaßöffnung (24) des Verwirbelungsraumes (43) im Bereich oberhalb des für den Saugluftstrom (P') vorgesehenen Einlaßes (33) des vierten Resonanzraumes (47) liegt. - Naßreinigungsgerät, nach einem der Ansprüche 1 bis 16
dadurch gekennzeichnet, daß der aus dem Naßreinigungsgerät durch die Auslaßöffnung (24) des Verwirbelungsraumes (43) austretende Luftstrom (P, P') schräg nach oben gerichtet ist. - Naßreinigungsgerät nach einem der Ansprüche 1 bis 17,
dadurch gekennzeichnet, daß die Auslaßöffnung (24) des Verwirbelungsraumes (43) mindestens einen als Umlenkteil ausgebildeten Rand (3') aufweist.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI9830377T SI0903104T1 (en) | 1997-09-20 | 1998-09-01 | Wet cleaning apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19741545A DE19741545A1 (de) | 1997-09-20 | 1997-09-20 | Naßreinigungsgerät |
DE19741545 | 1997-09-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0903104A1 EP0903104A1 (de) | 1999-03-24 |
EP0903104B1 true EP0903104B1 (de) | 2003-05-02 |
Family
ID=7843060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98116481A Expired - Lifetime EP0903104B1 (de) | 1997-09-20 | 1998-09-01 | Nassreinigungsgerät |
Country Status (13)
Country | Link |
---|---|
US (1) | US6192551B1 (de) |
EP (1) | EP0903104B1 (de) |
JP (1) | JPH11137482A (de) |
AT (1) | ATE238730T1 (de) |
AU (1) | AU727630B2 (de) |
CA (1) | CA2247775A1 (de) |
CZ (1) | CZ293298A3 (de) |
DE (2) | DE19741545A1 (de) |
NO (1) | NO984050L (de) |
PL (1) | PL187276B1 (de) |
SI (1) | SI0903104T1 (de) |
TR (1) | TR199801847A3 (de) |
ZA (1) | ZA988483B (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6219880B1 (en) * | 1998-09-17 | 2001-04-24 | Pullman-Holt Corporation | Vacuum cleaner |
WO2000059364A1 (en) * | 1999-03-30 | 2000-10-12 | Nilfisk Advance A/S | Installation of a motor in a vacuum cleaner |
US6530116B2 (en) * | 2001-02-13 | 2003-03-11 | Shop Vac Corporation | Vacuum cleaner with muffled detachable blower exhaust |
US6804857B1 (en) * | 2001-09-20 | 2004-10-19 | M.D. Manufacturing, Inc. | Apparatus for dampening the noise of a vacuum cleaner |
US6807709B2 (en) * | 2002-02-07 | 2004-10-26 | Koblenz Electrica, S.A. De C.V. | Vacuum cleaner cooling system |
US20030192573A1 (en) * | 2002-04-16 | 2003-10-16 | Loi Tran | Floor care machine with counter acting force |
EP1785079A3 (de) * | 2002-11-12 | 2007-11-14 | BLACK & DECKER INC. | Verbesserter handtragbarer Mehrzweck-Staubsauger, geeignet für Gleich- und Wechselstrombetrieb |
US20050273969A1 (en) * | 2002-11-12 | 2005-12-15 | Watson James B | AC/DC portable wet/dry vacuum having improved portability and convenience |
US7653963B2 (en) * | 2002-11-12 | 2010-02-02 | Black & Decker Inc. | AC/DC hand portable wet/dry vacuum having improved portability and convenience |
EP2433537A1 (de) * | 2003-07-10 | 2012-03-28 | Black & Decker Inc. | Staubsauger |
US7690077B2 (en) * | 2005-09-28 | 2010-04-06 | Electrolux Home Care Products, Ltd. | Central vacuum units with an acoustic damping pathway |
GB2436787A (en) * | 2006-04-05 | 2007-10-10 | Vax Ltd | Electric motor housing |
GB2478642A (en) * | 2010-03-08 | 2011-09-14 | Oreck Holdings Llc | A canister vacuum cleaner |
US8533906B2 (en) * | 2011-07-07 | 2013-09-17 | Shop Vac Corporation | Vacuum cleaner with recirculated cooling air |
US9107550B2 (en) | 2013-09-27 | 2015-08-18 | Black & Decker Inc. | Compact vacuum and sander |
KR101684796B1 (ko) * | 2015-08-18 | 2016-12-08 | 엘지전자 주식회사 | 흡입 유닛 |
KR102560970B1 (ko) | 2016-03-31 | 2023-07-31 | 엘지전자 주식회사 | 청소기 |
CN114305200B (zh) * | 2016-03-31 | 2023-09-19 | Lg电子株式会社 | 吸尘器 |
US11166607B2 (en) | 2016-03-31 | 2021-11-09 | Lg Electronics Inc. | Cleaner |
WO2017171495A1 (ko) | 2016-03-31 | 2017-10-05 | 엘지전자 주식회사 | 청소기 |
DK3238592T3 (da) * | 2016-04-27 | 2021-07-19 | Diversey Inc | Støvsuger |
CN111870190B (zh) * | 2020-06-15 | 2022-06-03 | 添可智能科技有限公司 | 一种自动清洗系统及可移动设备 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2884185A (en) * | 1956-06-29 | 1959-04-28 | American Lincoln Corp | Suction tank head |
CA1050219A (en) * | 1977-02-28 | 1979-03-13 | Jelle G. Nauta | Motor ventilation system for wet/dry vacuum cleaner |
US4280245A (en) * | 1980-02-19 | 1981-07-28 | Shop-Vac Corporation | Sound dome for electric vacuum cleaner |
US4361928A (en) * | 1981-07-01 | 1982-12-07 | Parise & Sons, Inc. | Muffled exhaust system for hot water vacuum extraction machine |
DE3225258C2 (de) * | 1982-07-06 | 1985-11-28 | Guido Oberdorfer Wap-Maschinen, 7919 Bellenberg | Schmutzsauger |
CH670197A5 (de) * | 1986-05-16 | 1989-05-31 | Siprotech Maschinen & Apparate | |
US5560075A (en) * | 1995-02-27 | 1996-10-01 | Jankowski; William C. | Wet or dry vacuum with low center of gravity |
-
1997
- 1997-09-20 DE DE19741545A patent/DE19741545A1/de not_active Withdrawn
-
1998
- 1998-09-01 DE DE59808138T patent/DE59808138D1/de not_active Expired - Fee Related
- 1998-09-01 AT AT98116481T patent/ATE238730T1/de not_active IP Right Cessation
- 1998-09-01 SI SI9830377T patent/SI0903104T1/xx unknown
- 1998-09-01 EP EP98116481A patent/EP0903104B1/de not_active Expired - Lifetime
- 1998-09-03 NO NO984050A patent/NO984050L/no not_active Application Discontinuation
- 1998-09-14 JP JP10260284A patent/JPH11137482A/ja active Pending
- 1998-09-14 CZ CZ982932A patent/CZ293298A3/cs unknown
- 1998-09-15 AU AU85152/98A patent/AU727630B2/en not_active Ceased
- 1998-09-17 ZA ZA988483A patent/ZA988483B/xx unknown
- 1998-09-17 TR TR1998/01847A patent/TR199801847A3/tr unknown
- 1998-09-18 PL PL98328681A patent/PL187276B1/pl not_active IP Right Cessation
- 1998-09-18 CA CA002247775A patent/CA2247775A1/en not_active Abandoned
- 1998-09-18 US US09/157,127 patent/US6192551B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ZA988483B (en) | 1998-10-02 |
NO984050D0 (no) | 1998-09-03 |
JPH11137482A (ja) | 1999-05-25 |
DE59808138D1 (de) | 2003-06-05 |
TR199801847A2 (xx) | 1999-07-21 |
ATE238730T1 (de) | 2003-05-15 |
CA2247775A1 (en) | 1999-03-20 |
DE19741545A1 (de) | 1999-03-25 |
CZ293298A3 (cs) | 1999-12-15 |
NO984050L (no) | 1999-03-22 |
EP0903104A1 (de) | 1999-03-24 |
PL328681A1 (en) | 1999-03-29 |
SI0903104T1 (en) | 2003-08-31 |
PL187276B1 (pl) | 2004-06-30 |
AU727630B2 (en) | 2000-12-14 |
US6192551B1 (en) | 2001-02-27 |
AU8515298A (en) | 1999-04-01 |
TR199801847A3 (tr) | 1999-07-21 |
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