WO2002069776A1 - Aspirateur a moteur interchangeable - Google Patents

Aspirateur a moteur interchangeable Download PDF

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Publication number
WO2002069776A1
WO2002069776A1 PCT/NL2002/000148 NL0200148W WO02069776A1 WO 2002069776 A1 WO2002069776 A1 WO 2002069776A1 NL 0200148 W NL0200148 W NL 0200148W WO 02069776 A1 WO02069776 A1 WO 02069776A1
Authority
WO
WIPO (PCT)
Prior art keywords
vacuum cleaner
coupling means
unit
air suction
air
Prior art date
Application number
PCT/NL2002/000148
Other languages
English (en)
Other versions
WO2002069776A8 (fr
Inventor
Frank Peter William Van De Ven
Original Assignee
Industrial Vac Ivac B.V.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Industrial Vac Ivac B.V. filed Critical Industrial Vac Ivac B.V.
Priority to DE60211485T priority Critical patent/DE60211485D1/de
Priority to EP02702969A priority patent/EP1367930B1/fr
Publication of WO2002069776A1 publication Critical patent/WO2002069776A1/fr
Publication of WO2002069776A8 publication Critical patent/WO2002069776A8/fr

Links

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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/22—Mountings for motor fan assemblies

Definitions

  • the invention relates to a vacuum cleaner, such as a brush vacuum cleaner, a tank vacuum cleaner, a water suction cleaning appliance or the like, provided with a housing with a feed opening for connection of a suction hose, an exhaust opening and an air duct extending between the feed opening and exhaust opening, in which, with the aid of an air suction element driven by a motor, in particular an electric motor, such as a turbine or another body provided with blades, an air flow from the feed opening to the outlet opening can be generated.
  • a vacuum cleaner such as a brush vacuum cleaner, a tank vacuum cleaner, a water suction cleaning appliance or the like
  • Such vacuum cleaners are generally known for use both in domestic and in industrial surroundings. Susceptible to wear in such vacuum cleaners is, primarily, the suction hose, and in particular its suction nozzle, as well as the electric cord. A further part which can break down is the motor. With vacuum cleaners intended for domestic use, this often does not occur before the time the vacuum cleaner in its entirety is ready to be replaced, provided that the vacuum cleaner is not used improperly, i.e. is not used under circumstances for which the vacuum cleaner is normally used. Vacuum cleaners intended for industrial use, which, measured over a certain period of time, make considerably more working hours than domestic vacuum cleaners, more often sustain motor breakdown than the domestic vacuum cleaners, i.e. long before the vacuum cleaner in its entirety is, in fact, ready to be replaced.
  • the invention contemplates designing a vacuum cleaner of the type described in the opening paragraph such that, when the motor breaks down, it can rapidly and readily be replaced, if desired by the user of the vacuum cleaner. According to the invention, this is achieved with such a vacuum cleaner when the motor and the air suction element together are designed as an exchangeable unit.
  • the unit is provided with a suction opening and an outlet opening, so that it can easily be placed into or be connected to the air duct, further consisting of stationary parts.
  • the features proposed according to the invention further offer additional advantages in the area of production.
  • the housing and the majority of the parts can be of standard manufacture without taking into account the location where the vacuum cleaner will be used. This is not the case with electric motors, because the voltage and the design of the mains sockets in the various countries can be mutually different.
  • the electric motor and the air suction element as a unit which can be easily placed at any time, the possibility is obtained to produce substantially entirely assembled vacuum cleaners regardless of the location where they are to be deployed.
  • the desired unit as far as voltage and, what is more, the required power to be delivered, is placed and a cord with the desired plug is chosen and connected. In that way, keeping a large number of different types and designs of vacuum cleaners in stock can be realized in a considerably more flexible and simpler manner.
  • the exchangeable unit comprises a casing provided with an air inlet opening which is in communication with the air suction element or the electric motor, with an air outlet opening which is in communication with the electric motor or the air suction element, and with aligning means and coupling means which can cooperate with complementary ahgning or coupling means provided in or on the housing.
  • the coupling means can be opened and closed without tools, as by means of snap -action, so that also the user of the vacuum cleaner is always capable of carrying out those operations at any location.
  • the unit can be secured in the housing with the aid of, for instance, swing clamps of spring clamps.
  • the coupling means comprise a collar on the exchangeable unit and the complementary coupling means comprise, connected to the housing and engaging over the collar, a ring, which consists of at least two parts hinging relative to each other, not only a simple exchangeability for the unit is created, but also a unit which, in assembled condition, can be extremely solidly secured and clamped.
  • a proper placement of the unit relative to the air duct can then simply be realized when the ahgning means and the complementary ahgning means consist of mutually cooperating cams provided on the ring and the collar, respectively.
  • the exchangeable unit When placing the unit, automatically, a possibility for connecting an electric motor to the electric mains is created, when, according to a further embodiment of the invention, the exchangeable unit is provided with current coupling means which can cooperate with complementary current coupling means which are connected to the housing and can be connected to the electric mains.
  • the current coupling means and complementary current coupling means can then consist of electric push contacts which, when ahgning and securing the unit, are automatically pushed onto each other.
  • Another possibility is to design the current coupling means and complementary current coupling means as a plug/socket connection, wherein the one connecting part forms part of the unit and the other connecting part of the housing, so that the means then also function as ahgning means and complementary ahgning means.
  • this unit in particular when it is provided with a casing, has specifically determined air inlet and outlet openings, this unit is particularly suitable for the provision of filter provisions for treating the drawn-in air.
  • the unit comprises at least one receiving or shde-in space for exchangeably placing a filter element.
  • Such a provision can be arranged at the inlet opening, the outlet opening and/or an intermediate location.
  • the invention also relates to a unit consisting of an electric motor and an air suction element, which unit is provided with aligning, coupling and current coupling means and is evidently intended to be used in a vacuum cleaner as described hereinabove, the electric motor and the air suction element preferably being surrounded by a screening casing, which is provided with an air inlet opening which is in communication with the air suction element of the electric motor, with an air outlet opening which is in communication with the electric motor or the air suction element, and with aligning means and coupling means.
  • Fig. 1 shows an opened housing of a vacuum cleaner, consisting of a top part and a bottom part, with a motor/air suction unit coupled to the top part;
  • Fig. 2 shows a view of the undersurface of the top part of the housing of the vacuum cleaner, with the motor/air suction unit removed;
  • Fig. 3 shows a front view of a motor/air suction unit
  • Fig. 4 shows a top view of the motor/air suction unit according to Fig. 3;
  • Fig. 5 shows a bottom view of the motor/air suction unit according to
  • Fig. 6 shows an alternative manner for coupling the motor/air suction unit to the housing
  • Fig. 7 shows an alternative manner for securing the housing relative to a coupled motor/air suction unit.
  • the vacuum cleaner schematically represented in Fig. 1 is provided with a housing consisting of a top part la and a bottom part lb, which can be sealingly connected relative to each other by means (not shown) after the flange edges lc and Id have been brought into contact with each other.
  • the top part la carries a motor/air suction unit 2, which will be further discussed hereinbelow.
  • the top part la is further provided with a box 3 for connecting an electric cord (not shown) and an exhaust opening 4, in which, if desired, a filter element can be placed or slid.
  • the bottom part lb is provided with an inlet opening 5 to which, at the outside, a suction hose (not shown) can be connected and, at the inside, a dust filter bag (not shown either), for which purpose the bottom part lb is designed, for the greater part, as a hollow, open box-shaped body.
  • the top part la is chiefly destined for receiving control electronics.
  • the top part la is provided adjacent the flange edge lc with a wall part le, thereby forming an enclosed space in the top part la.
  • the wall part le further carries the motor/air suction unit 2, as shown in Fig. 1, while this has been left out in Fig. 2 to clarify its fastening to the wall part le.
  • the motor/air suction unit 2 itself is represented in Figs. 3 - 5.
  • the motor/air suction unit 2 is provided with a casing 6 with an air inlet opening 7 and an air outlet opening 8.
  • a casing 6 with an air inlet opening 7 and an air outlet opening 8.
  • an electric motor and an air suction element driven by it are received, so that through the casing from the air inlet opening 7 to the air outlet opening 8, an air flow can be generated.
  • current coupling means are present in the form of resilient contact lips 9.
  • the unit 2 is provided with coupling means in the form of a circumferential collar 10, which is composed of a ring extending radially and a wall extending axially on the free circumferential edge of the wall.
  • a sealing ring 12 is provided, the arrangement being such that the air outlet opening 8 is located within the sealing ring 12.
  • Complementary coupling means are formed by a ring 13, which is composed of a ring part 13a fixedly connected to the wall part le, connected by a first extremity, via a hinge 14, to a first extremity of a pivotable ring part 13b.
  • the second extremity of the pivotable ring part 13b is provided with a snap-in element 13c, which can lockingly cooperate with a counter element 13d at the second extremity of the fixed ring part 13a.
  • the ring parts 13a and 13b each consist of a substantially semi-cylindrical element, extending perpendicularly to the wall part le and provided at the extremity facing away from that wall part with an inwardly reaching flange, the dimensions being selected such that the circumferential collar 10 of the unit 2, while pushing in the sealing ring 12, can be received within the ring 13 under the flange thereof.
  • the flange referred to is provided in the fixed ring part 13a with two recesses 13e, which serve as complementary aligning means.
  • the wall part le is provided with an air passage opening 15 which is in communication with the exhaust opening 4, and resilient contact lips 16, which form complementary current coupling means and are in communication with the box 3.
  • the snap-in element 13c is released from the counter element 13d, whereupon the ring part 13b is pivoted away from the fixed ring part 13a. Then, by its circumferential edge 10, the unit 2 is slipped under the flange of the ring part 13a, while pushing-in the sealing ring 12, such that the cams 11 come to lie on the circumferential edge 10 in the recesses 13e.
  • the motor/air suction unit 2 is connected to the top part lb in a condition ready for use. It will need no further explanation that the removal of the motor/air suction unit 2 can be carried out just as rapidly and easily.
  • a motor/air suction unit 22 is represented, wherein alternative, more specifically, combined current coupling and ahgning means are used in the form of a plug 23 projecting relative to a housing wall part 21a and a box receiving the latter, recessed in the unit 22.
  • the current coupling means are formed by a plug/socket combination, those mutually engaging parts, during coupling, at the same time providing for alignment. With such coupling, the unit can of course no longer be slipped under a flange, as was carried out in the earlier discussed embodiment. Locking can then be effected by pivotably arranging, in the embodiment according to Fig.
  • a different coupling and securing possibility is represented in Fig. 7, where a circumferential collar 30 of a unit is equipped with a cam edge 30a, engaged by a number of resihent snap clamps 30, distributed along the ⁇ circumference of the collar 30, each snap clamp 33 being fixedly connected to the wall part 31e by means of a hinge 34.
  • the unit can be secured to the wall part 31e, via the circumferential collar 30, while compressing the sealing ring 32 by means of the snap clamps 33.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

La présente invention concerne un aspirateur tel qu'un aspirateur à brosse, un aspirateur traîneau, un dispositif de nettoyage par extraction d'eau ou autre, qui comprend un corps doté d'une ouverture d'alimentation permettant de connecter un tuyau d'aspiration, une ouverture de sortie et un conduit pour l'air s'étendant entre les deux ouvertures d'alimentation et de sortie. Dans cet appareil, un écoulement d'air peut être généré entre les ouvertures d'alimentation et de sortie, par un élément d'aspiration d'air entraîné par un moteur, plus particulièrement un moteur électrique, tel qu'une turbine ou un autre corps pourvu d'ailettes. Le moteur et l'élément d'aspiration d'air sont tous les deux conçus sous forme d'une unité remplaçable qui, de préférence, est dotée d'un carter doté d'une entrée d'air et d'une ouverture de sortie pour l'air.
PCT/NL2002/000148 2001-03-06 2002-03-06 Aspirateur a moteur interchangeable WO2002069776A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE60211485T DE60211485D1 (de) 2001-03-06 2002-03-06 Staubsauger mit auswechselbarem motor
EP02702969A EP1367930B1 (fr) 2001-03-06 2002-03-06 Aspirateur a moteur interchangeable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1017514A NL1017514C2 (nl) 2001-03-06 2001-03-06 Stofzuiger met verwisselbare motor.
NL1017514 2001-03-06

Publications (2)

Publication Number Publication Date
WO2002069776A1 true WO2002069776A1 (fr) 2002-09-12
WO2002069776A8 WO2002069776A8 (fr) 2003-11-20

Family

ID=19773006

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2002/000148 WO2002069776A1 (fr) 2001-03-06 2002-03-06 Aspirateur a moteur interchangeable

Country Status (5)

Country Link
EP (1) EP1367930B1 (fr)
AT (1) ATE326170T1 (fr)
DE (1) DE60211485D1 (fr)
NL (1) NL1017514C2 (fr)
WO (1) WO2002069776A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1723928A2 (fr) * 2005-05-19 2006-11-22 Renfert GmbH Dispositif d'aspiration, notamment dispositif d'aspiration dentaire

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307485A (en) * 1979-09-04 1981-12-29 Black & Decker Inc. Air-powered vacuum cleaner floor tool
EP0315067A2 (fr) * 1987-11-05 1989-05-10 Siegfried Maier Suceur à brosse pour un appareil de nettoyage par succion (aspirateur des poussières)
US5511282A (en) * 1995-04-13 1996-04-30 Bissell Inc. Motor mounting arrangement and method for a vacuum cleaner
DE19843719A1 (de) * 1997-09-23 1999-04-01 Lg Electronics Inc Staubsauger

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307485A (en) * 1979-09-04 1981-12-29 Black & Decker Inc. Air-powered vacuum cleaner floor tool
EP0315067A2 (fr) * 1987-11-05 1989-05-10 Siegfried Maier Suceur à brosse pour un appareil de nettoyage par succion (aspirateur des poussières)
US5511282A (en) * 1995-04-13 1996-04-30 Bissell Inc. Motor mounting arrangement and method for a vacuum cleaner
DE19843719A1 (de) * 1997-09-23 1999-04-01 Lg Electronics Inc Staubsauger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1723928A2 (fr) * 2005-05-19 2006-11-22 Renfert GmbH Dispositif d'aspiration, notamment dispositif d'aspiration dentaire
EP1723928A3 (fr) * 2005-05-19 2006-11-29 Renfert GmbH Dispositif d'aspiration, notamment dispositif d'aspiration dentaire
EP1829500A1 (fr) * 2005-05-19 2007-09-05 Renfert GmbH Dispositif d'aspiration, en particulier dispositif d'aspiration dentaire

Also Published As

Publication number Publication date
NL1017514C2 (nl) 2002-09-09
DE60211485D1 (de) 2006-06-22
EP1367930B1 (fr) 2006-05-17
ATE326170T1 (de) 2006-06-15
EP1367930A1 (fr) 2003-12-10
WO2002069776A8 (fr) 2003-11-20

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