EP0289987B1 - Aspirateur de poussières - Google Patents

Aspirateur de poussières Download PDF

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Publication number
EP0289987B1
EP0289987B1 EP88107080A EP88107080A EP0289987B1 EP 0289987 B1 EP0289987 B1 EP 0289987B1 EP 88107080 A EP88107080 A EP 88107080A EP 88107080 A EP88107080 A EP 88107080A EP 0289987 B1 EP0289987 B1 EP 0289987B1
Authority
EP
European Patent Office
Prior art keywords
motor
driven blower
passage
case
vacuum cleaner
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
Application number
EP88107080A
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German (de)
English (en)
Other versions
EP0289987A2 (fr
EP0289987A3 (en
Inventor
Shuji Watanabe
Osamu Tobise
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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Filing date
Publication date
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Publication of EP0289987A2 publication Critical patent/EP0289987A2/fr
Publication of EP0289987A3 publication Critical patent/EP0289987A3/en
Application granted granted Critical
Publication of EP0289987B1 publication Critical patent/EP0289987B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47L5/00—Structural features of suction cleaners
    • 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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping

Definitions

  • the present invention relates to a vacuum cleaner suitable for domestic use of the kind referred to in the preamble portion of patent claim 1.
  • a vacuum cleaner is known from prior art document DE-A-2 944 749.
  • a motor driven blower accommodating chamber is defined within a body case in a hermetically partitioned manner. and a motor component is arranged horizontally within the accommodating chamber.
  • the motor-driven blower is supported, in a vibration isolating fashion, by a noise insulating case which serves as a partition wall defining the motor-driven blower accommodating chamber.
  • the blower component is supported at its outer periphery by the noise insulating case through a front rubber vibration isolator, and the motor component is supported by the noise insulating case through a rear rubber vibration isolator.
  • the front rubber vibration isolator is provided with a lip in pressure contact with an inner wall surface of the noise insulating case, in order to maintain sufficient air-tightness with respect to the noise insulating case.
  • the weight of the motor-driven blower is applied to only lower portions of the respective front and rear rubber vibration isolators.
  • a section of the lip at the lower portion of the front rubber vibration isolator is pressed strongly and is deformed.
  • a section of the lip at the upper portion of the front rubber isolator is moved away from the inner wall surface of the noise insulating case.
  • the arrangement of the above-mentioned prior art is such that, at assembling, the front rubber vibration isolator having the lip is forcibly fitted into the noise insulating case. Because of such arrangement, there is a strong likelihood that a portion or portions of the lip is or are deformed and turned up. Thus, the prior art has such a problem that sufficient effects of air-tightness and vibration isolation cannot be achieved.
  • DE-A-2 944 749 discloses a vacuum cleaner comprising a body case having defined therein, in a hermetically partitioned fashion, a dust collecting chamber, a communication passage communicating with said dust collecting chamber, a motor-driven blower accommodating chamber communicating with said communication passage, an exhaust passage communicating with said motor-driven blower accommodating chamber; a motor-driven blower including a blower component and a motor component, said motor-driven blower being vertically arranged within said motor-driven blower accommodating chamber in such a manner that said blower component is located below said motor component, and a partition wall defining said motor-driven blower accommodating chamber is composed of a tubular rib formed integrally with said body case.
  • the motor-driven blower is vertically arranged within the motor-driven blower accommodating chamber in such a manner that the blower component is located below the motor component.
  • urging force due to the weight of the motor-driven blower and suction force due to generation of negative pressure resulting from rotation of the motor-driven blower are uniformly applied to the entire region of an elastic member for supporting the blower component of the motor-driven blower in an air-tight and vibration-isolating fashion.
  • the urging force and the suction force act in the same direction, so that strong urging force can be obtained. Accordingly, no gap is formed between the elastic member and the partition wall of the motor-driven blower accommodating chamber, making it possible to achieve a sufficient air-tightness effect due to the elastic member.
  • the arrangement is such that the partition wall of the motor-driven blower accommodating chamber is composed of the tubular rib formed in integral relation to the body case and the noise insulating case separate from the body case, and the noise insulating case is adapted to be mounted to the tubular rib.
  • assembling is made in such a manner that the motor-driven blower is incorporated into the tubular rib and, subsequently, the noise insulating case is fixedly mounted to the tubular rib.
  • the arrangement is such that the noise insulating case is mounted to the tubular rib.
  • a vacuum cleaner comprises a body case 1 divided into two sections including an upper case section 2 and a lower case section 3 which are separable from each other.
  • the upper and lower case sections 2 and 3 are formed of synthetic resin.
  • a dust collecting chamber 4 defined within the body case 1 in a hermetically partitioned manner are a dust collecting chamber 4, a communication passage 5 communicating with the dust collecting chamber 4, a motor-driven blower accommodating chamber 6 communicating with the communication passage 5, an exhaust passage 7 communicating with the motor-driven blower accommodating chamber 6, a silencing passage 8 communicating with the exhaust passage 7, and an exhaust chamber 9 communicating with the silencing passage 8.
  • a partition wall defining the motor-driven blower accommodating chamber 6 is composed of a tubular rib 11 formed in integral relation to the lower case section 3 and covering a blower component 10a of a motor-driven blower 10, and a noise insulating case 12 formed separately from the body case 1 and covering a motor component 10b of the motor-driven blower 10.
  • the noise insulating case 12 is detachably mounted to the tubular rib 11 in such a manner that the entire periphery of an opening end face of the tubular rib 11 is air-tightly fitted into a groove 12a formed along the entire periphery of an opening end face of the noise insulating case 12 and, subsequently, screws 13 and 13a shown in Fig. 6 are used to attach the noise insulating case 12 to the tubular rib 11.
  • the dust collecting chamber 4 is arranged in side by side relation to the motor-driven blower accommodating chamber 6.
  • the communication passage 5 communicates with a lower portion of the partition wall defining the motor-driven blower accommodating chamber 6, that is, with a lower portion of the side wall of the tubular rib 11.
  • the exhaust passage 7 communicates with an upper portion of the partition wall defining the motor-driven blower accommodating chamber 6, that is, with an upper portion of the side wall of the noise insulating case 12.
  • the exhaust passage 7 has an inflow end portion defined by a wall section integral with the noise insulating case 12.
  • the exhaust passage 7 extends downwardly along the side wall of the noise insulating case 12.
  • the exhaust passage 7 has an outflow end portion defined by a wall section integral with the tubular rib 11 which is formed in integral relation to the lower case section 3.
  • the noise insulating case 12 is formed of material higher in heat resistance than the upper and lower case sections 2 and 3.
  • the silencing passage 8 is defined by a bottom surface of the lower case section 3 and a case cover 14 air-tightly held on the bottom surface.
  • the silencing passage 8 is substantially in the form of the letter U, and communicates with the exhaust chamber 9 which is arranged at the rear section of the body case 1.
  • a noise absorption material 15 is attached to an inner surface of the case cover 14.
  • the case cover 14 is formed of synthetic resin.
  • the exhaust passage 7 and the silencing passage 8 communicate with each other through an opening formed in the bottom surface of the lower case section 3.
  • the exhaust passage 7 has a cross-sectional passage area smaller than that of the noise insulating case 12.
  • the silencing passage 8 has a cross-sectional passage area larger than that of the exhaust passage 7.
  • the exhaust chamber 9 has a cross-sectional passage area larger than that of the silencing passage 8.
  • a plurality of small ribs 16 are formed at an inlet of the communication passage 5, for preventing the large dust such as a piece of paper or the like from entering the motor-driven blower accommodating chamber 6.
  • a single guide rib 17 is provided along a flow passage extending from the communication passage 5 to the motor-driven blower 10 arranged within the motor-driven blower accommodating chamber 6.
  • the guide rib 17 is formed in integral relation to the lower case section 3, and has a function of smoothly leading air from the dust collecting chamber 4 toward an inlet of the blower component 10a of the motor-driven blower 10.
  • the inner wall surface defining a flow passage extending from the motor-driven blower accommodating chamber 6 to the exhaust passage 7 has a configuration enabling exhaust air to flow smoothly.
  • the inner wall surface defining a flow passage extending from the exhaust passage 7 to the silencing passage 8 has a configuration enabling the exhaust air to flow smoothly.
  • a plurality of rectifying vanes 18 are provided within the silencing passage 8, for changing the direction of the exhaust air flow by 180 degrees to smoothly lead the exhaust air flow to the exhaust chamber 9.
  • the rectifying vanes 18 are formed in integral relation to the bottom surface of the lower case section 3.
  • a rectifying net 19 is provided on the side of upstream ends of the respective rectifying vanes 18, that is, on the side of inflow ends of the respective rectifying vanes 18.
  • the rectifying net 19 is formed by a synthetic resin net or a metallic net having a fine mesh for enabling air-flow noises to be prevented from being produced.
  • the inflow end portion of the exhaust passage 7 is defined by the wall section integral with the noise insulating case 12.
  • the outflow end portion of the exhaust passage 7 is defined by the tubular rib 11.
  • the noise insulating case 12 is mounted to the tubular rib 11 to thereby complete the exhaust passage 7 for leading the exhaust air flow from the motor-driven blower accommodating chamber 6 to the silencing passage 8.
  • the motor-driven blower 10 is vertically arranged within the motor-driven blower accommodating chamber 6 in such a fashion that the blower component 10a is located below the motor component 10b.
  • a mounting section 21 is formed at a lower portion of the inner peripheral wall surface of the tubular rib 11.
  • a ring-like first elastic member 20 is mounted on the mounting section 21 for air-tightly isolating vibration from the blower component 10a of the motor-driven blower 10.
  • the mounting section 21 is formed by a ring-like rib provided in integral relation to the lower case section 3.
  • the noise insulating case 12 is formed at its top with a mounting section 23 at which a second elastic member 22 is mounted for supporting the motor component 10b of the motor-driven blower 10 in a vibration-isolating manner.
  • the mounting section 23 has a recess into which the second elastic member 22 can be fitted.
  • Each of the first and second elastic members 20 and 22 is formed by a rubber vibration isolator.
  • a noise absorption cover 24 is so arranged as to surround the outer periphery of the motor component 10b of the motor-driven blower 10.
  • the inflow end portion of the exhaust passage 7 extends in tangential relation to the outer periphery of the motor component 10b of the motor-driven blower 10.
  • a noise absorption material may be attached to the inner peripheral surface of the noise insulating case 12.
  • the second elastic member 22 is mounted to the motor-driven blower 10 in such a manner that the second elastic member 22 is fitted about an outer peripheral surface of a projection 10c of a bearing for a shaft of the motor component 10b.
  • An exhaust window 3a is formed in the rear wall of the lower case section 3, and communicates with the exhaust chamber 9.
  • a fine dust filter 25 is arranged at an upstream end of the exhaust window 3a such that the filter 25 is detachable from the outside of the body case 1.
  • a caster 26 and a pair of wheels 27 and 27a are mounted at a lower surface of the lower case section 3 as best shown in Fig. 4.
  • the upper case section 2 is fixedly mounted to the lower case section 3 by means of screws 28 to complete the body case 1.
  • An opening formed in the upper case section 2, that is, an opening of the dust collecting chamber 4 is covered by a closure 29 which is mounted to the upper case section 2 so as to be capable of being opened and closed.
  • the closure 29 is formed therein with a suction port 30.
  • a coupling 32 of a suction hose 31 (see Fig. 2) is adapted to be detachably mounted to the suction port 30.
  • a grip handle 33 is mounted to the top surface of the upper case section 2.
  • a dust collecting case 34 formed of a non-woven fabric or the like is detachably mounted within the dust collecting chamber 4.
  • a disposable bag filter 35 such as a paper bag or the like is accommodated in the duct collecting case 34.
  • An inlet of the bag filter 35 is air-tightly held at the suction port 30 in the closure 29 when the same is closed.
  • the suction hose 31 is mounted to the closure 29 by the coupling 32 in such a fashion as to be rotatable through 360 degrees.
  • An extension pipe 36 and a suction nozzle 37 are connectable to the suction hose 31.
  • the closure 29 is formed therein with a chamber 38 for accommodating an aromatic.
  • a grip hand for use in carrying the body case 1 is provided at the front ends of the respective upper and lower case sections 2 and 3.
  • a dust collecting meter is accommodated in the upper case section 2.
  • the closure 29 is formed of synthetic resin and is so arranged as to provide air-tightness between the closure 29 and the opening in the upper case section 2 when the closure 29 is closed. If necessary, a filter having a coarse mesh may be arranged between the dust collecting chamber 4 and the communication passage 5. It is required that the dust collecting case 34 is formed by a filter material having a fine mesh, to enable the dust collecting case 34 per se to serve to collect the dust when the bag filter 35 fails to be mounted.
  • the dust collecting case 34 is so designed as to be washed in water when the case 34 is contaminated.
  • the motor-driven blower 10 is arranged such that air flowing from the blower component 10a cools the interior of the motor component 10b and, subsequently, flows out in the direction tangential to the outer periphery of the motor component 10b through windows provided in the outer periphery.
  • a commutator motor mechanism is incorporated in the motor component 10b.
  • a circuit board 39 has a fin 39a which is located within the exhaust passage 7 defined by the noise insulating case 12 and the tubular rib 11.
  • a code-reel accommodating chamber 40 is defined adjacent the motor-driven blower accommodating chamber 6 within the body case 1.
  • a planar section 12b facilitating mounting of the circuit board 39 is formed at a portion of the top wall of the noise insulating case 12, which is located adjacent the outer periphery of the noise insulating case 12.
  • the planar section 12b is formed therein with a slit-like bore 12c into which the fin 39a is inserted.
  • the exhaust air flowing out of the motor-driven blower accommodating chamber 6 enters the exhaust passage 7 and is compressed therewithin.
  • the exhaust air flows down along the exhaust passage 7 and, subsequently, the exhaust air enters the silencing passage 8 and expands therewithin.
  • the exhaust air flow entering the silencing passage 8 is divided into a plurality of air currents by the plurality of rectifying vanes 18, and is changed in direction by 180 degrees by the same.
  • the exhaust air flow enters the exhaust chamber 9 and is discharged therefrom to the outside of the body case 1 through the exhaust window 3a.
  • the exhaust air currents divided within the silencing passage 8 are joined with each other and, subsequently, the air flows into the exhaust chamber 9 and expands therewithin.
  • the noises resulting from rotation of the motor-driven blower 10 are reduced in level, because the air is repeatedly compressed and expanded during passage of the air through the exhaust passage 7, the silencing passage 8 and the exhaust chamber 9. The noises are further reduced in level by the action of the noise absorption material 15.
  • the fine dust passing through the dust collecting case 34 and the fine dust such as brush powder resulting from rotation of the motor-driven blower 10 are filtered off by the fine dust filter 25 without leaking from the motor-driven blower accommodating chamber 6, the exhaust passage 7, the silencing passage 8 and the exhaust chamber 9 to the inside and outside of the body case 1. Accordingly, the interior of the body case 1 is prevented from being contaminated, and only the clean air flows out through the exhaust window 3a. Thus, the vacuum cleaner is excellent in sanitation.
  • the noises resulting from rotation of the motor-driven blower 10 are insulated by the double wall including the noise insulating case 12 and the upper case section 2. Accordingly, the noises are heard merely at an extremely low level at a location above the body case 1.
  • the silencing passage 8 is formed into the U-shape by the utilization of the bottom surface of the lower case section 3, it is easy to form the silencing passage 8 of a long size. Further, even if the silencing passage 8 of a long size is formed, the body case 1 is prevented from increasing in size.
  • the noise insulating case 12 is heated to a high temperature level. Since, however, the noise insulating case 12 is formed of a material high in heat resistance, the noise insulating case 12 can be prevented from being thermally deformed. In this connection, since the noise insulating case 12 is formed separately from the body case 1 and is so arranged as to be mounted to the tubular rib 11, only the noise insulating case 12 is formed of the high heat-resistant material and the body case 1 can be formed of usual inexpensive synthetic resin.
  • the motor-driven blower 10 Since the motor-driven blower 10 is accommodated in the motor-driven blower accommodating chamber 6 such that the blower component 10a is located below the motor component 10b, the weight of the motor-driven blower 10 and the urging force due to the negative pressure resulting from rotation of the motor-driven blower 10, which act in the same direction, are applied to the entire region of the first elastic member 20. Accordingly, the first elastic member 20 is urged against the entire region of the mounting section 21 with strong and uniform urging force. Thus, there can be provided stable effects of air-tightness and vibration-insulation.
  • incorporation of the motor-driven blower 10 into the lower case section 3 is carried out in the following manner. That is, the first elastic member 20, the second elastic member 22 and the noise absorption cover 24 are first mounted beforehand on the motor-driven blower 10. Subsequently, the motor-driven blower 10 is inserted into the tubular rib 11 such that the first elastic member 20 is mounted on the mounting section 21. Then, the noise insulating case 12 is covered onto the motor-driven blower 10, and is fixed to the tubular rib 11 by the use of the screws 13 and 13a. Thus, incorporation of the motor-driven blower 10 is completed. It is not essential to beforehand mount the first and second elastic members 20 and 22 and the noise absorption cover 24 onto the motor-driven blower 10.
  • incorporation of the motor-driven blower 10 into the lower case section 3 may be such that the first elastic member 20 is mounted on the mounting section 21 within the tubular rib 11, the motor-driven blower 10 is then mounted into the first elastic member 20, subsequently, the noise absorption cover 24 and the second elastic member 22 are mounted on the motor-driven blower 10, and the noise insulating case 12 is then covered onto the motor-driven blower 10.
  • Fig. 8 is a graphical representation of a frequency characteristic indicating the noise insulating effect due to the noise insulating case 12 incorporated in the vacuum cleaner according to the illustrated embodiment.
  • the noises are measured at a location one meter above the upper case section 2.
  • the line a represents the prior art, while the line b indicates the illustrated embodiment. It will be understood from the frequency characteristic that the noise insulating effect of the illustrated embodiment is considerably improved as compared with that of the prior art.
  • the communication passage 5 in the illustrated embodiment is relatively short, the passage 5 may have an increased length.
  • the communication passage 5 may be formed merely by a bore through which the dust collecting chamber 4 and the motor-driven blower accommodating chamber 6 communicate with each other.
  • the silencing passage 8 may be dispensed with.
  • the exhaust passage 7 is in direct communication with the exhaust chamber 9.
  • the air can be caused to flow from the dust collecting chamber 4 to the exhaust chamber 9 through the communication passage 5, the motor-driven blower accommodating chamber 6, the exhaust passage 7 and the siliencing passage 8, and can be discharged to the outside of the body case 1 through the window 3a, without leaking into the space within the body case 1.
  • provision of the fine dust filter 25 short of the exhaust window 3a makes it possible to ensure removal of not only the fine dust flowing from the dust collecting chamber 4 into the exhaust chamber 9, but also the fine dust such as brush powder produced by the motor-driven blower 10. Thus, more sanitary cleaning operation can be carried out.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Suction Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)

Claims (12)

  1. Aspirateur comprenant un carter (1) de corps ayant un tronçon inférieur (3) et un tronçon supérieur (2) de carter et, délimitée à l'intérieur de manière cloisonnée hermétiquement, une chambre collectrice de poussières (4), un passage (5) de communication qui communique avec la chambre collectrice de poussières (4), une chambre (6) de logement d'un ventilateur entraîné par un moteur et communiquant avec le passage de communication (5), un passage d'échappement (7) communiquant avec la chambre (6) de logement du ventilateur entraîné par un moteur, une chambre d'échappement (9) communiquant avec le passage d'échappement (7), et un ventilateur (10) entraîné par un moteur et comprenant un élément de ventilateur (10a) et un élément de moteur (10b) qui sont disposés verticalement à l'intérieur de la chambre (6) de logement de ventilateur entraîné par un moteur de manière que l'élément de ventilateur (10a) soit placé au-dessous de l'élément de moteur (10b),
       caractérisé en ce que :
       la chambre (6) de logement de ventilateur entraîné par un moteur est délimitée par une paroi formant une cloison ayant une nervure tubulaire (11) formée en une seule pièce avec le carter (1) du corps et destinée à recouvrir l'élément de ventilateur (10b) du ventilateur (10) entraîné par un moteur, et un carter (12) d'isolation contre le bruit, formé afin qu'il soit séparé du carter (1) du corps et qu'il recouvre l'élément de moteur (10b) du ventilateur entraîné par un moteur (10), le carter (12) d'isolation contre le bruit étant formé d'un matériau ayant une résistance à la chaleur supérieure à celle du carter (1) du corps et étant disposé afin qu'il soit monté de façon amovible sur la nervure tubulaire (11),
       le passage de communication (5) communiquant avec une partie inférieure de la nervure tubulaire et, en outre, le passage d'échappement (7) a une partie d'extrémité de courant d'entrée formée en une seule pièce avec le passage (8) de silencieux et une partie d'extrémité de courant de sortie formée en une seule pièce avec la nervure tubulaire (11) afin qu'elle dépasse le long d'une paroi latérale du passage (8) de silencieux, la nervure tubulaire (11) a un tronçon de montage (21) destiné au montage d'un premier organe élastique (20) et utilisé comme nervure formée en une seule pièce avec le tronçon inférieur (3) de carter, le tronçon de montage (21) isolant de manière hermétique les vibrations de la périphérie externe de l'élément de ventilateur (10a) du ventilateur entraîné par un moteur (10), le carter (12) d'isolation contre le bruit a un tronçon de montage (23) placé à l'intérieur et destiné au montage d'un second organe élastique (22), le tronçon de montage (23) supportant l'élément de moteur (10b) du ventilateur entraîné par un moteur (10) d'une manière assurant l'isolement des vibrations, le passage de silencieux (8) étant placé à la partie inférieure du carter (1) du corps.
  2. Aspirateur selon la revendication 1, caractérisé en ce que la partie d'extrémité de courant d'entrée du passage d'échappement (7) est placée en direction tangentielle au niveau de l'élément de moteur (10a) du ventilateur (10) entraîné par un moteur.
  3. Aspirateur selon la revendication 1, caractérisé en ce que le passage d'échappement (7) a une section inférieure à celle du carter (12) d'isolation contre le bruit.
  4. Aspirateur selon la revendication 1, caractérisé en ce qu'il comprend un couvercle (14) de carter placé à la face inférieure du carter (1) du corps, le passage de silencieux (8) étant délimité entre la surface inférieure du carter (1) du corps et le couvercle (14) du carter.
  5. Aspirateur selon la revendication 1, caractérisé en ce que la chambre d'échappement (9) a une section supérieure à celle du passage de silencieux (8).
  6. Aspirateur selon la revendication 1, caractérisé en ce que le passage de silencieux (8) a une section supérieure à celle du passage d'échappement (7).
  7. Aspirateur selon la revendication 1, caractérisé en ce que le passage du silencieux (8) est formé avec une configuration pratiquement en U.
  8. Aspirateur selon la revendication 1, caractérisé en ce qu'il comprend au moins une ailette (18) de redressement placée dans le passage de silencieux (8).
  9. Aspirateur selon la revendication 1, caractérisé en ce qu'il comprend une grille (19) de redressement placée du côté amont de l'ailette (18) de redressement dans le passage du silencieux (8).
  10. Aspirateur selon la revendication 1, caractérisé en ce qu'un premier organe élastique (20) est monté sur le tronçon (21) de montage à l'intérieur du carter (12) d'isolation contre le bruit, le ventilateur entraîné par un moteur étant alors monté sur le premier organe élastique (20), l'élément de moteur (10b) du ventilateur entraîné par un moteur (10) est alors recouvert d'un matériau d'absorption acoustique (24), et le carter (12) d'isolation contre le bruit est ensuite monté sur la nervure tubulaire (11) à l'aide de vis (13, 13a).
  11. Aspirateur selon la revendication 10, caractérisé en ce que la seconde matière élastique (22) est montée au préalable à la partie supérieure de l'élément de moteur (10b) du ventilateur entraîné par un moteur.
  12. Aspirateur selon la revendication 1, caractérisé en ce que, lorsque la matière d'absorption acoustique (24), le premier organe élastique (20) et le second organe élastique (22) ont été montés au préalable sur le ventilateur entraîné par un moteur (10), ce ventilateur (10) entraîné par un moteur est monté sur le tronçon de montage (21) à l'intérieur du carter (12) d'isolation contre le bruit.
EP88107080A 1987-05-06 1988-05-03 Aspirateur de poussières Expired - Lifetime EP0289987B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62109039A JPH0665332B2 (ja) 1987-05-06 1987-05-06 電気掃除機
JP109039/87 1987-05-06

Publications (3)

Publication Number Publication Date
EP0289987A2 EP0289987A2 (fr) 1988-11-09
EP0289987A3 EP0289987A3 (en) 1990-02-07
EP0289987B1 true EP0289987B1 (fr) 1994-01-05

Family

ID=14500055

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107080A Expired - Lifetime EP0289987B1 (fr) 1987-05-06 1988-05-03 Aspirateur de poussières

Country Status (5)

Country Link
EP (1) EP0289987B1 (fr)
JP (1) JPH0665332B2 (fr)
KR (1) KR960014807B1 (fr)
CN (1) CN1040720C (fr)
DE (1) DE3886809T2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8474093B2 (en) 2009-07-07 2013-07-02 Alfred Kaercher Gmbh & Co. Kg Suction appliance for cleaning purposes

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2907894B2 (ja) * 1989-09-29 1999-06-21 株式会社日立製作所 電気掃除機
JPH03182223A (ja) * 1989-12-08 1991-08-08 Matsushita Electric Ind Co Ltd 電気掃除機
DE69104891T2 (de) * 1990-04-18 1995-03-16 Hitachi Ltd Staubsauger.
JP3047984B2 (ja) * 1990-04-18 2000-06-05 株式会社日立製作所 電気掃除機
CA2136505C (fr) * 1994-04-21 2004-08-17 Robert C. Berfield Support de moteur
DE19733687B4 (de) * 1996-08-12 2005-04-21 Samsung Kwangju Electronics Co., Ltd. Motorgebläse für ein Reinigungsgerät
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Also Published As

Publication number Publication date
CN88102583A (zh) 1988-11-23
JPH0665332B2 (ja) 1994-08-24
EP0289987A2 (fr) 1988-11-09
JPS63275313A (ja) 1988-11-14
KR960014807B1 (ko) 1996-10-21
KR880013524A (ko) 1988-12-21
DE3886809D1 (de) 1994-02-17
EP0289987A3 (en) 1990-02-07
DE3886809T2 (de) 1994-05-05
CN1040720C (zh) 1998-11-18

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