EP1488110A1 - Pumpe - Google Patents

Pumpe

Info

Publication number
EP1488110A1
EP1488110A1 EP03725976A EP03725976A EP1488110A1 EP 1488110 A1 EP1488110 A1 EP 1488110A1 EP 03725976 A EP03725976 A EP 03725976A EP 03725976 A EP03725976 A EP 03725976A EP 1488110 A1 EP1488110 A1 EP 1488110A1
Authority
EP
European Patent Office
Prior art keywords
shaft
fan
recess
motor
pump
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.)
Granted
Application number
EP03725976A
Other languages
English (en)
French (fr)
Other versions
EP1488110B1 (de
Inventor
Pevrül Arçelik Anonim Sirketi SARIKAYA
Cumhur Arçelik Anonim Sirketi AYVAZOGLU
Cengiz Arçelik Anonim Sirketi DEDE
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP1488110A1 publication Critical patent/EP1488110A1/de
Application granted granted Critical
Publication of EP1488110B1 publication Critical patent/EP1488110B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/022—Units comprising pumps and their driving means containing a coupling a coupling allowing slip, e.g. torque converter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/20—Mounting rotors on shafts

Definitions

  • This invention is related to a pump, which has a bearing group with reduced fan friction resistance.
  • Synchronous pumps which are used for water discharge preferably in the washing machines, must operate on possible low grid voltage and to activate with low energy consumption.
  • a fan bearing group of the centrifugal pump defined in the European Patent No. 0207430 makes noise, especially during the initial start up of the pump and may cause vibrations and locking of the pump.
  • connection detail of the pump fan to the motor is defined in the synchronous pumps.
  • An O-ring, located on a mechanical and cylindrical part, which rotates around the central axis in the coupling housing a viscous liquid, is causing loss of power, due to the friction it creates. Therefore, such pumps are starting up by using high grid voltages. More energy is being consumed due to this reason and the pump may not operate in case the voltage is low.
  • the purpose of this invention is to develop a pump, which has a fan-bearing group that provides the start up of the operation under low voltage conditions and which provides the reduction of the power losses.
  • Figure 1 - is the schematic view of a pump.
  • Figure 2 - is the side section view of a coupling.
  • Figure 3 - is the section view of a seal that has two internal surfaces and one side surface.
  • Pumps which are preferably used in domestic appliances, in dish washing machines and in washmachines, for the purpose of discharging comprise of a motor (12), to provide the operation of the pump, a pump body (13), which covers the motor (12), a shaft (3) which transmits the drive power received from the motor (12) a fan (4), attached the motor (12), to provide desired liquids to be sucked and pumped by a shaft (3), a coupling (5) to provide the shaft (3) itself to be rotated together with the fan (4), and a fan housing (14) which covers the fan (4) and which directs the liquids to the directions of suction and discharge.
  • the fan (4) includes more than one vane (15), which provide the liquid to be sucked and pumped is filled in and discharged and has a recess (8) to com ect the fan (4) to the shaft (3) in the center part of the vanes (15).
  • the recess (8) has a ladder-like structure having several cylindrical steps of different diameters and having a protrusion (10) in the form of a slice of a circle in the lowest step.
  • the shaft (3) is being attached to a recess (8), which has a viscous liquid in itself by a coupling (5).
  • the coupling (5) comprises a fan washer (6) having a central bore to accommodate the shaft (3) to protect the coupling (5), a seal (2) placed below the fan washer, having a central bore to accommodate the shaft (3) to prevent the escape of the viscous liquid outside the recess and vice versa, a fan holder (7) connected to the shaft (3) under the seal preferably in a tight fit fashion, with a central bore to accommodate the shaft (3) to transmit the drive from the shaft to the fan (4).
  • the fan holder (7) has a cylindrical body (9) to rotate it around its axis inside the recess it is born and includes an extension piece (11) having a form of a circle slice, connected to this body (9) to complete the protrusion (10) in the form of a chord in the recess (8) so that a gap remains in between.
  • the extension (11) moves in the gap, without touching the protrusion (10) in order to determine the direction of rotation of the motors in the pumps during start up.
  • the viscous liquid inside the recess (8) prevents noise and vibration during this movement. Hence, locking are also prevented during this phase.
  • the viscous liquid that creates non-friction movement of the fan holder (7) connected to the shaft, within the recess by providing a sliding surface between the recess (8) and fan holder (7) facilitates the movement.
  • the seal (2) comprises of one or more internal surfaces (17) forming the central hole to accommodate the shaft (3); one or more grooves (18) between said surfaces; one or more side surfaces (16) wider than the internal surface(s) and contacting the whole surface of the recess; one or more grooves between side surfaces (16).
  • the fan holder (7) which has no barrier that will resist this rotation except the viscous liquid in it, starts rotating before the fan washer (6) that contacts the side surfaces of the recess (8) and the seal (2) because higher friction forces than the force that drives the shaft (3) is formed on the seal (2) that contacts all surfaces of the fan washer (6), attached in a tight fit fashion and the recess (8) due to the surface they contact. Since the area of the internal surface (17), through which the shaft (3) passes is smaller than the side surface (16) a lower friction force does not prevent the rotation of the shaft (3) due to internal surface (17), is formed. This friction force on more than one internal surface (17), among which grooves (18) are present may be further lowered.
  • the extension (11) rests on the protrusion (10) after the first movement of the fan holder (7), which is driven by the shaft (3) and this causes the movement of the moves coupling (5), together with the fan (4) as a single piece.
  • a side surface (16) and two internal surfaces (17) having a gap there between are used.
  • the shaft (3) moves easily inside them and the escape of the viscous liquid in the recess (8) is prevented.
  • a side surface (16) in full contact with the recess the friction surface is increased and movement of the seal gets more difficult.
  • the friction in the first movement has been reduced and the operation of the motor (12) by consuming less energy has been provided.
  • the amount of winding wire used on motor (12) is decreased and use of lower magnetic value magnets can be used.
  • the present pump (1) provides optimum and economic usage.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Fluid-Driven Valves (AREA)
  • Eye Examination Apparatus (AREA)
  • Rotary Pumps (AREA)
EP03725976A 2002-03-21 2003-03-21 Pumpe Expired - Lifetime EP1488110B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
TR200200758 2002-03-21
TR200200758 2002-03-21
PCT/TR2003/000023 WO2003081051A1 (en) 2002-03-21 2003-03-21 Pump

Publications (2)

Publication Number Publication Date
EP1488110A1 true EP1488110A1 (de) 2004-12-22
EP1488110B1 EP1488110B1 (de) 2010-11-10

Family

ID=28450348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03725976A Expired - Lifetime EP1488110B1 (de) 2002-03-21 2003-03-21 Pumpe

Country Status (6)

Country Link
EP (1) EP1488110B1 (de)
AT (1) ATE487880T1 (de)
AU (1) AU2003231495A1 (de)
DE (1) DE60334891D1 (de)
TR (1) TR200402388T1 (de)
WO (1) WO2003081051A1 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD980058A1 (it) * 1998-03-19 1999-09-19 Askoll Holding Srl Dispositivo di trascinamento, con angolo di libera rotazione ampliato fra il motore sincrono a magneti permanenti e l'organo operatore
IT224186Z2 (it) * 1991-03-28 1996-02-09 Askoll Srl Dispositivo di accoppiamento fra rotore e girante di elettropompe o simili con motore a magneti permanenti
IT1281839B1 (it) * 1995-01-19 1998-03-03 Askoll Srl Dispositivo perfezionato di avviamento del rotore di un motore sincrono a magneti permanenti
DE19752372A1 (de) * 1997-11-26 1999-05-27 Guenther Dipl Ing Beez Regelbare Kreiselpumpe, insbesondere für Verbrennungsmotore
US6478555B1 (en) * 1999-06-16 2002-11-12 Lg Electronics, Inc. Apparatus for controlling noise and vibration for drain pump
JP2001342832A (ja) * 2000-05-30 2001-12-14 Honda Motor Co Ltd エンジンのウオータポンプ駆動構造

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03081051A1 *

Also Published As

Publication number Publication date
EP1488110B1 (de) 2010-11-10
DE60334891D1 (de) 2010-12-23
ATE487880T1 (de) 2010-11-15
WO2003081051A1 (en) 2003-10-02
TR200402388T1 (tr) 2005-08-22
AU2003231495A1 (en) 2003-10-08

Similar Documents

Publication Publication Date Title
US7131823B2 (en) Electrically driven pump and domestic appliance having the pump
US6450785B1 (en) Oil pump for a hermetic compressor
US6988873B2 (en) Monodirectional impeller with flexible vanes
US8603261B2 (en) Dishwashing machine with a pump with a brushless permanent magnet motor
US20050260088A1 (en) Electrically driven pump and domestic appliance having the pump
US20140127060A1 (en) Appliance pump with angled flow path and axial flow impeller
US7033145B2 (en) Centrifugal pump for electrical household appliance or the like
EP1488110B1 (de) Pumpe
JP2005337158A (ja) 圧縮機
KR100540381B1 (ko) 자흡식 펌프용 임펠러
KR101068171B1 (ko) 비엘디씨 펌프
EP2042074B1 (de) Rotationspumpe, insbesondere für Geschirrspülmaschinen oder Waschmaschinen
CN214626692U (zh) 泵及其转子
US20060078447A1 (en) Electric water pump rotating in the correct direction
EP1883148B1 (de) Rotationspumpe getrieben durch einen Synchronmotor mit einer Flüssigkeitsreibungskupplung
CN217741410U (zh) 洗碗机
JP2004150390A (ja) 水中ポンプ
EP4269802A1 (de) Kondensatabflusspumpe mit reduziertem lärm
JP3637154B2 (ja) 洗濯機等のポンプ装置
CN113890256A (zh) 电机、泵及家用电器
KR20190125622A (ko) 세탁기의 배수 펌프
KR0121136Y1 (ko) 액체펌프
JP2002130180A (ja) Ｄｃポンプ装置
KR200169162Y1 (ko) 진공강자흡식펌프의임펠러
KR200173312Y1 (ko) 펌프

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20041018

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

17Q First examination report despatched

Effective date: 20090706

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SARIKAYA, PEVRUELARCELIK ANONIM SIRKETI

Inventor name: AYVAZOGLU, CUMHURARCELIK ANONIM SIRKETI

Inventor name: DEDE, CENGIZARCELIK ANONIM SIRKETI

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 60334891

Country of ref document: DE

Date of ref document: 20101223

Kind code of ref document: P

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20101110

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110210

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110310

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110211

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

Ref country code: BE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20110811

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110331

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20110321

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 60334891

Country of ref document: DE

Effective date: 20110811

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20111130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20111001

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110331

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110331

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110321

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110331

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 60334891

Country of ref document: DE

Effective date: 20111001

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110321

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110321

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101110