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WO2012085840A3 - Pump assembly with movable filter for washing machines - Google Patents

Pump assembly with movable filter for washing machines Download PDF

Info

Publication number
WO2012085840A3
WO2012085840A3 PCT/IB2011/055815 IB2011055815W WO2012085840A3 WO 2012085840 A3 WO2012085840 A3 WO 2012085840A3 IB 2011055815 W IB2011055815 W IB 2011055815W WO 2012085840 A3 WO2012085840 A3 WO 2012085840A3
Authority
WO
WIPO (PCT)
Prior art keywords
pump assembly
washing machines
filter
movable filter
liquid flow
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.)
Ceased
Application number
PCT/IB2011/055815
Other languages
French (fr)
Other versions
WO2012085840A2 (en
Inventor
Sandro Duri
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.)
Whirlpool EMEA SpA
Original Assignee
Indesit Co SpA
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 Indesit Co SpA filed Critical Indesit Co SpA
Priority to EP11810677.2A priority Critical patent/EP2654545B1/en
Priority to EP16162964.7A priority patent/EP3056132B1/en
Publication of WO2012085840A2 publication Critical patent/WO2012085840A2/en
Anticipated expiration legal-status Critical
Publication of WO2012085840A3 publication Critical patent/WO2012085840A3/en
Ceased legal-status Critical Current

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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4202—Water filter means or strainers
    • A47L15/4208—Arrangements to prevent clogging of the filters, e.g. self-cleaning
    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4219—Water recirculation
    • A47L15/4221—Arrangements for redirection of washing water, e.g. water diverters to selectively supply the spray arms
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/085—Arrangements or adaptations of pumps
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/10—Filtering arrangements
    • 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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Filtration Of Liquid (AREA)

Abstract

A pump assembly (1,1') for household appliances such as washing machines and the like, comprising at least one pump (3, 4, 3', 4'), a body (2,2') and a filter (9,9'), wherein the filter (9,9') can be positioned by means of an actuator (6) in at least two stable positions comprising a first position, in which said filter (9,9') filters a wash liquid flow, and a second position, in which said filter (9,9') is cleaned by a liquid flow running in the opposite direction with respect to said wash liquid flow.
PCT/IB2011/055815 2010-12-23 2011-12-20 Pump assembly with movable filter for washing machines Ceased WO2012085840A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11810677.2A EP2654545B1 (en) 2010-12-23 2011-12-20 Pump assembly with movable filter for washing machines
EP16162964.7A EP3056132B1 (en) 2010-12-23 2011-12-20 Filter cartridge for a pump assembly for household appliances

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT001044A ITTO20101044A1 (en) 2010-12-23 2010-12-23 PUMPING GROUP WITH MOBILE FILTER FOR WASHING MACHINES.
ITTO2010A001044 2010-12-23

Publications (2)

Publication Number Publication Date
WO2012085840A2 WO2012085840A2 (en) 2012-06-28
WO2012085840A3 true WO2012085840A3 (en) 2013-11-07

Family

ID=43737433

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2011/055815 Ceased WO2012085840A2 (en) 2010-12-23 2011-12-20 Pump assembly with movable filter for washing machines

Country Status (3)

Country Link
EP (4) EP3056132B1 (en)
IT (1) ITTO20101044A1 (en)
WO (1) WO2012085840A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9758918B2 (en) * 2012-09-28 2017-09-12 Dongbu Daewoo Electronics Corporation Washing machine
AU2016295058B2 (en) 2015-07-21 2021-03-04 Lg Electronics Inc. Dishwasher
JP6691028B2 (en) * 2016-09-12 2020-04-28 日立グローバルライフソリューションズ株式会社 Washing machine
CN112941836A (en) * 2021-01-25 2021-06-11 Tcl家用电器（合肥）有限公司 Liquid suction mechanism and washing machine
DE102021202010A1 (en) 2021-03-03 2022-09-08 BSH Hausgeräte GmbH Washing machine with pump-over system and method for its operation
EP4603632A1 (en) * 2024-02-16 2025-08-20 Askoll Holding S.r.l. Installation structure for a drain pump filter of a washing machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2287628A (en) * 1939-10-26 1942-06-23 Gen Electric Washing apparatus
US2512394A (en) * 1945-05-12 1950-06-20 Apex Electrical Mfg Co Self-cleaning lint trap
US2629390A (en) * 1946-02-13 1953-02-24 Frank G Walker Dishwashing machine
US2649765A (en) * 1946-07-18 1953-08-25 Landers Frary & Clark Self-cleaning strainer arrangement for dishwashing machines
US3064661A (en) * 1958-11-17 1962-11-20 Gen Motors Corp Cleaning apparatus for dishes or the like
JPH0966017A (en) * 1995-08-31 1997-03-11 Sharp Corp Dishwasher

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2287628A (en) * 1939-10-26 1942-06-23 Gen Electric Washing apparatus
US2512394A (en) * 1945-05-12 1950-06-20 Apex Electrical Mfg Co Self-cleaning lint trap
US2629390A (en) * 1946-02-13 1953-02-24 Frank G Walker Dishwashing machine
US2649765A (en) * 1946-07-18 1953-08-25 Landers Frary & Clark Self-cleaning strainer arrangement for dishwashing machines
US3064661A (en) * 1958-11-17 1962-11-20 Gen Motors Corp Cleaning apparatus for dishes or the like
JPH0966017A (en) * 1995-08-31 1997-03-11 Sharp Corp Dishwasher

Also Published As

Publication number Publication date
EP3056131A1 (en) 2016-08-17
EP3056132A1 (en) 2016-08-17
EP3056130B1 (en) 2017-08-16
WO2012085840A2 (en) 2012-06-28
EP3056130A1 (en) 2016-08-17
EP3056131B1 (en) 2017-08-16
ITTO20101044A1 (en) 2012-06-24
EP2654545B1 (en) 2016-06-15
EP3056132B1 (en) 2018-08-15
EP2654545A2 (en) 2013-10-30

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