ES8306202A1 - Washing machine - Google Patents

Washing machine

Info

Publication number
ES8306202A1
ES8306202A1 ES512349A ES512349A ES8306202A1 ES 8306202 A1 ES8306202 A1 ES 8306202A1 ES 512349 A ES512349 A ES 512349A ES 512349 A ES512349 A ES 512349A ES 8306202 A1 ES8306202 A1 ES 8306202A1
Authority
ES
Spain
Prior art keywords
pump
detergent
descend
conduit
periods
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
Application number
ES512349A
Other languages
Spanish (es)
Other versions
ES512349A0 (en
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES512349A0 publication Critical patent/ES512349A0/en
Publication of ES8306202A1 publication Critical patent/ES8306202A1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D06F39/086—Arrangements for avoiding detergent wastage in the discharge conduit

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Accessories For Mixers (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)

Abstract

In order to avoid detergent wastage, especially in wash cycles which take place at a relatively low water temperature, e.g. between 30 DEG and 60 DEG C, the delivery side of the washing machine pump 8 is connected to a conduit or tube 11, the height of which is at least approximately equal to the maximum height of the drum 7 contained in the tub 3. Furthermore, after the operation or operations involved in feeding the detergent or simultaneously therewith, the discharge pump 8 is controlled by pulse means which determine a series of short operating periods of the pump alternated by halt periods, such that the water with the undissolved detergent is made to rise in the conduit or tube during such operating periods, and then descend then the pump is stopped, thus obtaining a to-and-fro movement which favours the dissolving of the detergent. The water column is able to descend by virtue of the fact that the pump commonly used in washing machines is of the centrifugal type, which does not hinder such backward flow.
ES512349A 1981-05-21 1982-05-19 Washing machine Expired ES8306202A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21865/81A IT1138385B (en) 1981-05-21 1981-05-21 IMPROVEMENTS IN OR IN WASHING MACHINES

Publications (2)

Publication Number Publication Date
ES512349A0 ES512349A0 (en) 1983-05-01
ES8306202A1 true ES8306202A1 (en) 1983-05-01

Family

ID=11187943

Family Applications (1)

Application Number Title Priority Date Filing Date
ES512349A Expired ES8306202A1 (en) 1981-05-21 1982-05-19 Washing machine

Country Status (5)

Country Link
DE (1) DE3218883A1 (en)
ES (1) ES8306202A1 (en)
FR (1) FR2506354B1 (en)
GB (1) GB2099462B (en)
IT (1) IT1138385B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2560615B1 (en) * 1984-03-02 1986-11-07 Esswein Sa LAUNDRY WASHING MACHINE USING LAUNDRY IN DIVIDED OR VISCOUS FORM
GB2166163A (en) * 1984-10-25 1986-04-30 Bosch Siemens Hausgeraete Automatic washing machine
DE3682320D1 (en) * 1985-04-25 1991-12-12 Licentia Gmbh DRUM WASHING MACHINE.
DE3517025A1 (en) * 1985-05-11 1986-11-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Drum-type washing machine
WO1987002078A1 (en) * 1985-10-03 1987-04-09 Miele & Cie. Gmbh & Co. Washing machine or washing drying machine with devices to avoid losses of washing agent
IT1216080B (en) * 1988-03-14 1990-02-22 Merloni A Spa METHOD AND DEVICE TO ECONOMIZE DETERGENT, PARTICULARLY FOR AN AUTOMATIC CYCLE WASHING MACHINE.
IT1217894B (en) * 1988-06-22 1990-03-30 Eurodomestici Ind Riunite LAUNDRY CLEANING MACHINE WITH PERFECTED DEVICE FOR PUMP CONTROL FOR CLOSING A VALVE, IN PARTICULAR HINGE FOR THE DETERGENT ECONOMIZATION
IT1271947B (en) * 1993-02-10 1997-06-10 Siltal Casa Spa PERFECTED WASHING MACHINE
IT1263893B (en) * 1993-02-11 1996-09-05 PERFECTED WASHING MACHINE
KR20050014506A (en) * 2003-07-31 2005-02-07 삼성전자주식회사 Drum washing machine and control method thereof
WO2009124923A1 (en) * 2008-04-09 2009-10-15 Arcelik Anonim Sirketi A washing machine
AU2015221453B2 (en) * 2015-09-01 2021-09-02 Electrolux Thailand Co. Ltd A Washing Machine
DE102019209149A1 (en) * 2019-06-25 2020-12-31 BSH Hausgeräte GmbH Laundry care device with a pumping device and a method for operating the laundry care device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1785610C3 (en) * 1966-11-28 1974-09-26 Bosch-Siemens-Hausgeraete Gmbh, 7000 Stuttgart Filters for a laundry treatment machine. Eliminated from: 1610105
DE6923774U (en) * 1969-06-13 1970-03-12 Siemens Elektrogeraete Gmbh DRAIN HOSE FOR A WASHING MACHINE OR DISHWASHING MACHINE
DE2758686A1 (en) * 1977-12-29 1979-07-12 Henkel Kgaa METHOD AND APPARATUS FOR WASHING TEXTILES WHILE AVOIDING DETERGENT LOSS IN WASHING MACHINES

Also Published As

Publication number Publication date
FR2506354A1 (en) 1982-11-26
IT1138385B (en) 1986-09-17
FR2506354B1 (en) 1985-10-31
DE3218883A1 (en) 1982-12-09
ES512349A0 (en) 1983-05-01
GB2099462A (en) 1982-12-08
GB2099462B (en) 1984-05-31
IT8121865A0 (en) 1981-05-21

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980202