DE2533759C3 - Device for treating waste water from large laundries, breweries or the like. - Google Patents
Device for treating waste water from large laundries, breweries or the like.Info
- Publication number
- DE2533759C3 DE2533759C3 DE2533759A DE2533759A DE2533759C3 DE 2533759 C3 DE2533759 C3 DE 2533759C3 DE 2533759 A DE2533759 A DE 2533759A DE 2533759 A DE2533759 A DE 2533759A DE 2533759 C3 DE2533759 C3 DE 2533759C3
- Authority
- DE
- Germany
- Prior art keywords
- water
- cold
- heat
- line
- warm
- 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
Links
- 239000002351 wastewater Substances 0.000 title claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 238000005406 washing Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 2
- 239000008237 rinsing water Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 239000013505 freshwater Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
-
- D06F39/30—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Description
Die Erfindung betrifft eine Vorrichtung zur Behandlung des Abwassers von Großwäschereien, Brauereien oder dergleichen, bei der das warme Abwasser über Wärmetauscher geleitet ist, die die dem Abwasser entzogene Wärme auf kaltes Wasser übertragen.The invention relates to a device for treating waste water from large laundries and breweries or the like, in which the warm wastewater is passed through heat exchangers, which the wastewater transferred heat to cold water.
Es ist ein Verfahren und eine Vorrichtung bekannt (DE-OS 24 47 428), bei der die Wärme aus Gebäudeabwässern durch Wärmeaustausch auf Frischwasser übertragen wird. Hierbei soll der Wärmeinhalt von Abwasser, beispielsweise von Wasch- und Spülmaschinen, ausgenutzt werden. Durchgeführt wird dies im wesentlichen dadurch, daß das heiße Abwasser, bevor es Wärmetauschern zugeführt wird, in Sammelbehälter gelangt, während das Frischwasser über diese Wärmetauscher geleitet wird und dem Abwasser die Wärme entzieht. Das so erwärmte Frischwasser wird dann über einen zusätzlichen Wassererhitzer den verschiedenen Verbrauchern zugeführt. Das Abwasser wird nach den Wärmetauschern direkt in den Kanal geleitet.There is a method and a device known (DE-OS 24 47 428), in which the heat from building wastewater is transferred to fresh water by heat exchange. The heat content of Waste water, for example from washing machines and dishwashers, can be exploited. This is done in essentially in that the hot waste water, before it is fed to heat exchangers, in collecting tanks arrives while the fresh water is routed through these heat exchangers and the waste water receives the heat withdraws. The fresh water heated in this way is then used by an additional water heater for the various Supplied to consumers. After the heat exchangers, the wastewater is fed directly into the sewer.
Dieses bekannte Verfahren bzw. die entsprechende Vorrichtung sind insofern nachteilig, als das Abwasser ungenutzt in den Kanal abströmen kann, so daß erhebliche Wassermengen verschwendet werden.This known method and the corresponding device are disadvantageous insofar as the waste water can flow unused into the channel, so that considerable amounts of water are wasted.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art so auszubilden, daß bei Rückgewinnung der Wärmeenergie gleichzeitig auch eine beachtliche Wasserersparnis erzielt wird.The invention is based on the object of designing a device of the type mentioned at the outset in such a way that that when the thermal energy is recovered, considerable water savings are achieved at the same time.
Diese Aufgabe wird nach der Erfindung dadurch gelöst, daß für ein getrenntes Sammeln des warmen Waschwassers und des kalten Spülwassers Sammelbekken vor den Wärmetauschern angeordnet sind und das kalte Spülwasser über Feinfilter den Wärmetauschern als durch das warme Waschwasser zu erwärmende Flüssigkeit zugeführt ist, wobei das warme Waschwasser vor Einleitung in die Wärmetauscher ebenfalls über Feinfilter geführt ist, und daß das die Wärmeenergie aufnehmende Spülwasser zu einem Heißwassersammelbehälter geführt ist, der an die Waschmaschine oder dergleichen angeschlossen ist.This object is achieved according to the invention in that for a separate collection of the warm Wash water and the cold rinse water collecting basins are arranged in front of the heat exchangers and that cold rinsing water through fine filters to the heat exchangers than to be heated by the warm washing water Liquid is supplied, with the warm wash water also being passed over before being introduced into the heat exchanger Fine filter is performed, and that the heat energy absorbing rinse water to a hot water collecting tank is performed, which is connected to the washing machine or the like.
Die Vorrichtung nach der Erfindung weist einen hohen Nutzungsgrad auf und kann ferner automatisch bedient werden. Neben einer hohen Einsparung an Wärmeenergie, nämlich bis zu 80%, kann bis zu 50% an Wasser eingespart werden. Die Vorrichtung zeichnet sich durch ihren einfachen Aufbau aus, wobei bekannte Elemente in entsprechender Anordnung zueinander verwendet sind. Außerdem kann durch die besondere Anordnung der Filter die Anlage kontinuierlich imThe device according to the invention has a high degree of utilization and can also be automatic to be served. In addition to high thermal energy savings, namely up to 80%, up to 50% can be achieved Water can be saved. The device is characterized by its simple structure, with known Elements are used in a corresponding arrangement to one another. Also, by the special Arrangement of the filter continuously in the system
to Taktverfahren betrieben werden, wobei außerdem durch die besondere Anordnung und Schaltung der Wärmetauscher diese in bestimmten Zeitabschnitten einfach gereinigt werden können.to clock processes are operated, and also due to the special arrangement and circuit of the Heat exchanger these can be cleaned easily in certain time periods.
Eine vorteilhafte Ausführungsform besteht darin, daßAn advantageous embodiment is that
is das überschüssige kalte Spülwasser über eine Rückleitung
aus dem Sammelbecken einem an die Waschmaschine oder dergleichen angeschlossenen
Kaltwassersammelbehälter zugeführt wird.
Die Erfindung wird in der nachfolgenden Beschreibung anhand eines in der Zeichnung dargestellten
Ausführungsbeispiels näher erläutert.The excess cold rinse water is fed via a return line from the collecting basin to a cold water collecting tank connected to the washing machine or the like.
The invention is explained in more detail in the following description with reference to an embodiment shown in the drawing.
In der Zeichnung ist eine Ausführungsform nach der Erfindung dargestellt, und zwar in Verbindung mit einer Waschmaschine, wobei die Waschmaschine mit dem Bezugszeichen 1 versehen ist. Der Waschmaschine 1 werden gelöste Waschmittel über eine Leitung 17 beigegeben, wobei zum Aufheizen de? Wassers beispielsweise eine Dampfleitung 18 vorgesehen ist. Die Abwässer der Maschine 1 werden über eine Leitung 8 für heißes Abwasser und eine Leitung 9 für kaltes Abwasser von der Waschmaschine 1 abgegeben, wobei zur Steuerung entsprechend dem Waschvorgang ein Dreiwege-Ventil 19 vorgesehen ist Die Leitungen 8 bzw. 9 münden in Sammelbecken 6 bzw. 7, wobei das heiße Abwasser in dem Becken 6 und das kalte Abwasser in dem Becken 7 gesammelt werden. Das Sammelbecken 6 für das heiße Abwasser ist besonders wärmeisoliert, wobei beispielsweise dieser Behälter als isolierter Doppelmanteltank mit Kunststoffbeschichtung ausgeführt sein kann, während das weitere Becken 7 für das Kaltwasser keine derartige Isolierung braucht Aus dem Becken 6 wird das heiße Wasser über eine Leitung 8' und das kalte Wasser über eine Leitung 9' mit Hilfe von Pumpen 11 entnommen, wobei das heiße Wasser über parallel geschaltete Feinfilter 2 gelangt wobei durch eine entsprechende Steuerung diese Filter taktweise in Betrieb sind und der ausgeschaltete Filter in der Zwischenzeit gereinigt oder durch einen neuen ersetzt wird. In diesen Filtern 2 werden die ungelöstenIn the drawing, an embodiment according to the invention is shown, in conjunction with a Washing machine, the washing machine being provided with the reference number 1. The washing machine 1 dissolved detergents are added via a line 17, with de? Water for example a steam line 18 is provided. The wastewater from the machine 1 is conveyed via a line 8 for hot waste water and a line 9 for cold waste water from the washing machine 1, wherein A three-way valve 19 is provided for control in accordance with the washing process. The lines 8 and 9 open into collecting basins 6 and 7, respectively, with the hot wastewater in the basin 6 and the cold Waste water can be collected in the basin 7. The collecting basin 6 for the hot waste water is special thermally insulated, for example this container as an insulated double-walled tank with a plastic coating can be carried out, while the further basin 7 does not need such insulation for the cold water From the basin 6, the hot water is transferred via a line 8 'and the cold water via a line 9' Taken with the aid of pumps 11, the hot water passing through fine filters 2 connected in parallel With a corresponding control, these filters are in operation cyclically and the switched-off filter in in the meantime is cleaned or replaced with a new one. In these filters 2 are the unsolved
so Schmutz- und Fetteilchen, sowie ausgewaschenen Textilien und Zusätze abgefiltert, wobei die Filter 2 entsprechend konstruiert sind. Diese abfiltrierten Koagulate haben einen Wärmeinhalt von etwa 4000 kcal/kg und werden mit Kohle verbrannt. Über eine Leitung 20, ein Vierwege-Ventil 15 und eine Leitung 16 gelangt das heiße Wasser in zwei zusammengeschaltete Wärmetauscher 3 und tritt an dem unteren Wärmetauscher über eine Leitung 21 aus, gelangt von dort wieder zu dem Vierwege-Ventil 15 und über eine Leitung 22 in einen Abwasserkanal 4. Die derart abgegebene Wärmemenge wird zum Aufheizen des kalten Abwassers verwendet, das weniger verunreinigt ist und somit für den Waschprozeß wieder verwendet werden kann. Dieses kalte Abwasser wird über Feinfilter 10 entsprechend gereinigt und gelangt über eine Leitung 23 durch die Wärmetauscher und tritt .πι dem oberen Wärmetauscher 3 an einer Leitung 24 aufgeheizt aus. Diese Leitung 24 ist an einenSo dirt and grease particles, as well as washed-out textiles and additives are filtered out, whereby the filter 2 are designed accordingly. These filtered coagulates have a heat content of approx 4000 kcal / kg and are burned with coal. Via a line 20, a four-way valve 15 and one Line 16, the hot water passes into two interconnected heat exchangers 3 and occurs the lower heat exchanger via a line 21, from there it reaches the four-way valve 15 and again via a line 22 into a sewer 4. The amount of heat released in this way is used for heating of the cold wastewater, which is less polluted and thus used again for the washing process can be used. This cold wastewater is appropriately cleaned via fine filter 10 and arrives Via a line 23 through the heat exchanger and enters the upper heat exchanger 3 at a line 24 heated off. This line 24 is at one
Heißwassersammelbehälter 5 angeschlossen, aus dem je sach Bedarf das warme Wasser über eine Leitung 25 für die Maschine 1 entnommen werden kann.Hot water collecting tank 5 connected, from which ever if the hot water is required via a line 25 for the machine 1 can be removed.
Das überschüssige Kaltwasser aus dem Becken 7 gelangt über eine Abzweigleitung 26 von der Leitung 23 über eine Rückleitung 13 in einen Kaltwassersammelbehälter 14, wo es je nach Bedarf für den Spülvorgang an der Waschmaschine 1 verwendet werden kann.The excess cold water from the basin 7 reaches the line 23 via a branch line 26 Via a return line 13 into a cold water collecting tank 14, where it can be used for the flushing process as required the washing machine 1 can be used.
Zur Reinigung der Wärmetauscher 3 werden diese rückgespült, wobei das durch das Rohrbündel strömende Wasser iü entgegengesetzter StrömungsrichtungIn order to clean the heat exchangers 3, they are backwashed, with the flowing through the tube bundle Water in the opposite direction of flow
laufL Für diesen Vorgang werden die Pumpen 11 abgeschaltet und ein Ventil 27 in einer Kaltwasserleitung 28 geöffnet Ferner wird das Vierwege-Ventil 15 derart eingestellt, daß das Kaltwasser über die Leitung 21 zunächst in den unteren Wärmetauscher und dann über den oberen Wärmetauscher 3, die Leitung 16 und die Leitung 22 in den Abwasserkanal 4 gelangt Nach erfolgter Rückspülung wird das Ventil 15 wieder durch einen entsprechenden Stellmotor auf »Betiieb« gestellt, und die Rückgewinnung der Wärme aus den Abwässern kann wieder erfolgen.runL For this process the pumps 11 switched off and a valve 27 in a cold water line 28 opened. Furthermore, the four-way valve 15 adjusted so that the cold water through line 21 first in the lower heat exchanger and then Via the upper heat exchanger 3, the line 16 and the line 22 into the sewer 4, Nach arrives Once backwashing has taken place, the valve 15 is set to "Operate" again by a corresponding servomotor, and the heat can be recovered from the wastewater.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (2)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2533759A DE2533759C3 (en) | 1975-07-29 | 1975-07-29 | Device for treating waste water from large laundries, breweries or the like. |
CH888776A CH611954A5 (en) | 1975-07-29 | 1976-07-12 | Apparatus for recovering heat energy from waste water and for saving water, especially in laundries |
FR7621763A FR2319584A1 (en) | 1975-07-29 | 1976-07-16 | DEVICE FOR RECOVERING THERMAL ENERGY FROM WASTE WATER AND SAVING WATER |
NL7607950A NL7607950A (en) | 1975-07-29 | 1976-07-16 | DEVICE FOR RECOVERING HEAT ENERGY FROM WASTE WATER AND SAVING WATER. |
AT528976A AT349043B (en) | 1975-07-29 | 1976-07-19 | DEVICE FOR THE RECOVERY OF THERMAL ENERGY FROM WASTEWATER AND FOR THE RECOVERY OF WATER |
ES450142A ES450142A1 (en) | 1975-07-29 | 1976-07-24 | Installation for recovery and saving of calorifica energy and water, of the wastewater. (Machine-translation by Google Translate, not legally binding) |
IT25781/76A IT1067078B (en) | 1975-07-29 | 1976-07-28 | DEVICE FOR THE RECOVERY OF THERMAL ENERGY FROM WASTE WATER AND TO ECONOMIZE WATER |
BE169290A BE844578A (en) | 1975-07-29 | 1976-07-28 | DEVICE FOR RECOVERING THERMAL ENERGY FROM WASTE WATER AND SAVING WATER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2533759A DE2533759C3 (en) | 1975-07-29 | 1975-07-29 | Device for treating waste water from large laundries, breweries or the like. |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2533759A1 DE2533759A1 (en) | 1977-02-17 |
DE2533759B2 DE2533759B2 (en) | 1980-06-12 |
DE2533759C3 true DE2533759C3 (en) | 1981-05-07 |
Family
ID=5952662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2533759A Expired DE2533759C3 (en) | 1975-07-29 | 1975-07-29 | Device for treating waste water from large laundries, breweries or the like. |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT349043B (en) |
BE (1) | BE844578A (en) |
CH (1) | CH611954A5 (en) |
DE (1) | DE2533759C3 (en) |
ES (1) | ES450142A1 (en) |
FR (1) | FR2319584A1 (en) |
IT (1) | IT1067078B (en) |
NL (1) | NL7607950A (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7665332B2 (en) | 2006-08-15 | 2010-02-23 | Whirlpool Corporation | Steam fabric treatment appliance with exhaust |
US7681418B2 (en) | 2006-08-15 | 2010-03-23 | Whirlpool Corporation | Water supply control for a steam generator of a fabric treatment appliance using a temperature sensor |
US7690062B2 (en) | 2007-08-31 | 2010-04-06 | Whirlpool Corporation | Method for cleaning a steam generator |
US7707859B2 (en) | 2006-08-15 | 2010-05-04 | Whirlpool Corporation | Water supply control for a steam generator of a fabric treatment appliance |
US7765628B2 (en) | 2006-06-09 | 2010-08-03 | Whirlpool Corporation | Steam washing machine operation method having a dual speed spin pre-wash |
US7841219B2 (en) | 2006-08-15 | 2010-11-30 | Whirlpool Corporation | Fabric treating appliance utilizing steam |
US7861343B2 (en) | 2007-08-31 | 2011-01-04 | Whirlpool Corporation | Method for operating a steam generator in a fabric treatment appliance |
US7905119B2 (en) | 2007-08-31 | 2011-03-15 | Whirlpool Corporation | Fabric treatment appliance with steam generator having a variable thermal output |
US7918109B2 (en) | 2007-08-31 | 2011-04-05 | Whirlpool Corporation | Fabric Treatment appliance with steam generator having a variable thermal output |
US7941885B2 (en) | 2006-06-09 | 2011-05-17 | Whirlpool Corporation | Steam washing machine operation method having dry spin pre-wash |
US7966683B2 (en) | 2007-08-31 | 2011-06-28 | Whirlpool Corporation | Method for operating a steam generator in a fabric treatment appliance |
US8037565B2 (en) | 2007-08-31 | 2011-10-18 | Whirlpool Corporation | Method for detecting abnormality in a fabric treatment appliance having a steam generator |
US8393183B2 (en) | 2007-05-07 | 2013-03-12 | Whirlpool Corporation | Fabric treatment appliance control panel and associated steam operations |
US8555676B2 (en) | 2007-08-31 | 2013-10-15 | Whirlpool Corporation | Fabric treatment appliance with steam backflow device |
US8555675B2 (en) | 2007-08-31 | 2013-10-15 | Whirlpool Corporation | Fabric treatment appliance with steam backflow device |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE8006392L (en) * | 1980-09-12 | 1982-03-13 | Jacob Weitman | SET AND SYSTEM FOR HEATING RECOVERY |
DE3119809C2 (en) * | 1981-05-19 | 1984-01-12 | Menerga Apparatebau GmbH, 4330 Mülheim | Device for obtaining heat from wastewater |
DE3223422A1 (en) * | 1982-06-23 | 1984-01-12 | Alfons 7516 Karlsbad Meschenmoser | System for recovering heat from waste water and for reuse as toilet flushing water |
DE3338189A1 (en) * | 1983-10-20 | 1985-06-05 | Walter Neukirchen Kroll | METHOD FOR RECOVERING HEAT FROM WASTEWATER WITH SIMULTANEOUS DRINKING WATER SAVING |
DE3476113D1 (en) * | 1984-05-07 | 1989-02-16 | Jacob Weitman | A method of controlling an energy recovery system |
EP0217981A1 (en) * | 1985-07-25 | 1987-04-15 | Richard O. Kaufmann | Continuous flow laundry system and method |
EP0266473A3 (en) * | 1986-11-03 | 1989-03-08 | Jacob Weitman | Method and apparatus for the recovery of waste water from industrial processes |
GR920100177A (en) * | 1992-05-05 | 1994-01-31 | Abdul Kader Jihad | New washing process-new washing machine and results. |
DE9410453U1 (en) * | 1994-06-28 | 1994-12-01 | Premark Feg Corp | Drainage water heat recovery system and dishwasher |
GR1002423B (en) * | 1995-10-31 | 1996-08-29 | Jihad A. Kader | Machines and system for the economy of water. |
US7886392B2 (en) | 2006-08-15 | 2011-02-15 | Whirlpool Corporation | Method of sanitizing a fabric load with steam in a fabric treatment appliance |
US7753009B2 (en) | 2006-10-19 | 2010-07-13 | Whirlpool Corporation | Washer with bio prevention cycle |
DE102007013296B9 (en) * | 2007-03-16 | 2021-10-14 | Huber Se | Arrangement and method for the recovery of thermal energy from waste water |
CN112619246A (en) * | 2020-12-12 | 2021-04-09 | 安徽管仲酒业有限公司 | White spirit is made and is recycled device with waste water recovery |
CN112833695B (en) * | 2021-02-20 | 2022-07-01 | 重庆合得拢食品有限公司 | Brine heat energy recycling device |
CN114046604B (en) * | 2021-11-18 | 2024-01-12 | 深圳职业技术学院 | Two-stage supercooling direct heating type multifunctional heat pump water heater |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1537842A (en) * | 1924-03-12 | 1925-05-12 | Mccarty | Water-heating system |
FR1012295A (en) * | 1950-02-09 | 1952-07-08 | Washing machine improvements | |
FR1020493A (en) * | 1950-06-19 | 1953-02-06 | Heat recovery installation | |
GB759022A (en) * | 1953-04-25 | 1956-10-10 | Sydney John Cresswell | Economizers for installations such as laundries |
FR1171345A (en) * | 1955-11-26 | 1959-01-23 | Bosch Gmbh Robert | Washing machine |
GB820385A (en) * | 1957-02-08 | 1959-09-16 | Cherry Tree Machine Company Lt | Improvements in the washing of textile materials |
SE382496B (en) * | 1973-10-09 | 1976-02-02 | R Christensen | SET AND FACILITY FOR VERMEAT RECOVERY. |
-
1975
- 1975-07-29 DE DE2533759A patent/DE2533759C3/en not_active Expired
-
1976
- 1976-07-12 CH CH888776A patent/CH611954A5/en not_active IP Right Cessation
- 1976-07-16 FR FR7621763A patent/FR2319584A1/en active Granted
- 1976-07-16 NL NL7607950A patent/NL7607950A/en active Search and Examination
- 1976-07-19 AT AT528976A patent/AT349043B/en not_active IP Right Cessation
- 1976-07-24 ES ES450142A patent/ES450142A1/en not_active Expired
- 1976-07-28 BE BE169290A patent/BE844578A/en not_active IP Right Cessation
- 1976-07-28 IT IT25781/76A patent/IT1067078B/en active
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7765628B2 (en) | 2006-06-09 | 2010-08-03 | Whirlpool Corporation | Steam washing machine operation method having a dual speed spin pre-wash |
US7941885B2 (en) | 2006-06-09 | 2011-05-17 | Whirlpool Corporation | Steam washing machine operation method having dry spin pre-wash |
US7707859B2 (en) | 2006-08-15 | 2010-05-04 | Whirlpool Corporation | Water supply control for a steam generator of a fabric treatment appliance |
US7665332B2 (en) | 2006-08-15 | 2010-02-23 | Whirlpool Corporation | Steam fabric treatment appliance with exhaust |
US7841219B2 (en) | 2006-08-15 | 2010-11-30 | Whirlpool Corporation | Fabric treating appliance utilizing steam |
US7681418B2 (en) | 2006-08-15 | 2010-03-23 | Whirlpool Corporation | Water supply control for a steam generator of a fabric treatment appliance using a temperature sensor |
US8393183B2 (en) | 2007-05-07 | 2013-03-12 | Whirlpool Corporation | Fabric treatment appliance control panel and associated steam operations |
US7690062B2 (en) | 2007-08-31 | 2010-04-06 | Whirlpool Corporation | Method for cleaning a steam generator |
US7861343B2 (en) | 2007-08-31 | 2011-01-04 | Whirlpool Corporation | Method for operating a steam generator in a fabric treatment appliance |
US7905119B2 (en) | 2007-08-31 | 2011-03-15 | Whirlpool Corporation | Fabric treatment appliance with steam generator having a variable thermal output |
US7918109B2 (en) | 2007-08-31 | 2011-04-05 | Whirlpool Corporation | Fabric Treatment appliance with steam generator having a variable thermal output |
US7966683B2 (en) | 2007-08-31 | 2011-06-28 | Whirlpool Corporation | Method for operating a steam generator in a fabric treatment appliance |
US8037565B2 (en) | 2007-08-31 | 2011-10-18 | Whirlpool Corporation | Method for detecting abnormality in a fabric treatment appliance having a steam generator |
US8555676B2 (en) | 2007-08-31 | 2013-10-15 | Whirlpool Corporation | Fabric treatment appliance with steam backflow device |
US8555675B2 (en) | 2007-08-31 | 2013-10-15 | Whirlpool Corporation | Fabric treatment appliance with steam backflow device |
Also Published As
Publication number | Publication date |
---|---|
BE844578A (en) | 1976-11-16 |
FR2319584B1 (en) | 1983-12-09 |
ATA528976A (en) | 1978-08-15 |
DE2533759A1 (en) | 1977-02-17 |
FR2319584A1 (en) | 1977-02-25 |
CH611954A5 (en) | 1979-06-29 |
ES450142A1 (en) | 1977-08-01 |
IT1067078B (en) | 1985-03-12 |
NL7607950A (en) | 1977-02-01 |
DE2533759B2 (en) | 1980-06-12 |
AT349043B (en) | 1979-03-12 |
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