EP0940493B1 - Gasbeheizter Wäschetrockner - Google Patents
Gasbeheizter Wäschetrockner Download PDFInfo
- Publication number
- EP0940493B1 EP0940493B1 EP99102384A EP99102384A EP0940493B1 EP 0940493 B1 EP0940493 B1 EP 0940493B1 EP 99102384 A EP99102384 A EP 99102384A EP 99102384 A EP99102384 A EP 99102384A EP 0940493 B1 EP0940493 B1 EP 0940493B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- process air
- air
- fan
- throttle
- 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
Links
- 238000000034 method Methods 0.000 claims description 26
- 239000007789 gas Substances 0.000 claims description 25
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 239000003345 natural gas Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
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
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/26—Heating arrangements, e.g. gas heating equipment
- D06F58/263—Gas heating equipment
Definitions
- the invention relates to a gas-heated clothes dryer with a program selection and Control device, a device for regulating the heating operation and a device for the gas supply to a gas burner that can be operated with natural gas or LPG as well with a process air blower that promotes the process air and the combustion air the combustion chamber of the gas burner in a surrounding the combustion chamber Process air duct to the drum entrance is arranged, the process air blower in the process air duct, seen in the flow direction of the process air, behind which Drum output is arranged and the Gas burner in the direction of flow Process air as well as the combustion air is downstream and the air via a process air blower downstream exhaust duct from the device is led out.
- Such one gas-heated clothes dryer with a primary air-controlled premix burner is known from EP 0761 863 A1.
- the combustion air supply to the burner surface is solely via regulated the primary air supply.
- the process air for the drying process is via a Process air duct surrounding the combustion chamber and does not come into direct contact with the burner surface.
- This training causes low-pollution combustion.
- They are also gas-fired devices with devices for regulating heating operation known in which an adjustment of the gas supply to different types of gas via manual interchangeable nozzles.
- the manual replacement of the nozzles is e.g. B. from the Heating construction known.
- gas-heated clothes dryers are known, in which also an adaptation to different gas types via manually exchangeable nozzles he follows.
- the invention thus poses the problem of adapting the device to different ones To simplify and automate gas types or nominal gas pressures, so that a Adaptation with simple means or automatically through devices in the device can be done.
- the advantages that can be achieved with the invention are, in particular, that adaptation to the existing gas type with simple means without changes to the gas supply or Gas system can also be done automatically if necessary. All that is required is the air ratio be corrected, which is possible by simply changing the primary air supply.
- the amount of primary air is varied by changing the vacuum in the combustion chamber. This happens advantageously through the use of an air throttle in the exhaust air duct or Change in fan speed. The air throttle can be easily removed from the Operator are used. A change in fan speed is also over appropriate switch on the program selection and control device possible. A A combination of air throttle and speed change is also conceivable.
- the tumble dryer comes with a Program selection and control device (1), a device for regulating the heating operation (2) and a device for the gas supply (3) to either with natural gas or LPG operable gas burner (4).
- the tumble dryer has a rotatably mounted Drum (5) for receiving the laundry to be dried, which is closed by a door (6)
- the burner (4) is in the process air duct (7) to the drum inlet (8) gas-heated heating device arranged.
- the process air as well as the combustion air is via the process air blower (9) in the process air duct (10) from the drum outlet (11) sucked in and passed through the drum (5) and then via the exhaust air duct (12) to the Environment.
- the burner (4) is a primary air controlled premix burner.
- the Mixing chamber (13) has a primary air opening (14).
- the gas nozzle (15) opens into the Mixing chamber (13) and is arranged so that the primary air supply is not through the Injector effect of the gas nozzle (15), but by the generated by the blower (9) Negative pressure is determined. This is achieved in that the fan (9) in Flow direction of the process air seen behind the drum (5) and the burner (4) is arranged so that the drum (5) and burner (4) are in the vacuum region.
- Blower flow rate possible.
- the fan speed is provided to vary.
- a setting option is available via a keyboard, not shown on the program selection and control device (1).
- a second version is in that Exhaust air duct (12) an air throttle (16) arranged.
- the throttle (16) can be fixed Have opening cross section or be provided with adjusting means, not shown, the one Allow changing the opening cross-section. It is also a combination of Air throttle (16) and change in fan speed possible.
- Figure 2 shows a section of the rear wall (17) of the dryer and the ring-shaped reducing boss (18) in the exhaust air opening (19) of the exhaust air duct (12) in the rear wall (17).
- the reducing insert (18) is installed before the Connection piece (20) used for the exhaust air line.
- the reducing insert shown here (18) has a fixed opening cross-section.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Description
- Figur 1
- Eine schematische Darstellung eines gasbeheizten Wäschetrockners
- Figur 2
- den Einsatz einer Luftdrossel im Abluftkanal des Wäschetrockners
Claims (6)
- Gasbeheizter Wäschetrockner mit einer Programmwahl- und Steuereinrichtung (1), einer zur Regelung des Heizbetriebes (2) und einer Einrichtung für die Gaszufuhr (3) zu einem wahlweise Erdgas oder Flüssiggas betreibbaren Gasbrenner (4) sowie mit einem die Prozessluft sowie die Verbrennungsluft fördernden Prozessluftgebläse (9) wobei die Brennkammer des Gasbrenners (4) in einem die Brennkammer umgebenden Prozessluftkanal (7) zum Trommeleingang (8) angeordnet ist, wobei das Prozessluftgebläse (9) im Prozessluftkanal (10), in Strömungsrichtung der Prozessluft gesehen, hinter dem Trommelausgang (11) angeordnet ist und dem gasbrenner (4) in Strömungsrichtung der Prozessluft sowie der Verbrennungsluft nachgeschalten ist, und wobei die luft über einen dem Prozessluftgebläse (9) nachgeschalteten Abluftkanal (12) aus dem gerät heraus geführt wird,
dadurch gekennzeichnet, dass der Abluftkanal (12) und/oder das Prozessluftgebläse (9) mit Mitteln zur Änderung der Gebläseförderleistung ausgebildet sind, um die Anpassung des Gerätes an unterschiedliche Gasarten bzw. Menngasdrücke zu vereinfachen und automatisieren. - Gasbeheizter Wäschetrockner nach Anspruch 1,
dadurch gekennzeichnet, dass über die Programmwahl- und Steuereinrichtung (1) eine Änderung der Gebläsedrehzahl zur Änderung der Gebläseförderleistung erfolgt. - Gasbeheizter Wäschetrockner nach Anspruch 1,
dadurch gekennzeichnet, dass dem Prozessluftgebläse (9) in Strömungsrichtung eine Drossel (16) im Abluftkanal (12) zur Anderung der Gebläseförderleistung nachgeschattet ist. - Gasbeheizter Wäschetrockner nach Anspruch 3,
dadurch gekennzeichnet, dass die Drosse (16) einen festen Öffnungsquerschnitt aufweist. - Gasbeheizter Wäschetrockner nach Anspruch 3.
dadurch gekennzeichnet, dass die Drossel (16) einen veränderbaren Öffnungsquerschnitt aufweist. - Gasbeheizter Wäschetrockner nach Anspruch 5,
dadurch gekennzeichnet, dass über die Programmwahl- und Steuereinrichtung (1) eine Änderung des Öffnungsquerschnittes der Drossel (16) erfolgt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19809028 | 1998-03-04 | ||
| DE19809028A DE19809028A1 (de) | 1998-03-04 | 1998-03-04 | Gasbeheizter Wäschetrockner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0940493A1 EP0940493A1 (de) | 1999-09-08 |
| EP0940493B1 true EP0940493B1 (de) | 2004-04-21 |
Family
ID=7859554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99102384A Expired - Lifetime EP0940493B1 (de) | 1998-03-04 | 1999-02-08 | Gasbeheizter Wäschetrockner |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0940493B1 (de) |
| DE (2) | DE19809028A1 (de) |
| ES (1) | ES2215340T3 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT408271B (de) * | 1999-05-25 | 2001-10-25 | Vaillant Gmbh | Einrichtung zur einstellung der gasart für eine heizeinrichtung |
| DE50006003D1 (de) * | 2000-09-14 | 2004-05-13 | Punker Gmbh & Co | Gebläseanordnung, insbesondere Radialgebläseanordnung |
| US6861123B2 (en) * | 2000-12-01 | 2005-03-01 | Johnson & Johnson Vision Care, Inc. | Silicone hydrogel contact lens |
| JP2005506165A (ja) * | 2001-10-25 | 2005-03-03 | エルジー エレクトロニクス インコーポレイテッド | 乾燥機およびそのための乾燥制御方法 |
| CN1325867C (zh) * | 2002-12-25 | 2007-07-11 | 乐金电子(天津)电器有限公司 | 烘干机控制方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2690905A (en) * | 1951-07-02 | 1954-10-05 | Lovell Mfg Co | Drier |
| US3291467A (en) * | 1964-11-02 | 1966-12-13 | Gen Electric | Clothes dryer with slanted combustion chamber |
| NL8400406A (nl) * | 1984-02-08 | 1985-09-02 | Veg Gasinstituut Nv | Gasbrander. |
| DE19633505A1 (de) * | 1995-08-21 | 1997-02-27 | Miele & Cie | Wäschetrockner mit einer gasbeheizten Heizungseinrichtung |
-
1998
- 1998-03-04 DE DE19809028A patent/DE19809028A1/de not_active Ceased
-
1999
- 1999-02-08 EP EP99102384A patent/EP0940493B1/de not_active Expired - Lifetime
- 1999-02-08 ES ES99102384T patent/ES2215340T3/es not_active Expired - Lifetime
- 1999-02-08 DE DE59909215T patent/DE59909215D1/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE19809028A1 (de) | 1999-09-09 |
| EP0940493A1 (de) | 1999-09-08 |
| ES2215340T3 (es) | 2004-10-01 |
| DE59909215D1 (de) | 2004-05-27 |
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