GB1464664A - Drying machines and control apparatus therefor - Google Patents
Drying machines and control apparatus thereforInfo
- Publication number
- GB1464664A GB1464664A GB441575A GB441575A GB1464664A GB 1464664 A GB1464664 A GB 1464664A GB 441575 A GB441575 A GB 441575A GB 441575 A GB441575 A GB 441575A GB 1464664 A GB1464664 A GB 1464664A
- Authority
- GB
- United Kingdom
- Prior art keywords
- circuit
- electrode
- switch
- jan
- moisture content
- 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
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D22/00—Control of humidity
- G05D22/02—Control of humidity characterised by the use of electric means
-
- 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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/08—Control circuits or arrangements thereof
-
- 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/08—Humidity
- D06F2103/10—Humidity expressed as capacitance or resistance
-
- 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
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Drying Of Solid Materials (AREA)
Abstract
1464664 Controlling drying apparatus BOSCH-SIEMENS HAUSGERATE GmbH 31 Jan 1975 [31 Jan 1974] 4415/75 Heading F4G An apparatus for controlling the operation of a laundry tumbler drier by detecting the moisture content of material being dried, comprises electrodes 11, 12, 21 connected to the input of an electric circuit which controls a switch 33, the electrode-circuit combination detecting, at 10, the electrical conductivity of the linen, and at 20, its electrostatic charge. The circuit 10 preferably operates the switch 33 when the moisture content is about 20% and the circuit 20 when it is nearly 0%, a multi-pole change-over switch 40 selecting the appropriate circuit. In a modified circuit Fig. 2 (not shown) a multi-pole change-over switch (45) allows the electrode 21 to measure both the conductivity and the charge, electrodes 11, 12 being dispensed with and the drying drum (46) forming the other electrode. Percentages are by weight of dry material.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2405144A DE2405144C3 (en) | 1974-01-31 | 1974-01-31 | Device for controlling a tumble dryer operating on the drum principle |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1464664A true GB1464664A (en) | 1977-02-16 |
Family
ID=5906514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB441575A Expired GB1464664A (en) | 1974-01-31 | 1975-01-31 | Drying machines and control apparatus therefor |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2405144C3 (en) |
FR (1) | FR2259934B1 (en) |
GB (1) | GB1464664A (en) |
IT (1) | IT1031176B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2817750C2 (en) * | 1978-04-22 | 1982-07-01 | Miele & Cie GmbH & Co, 4830 Gütersloh | Method for operating a moisture-dependent controlled laundry dryer and arrangement for carrying out the method |
DE2945696C2 (en) * | 1979-11-13 | 1982-12-30 | Ako-Werke Gmbh & Co., 7988 Wangen | Circuit arrangement for controlling a clothes dryer |
DE3343179C1 (en) * | 1983-11-29 | 1985-10-10 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Laundry dryer |
DE3345303A1 (en) * | 1983-12-14 | 1985-06-27 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Domestic laundry-dryer |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2862304A (en) * | 1952-07-08 | 1958-12-02 | Eicken Henri | Apparatus for defining the percentage of moisture contained in any material and for checking or controlling machines treating moist material |
DE1435009A1 (en) * | 1960-04-14 | 1968-11-07 | Maytag Co | Drying device with automatic shutdown |
DE2155710C2 (en) * | 1971-11-05 | 1982-03-18 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Tumble-drier control device - having electrodes attached to door monitoring electrostatic charge of load |
-
1974
- 1974-01-31 DE DE2405144A patent/DE2405144C3/en not_active Expired
- 1974-10-17 FR FR7434911A patent/FR2259934B1/fr not_active Expired
-
1975
- 1975-01-28 IT IT19640/75A patent/IT1031176B/en active
- 1975-01-31 GB GB441575A patent/GB1464664A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2405144C3 (en) | 1981-06-19 |
DE2405144B2 (en) | 1980-08-28 |
FR2259934A1 (en) | 1975-08-29 |
DE2405144A1 (en) | 1975-08-07 |
IT1031176B (en) | 1979-04-30 |
FR2259934B1 (en) | 1977-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |