IT1298956B1 - Dispositivo per il controllo con elevata precisione di una grandezza fisica quale la temperatura o l'umidita' entro un elettrodomestico - Google Patents
Dispositivo per il controllo con elevata precisione di una grandezza fisica quale la temperatura o l'umidita' entro un elettrodomesticoInfo
- Publication number
- IT1298956B1 IT1298956B1 IT98MI000654A ITMI980654A IT1298956B1 IT 1298956 B1 IT1298956 B1 IT 1298956B1 IT 98MI000654 A IT98MI000654 A IT 98MI000654A IT MI980654 A ITMI980654 A IT MI980654A IT 1298956 B1 IT1298956 B1 IT 1298956B1
- Authority
- IT
- Italy
- Prior art keywords
- appliance
- humidity
- temperature
- control
- high precision
- Prior art date
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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/26—Automatic controllers electric in which the output signal is a pulse-train
- G05B11/28—Automatic controllers electric in which the output signal is a pulse-train using pulse-height modulation; using pulse-width modulation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
- G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification
- F25D2317/04131—Control means therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Electric Ovens (AREA)
- Control Of Non-Electrical Variables (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT98MI000654A IT1298956B1 (it) | 1998-03-27 | 1998-03-27 | Dispositivo per il controllo con elevata precisione di una grandezza fisica quale la temperatura o l'umidita' entro un elettrodomestico |
EP99104667A EP0945772A3 (en) | 1998-03-27 | 1999-03-09 | Device for the high-precision control of a physical quantity such as the temperature or humidity in a household electrical appliance |
US09/280,046 US6163017A (en) | 1998-03-27 | 1999-03-26 | Device for the high-precision control of a physical quantity such as the temperature or humidity in a household electrical appliance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT98MI000654A IT1298956B1 (it) | 1998-03-27 | 1998-03-27 | Dispositivo per il controllo con elevata precisione di una grandezza fisica quale la temperatura o l'umidita' entro un elettrodomestico |
Publications (2)
Publication Number | Publication Date |
---|---|
ITMI980654A1 ITMI980654A1 (it) | 1999-09-27 |
IT1298956B1 true IT1298956B1 (it) | 2000-02-07 |
Family
ID=11379543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT98MI000654A IT1298956B1 (it) | 1998-03-27 | 1998-03-27 | Dispositivo per il controllo con elevata precisione di una grandezza fisica quale la temperatura o l'umidita' entro un elettrodomestico |
Country Status (3)
Country | Link |
---|---|
US (1) | US6163017A (it) |
EP (1) | EP0945772A3 (it) |
IT (1) | IT1298956B1 (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6303911B1 (en) * | 2000-01-12 | 2001-10-16 | Honeywell International Inc. | Device and method for controlling the temperature of a thin film resistive heater |
US6904761B2 (en) * | 2003-03-11 | 2005-06-14 | General Electric Company | Method and apparatus to control humidity in a refrigerator |
US8426777B2 (en) | 2010-05-19 | 2013-04-23 | Whirlpool Corporation | Oven control utilizing data-driven logic |
CN107479395A (zh) * | 2017-09-11 | 2017-12-15 | 广东美的制冷设备有限公司 | 智能家居设备的控制方法及装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3149224A (en) * | 1961-11-24 | 1964-09-15 | Monsanto Co | Heater control circuit |
US3732732A (en) * | 1966-11-03 | 1973-05-15 | Owens Corning Fiberglass Corp | Temperature measuring method |
US3553429A (en) * | 1968-11-18 | 1971-01-05 | Eastman Kodak Co | Temperature control circuit |
US3586830A (en) * | 1968-11-29 | 1971-06-22 | Coltron Ind | Logical control for discretely metering energy to thermal systems incorporating apparatus and methods for simulating time related temperatures |
US4097723A (en) * | 1971-06-09 | 1978-06-27 | Leitner Frank W | Thermal systems incorporating apparatus and methods for simulating time related temperatures |
DE2209770C3 (de) * | 1972-03-01 | 1980-07-24 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur Umwandlung des exponentiell mit einer Meßgröße verknüpften Widerstandswerts eines Widerstandsgebers in eine der Meßgröße proportionale Frequenz einer elektrischen Schwingung |
US3988577A (en) * | 1972-04-14 | 1976-10-26 | Automated Energy Systems, Inc. | Automated energy systems with computer compatibility |
US3872728A (en) * | 1972-10-10 | 1975-03-25 | Michael F Joyce | Electronic temperature measuring instrument |
US4013872A (en) * | 1975-05-02 | 1977-03-22 | Mobil Oil Corporation | Temperature control device |
US4159648A (en) * | 1977-11-03 | 1979-07-03 | Electromedics, Inc. | Electrical circuit board with directly attached display unit and method of assembling same |
US4197581A (en) * | 1978-04-12 | 1980-04-08 | General Electric Company | Control system for and method of controlling a cooking appliance |
US4858119A (en) * | 1981-05-15 | 1989-08-15 | The Frymaster Corporation | Intelligent cooking appliance |
US4720623A (en) * | 1986-05-01 | 1988-01-19 | E. I. Du Pont De Nemours And Company | Power control device for a resistance heater in an oven |
DE3808475A1 (de) * | 1988-03-14 | 1989-10-19 | Friedhelm Meyer | Verfahren und vorrichtung zum messen einer temperatur |
US5086806A (en) * | 1991-04-05 | 1992-02-11 | Boyd Coffee Company | Automatic flow control system and flood protector |
-
1998
- 1998-03-27 IT IT98MI000654A patent/IT1298956B1/it active IP Right Grant
-
1999
- 1999-03-09 EP EP99104667A patent/EP0945772A3/en not_active Withdrawn
- 1999-03-26 US US09/280,046 patent/US6163017A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0945772A3 (en) | 1999-11-17 |
ITMI980654A1 (it) | 1999-09-27 |
US6163017A (en) | 2000-12-19 |
EP0945772A2 (en) | 1999-09-29 |
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Legal Events
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0001 | Granted |