IT1228870B - Sistema di controllo e metodo di funzionamento per apparato di raffreddamento atmosferico ed apparato di raffreddamento atmosferico. - Google Patents
Sistema di controllo e metodo di funzionamento per apparato di raffreddamento atmosferico ed apparato di raffreddamento atmosferico.Info
- Publication number
- IT1228870B IT1228870B IT8919891A IT1989189A IT1228870B IT 1228870 B IT1228870 B IT 1228870B IT 8919891 A IT8919891 A IT 8919891A IT 1989189 A IT1989189 A IT 1989189A IT 1228870 B IT1228870 B IT 1228870B
- Authority
- IT
- Italy
- Prior art keywords
- atmospheric cooling
- control system
- operating method
- atmospheric
- cooling apparatus
- Prior art date
Links
- 238000001816 cooling Methods 0.000 title 2
- 238000011017 operating method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H57/00—Electrostrictive relays; Piezoelectric relays
-
- 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
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
- F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
-
- 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
- F25D29/00—Arrangement or mounting of control or safety devices
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0251—Compressor control by controlling speed with on-off operation
-
- 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
- F25D2317/06—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 with forced air circulation
- F25D2317/065—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 with forced air circulation characterised by the air return
- F25D2317/0653—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 with forced air circulation characterised by the air return through the mullion
-
- 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
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/04—Refrigerators with a horizontal mullion
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17350288A | 1988-03-25 | 1988-03-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8919891A0 IT8919891A0 (it) | 1989-03-24 |
IT1228870B true IT1228870B (it) | 1991-07-05 |
Family
ID=22632321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8919891A IT1228870B (it) | 1988-03-25 | 1989-03-24 | Sistema di controllo e metodo di funzionamento per apparato di raffreddamento atmosferico ed apparato di raffreddamento atmosferico. |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH01285769A (it) |
DE (1) | DE3909262A1 (it) |
FR (1) | FR2629186B1 (it) |
IT (1) | IT1228870B (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3909261A1 (de) * | 1988-03-25 | 1989-10-05 | Gen Electric | Verfahren und system zum regeln der eingangsleistung einer elektrischen heizvorrichtung, insbesondere eines elektroherdes |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2489049A (en) * | 1945-12-20 | 1949-11-22 | John J Root | Temperature control |
US2595967A (en) * | 1950-02-11 | 1952-05-06 | Westinghouse Electric Corp | Switch for refrigerators |
US3553975A (en) * | 1967-08-07 | 1971-01-12 | Sanyo Electric Co | Refrigerator temperature and defrosting control |
JPS5171972A (ja) * | 1974-12-18 | 1976-06-22 | Matsushita Electric Ind Co Ltd | Ondoriree |
US4093883A (en) * | 1975-06-23 | 1978-06-06 | Yujiro Yamamoto | Piezoelectric multimorph switches |
SU758303A1 (ru) * | 1978-08-14 | 1980-08-23 | Valentin A Abramov | Пьезокерамическое реле |
US4332142A (en) * | 1980-10-14 | 1982-06-01 | General Electric Company | Household refrigerator including anti-sweat heater control circuit |
US4626698A (en) * | 1984-12-21 | 1986-12-02 | General Electric Company | Zero crossing synchronous AC switching circuits employing piezoceramic bender-type switching devices |
US4670682A (en) * | 1984-12-21 | 1987-06-02 | General Electric Company | Piezoelectric ceramic switching devices and systems and method of making the same |
JPS6284281A (ja) * | 1985-10-09 | 1987-04-17 | 松下冷機株式会社 | 冷凍冷蔵庫 |
US4658154A (en) * | 1985-12-20 | 1987-04-14 | General Electric Company | Piezoelectric relay switching circuit |
US4755706A (en) * | 1986-06-19 | 1988-07-05 | General Electric Company | Piezoelectric relays in sealed enclosures |
JPS6346339A (ja) * | 1986-08-13 | 1988-02-27 | Hitachi Ltd | 空気調和機の電源回路 |
-
1989
- 1989-03-21 DE DE3909262A patent/DE3909262A1/de not_active Withdrawn
- 1989-03-22 FR FR8903736A patent/FR2629186B1/fr not_active Expired - Fee Related
- 1989-03-24 IT IT8919891A patent/IT1228870B/it active
- 1989-03-27 JP JP1077946A patent/JPH01285769A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2629186A1 (fr) | 1989-09-29 |
FR2629186B1 (fr) | 1995-05-05 |
JPH01285769A (ja) | 1989-11-16 |
IT8919891A0 (it) | 1989-03-24 |
DE3909262A1 (de) | 1989-10-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI952510A0 (fi) | Menetelmä ja laite antenninvaihtoa käyttävien monitietojärjestelmien ohjaamiseksi | |
KR900013800A (ko) | 디지탈화 비디오 시스템을 위한 장치 및 방법 | |
DE69434996D1 (de) | Systemsteuerungsverfahren und Vorrichtung | |
BR8900570A (pt) | Metodo para um sistema interativo de tratamento de informacoes | |
MX9205082A (es) | Sistema y metodo de control de equipo de comunicacion . | |
GB2194414B (en) | Method, system and apparatus for the magnetic surveillance of articles | |
EP0589554A3 (en) | Airborne measurement method and device. | |
BR8606400A (pt) | Aparelho e metodo para desligamento de relogios de sistema | |
BR8901622A (pt) | Metodo para um sistema de manipulacao de informacao interativo | |
IT8022674A0 (it) | Metodo ed apparecchio per la spruzzatura al plasma. | |
IT8468145A1 (it) | Sistema di controllo e comando per frigoriferi. | |
DE3686664T2 (de) | Bildverarbeitungsverfahren und -system. | |
IT8423372A0 (it) | Procedimento ed impianto per raffreddare palline. | |
GB2202996B (en) | Apparatus for generating air ions and an air ionization system. | |
IT1229746B (it) | Sistema e dispositivo di comando per apparecchio contattore. | |
IT8622558A0 (it) | Sistema multiplex ottico e metodo per attuarlo. | |
IT1152482B (it) | Sistema,metodo e apparato per grafitazione | |
IT8619414A0 (it) | Apparato e metodo per la sovrapposizione di immagini video. | |
IT1228870B (it) | Sistema di controllo e metodo di funzionamento per apparato di raffreddamento atmosferico ed apparato di raffreddamento atmosferico. | |
IT8026694A0 (it) | Metodo e dispositivo per tenere sotto controllo un impianto di antislittamento. | |
IT1228857B (it) | Metodo ed apparecchiatura di servizio per stampanti veloci. | |
ZA873590B (en) | Method and apparatus for adding additional d.c.motors and control thereof | |
ITMI931597A1 (it) | Metodo ed apparato per il comando di movimentazione di un utensile. | |
EP0585461A4 (en) | SYSTEM AND METHOD FOR COOLING AN APPARATUS. | |
MX9202773A (es) | Metodo y aparato para monitorear el funcionamiento del sistema de control de recirculacion. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960327 |