IT1014320B - Apparecchio per il controllo delle funzioni di un refrigeratore - Google Patents

Apparecchio per il controllo delle funzioni di un refrigeratore

Info

Publication number
IT1014320B
IT1014320B IT6892474A IT6892474A IT1014320B IT 1014320 B IT1014320 B IT 1014320B IT 6892474 A IT6892474 A IT 6892474A IT 6892474 A IT6892474 A IT 6892474A IT 1014320 B IT1014320 B IT 1014320B
Authority
IT
Italy
Prior art keywords
chiller
functions
control
Prior art date
Application number
IT6892474A
Other languages
English (en)
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP6877873A external-priority patent/JPS5740521B2/ja
Priority claimed from JP9730473A external-priority patent/JPS5718204B2/ja
Priority claimed from JP48123436A external-priority patent/JPS5139702B2/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of IT1014320B publication Critical patent/IT1014320B/it

Links

Classifications

    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002—Defroster control
    • F25D21/006—Defroster control with electronic control circuits
    • 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
    • H02H3/0935—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means the timing being determined by numerical means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/15—Power, e.g. by voltage or current
    • F25B2700/151—Power, e.g. by voltage or current of the compressor motor
    • 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
    • F25D2400/24—Protection against refrigerant explosions
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
IT6892474A 1973-06-20 1974-06-19 Apparecchio per il controllo delle funzioni di un refrigeratore IT1014320B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6877873A JPS5740521B2 (it) 1973-06-20 1973-06-20
JP9730473A JPS5718204B2 (it) 1973-08-31 1973-08-31
JP48123436A JPS5139702B2 (it) 1973-11-05 1973-11-05

Publications (1)

Publication Number Publication Date
IT1014320B true IT1014320B (it) 1977-04-20

Family

ID=27299848

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6892474A IT1014320B (it) 1973-06-20 1974-06-19 Apparecchio per il controllo delle funzioni di un refrigeratore

Country Status (3)

Country Link
DE (1) DE2429279C2 (it)
GB (1) GB1475131A (it)
IT (1) IT1014320B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151723A (en) * 1977-07-15 1979-05-01 Emhart Industries, Inc. Refrigeration system control method and apparatus
GB2123180B (en) * 1982-06-30 1986-01-22 Tokyo Shibaura Electric Co Control device for a refrigerator
DE3407286A1 (de) * 1984-02-29 1985-09-05 Danner Schutzgastechnik u.Apparatebau GmbH & Co, 6050 Offenbach Abtausteuergeraet fuer eine kaelteanlage
GB8827343D0 (en) * 1988-11-23 1988-12-29 I O Innovation Design Consulta Thermostatic control apparatus
WO2004033909A1 (en) 2002-10-11 2004-04-22 Lg Electronics Inc. Overload protective apparatus of a compressor and a method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1076632A (en) * 1964-03-19 1967-07-19 Plessey Uk Ltd Improvements in or relating to process control timers
US3383525A (en) * 1966-01-21 1968-05-14 Chemcell Ltd Chemcell Limitee Selectable cycle timer with plural outputs of different time intervals and automaticreset
US3526271A (en) * 1968-12-13 1970-09-01 Borg Warner Heating-cooling control system with extended time delay
GB1294758A (en) * 1969-12-13 1972-11-01 Tokyo Shibaura Electric Co Program control devices
US3636369A (en) * 1970-04-23 1972-01-18 American Standard Inc Refrigerant compressor control-relay to control two time delays
US3660718A (en) * 1970-06-08 1972-05-02 Honeywell Inc Automatically resetting motor protection circuit responsive to overcurrent and overtemperature

Also Published As

Publication number Publication date
GB1475131A (en) 1977-06-01
DE2429279C2 (de) 1986-06-12
DE2429279A1 (de) 1975-01-23

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