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ES357609A1 - Un dispositivo controlador de la descongelacion de frigori-ficos electricos. - Google Patents

Un dispositivo controlador de la descongelacion de frigori-ficos electricos.

Info

Publication number
ES357609A1
ES357609A1 ES357609A ES357609A ES357609A1 ES 357609 A1 ES357609 A1 ES 357609A1 ES 357609 A ES357609 A ES 357609A ES 357609 A ES357609 A ES 357609A ES 357609 A1 ES357609 A1 ES 357609A1
Authority
ES
Spain
Prior art keywords
defrosting
ice
temperature
thermistor
defrosting controller
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
Application number
ES357609A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics Corp
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
Application filed by Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Publication of ES357609A1 publication Critical patent/ES357609A1/es
Expired legal-status Critical Current

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
    • 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
    • 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
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Defrosting Systems (AREA)
ES357609A 1967-08-31 1968-08-28 Un dispositivo controlador de la descongelacion de frigori-ficos electricos. Expired ES357609A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5627667 1967-08-31

Publications (1)

Publication Number Publication Date
ES357609A1 true ES357609A1 (es) 1970-04-01

Family

ID=13022543

Family Applications (2)

Application Number Title Priority Date Filing Date
ES357609A Expired ES357609A1 (es) 1967-08-31 1968-08-28 Un dispositivo controlador de la descongelacion de frigori-ficos electricos.
ES357707A Expired ES357707A1 (es) 1967-08-31 1968-08-30 Un sistema de regulacion de temperatura para refrigeradoreselectricos.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES357707A Expired ES357707A1 (es) 1967-08-31 1968-08-30 Un sistema de regulacion de temperatura para refrigeradoreselectricos.

Country Status (6)

Country Link
US (1) US3529431A (es)
ES (2) ES357609A1 (es)
FR (1) FR1577194A (es)
GB (1) GB1202620A (es)
NL (1) NL145971B (es)
SE (1) SE339015B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142374A (en) * 1977-09-16 1979-03-06 Wylain, Inc. Demand defrost time clock control circuit
US4646529A (en) * 1986-01-24 1987-03-03 Thermo King Corporation Transport refrigeration unit defrost control system
US5737232A (en) * 1997-02-04 1998-04-07 Maytag Corporation Power supply arrangement for a control circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248892A (en) * 1963-02-25 1966-05-03 Texas Instruments Inc Refrigeration control regulating temperature and frost build-up
US3222882A (en) * 1964-01-17 1965-12-14 Texas Instruments Inc Refrigeration temperature and frost control
US3362183A (en) * 1966-01-21 1968-01-09 Texas Instruments Inc Fluid flow control in refrigeration systems
US3363429A (en) * 1966-03-11 1968-01-16 Motorola Inc Temperature control circuit for refrigeration system

Also Published As

Publication number Publication date
FR1577194A (es) 1969-08-01
SE339015B (es) 1971-09-27
DE1751998A1 (de) 1971-10-21
ES357707A1 (es) 1970-03-16
GB1202620A (en) 1970-08-19
US3529431A (en) 1970-09-22
NL145971B (nl) 1975-05-15
DE1751998B2 (de) 1976-05-06
NL6812354A (es) 1969-03-04

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