FR1577194A - - Google Patents

Info

Publication number
FR1577194A
FR1577194A FR1577194DA FR1577194A FR 1577194 A FR1577194 A FR 1577194A FR 1577194D A FR1577194D A FR 1577194DA FR 1577194 A FR1577194 A FR 1577194A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1577194A publication Critical patent/FR1577194A/fr
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)
FR1577194D 1967-08-31 1968-08-30 Expired FR1577194A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1577194A true FR1577194A (fr) 1969-08-01

Family

ID=13022543

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1577194D Expired FR1577194A (fr) 1967-08-31 1968-08-30

Country Status (6)

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

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
NL145971B (nl) 1975-05-15
SE339015B (fr) 1971-09-27
DE1751998B2 (de) 1976-05-06
GB1202620A (en) 1970-08-19
ES357609A1 (es) 1970-04-01
US3529431A (en) 1970-09-22
DE1751998A1 (de) 1971-10-21
ES357707A1 (es) 1970-03-16
NL6812354A (fr) 1969-03-04

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Legal Events

Date Code Title Description
ST Notification of lapse