FR1594481A - - Google Patents
Info
- Publication number
- FR1594481A FR1594481A FR1594481DA FR1594481A FR 1594481 A FR1594481 A FR 1594481A FR 1594481D A FR1594481D A FR 1594481DA FR 1594481 A FR1594481 A FR 1594481A
- 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
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
-
- 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
- F25D2700/122—Sensors measuring the inside temperature of freezer compartments
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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8173767 | 1967-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1594481A true FR1594481A (fr) | 1970-06-01 |
Family
ID=13754728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1594481D Expired FR1594481A (fr) | 1967-12-14 | 1969-12-13 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3548609A (fr) |
ES (1) | ES361341A1 (fr) |
FR (1) | FR1594481A (fr) |
GB (1) | GB1194760A (fr) |
NL (1) | NL145972B (fr) |
SE (1) | SE343131B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4528821A (en) * | 1982-07-28 | 1985-07-16 | Whirlpool Corporation | Adaptive demand defrost control for a refrigerator |
US4481785A (en) * | 1982-07-28 | 1984-11-13 | Whirlpool Corporation | Adaptive defrost control system for a refrigerator |
US5737232A (en) * | 1997-02-04 | 1998-04-07 | Maytag Corporation | Power supply arrangement for a control circuit |
Family Cites Families (5)
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 |
US3203195A (en) * | 1963-05-27 | 1965-08-31 | Gen Motors Corp | Refrigerating apparatus |
US3222882A (en) * | 1964-01-17 | 1965-12-14 | Texas Instruments Inc | Refrigeration temperature and frost control |
US3363429A (en) * | 1966-03-11 | 1968-01-16 | Motorola Inc | Temperature control circuit for refrigeration system |
US3460352A (en) * | 1967-07-31 | 1969-08-12 | Ranco Inc | Defrost control |
-
1968
- 1968-12-03 GB GB57286/68A patent/GB1194760A/en not_active Expired
- 1968-12-09 US US782268A patent/US3548609A/en not_active Expired - Lifetime
- 1968-12-12 SE SE16989/68A patent/SE343131B/xx unknown
- 1968-12-12 ES ES361341A patent/ES361341A1/es not_active Expired
- 1968-12-13 NL NL686817900A patent/NL145972B/xx not_active IP Right Cessation
-
1969
- 1969-12-13 FR FR1594481D patent/FR1594481A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1194760A (en) | 1970-06-10 |
ES361341A1 (es) | 1970-11-16 |
DE1814070A1 (de) | 1969-07-03 |
NL145972B (nl) | 1975-05-15 |
NL6817900A (fr) | 1969-06-17 |
US3548609A (en) | 1970-12-22 |
SE343131B (fr) | 1972-02-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |