SE339015B - - Google Patents
Info
- Publication number
- SE339015B SE339015B SE11659/68A SE1165968A SE339015B SE 339015 B SE339015 B SE 339015B SE 11659/68 A SE11659/68 A SE 11659/68A SE 1165968 A SE1165968 A SE 1165968A SE 339015 B SE339015 B SE 339015B
- Authority
- SE
- Sweden
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5627667 | 1967-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE339015B true SE339015B (nl) | 1971-09-27 |
Family
ID=13022543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE11659/68A SE339015B (nl) | 1967-08-31 | 1968-08-30 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3529431A (nl) |
| ES (2) | ES357609A1 (nl) |
| FR (1) | FR1577194A (nl) |
| GB (1) | GB1202620A (nl) |
| NL (1) | NL145971B (nl) |
| SE (1) | SE339015B (nl) |
Families Citing this family (3)
| 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)
| 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 |
-
1968
- 1968-08-19 GB GB39525/68A patent/GB1202620A/en not_active Expired
- 1968-08-27 US US755667A patent/US3529431A/en not_active Expired - Lifetime
- 1968-08-28 ES ES357609A patent/ES357609A1/es not_active Expired
- 1968-08-30 NL NL686812354A patent/NL145971B/nl unknown
- 1968-08-30 FR FR1577194D patent/FR1577194A/fr not_active Expired
- 1968-08-30 ES ES357707A patent/ES357707A1/es not_active Expired
- 1968-08-30 SE SE11659/68A patent/SE339015B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES357609A1 (es) | 1970-04-01 |
| DE1751998A1 (de) | 1971-10-21 |
| NL145971B (nl) | 1975-05-15 |
| FR1577194A (nl) | 1969-08-01 |
| US3529431A (en) | 1970-09-22 |
| ES357707A1 (es) | 1970-03-16 |
| DE1751998B2 (de) | 1976-05-06 |
| NL6812354A (nl) | 1969-03-04 |
| GB1202620A (en) | 1970-08-19 |