GB1331069A - On-off controlled oil temperature adjusting apparatus with a protective device - Google Patents
On-off controlled oil temperature adjusting apparatus with a protective deviceInfo
- Publication number
- GB1331069A GB1331069A GB5876470A GB5876470A GB1331069A GB 1331069 A GB1331069 A GB 1331069A GB 5876470 A GB5876470 A GB 5876470A GB 5876470 A GB5876470 A GB 5876470A GB 1331069 A GB1331069 A GB 1331069A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- temperature
- motor
- oil
- bridge
- 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
Links
- 230000001681 protective effect Effects 0.000 title 1
- 239000003990 capacitor Substances 0.000 abstract 2
- 239000002826 coolant Substances 0.000 abstract 1
- 230000007423 decrease Effects 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 abstract 1
Classifications
-
- 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
- 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
- F25B49/025—Motor control arrangements
-
- 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
- G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/042—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/26—Problems to be solved characterised by the startup of the refrigeration cycle
-
- 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
- F25B2600/00—Control issues
- F25B2600/23—Time delays
-
- 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
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Control Of Temperature (AREA)
- Air Conditioning Control Device (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1969119808U JPS4731241Y1 (enrdf_load_stackoverflow) | 1969-12-16 | 1969-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1331069A true GB1331069A (en) | 1973-09-19 |
Family
ID=14770724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5876470A Expired GB1331069A (en) | 1969-12-16 | 1970-12-10 | On-off controlled oil temperature adjusting apparatus with a protective device |
Country Status (4)
Country | Link |
---|---|
US (1) | US3680325A (enrdf_load_stackoverflow) |
JP (1) | JPS4731241Y1 (enrdf_load_stackoverflow) |
DE (1) | DE2061642C3 (enrdf_load_stackoverflow) |
GB (1) | GB1331069A (enrdf_load_stackoverflow) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2262691C3 (de) * | 1972-12-21 | 1982-02-11 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Elektronischer Temperaturschalter |
FR2283570A1 (fr) * | 1974-09-02 | 1976-03-26 | Unelec | Dispositif de protection thermique |
JP5394913B2 (ja) * | 2009-12-25 | 2014-01-22 | 株式会社森精機製作所 | 工作機械の冷却装置及び冷却方法 |
CN102072141A (zh) * | 2011-02-23 | 2011-05-25 | 无锡和晶科技股份有限公司 | 一种可防止失控的冰箱压缩机控制电路 |
US9325165B2 (en) | 2011-09-16 | 2016-04-26 | Siemens Aktiengesellschaft | Device and method for protecting a consumer |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3595028A (en) * | 1969-10-02 | 1971-07-27 | Gen Electric | Control means for air-conditioning system |
-
1969
- 1969-12-16 JP JP1969119808U patent/JPS4731241Y1/ja not_active Expired
-
1970
- 1970-12-04 US US95020A patent/US3680325A/en not_active Expired - Lifetime
- 1970-12-10 GB GB5876470A patent/GB1331069A/en not_active Expired
- 1970-12-15 DE DE2061642A patent/DE2061642C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3680325A (en) | 1972-08-01 |
JPS4731241Y1 (enrdf_load_stackoverflow) | 1972-09-19 |
DE2061642C3 (enrdf_load_stackoverflow) | 1974-04-11 |
DE2061642A1 (enrdf_load_stackoverflow) | 1971-07-08 |
DE2061642B2 (enrdf_load_stackoverflow) | 1973-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |