SE7808647L - LIMIT VALUE SIGNALING DEVICE FOR EXCHANGE SIGNALS - Google Patents
LIMIT VALUE SIGNALING DEVICE FOR EXCHANGE SIGNALSInfo
- Publication number
- SE7808647L SE7808647L SE7808647A SE7808647A SE7808647L SE 7808647 L SE7808647 L SE 7808647L SE 7808647 A SE7808647 A SE 7808647A SE 7808647 A SE7808647 A SE 7808647A SE 7808647 L SE7808647 L SE 7808647L
- Authority
- SE
- Sweden
- Prior art keywords
- limit value
- signaling device
- exchange signals
- value signaling
- exchange
- Prior art date
Links
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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/08—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
-
- 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
- F25B49/022—Compressor control arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
- G01R19/1658—AC voltage or recurrent signals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Control Of Electric Motors In General (AREA)
- Manipulation Of Pulses (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2736783A DE2736783C3 (en) | 1977-08-16 | 1977-08-16 | Limit value reporting device for alternating signals |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7808647L true SE7808647L (en) | 1979-02-17 |
SE431915B SE431915B (en) | 1984-03-05 |
Family
ID=6016450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7808647A SE431915B (en) | 1977-08-16 | 1978-08-15 | LIMIT VALUE SIGNAL DEVICE FOR EXCHANGE SIGNALS AND USE THEREOF |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5432366A (en) |
DE (1) | DE2736783C3 (en) |
DK (1) | DK159336C (en) |
GB (1) | GB2002983B (en) |
NL (1) | NL185539C (en) |
SE (1) | SE431915B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2486207B1 (en) * | 1980-07-07 | 1987-09-25 | Dunham Bush Inc | HEAT PUMP SYSTEM |
DE3139598A1 (en) * | 1981-10-06 | 1983-06-16 | AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang | Circuit arrangement for recording telecommunications traffic |
US4431390A (en) * | 1981-10-23 | 1984-02-14 | Dresser Industries, Inc. | Condensation control apparatus for oil-flooded compressors |
FR2735623B1 (en) * | 1995-06-16 | 1998-02-13 | Tricard Jean Pierre | ELECTRONIC PROTECTION OF HOUSEHOLD REFRIGERATION APPLIANCES |
CN102033197B (en) * | 2010-10-18 | 2014-04-23 | 中国电力科学研究院 | Direct current (DC) converter valve non-periodic triggering test method using improved time delay method |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5011569B1 (en) * | 1969-01-27 | 1975-05-02 |
-
1977
- 1977-08-16 DE DE2736783A patent/DE2736783C3/en not_active Expired
-
1978
- 1978-07-27 NL NLAANVRAGE7807981,A patent/NL185539C/en not_active IP Right Cessation
- 1978-08-11 JP JP9742478A patent/JPS5432366A/en active Pending
- 1978-08-14 DK DK357578A patent/DK159336C/en not_active IP Right Cessation
- 1978-08-15 SE SE7808647A patent/SE431915B/en not_active IP Right Cessation
- 1978-08-15 GB GB7833316A patent/GB2002983B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DK159336B (en) | 1990-10-01 |
GB2002983B (en) | 1982-01-20 |
DK159336C (en) | 1991-03-11 |
DE2736783B2 (en) | 1979-08-30 |
NL185539B (en) | 1989-12-01 |
DE2736783C3 (en) | 1980-05-08 |
NL185539C (en) | 1990-05-01 |
GB2002983A (en) | 1979-02-28 |
SE431915B (en) | 1984-03-05 |
NL7807981A (en) | 1979-02-20 |
DK357578A (en) | 1979-02-17 |
JPS5432366A (en) | 1979-03-09 |
DE2736783A1 (en) | 1979-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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