IT8121042A0 - ELECTRONIC CIRCUIT TO REGULATE THE NUMBER OF RPM OF FANS IN STEAM EXTRACTION HOODS. - Google Patents
ELECTRONIC CIRCUIT TO REGULATE THE NUMBER OF RPM OF FANS IN STEAM EXTRACTION HOODS.Info
- Publication number
- IT8121042A0 IT8121042A0 IT8121042A IT2104281A IT8121042A0 IT 8121042 A0 IT8121042 A0 IT 8121042A0 IT 8121042 A IT8121042 A IT 8121042A IT 2104281 A IT2104281 A IT 2104281A IT 8121042 A0 IT8121042 A0 IT 8121042A0
- Authority
- IT
- Italy
- Prior art keywords
- fans
- rpm
- regulate
- electronic circuit
- steam extraction
- Prior art date
Links
- 238000000605 extraction Methods 0.000 title 1
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/04—Single phase motors, e.g. capacitor motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Control Of Direct Current Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803014946 DE3014946A1 (en) | 1980-04-18 | 1980-04-18 | Extractor hood fan motor control circuit - uses variable resistance to control transistor circuit across diode rectifier bridge in motor supply |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8121042A0 true IT8121042A0 (en) | 1981-04-10 |
IT1137330B IT1137330B (en) | 1986-09-10 |
Family
ID=6100384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21042/81A IT1137330B (en) | 1980-04-18 | 1981-04-10 | ELECTRONIC CIRCUIT TO REGULATE THE NUMBER OF LAPS OF FANS IN VAPOR EXHAUST HOODS |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3014946A1 (en) |
IT (1) | IT1137330B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3207262C2 (en) * | 1982-03-01 | 1991-02-14 | Robert Seuffer GmbH & Co, 7260 Calw | Speed control circuit for an electric motor fed from an AC voltage source, in particular a fan motor |
DE3219057C1 (en) * | 1982-05-21 | 1983-11-17 | Siegenia-Frank Kg, 5900 Siegen | Circuit arrangement for changing the rotation speed of a single-phase AC motor |
DE3300452A1 (en) * | 1983-01-08 | 1984-07-12 | Heinrich C. Kosmeier GmbH, 4300 Essen | Circuit arrangement for controlling an alternating current |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1148318B (en) * | 1961-09-08 | 1963-05-09 | Braun Ag | Air-cooled, speed-controlled electric motor with series resistor |
DE1905624C3 (en) * | 1969-02-05 | 1978-07-13 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Dental drill handpiece |
US3646439A (en) * | 1970-07-21 | 1972-02-29 | Gen Electric | Regulator with optical feedback arrangement wherein both input and output voltage are sensed |
CH519824A (en) * | 1970-09-17 | 1972-02-29 | Holzer Patent Ag | Device in a program switching device for controlling an electric motor connected to an alternating current network |
HU168505B (en) * | 1974-04-19 | 1976-05-28 |
-
1980
- 1980-04-18 DE DE19803014946 patent/DE3014946A1/en not_active Withdrawn
-
1981
- 1981-04-10 IT IT21042/81A patent/IT1137330B/en active
Also Published As
Publication number | Publication date |
---|---|
IT1137330B (en) | 1986-09-10 |
DE3014946A1 (en) | 1981-10-22 |
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