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
Application number
IT8121042A
Other languages
Italian (it)
Other versions
IT1137330B (en
Inventor
Helmut Plener
Original Assignee
Robert Seuffer Gmbh & Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Seuffer Gmbh & Co filed Critical Robert Seuffer Gmbh & Co
Publication of IT8121042A0 publication Critical patent/IT8121042A0/en
Application granted granted Critical
Publication of IT1137330B publication Critical patent/IT1137330B/en

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02Arrangements 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
    • H02P25/04Single 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)
IT21042/81A 1980-04-18 1981-04-10 ELECTRONIC CIRCUIT TO REGULATE THE NUMBER OF LAPS OF FANS IN VAPOR EXHAUST HOODS IT1137330B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
IT1137330B (en) 1986-09-10
DE3014946A1 (en) 1981-10-22

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