AT381811B - Schaltungsanordnung zum schutz eines antriebsmotors vor ueberlastung, insbesondere fuer ein zahnaerztliches arbeitsgeraet - Google Patents

Schaltungsanordnung zum schutz eines antriebsmotors vor ueberlastung, insbesondere fuer ein zahnaerztliches arbeitsgeraet

Info

Publication number
AT381811B
AT381811B AT0649379A AT649379A AT381811B AT 381811 B AT381811 B AT 381811B AT 0649379 A AT0649379 A AT 0649379A AT 649379 A AT649379 A AT 649379A AT 381811 B AT381811 B AT 381811B
Authority
AT
Austria
Prior art keywords
overload
protecting
drive motor
circuit arrangement
working machine
Prior art date
Application number
AT0649379A
Other languages
English (en)
Other versions
ATA649379A (de
Original Assignee
Kaltenbach & Voigt
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 Kaltenbach & Voigt filed Critical Kaltenbach & Voigt
Publication of ATA649379A publication Critical patent/ATA649379A/de
Application granted granted Critical
Publication of AT381811B publication Critical patent/AT381811B/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/0007—Control devices or systems
    • A61C1/0015—Electrical systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
    • A61C1/06—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with electric drive
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
    • 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
    • H02H7/085—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 against excessive load
AT0649379A 1978-11-03 1979-10-04 Schaltungsanordnung zum schutz eines antriebsmotors vor ueberlastung, insbesondere fuer ein zahnaerztliches arbeitsgeraet AT381811B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2847765A DE2847765C2 (de) 1978-11-03 1978-11-03 Schaltungsanordnung zum Schutz eines Antriebsmotors vor Überlastung, insbesondere für ein zahnärztliches Arbeitsgerät

Publications (2)

Publication Number Publication Date
ATA649379A ATA649379A (de) 1986-04-15
AT381811B true AT381811B (de) 1986-12-10

Family

ID=6053814

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0649379A AT381811B (de) 1978-11-03 1979-10-04 Schaltungsanordnung zum schutz eines antriebsmotors vor ueberlastung, insbesondere fuer ein zahnaerztliches arbeitsgeraet

Country Status (6)

Country Link
JP (1) JPS5566228A (de)
AT (1) AT381811B (de)
CH (1) CH649178A5 (de)
DE (1) DE2847765C2 (de)
FR (1) FR2440638A1 (de)
IT (1) IT1119562B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3042138A1 (de) * 1980-11-03 1982-05-27 Mannesmann AG, 4000 Düsseldorf Schutzschaltungs-vorrichtung fuer einen gleichstrommotor, insbesondere fuer einen drucker-aufwickel-gleichstrommotor
JPS57113726A (en) * 1980-12-29 1982-07-15 Matsushita Electric Ind Co Ltd Overcurrent breaking device for miniature dc motor
DE3128410A1 (de) * 1981-07-17 1983-02-03 Hilti AG, 9494 Schaan Bewertungsschaltung fuer ein elektrisches drehmomentsignal an einer bohrmaschine
KR860000144B1 (ko) * 1981-11-20 1986-02-27 도시오 미끼야 전자(電磁)베이스를 갖춘 드릴링 머어신
FR2542937B1 (fr) * 1983-03-15 1985-12-06 Black & Decker Inc Dispositif d'alimentation electrique du moteur d'une machine electro-portative assurant la protection contre le couple de reaction produit par celle-ci
DE3519472A1 (de) * 1984-07-03 1986-01-16 Keiper Recaro GmbH & Co, 5630 Remscheid Schutzschaltung
DE3513179C2 (de) * 1985-04-12 2001-03-15 Papst Licensing Gmbh & Co Kg Schutzschaltung für kollektorlose Gleichstrommotoren
DE19705925B4 (de) * 1997-02-17 2005-11-03 Robert Bosch Gmbh Steuervorrichtung zum Betreiben eines Wischermotors

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE689100C (de) * 1937-10-23 1940-03-11 Karl Schneider Motorueberlastungsschutzeinrichtung
DE1588032A1 (de) * 1966-03-18 1970-06-25 Biviator Sa Elektrische Begrenzungsschaltung
DE2258174C3 (de) * 1972-11-28 1979-04-05 Hartmann & Braun Ag, 6000 Frankfurt Schaltungsanordnung zur Überwachung der Erwärmung von stromdurchflossenen Schützlingen
US3956670A (en) * 1973-01-30 1976-05-11 Westinghouse Electric Corporation Circuit interrupter circuit including improved control
JPS50144061A (en) * 1974-05-10 1975-11-19 Meidensha Corporation Motor overload protection system for electric cars
DE2431540C2 (de) * 1974-07-01 1984-09-13 Brown, Boveri & Cie Ag, 6800 Mannheim Schaltungsanordnung zum Schutz einer elektrischen Maschine gegen zu hohe Erwärmung mit einer Simulationseinrichtung
JPS5286134A (en) * 1976-01-14 1977-07-18 Toshiba Corp Overload protector for motor
DE2622656C2 (de) * 1976-05-20 1982-09-09 Kaltenbach & Voigt Gmbh & Co, 7950 Biberach Schaltungsanordnung zum Regeln der Drehzahl eines Gleichstrommotors, insbesondere für zahnärztliche Handgeräte

Also Published As

Publication number Publication date
IT7969140A0 (it) 1979-11-02
DE2847765C2 (de) 1984-02-16
JPS5566228A (en) 1980-05-19
CH649178A5 (en) 1985-04-30
ATA649379A (de) 1986-04-15
DE2847765A1 (de) 1980-05-08
IT1119562B (it) 1986-03-10
FR2440638B1 (de) 1984-02-24
FR2440638A1 (fr) 1980-05-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee