FR2396302A1 - Generateur tachymetrique, en particulier pour machines-outils avec dispositif de securite contre la surrotation - Google Patents

Generateur tachymetrique, en particulier pour machines-outils avec dispositif de securite contre la surrotation

Info

Publication number
FR2396302A1
FR2396302A1 FR7818419A FR7818419A FR2396302A1 FR 2396302 A1 FR2396302 A1 FR 2396302A1 FR 7818419 A FR7818419 A FR 7818419A FR 7818419 A FR7818419 A FR 7818419A FR 2396302 A1 FR2396302 A1 FR 2396302A1
Authority
FR
France
Prior art keywords
safety device
device against
magnet
overrotation
tools
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.)
Granted
Application number
FR7818419A
Other languages
English (en)
French (fr)
Other versions
FR2396302B1 (forum.php
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2396302A1 publication Critical patent/FR2396302A1/fr
Application granted granted Critical
Publication of FR2396302B1 publication Critical patent/FR2396302B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/38—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/46—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring amplitude of generated current or voltage
    • G01P3/465—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring amplitude of generated current or voltage by using dynamo-electro tachometers or electric generator
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/488—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable reluctance detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
FR7818419A 1977-07-01 1978-06-20 Generateur tachymetrique, en particulier pour machines-outils avec dispositif de securite contre la surrotation Granted FR2396302A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2729740A DE2729740C3 (de) 1977-07-01 1977-07-01 Tachogenerator, insbesondere für Arbeitsmaschinen mit Überdrehsicherung

Publications (2)

Publication Number Publication Date
FR2396302A1 true FR2396302A1 (fr) 1979-01-26
FR2396302B1 FR2396302B1 (forum.php) 1984-08-24

Family

ID=6012894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7818419A Granted FR2396302A1 (fr) 1977-07-01 1978-06-20 Generateur tachymetrique, en particulier pour machines-outils avec dispositif de securite contre la surrotation

Country Status (9)

Country Link
US (1) US4209719A (forum.php)
JP (1) JPS5414284A (forum.php)
CH (1) CH623434A5 (forum.php)
DE (1) DE2729740C3 (forum.php)
FR (1) FR2396302A1 (forum.php)
GB (1) GB1594570A (forum.php)
IT (1) IT1096862B (forum.php)
NL (1) NL7807155A (forum.php)
SE (1) SE433028B (forum.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022222A1 (en) * 1979-06-28 1981-01-14 Black & Decker Inc. A portable power tool having an electric motor with a rotatable armature shaft, and a tachometric generator

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480203A (en) * 1982-12-30 1984-10-30 Tokyo Electric Co., Ltd. Stepping motor
GB2172444B (en) * 1985-03-09 1988-08-17 Asmo Co Ltd Stator for an electric motor
US4812695A (en) * 1986-08-15 1989-03-14 Marathon Electric Manufacturing Corporation Annular stator core construction

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2814745A (en) * 1955-10-31 1957-11-26 Hughes Aircraft Co High frequency alternator
US2816240A (en) * 1956-03-09 1957-12-10 American Mach & Foundry High speed composite electro-magnet and permanent magnet generator
DE1237822B (de) * 1965-09-07 1967-03-30 Robert Bosch Elektronik Drehzahlgebergenerator
US4007387A (en) * 1972-12-23 1977-02-08 Romuald Zdzislaw Rustecki Electrical synchronous machines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499326A (en) * 1950-02-28 Dynamo-electric machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2814745A (en) * 1955-10-31 1957-11-26 Hughes Aircraft Co High frequency alternator
US2816240A (en) * 1956-03-09 1957-12-10 American Mach & Foundry High speed composite electro-magnet and permanent magnet generator
DE1237822B (de) * 1965-09-07 1967-03-30 Robert Bosch Elektronik Drehzahlgebergenerator
US4007387A (en) * 1972-12-23 1977-02-08 Romuald Zdzislaw Rustecki Electrical synchronous machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022222A1 (en) * 1979-06-28 1981-01-14 Black & Decker Inc. A portable power tool having an electric motor with a rotatable armature shaft, and a tachometric generator
US4355251A (en) 1979-06-28 1982-10-19 Black & Decker Inc. Tachometric generator

Also Published As

Publication number Publication date
NL7807155A (nl) 1979-01-03
IT7825172A0 (it) 1978-06-30
SE7805997L (sv) 1979-01-02
FR2396302B1 (forum.php) 1984-08-24
SE433028B (sv) 1984-04-30
DE2729740C3 (de) 1981-06-25
JPS5414284A (en) 1979-02-02
GB1594570A (en) 1981-07-30
US4209719A (en) 1980-06-24
DE2729740A1 (de) 1979-01-04
CH623434A5 (forum.php) 1981-05-29
DE2729740B2 (de) 1980-10-30
IT1096862B (it) 1985-08-26

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Legal Events

Date Code Title Description
ST Notification of lapse