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 surrotationInfo
- 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
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)
- Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 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)
Cited By (1)
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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2499326A (en) * | 1950-02-28 | Dynamo-electric machine |
-
1977
- 1977-07-01 DE DE2729740A patent/DE2729740C3/de not_active Expired
-
1978
- 1978-03-08 CH CH251578A patent/CH623434A5/de not_active IP Right Cessation
- 1978-05-25 SE SE7805997A patent/SE433028B/sv unknown
- 1978-05-31 GB GB15741/78A patent/GB1594570A/en not_active Expired
- 1978-06-20 FR FR7818419A patent/FR2396302A1/fr active Granted
- 1978-06-23 US US05/918,403 patent/US4209719A/en not_active Expired - Lifetime
- 1978-06-30 JP JP7968878A patent/JPS5414284A/ja active Pending
- 1978-06-30 NL NL7807155A patent/NL7807155A/xx not_active Application Discontinuation
- 1978-06-30 IT IT25172/78A patent/IT1096862B/it active
Patent Citations (4)
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)
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 |
---|---|
DE2729740A1 (de) | 1979-01-04 |
SE433028B (sv) | 1984-04-30 |
CH623434A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-05-29 |
JPS5414284A (en) | 1979-02-02 |
IT1096862B (it) | 1985-08-26 |
IT7825172A0 (it) | 1978-06-30 |
FR2396302B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-08-24 |
GB1594570A (en) | 1981-07-30 |
DE2729740C3 (de) | 1981-06-25 |
NL7807155A (nl) | 1979-01-03 |
SE7805997L (sv) | 1979-01-02 |
US4209719A (en) | 1980-06-24 |
DE2729740B2 (de) | 1980-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |