GB1594570A - Tachometer generator especially for working machines provided with overspeed protection - Google Patents
Tachometer generator especially for working machines provided with overspeed protection Download PDFInfo
- Publication number
- GB1594570A GB1594570A GB15741/78A GB1574178A GB1594570A GB 1594570 A GB1594570 A GB 1594570A GB 15741/78 A GB15741/78 A GB 15741/78A GB 1574178 A GB1574178 A GB 1574178A GB 1594570 A GB1594570 A GB 1594570A
- Authority
- GB
- United Kingdom
- Prior art keywords
- soft
- magnets
- frame
- iron
- coils
- 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.)
- Expired
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 29
- 229910052742 iron Inorganic materials 0.000 claims description 17
- 230000005291 magnetic effect Effects 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 230000004907 flux Effects 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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)
- 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)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (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 (1)
| Publication Number | Publication Date |
|---|---|
| GB1594570A true GB1594570A (en) | 1981-07-30 |
Family
ID=6012894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15741/78A Expired GB1594570A (en) | 1977-07-01 | 1978-05-31 | Tachometer generator especially for working machines provided with overspeed protection |
Country Status (9)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1163681B (it) | 1979-06-28 | 1987-04-08 | Star Utensili Elett | Generatrice tachimetrica |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2499326A (en) * | 1950-02-28 | Dynamo-electric machine | ||
| 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 |
| FR2211786B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-12-23 | 1978-11-10 | Eda Overseas Ltd |
-
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
Also Published As
| Publication number | Publication date |
|---|---|
| IT7825172A0 (it) | 1978-06-30 |
| CH623434A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-05-29 |
| NL7807155A (nl) | 1979-01-03 |
| FR2396302B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-08-24 |
| DE2729740C3 (de) | 1981-06-25 |
| DE2729740B2 (de) | 1980-10-30 |
| IT1096862B (it) | 1985-08-26 |
| US4209719A (en) | 1980-06-24 |
| SE433028B (sv) | 1984-04-30 |
| SE7805997L (sv) | 1979-01-02 |
| DE2729740A1 (de) | 1979-01-04 |
| JPS5414284A (en) | 1979-02-02 |
| FR2396302A1 (fr) | 1979-01-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 746 | Register noted 'licences of right' (sect. 46/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |