GB1456091A - Apparatus responsive to the speed of rotation of a body - Google Patents
Apparatus responsive to the speed of rotation of a bodyInfo
- Publication number
- GB1456091A GB1456091A GB85474A GB85474A GB1456091A GB 1456091 A GB1456091 A GB 1456091A GB 85474 A GB85474 A GB 85474A GB 85474 A GB85474 A GB 85474A GB 1456091 A GB1456091 A GB 1456091A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ring
- jan
- permanent magnet
- sensor
- output signal
- 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
- 230000007423 decrease Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
Classifications
-
- 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)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
Abstract
1456091 Tachogenerators WABCO WESTINGHOUSE GmbH 8 Jan 1974 [9 Jan 1973] 00854/74 Heading G1N [Also in Division H2] In a tachogenerator arrangement, a ring 3 with a toothed portion 5 is mounted on a rotating body 4, and a sensor 9 is fixed so that an element 7 is disposed adjacent a part only of the periphery of the portion 5, and the element 7 and the portion 5 project one into the other, the sensor 9 being responsive to the proximity of the element 7 to a tooth of the portion 5 to produce an output signal in dependence upon the motion of the teeth of the portion 5 past the element 7. In the vehicle wheel system shown, the ring 3 is ferro-magnetic and the element 7 is constituted by one end of an oval shaped orientable permanent magnet 11 surrounded by a coil 12 in a casing 8. The system is initially adjusted so that a satisfactory output signal can be obtained when the air-gaps 32, 33 between the element 7 and portion 5 are equal. If thereafter a displacement in the radial direction occurs the signal remains at a satisfactory level because one of the two gaps decreases as the other increases. In the arrangement of Fig. 2 (not shown), a toothed portion (25) of a ring (23) projects into an element (27) in the form of a bifurcated end of a permanent magnet (31).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2300855 | 1973-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1456091A true GB1456091A (en) | 1976-11-17 |
Family
ID=5868578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB85474A Expired GB1456091A (en) | 1973-01-09 | 1974-01-08 | Apparatus responsive to the speed of rotation of a body |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS49104687A (en) |
| FR (1) | FR2324007A3 (en) |
| GB (1) | GB1456091A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2435790A1 (en) * | 1978-09-05 | 1980-04-04 | Coburn Orin | MAGNETIC SENSOR ASSEMBLY |
| EP0243314A1 (en) * | 1986-04-25 | 1987-10-28 | Vibro-Meter Sa | Apparatus for detecting mechanical magnitudes and for the transmission of the detected signal, and use of the apparatus |
| EP0341412A1 (en) * | 1988-05-10 | 1989-11-15 | Siemens Aktiengesellschaft | Position coded angle sensor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3559064A (en) * | 1968-04-25 | 1971-01-26 | Westinghouse Air Brake Co | Velocity indication device with zero speed detection capability |
-
1973
- 1973-11-21 JP JP13031273A patent/JPS49104687A/ja active Pending
-
1974
- 1974-01-08 GB GB85474A patent/GB1456091A/en not_active Expired
- 1974-01-09 FR FR7400721A patent/FR2324007A3/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2435790A1 (en) * | 1978-09-05 | 1980-04-04 | Coburn Orin | MAGNETIC SENSOR ASSEMBLY |
| EP0243314A1 (en) * | 1986-04-25 | 1987-10-28 | Vibro-Meter Sa | Apparatus for detecting mechanical magnitudes and for the transmission of the detected signal, and use of the apparatus |
| EP0341412A1 (en) * | 1988-05-10 | 1989-11-15 | Siemens Aktiengesellschaft | Position coded angle sensor |
| WO1989011079A1 (en) * | 1988-05-10 | 1989-11-16 | Siemens Aktiengesellschaft | Position-coded goniometer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS49104687A (en) | 1974-10-03 |
| FR2324007A3 (en) | 1977-04-08 |
| FR2324007B3 (en) | 1978-03-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19940107 |