GB1241095A - Electrical rotational speed sensor - Google Patents
Electrical rotational speed sensorInfo
- Publication number
- GB1241095A GB1241095A GB1204869A GB1204869A GB1241095A GB 1241095 A GB1241095 A GB 1241095A GB 1204869 A GB1204869 A GB 1204869A GB 1204869 A GB1204869 A GB 1204869A GB 1241095 A GB1241095 A GB 1241095A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rotor
- drive ring
- bearing surface
- stator
- bobbin
- 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
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
Abstract
1,241,095. Dynamo-electric machines. KELSEY-HAYES CO. 6 March, 1969 [1 July, 1968], No. 12048/69. Heading H2A. The annular, toothed rotor 46 of a tachogenerator is supported on a shaft 14 by a drive ring 58 and engages a bearing surface on the stator 20, the connection between the rotor and drive ring permitting relative movement between the rotor and stator without altering substantially the air gap 54. In Fig. 1, the drive ring has axial teeth 60 engaging slots 52 in the rotor and the bearing surface is provided by the end face of a bobbin 38 of P.T.F.E. carrying a sensing coil 36. The stator permanent magnet 32 holds the rotor against the bearing surface on which it is located by an annular projection 42 engaging a recess 44 in the rotor. In a modification, the projection and recess, and the sliding engagement of the rotor and bobbin, are replaced by a ball bearing assembly (70), Fig. 3 (not shown). In a further arrangement, the drive ring 58 comprises a toothed resilient ring (80), Fig. 5 (not shown), similar to that shown in Specification 1,188,486.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74173568A | 1968-07-01 | 1968-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1241095A true GB1241095A (en) | 1971-07-28 |
Family
ID=24981959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1204869A Expired GB1241095A (en) | 1968-07-01 | 1969-03-06 | Electrical rotational speed sensor |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA947839A (en) |
| DE (1) | DE1911488B2 (en) |
| FR (1) | FR1604318A (en) |
| GB (1) | GB1241095A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7908914B2 (en) | 2006-05-19 | 2011-03-22 | Zf Friedrichshafen Ag | Determination of the rotational speed of a transmission shaft |
| US8050832B2 (en) | 2006-05-19 | 2011-11-01 | Zf Friedrichshafen Ag | Method for determining the rotational speed of the main shaft of a transmission, and transmission comprising a device for detecting rotational speed |
| CN111721333A (en) * | 2019-03-20 | 2020-09-29 | 莱纳林德有限公司 | Self-adaptive installation rotary encoder |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2111499B2 (en) * | 1971-03-10 | 1973-09-06 | ELECTRIC SPEED SENSOR | |
| US3949841A (en) * | 1975-05-07 | 1976-04-13 | Rockwell International Corporation | Wheel speed sensor for drive axle |
| CH680328B5 (en) * | 1990-12-04 | 1993-02-15 | Ebauchesfabrik Eta Ag | |
| DE4320939A1 (en) * | 1993-06-24 | 1995-01-05 | Freudenberg Carl Fa | poetry |
| DE102006023553A1 (en) * | 2006-05-19 | 2007-11-22 | Zf Friedrichshafen Ag | Transmission with a Drehzahlabgriffseinrichtung |
-
1968
- 1968-12-30 FR FR1604318D patent/FR1604318A/fr not_active Expired
-
1969
- 1969-01-22 CA CA040,833A patent/CA947839A/en not_active Expired
- 1969-03-06 DE DE19691911488 patent/DE1911488B2/en active Pending
- 1969-03-06 GB GB1204869A patent/GB1241095A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7908914B2 (en) | 2006-05-19 | 2011-03-22 | Zf Friedrichshafen Ag | Determination of the rotational speed of a transmission shaft |
| US8050832B2 (en) | 2006-05-19 | 2011-11-01 | Zf Friedrichshafen Ag | Method for determining the rotational speed of the main shaft of a transmission, and transmission comprising a device for detecting rotational speed |
| CN111721333A (en) * | 2019-03-20 | 2020-09-29 | 莱纳林德有限公司 | Self-adaptive installation rotary encoder |
Also Published As
| Publication number | Publication date |
|---|---|
| CA947839A (en) | 1974-05-21 |
| DE1911488A1 (en) | 1970-02-19 |
| DE1911488B2 (en) | 1971-11-18 |
| FR1604318A (en) | 1971-10-11 |
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