Vehicle wheel rotation speed measuring system
US3949252A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1975 |
| Grant date | Apr 6, 1976 |
| Priority date | — |
| Expiry date | Mar 10, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2204/115
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
To permit ready assembly and disassembly, without problems of centricity of relative elements, the hub cap of a wheel includes a stub shaft on which a stator is retained in fixed position with respect to the axle, by spring engagement means, the hub cap rotating with respect to the stator and carrying a magnet pole rotor ring, the spring engagement means additionally providing electrical contact between an armature winding in inductive relationship to the rotor ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.