Rotating speed detecting device of a rotary type electrostatic spray painting device
US4361288A · kind A · utility
11Cited by
13References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1980 |
| Grant date | Nov 30, 1982 |
| Priority date | — |
| Expiry date | Sep 17, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01P3/487
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotating speed detecting device of a rotary type electrostatic spray painting device comprising an annular permanent magnet fixed onto the rotary shaft of the spray painting device, and a detecting head mounted on the housing of the spray painting device. The detecting head has an induction coil enclosed by electrically insulating material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.