Hydraulic pressure transducer with electrical output
US4184377A · kind A · utility
36Cited by
3References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 14, 1978 |
| Grant date | Jan 22, 1980 |
| Priority date | — |
| Expiry date | Aug 14, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2127/12
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic transducer of the Bourdon tube type, in which the amount of light transmitted by a light emitting diode to a photoresistor is controlled by a shutter. The device provides an enclosed and compact transducing unit which has particular application with tractor/trailer braking systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.