Device for measuring the position of a push rod of a pneumatic booster
US5226312A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1991 |
| Grant date | Jul 13, 1993 |
| Priority date | — |
| Expiry date | Dec 13, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B7/001
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention relates to a device for measuring the position of a push rod (30) of a pneumatic booster consisting of a housing (10) divided into a front chamber (20) and a rear chamber (22) by way of a moveable wall (18) returned to its rest position by a restoring spring (34), the booster actuating a piston (84) of a master cylinder (86) by means of the push rod (30), the measuring device comprising a first part (40) stationary relative to the housing (10) of the booster and a moveable second part (60), the first part (40) and second part (60) carrying electrical contacts (46, 46', 48, 48', 84; 76, 78). According to the invention, the first part (40) and second part (60) are cylindrical and coaxial, and they are arranged round the push rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.