Hydraulic distributor, particularly for a power-assisted steering system for a vehicle
US4765369A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 27, 1987 |
| Grant date | Aug 23, 1988 |
| Priority date | — |
| Expiry date | May 27, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86638
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The hydraulic distributor, of the type comprising, in each of two parallel circuits (.alpha., .alpha.'), between a pressure source (S) and a tank (R), two modulable restrictions in series (A, B; A', B'), comprises in addition, in each circuit (.alpha., .alpha.'), a first (C; C') and a second (D; D') fixed restriction adapted to be put into operation alternately in synchronism with the modulable restrictions downstream of each of the latter, the fixed restriction put into operation being the one directly downstream of the modulable restriction operated in its closing direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.