Solenoid operated hydraulic control valve
US5106053A · kind A · utility
28Cited by
8References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1990 |
| Grant date | Apr 21, 1992 |
| Priority date | — |
| Expiry date | Nov 9, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2500/106
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A solenoid operated hydraulic control valve system including a solenoid operated valve having a specially ported spool valve to statically balance spool forces in the opened and closed positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.