Engine valve hydraulic actuator high speed solenoid control valve
US5509637A · kind A · utility
6Cited by
8References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 12, 1994 |
| Grant date | Apr 23, 1996 |
| Priority date | — |
| Expiry date | Oct 12, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86622
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A control solenoid for an engine valve hydraulic actuator having an electrical coil wound around a coil ring extending from a solenoid housing to magnetically interact with a spool ring attached to a spool valve thereby causing the spool valve to be axially displaced against a restoring force generated by a return spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.