Apparatus for adjustably controlling valve movement and fuel injection
US5237968A · kind A · utility
43Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1992 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Nov 4, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02F2001/247
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An apparatus adjustably controls intake and exhaust valve movement and fuel injection of an engine. Valve movement and injection is adjustably controlled in response to electrical signals delivered to a piezoelectric motor which in turn delivers hydraulic signals through a single spool valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.