Internal combustion engine with variable camshaft timing and variable duration exhaust event
US5960755A · kind A · utility
44Cited by
47References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1998 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | Jun 9, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2820/031
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A reciprocating four-stroke internal combustion engine includes a variable exhaust valve operating system for changing the duration of an exhaust valve opening event and also a camshaft drive for rotating a valve operating camshaft and adjusting the rotational timing of the camshaft with respect to the crankshaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.