Transfer valve assembly providing variable valve lash
US5692462A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 6, 1996 |
| Grant date | Dec 2, 1997 |
| Priority date | — |
| Expiry date | Feb 6, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L3/22
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A valve assembly for use in a dual compression/dual expansion engine having an internal housing operating within an external housing, the valve assembly having a valve element operating in a valve guide secured to the internal housing with a valve spring provided to ensure proper closure of the valve element, and a valve train subassembly extending coaxially about the valve spring, the valve train subassembly operating slidingly in the external housing of engine in response to a valve actuation means, such that the valve element and the valve train subassembly operate independently when the valve actuation means is not actuating the valve element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.