Apex seal arrangement for rotary internal combustion engine
US10344870B2 · kind B2 · utility
0Cited by
52References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2011 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | Jan 8, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In one aspect, described is a rotor for a Wankel engine comprising two circumferentially spaced apart apex seals at each of the apex portions with each apex seal protruding axially from both end faces, and each apex seal having a first biasing member biasing the apex seal radially outwardly away from the peripheral face of the body, and a second biasing member biasing the apex seal axially outwardly away from a respective one of the end faces, the two apex seals of a same one of the apex portions being biased by the respective second biasing member in opposite axial directions from one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.