Lean-burn internal combustion gas engine
US5230321A · kind A · utility
7Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1992 |
| Grant date | Jul 27, 1993 |
| Priority date | — |
| Expiry date | Jul 21, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A small bore internal combustion engine our-stroke operating cycle which is adapted to function with natural gas and other gaseous fuels and which is particularly useful with residential heat pump assemblies with maximum life expectancy, high thermal efficiency, and low exhaust gas emissions, wherein provision is made for assembling the engine in a compact heat pump system with a low operating noise level and an extended engine maintenance interval.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.