Control apparatus for hot gas engine
US4601171A · kind A · utility
6Cited by
3References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 5, 1985 |
| Grant date | Jul 22, 1986 |
| Priority date | — |
| Expiry date | Aug 5, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02G2253/03
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A mean pressure power control system for a hot gas (Stirling) engine utilizing a plurality of supply tanks for storing a working gas at different pressures. During pump down operations gas is bled from the engine by a compressor having a plurality of independent pumping volumes. In one embodiment of the invention, a bypass control valve system allows one or more of the compressor volumes to be connected to the storage tanks. By selectively sequencing the bypass valves, a capacity range can be developed over the compressor that allows for lower engine idle pressures and more rapid pump down rates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.