Engine starting and power generating system
US4817459A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 24, 1987 |
| Grant date | Apr 4, 1989 |
| Priority date | — |
| Expiry date | Dec 24, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19033
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Operational efficiency in a combined engine starting and power generating system including an engine 110 connected to a dynamoelectric machine 142 useable as a motor or as a generator via a differential 114 and utilizing variable and fixed displacement hydraulic units 146, 156 is increased by sizing the variable and fixed hydraulic units 146 and 156 for power generating operation and by providing an auxiliary fixed displacement hydraulic unit 162 for use only during an engine starting mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.