Patents Represented by Law Firm Wood, Datlon, Phillips, Mason & Rowe
  • Engine starting and power generating system
    Patent number: 4817459
    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.
    Type: Grant
    Filed: December 24, 1987
    Date of Patent: April 4, 1989
    Assignee: Sundstrand Corporation
    Inventors: Evans W. Erikson, Richard W. Reynolds, Daniel M. Ryan