NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Rotary Stirling-Cycle Engine And GeneratorProposed electric-power generator comprises three motor generators coordinated by microprocessor and driven by rotary Stirling-cycle heat engine. Combination offers thermodynamic efficiency of Stirling cycle, relatively low vibration, and automatic adjustment of operating parameters to suit changing load on generator. Rotary Stirling cycle engine converts heat to power via compression and expansion of working gas between three pairs of rotary pistons on three concentric shafts in phased motion. Three motor/generators each connected to one of concentric shafts, can alternately move and be moved by pistons. Microprocessor coordinates their operation, including switching between motor and generator modes at appropriate times during each cycle.
Document ID
19900000297
Document Type
Other - NASA Tech Brief
Authors
Chandler, Joseph A. (NASA Lyndon B. Johnson Space Center, Houston, TX.)
Date Acquired
August 14, 2013
Publication Date
June 1, 1990
Publication Information
Publication: NASA Tech Briefs
Volume: 14
Issue: 6
ISSN: 0145-319X
Subject Category
MACHINERY
Report/Patent Number
MSC-21530
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.