Abstract: A split displacer piston assembly (1) in conjunction with a Stirling engine is disclosed. Said assembly comprises of two main parts, displacer dome (8) and displacer base (9). Within the displacer dome there are several heat shields (10). The displacer base has a piston ring assembly (12) installed in an outer perimeter groove and fixed between the displacer base and displacer dome is a displacer guide ring (11). In order to service and or replace these parts rapidly, the displacer dome and displacer base are fastened by threaded engagement.
Type:
Grant
Filed:
April 26, 2006
Date of Patent:
January 11, 2011
Assignee:
Somemore Limited
Inventors:
Per D. Sollie, Lars Kjosbakken, Sven Erik Fossum, Eldar Onsøyen, Sverre Johansen