Displacer piston assembly
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United States of America Patent
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Jan 11, 2011
Grant Date -
Nov 20, 2008
app pub date -
Apr 26, 2006
filing date -
Apr 26, 2005
priority date (Note) -
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status (Latency Note)
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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.
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