Burns, Doane, Swecker & Mathis
Stirling engine
 A stirling engine is provided in which the heater comprises an extended part of the expansion chamber as defined by an expansion cylinder. The expansion cylinder extends from the expansion chamber toward an upper side of the engine. A hollow cylindrical member receives the extended part of the expansion cylinder. The arrangement permits a stirling engine to be provided which decreases the number of parts utilized in the heater section while at the same time increasing the heat transfer area of the heater. 
Aisin Seiki Kabushiki Kaisha
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Tomokimi Kouzi Yutaka Tetsumi
Mizuno Hiraiwa Momose Watanabe