Rotary expansible chamber devices – Diverse rotary expansible chamber devices
Reexamination Certificate
2003-12-03
2008-09-02
Trieu, Theresa (Department: 3748)
Rotary expansible chamber devices
Diverse rotary expansible chamber devices
C418S015000, C418S058000, C418S060000, C418S065000
Reexamination Certificate
active
07419369
ABSTRACT:
Disclosed is a displacement type expansion machine. In the displacement type expansion machine, a communicating passage (72) for allowing fluid communication between an expansion-process intermediate position and an outflow position in an expansion chamber (62) is provided thereby to allow the fluid at the outflow side to return to the expansion chamber (62). Such arrangement prevents the pressure of the expansion chamber (62) from being lowered to an excessive extent in predetermined operating conditions, thereby avoiding the drop in power recovery efficiency.
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Kumakura Eiji
Moriwaki Michio
Okamoto Masakazu
Okamoto Tetsuya
Sakitani Katsumi
Birch & Stewart Kolasch & Birch, LLP
Daikin Industries Ltd.
Trieu Theresa
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