Volume expander and fluid machine

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 f...

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Bibliographische Detailangaben
1. Verfasser:	SAKITANI KATSUMI,MORIWAKI MICHIO,OKAMOTO MASAKAZU,KUMAKURA EIJI,OKAMOTO TETSUYA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS ENGINE PLANTS IN GENERAL HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MACHINES OR ENGINES IN GENERAL MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	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.