Screw expander

A screw expander includes a main body, at least an expansion screw and an adjusting component. The main body has a high pressure region, an expansion region and a low pressure region. The expansion screw is disposed at the expansion region and has an air inlet end and an air outlet end, wherein the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	LIU, YAOUNG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A screw expander includes a main body, at least an expansion screw and an adjusting component. The main body has a high pressure region, an expansion region and a low pressure region. The expansion screw is disposed at the expansion region and has an air inlet end and an air outlet end, wherein the air inlet end is connected to the high pressure region, and the air outlet end is connected to the low pressure region. The adjusting component covers the expansion screw, and is adapted to move relatively to the expansion screw to change an opening area of the air inlet end or an opening area of the air outlet end, such that a pressure of an air exhausted from the air outlet end is adjusted.