SCREW COMPRESSOR

In a screw compressor (100), on a bearing (12) side relative to a discharge port (8) of a compression chamber (14) in a casing (2), an intermediate-pressure chamber (15) to which an intermediate-pressure coolant (15G) is supplied from outside of the casing (2) is provided in a high-pressure space (1...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MITSUI, Takao, MITSUNARI, Naoya, KANDA, Masahiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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Beschreibung
Zusammenfassung:	In a screw compressor (100), on a bearing (12) side relative to a discharge port (8) of a compression chamber (14) in a casing (2), an intermediate-pressure chamber (15) to which an intermediate-pressure coolant (15G) is supplied from outside of the casing (2) is provided in a high-pressure space (17) surrounded by an outer cylinder (2c) and an intermediate cylinder (2b) of the casing (2) and communicating with the discharge port (8), and the intermediate-pressure coolant (15G) has a temperature and a pressure that are lower than those of a coolant (17G) in the high-pressure space (17) and higher than a coolant (16G) in a low-pressure space (16) on a motor (4) side relative to the discharge port (8) in the casing (2). The intermediate-pressure chamber (15) and the low-pressure space (16) communicate with each other.