SCROLL COMPRESSOR

An injection port (27) communicating with a compression chamber (25) in the course of compression is formed in a fixed scroll (30). Refrigeration oil separated from a refrigerant discharged from a scroll compressor (10) flows from the injection port (27) to the compression chamber (25) together with...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAMURA, Souichi, JOUMURA, Shuuichi, NAGAHARA, Kenji, KITAURA, Hiroshi
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:	An injection port (27) communicating with a compression chamber (25) in the course of compression is formed in a fixed scroll (30). Refrigeration oil separated from a refrigerant discharged from a scroll compressor (10) flows from the injection port (27) to the compression chamber (25) together with an intermediate pressure gaseous refrigerant. Each of bottom lands (31a, 41a) of the fixed scroll (30) and an orbiting scroll (40) has an intermediate bottom region (36, 46) facing the compression chamber (25) communicating with the injection port (27), and a suction side bottom region (35, 45) closer to an outer end of the lap (32, 42) than the intermediate bottom region (36, 46) is. A clearance between the bottom land (31a, 41a) and the end face (42a, 32a) of the lap (42, 32) is larger at the suction side bottom region (35, 45) than at the intermediate bottom region (36, 46).