SCROLL COMPRESSOR AND REFRIGERATION DEVICE

A fixed oil groove (80) is provided on a facing surface of a fixed scroll (60) which faces a movable scroll (70). The fixed oil groove (80) has a fixed circumferential groove portion (81). A wide portion (84) of the fixed circumferential groove portion (81) is wider in a radial direction than a circ...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MORI, Akira, KATOU, Katsumi, NAKATANI, Eitarou, MURAKAMI, Yasuhiro, MATSUMOTO, Yuuki, MATSUKAWA, Kazuhiko
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:	A fixed oil groove (80) is provided on a facing surface of a fixed scroll (60) which faces a movable scroll (70). The fixed oil groove (80) has a fixed circumferential groove portion (81). A wide portion (84) of the fixed circumferential groove portion (81) is wider in a radial direction than a circular-arc portion of the fixed circumferential groove portion (81). The movable oil groove (85) is provided on the facing surface of the movable scroll (70) which faces the fixed scroll (60). In a predetermined region of an angle range where the movable scroll (70) makes an orbiting motion, a portion of a radial groove portion (87) of the movable oil groove (85) overlaps the wide portion (84) as viewed from the axial direction.