SPEED REDUCER, ROTARY DRIVE SYSTEM, AND HYDRAULIC SHOVEL

A speed reducer includes a transmission unit rotating around an axis, an annular member having a cylindrical shape surrounding the axis, rotating around the axis together with the transmission unit, and having an oil sump having a recessed groove recessed in an inner peripheral surface and a lubrica...

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Bibliographische Detailangaben
Hauptverfasser:	Minamiura, Akira, Ishiyama, Masahiko, Iwamoto, Naoyuki, Chiba, Teiichirou
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION DREDGING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FOUNDATIONS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULIC ENGINEERING LIGHTING LUBRICATING MECHANICAL ENGINEERING SOIL SHIFTING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A speed reducer includes a transmission unit rotating around an axis, an annular member having a cylindrical shape surrounding the axis, rotating around the axis together with the transmission unit, and having an oil sump having a recessed groove recessed in an inner peripheral surface and a lubricating oil supply hole extending and opening radially outward from the recessed groove, and a sliding portion provided radially outward of the lubricating oil supply hole of the annular member.