DRIVE APPARATUS FOR A CONSTRUCTION MACHINE AND CONSTRUCTION MACHINE COMPRISING SUCH A DRIVE APPARATUS

DRIVE APPARATUS FOR A CONSTRUCTION MACHINE AND CONSTRUCTION MACHINE COMPRISING SUCH A DRIVE APPARATUS

The present invention provides a drive apparatus which is compact in a height direction and a diametrical direction and with which a sufficient air breather function can be obtained, and a construction machine including the drive apparatus. The drive apparatus includes an electric motor 1 and a spee...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: TERAUCHI, Kenichi
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
DREDGING
ENGINEERING ELEMENTS AND UNITS
FIXED CONSTRUCTIONS
FOUNDATIONS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HYDRAULIC ENGINEERING
LIGHTING
MECHANICAL ENGINEERING
SOIL SHIFTING
THERMAL INSULATION IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:The present invention provides a drive apparatus which is compact in a height direction and a diametrical direction and with which a sufficient air breather function can be obtained, and a construction machine including the drive apparatus. The drive apparatus includes an electric motor 1 and a speed reducer 2. An interior of a motor housing 3 communicates with a speed reducer chamber 12 such that a flow of air between the speed reducer chamber 12 and the interior of the motor housing 3 is permitted while limiting inflow of lubricating oil O into the interior of the motor housing 3 from the speed reducer chamber 12. An air breather passage 23 and an air breather pipe 24 for opening the interior of the motor housing 3 to the atmosphere are provided in the motor housing 3.