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Patent Searching and Data


Title:
ELECTRIC MOTOR, ROTARY DRIVE SYSTEM, AND HYDRAULIC SHOVEL
Document Type and Number:
WIPO Patent Application WO/2019/167459
Kind Code:
A1
Abstract:
Provided is an electric motor that comprises: a rotor comprising a rotating shaft (40) that rotates around an axis (O) extending vertically, and a rotor core fixed to the outer circumferential surface of the rotating shaft (40); a stator surrounding the rotor core from the outer circumferential side; a lower base section (27) in which the rotor and the stator are arranged and that serves as a partition for demarcating a first space to which lubricating oil is supplied from the exterior; a storage section (180) capable of storing lubricating oil supplied into the first space (R1); a brake mechanism (120) serving as a drive section for discharging lubricating oil from within the storage section (180) into the first space (R1); and sliding sections into each of which lubricating oil discharged from within the storage section (180) is introduced.

Inventors:
MINAMIURA Akira (2-3-6 Akasaka, Minato-k, Tokyo 14, 〒1078414, JP)
CHIBA Teiichirou (2-3-6 Akasaka, Minato-k, Tokyo 14, 〒1078414, JP)
Application Number:
JP2019/001251
Publication Date:
September 06, 2019
Filing Date:
January 17, 2019
Export Citation:
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Assignee:
KOMATSU LTD. (2-3-6, Akasaka Minato-k, Tokyo 14, 〒1078414, JP)
International Classes:
H02K7/116; E02F9/12; E02F9/20; F16H57/04; F16N9/02; H02K7/102; H02K7/14
Foreign References:
JP2017200333A2017-11-02
JP2013228055A2013-11-07
JP2011021405A2011-02-03
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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