Title:
ショベル
Document Type and Number:
Japanese Patent JP6869781
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a shovel that can further prevent a radiation noise radiated from a housing of an electric drive part regardless of the mounting mode of the electric drive part and a revolving frame.SOLUTION: The shovel comprises an inverter 18 and a step-up/down converter 100 that are mounted on a revolving frame 3a of a revolving superstructure 3 and that include housings 18c, 100c having conductivity respectively, and a conductive wire 55, one end of which is attached to the housings 18c, 100c or a capacitor cover 60 conductively connected to the housings 18c, 100c, and another end of which is attached to the revolving frame 3a so as to connect the housings 18c, 100c or the capacitor cover 60, and, the revolving frame 3a.SELECTED DRAWING: Figure 3
Inventors:
Bentwood Hideto
Ryota Kurosawa
Umeda Setsu
Ryota Kurosawa
Umeda Setsu
Application Number:
JP2017072830A
Publication Date:
May 12, 2021
Filing Date:
March 31, 2017
Export Citation:
Assignee:
Sumitomo Construction Machinery Co., Ltd.
International Classes:
E02F9/00
Domestic Patent References:
| JP2016053278A | ||||
| JP2014084643A | ||||
| JP2004200131A | ||||
| JP2007203194A | ||||
| JP2010057278A | ||||
| JP63038273U | ||||
| JP2006080215A |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito