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Patent Searching and Data


Title:
BATTERY PACK AND PROPULSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/151242
Kind Code:
A1
Abstract:
This battery pack (30) is provided with a front casing (31) and a plurality of battery modules. Each battery module is provided with a cylindrical battery group (42) and a connection member (46). With respect to the cylindrical battery group (42), a plurality of cylindrical batteries (42a), each of which is provided with terminals at both ends in the axial direction, are aligned in a direction that is perpendicular to the axial direction so that a first space (43) is formed between the cylindrical batteries and the inner wall of the front casing (31) when viewed from the axial direction. The connection member (46) is fitted to both ends of the cylindrical battery group (42) in the axial direction so as to connect the terminals of the cylindrical batteries (42a), and is partially positioned in the first space (43) when viewed from the axial direction. The battery modules are aligned in the axial direction; and the connection members (46) of adjacent battery modules are affixed to each other at portions that are positioned in the first space (43).

Inventors:
AOKI, Hideaki (1-32, Chayamachi, Kita-k, Osaka-shi Osaka 11, 〒5308311, JP)
OKAMATSU, Taro (1-32, Chayamachi, Kita-k, Osaka-shi Osaka 11, 〒5308311, JP)
Application Number:
JP2019/002956
Publication Date:
August 08, 2019
Filing Date:
January 29, 2019
Export Citation:
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Assignee:
YANMAR CO., LTD. (1-32, Chayamachi Kita-ku, Osaka-sh, Osaka 11, 〒5308311, JP)
International Classes:
H01M2/10; B63B35/79; B63H21/17; H01M2/20
Attorney, Agent or Firm:
KATSURAGAWA, Naoki (KATSURAGAWA INT'L PATENT OFFICE Wako Bldg, 2-2-17 Shibata, Kita-ku, Osaka-sh, Osaka 12, 〒5300012, JP)
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