Title:
MECHANICAL FUSE INSTALLATION SYSTEM AND MECHANICAL FUSE
Document Type and Number:
WIPO Patent Application WO/2012/093484
Kind Code:
A1
Abstract:
In an electric automobile (1), a battery unit (2) is reliably protected from large deformation during a collision. When a frame (15) plastically deforms by a large amount, a large shearing force acts on a mechanical fuse (8) and a shear fracture occurs in a layered surface (23) (a rupture direction control function (23)). In a front-side mechanical fuse (8f), a rupture direction control function (23f) works so as to push the battery unit (2) forward and downward. In a rear-side mechanical fuse (8r), a rupture direction control function (23r) works so as to push the battery unit (2) rearward and downward. As a result, a force acts so as to push the battery unit (2) downward. The battery unit (2) thereby reliably detaches from a vehicle body (1). During normal travel, the mechanical fuse (8) maintains a stable connected state.
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Inventors:
AOYAMA Hiroshi (HITACHI LTD., 832-2, Horiguchi, Hitachinaka-sh, Ibaraki 34, 〒3120034, JP)
Application Number:
JP2011/050119
Publication Date:
July 12, 2012
Filing Date:
January 06, 2011
Export Citation:
Assignee:
HITACHI, LTD. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 〒1008280, JP)
株式会社日立製作所 (〒80 東京都千代田区丸の内一丁目６番６号 Tokyo, 〒1008280, JP)
株式会社日立製作所 (〒80 東京都千代田区丸の内一丁目６番６号 Tokyo, 〒1008280, JP)
International Classes:
B60K1/04; B25J17/02; B32B5/28
Attorney, Agent or Firm:
KASUGA Yuzuru (Torii-nihonbashi Bldg, 4-1 Nihonbashi-honcho 3-chome, Chuo-k, Tokyo 23, 〒1030023, JP)
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Claims: