Impact absorbing outer body structure of a motor vehicle

Details Impact absorbing outer body structure of a motor vehicle Impact absorbing outer body structure of a motor vehicle

1997-04-21

1999-08-10

Pape, Joseph D.

Land vehicles: bodies and tops

Bodies

Body shell

296189, 296191, 2961466, 29620303, B60J 700

Patent

active

059347430

ABSTRACT:
An impact absorbing outer body structure of a motor vehicle including an outer panel with a deformable impact region. For the protection of a person or object making impact on the outer-panel, the deformable impact region can be displaced outwardly toward said person or object. The outer panel is provided with at least one plastically deformable impact region which is weakened in relation to the rest of the outer panel, and a supporting shell is firmly connected to the outer panel on an inner side. The supporting shell has at least the stability of the rest of the outer panel, enclosing the impact region and forming, along with the outer panel, a closed cavity. In the event of an impact load, the plastically deformable impact region can be expanded rapidly outward by means of a high-pressure charge, such as a pyrotechnical propellant charge, to provide a deformation area to absorb the energy of the impact. The impact absorbing structure is particularly used in hoods and doors of motor vehicles.

REFERENCES:
patent: 3718295 (1973-02-01), Moore
patent: 4815777 (1989-03-01), Campbell
patent: 5102163 (1992-04-01), Ishikawa
patent: 5106137 (1992-04-01), Curtis
patent: 5181697 (1993-01-01), Rumer
patent: 5544913 (1996-08-01), Yamanishi et al.
patent: 5580119 (1996-12-01), Uchida et al.
patent: 5615914 (1997-04-01), Galbraith et al.

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