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EP0536624A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Arrangement of collision sensor for side collision airbag apparatus

Assignee: Toyota Motor Corp
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Filing: 1992-09-29
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Granted: —
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Expires: 2012-09-29
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Abstract

Abstract An acceleration sensor (24) acting as a collision sensor for sensing a collision in terms of an impact load inputted from a side of a vehicular body is mounted either directly on a cross member (16), which is arranged widthwise of the vehicular body (11), or on a floor pan close (12) to the cross member so that a load due to a side collision is inputted without any attenuation to the collision sensor (24) through the cross member. As a result, the side collision can be reliably sensed at an early stage. Moreover, the number of collision sensors can be reduced because the single collision sensor can sense a collision at either lefthand or righthand side. If the collision sensor is disposed on a floor tunnel (13) either in or close to a position intersecting the axis of the cross member (16) arranged widthwise of the vehicular body (11), the load at the time of a side collision is transmitted without any attenuation to the collision sensor, because the floor tunnel (13) is rigidly connected to the cross member (16), so that the side collision can be reliably sensed at an early stage.

Inventors

  • 👤 Kentaro Morishita
  • 👤 Hiroshi Ohashi

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-27 17:11
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/01; B60R21/013; B60R21/0136; B60R21/0132; B62; B62D; B62D21/00

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 84 words
An arrangement of a collision sensor for a side collision airbag apparatus for inflating an airbag between a passenger and an inner side wall of the compartment of a vehicle at the time of a collision of the vehicle, comprising: a floor structure including a reinforcing member for maintaining the strength and rigidity of a vehicular body; and a collision sensor fixed on said reinforcing member for sensing a collision in terms of an impact load inputted from a side of the vehicular body.
Claim 2
Dependent Claim 53 words
A collision sensor arrangement according to Claim 1, wherein said reinforcing member includes: a cross member arranged widthwise of the vehicular body; and such a portion of a floor pan connected to said cross member as is close to said cross member, and wherein said collision sensor is fixed on said cross member.
Claim 3
Dependent Claim 61 words
A collision sensor arrangement according to Claim 1, wherein said reinforcing member includes: a cross member arranged widthwise of the vehicular body; and such a portion of a floor pan connected to said cross member as is close to said cross member, and wherein said collision sensor is fixed on the portion of said floor pan close to said cross member.
Claim 4
Dependent Claim 22 words
A collision sensor arrangement according to Claim 2, wherein said collision sensor is disposed on the center line of the vehicular body.
Claim 5
Dependent Claim 59 words
A collision sensor arrangement according to Claim 1, wherein said reinforcing member includes: a cross member arranged widthwise of the vehicular body; and a floor tunnel intersecting said cross member and extending in the longitudinal direction of the vehicular body, and wherein said collision sensor is disposed on said floor tunnel and across the axis of said cross member.
Claim 6
Dependent Claim 83 words
A collision sensor arrangement according to Claim 1, wherein said reinforcing member includes: a cross member arranged widthwise of the vehicular body; a floor tunnel intersecting said cross member and extending in the longitudinal direction of the vehicular body; and such a portion of a floor pan connected to an intersecting position between said cross member and said floor tunnel as is close to said intersecting position, and wherein said collision sensor is fixed on said floor pan close to said intersecting position.
Claim 7
Dependent Claim 16 words
A collision sensor arrangement according to Claim 1, wherein said collision sensor includes acceleration sensing means.
Claim 8
Dependent Claim 41 words
A collision sensor arrangement according to Claim 7, wherein said acceleration sensing means includes: a sensor for sensing an acceleration coming from the lefthand side of the vehicular body; and a sensor for sensing an acceleration coming from the righthand side.
Claim 9
Dependent Claim 31 words
A collision sensor arrangement according to Claim 7, wherein said acceleration sensing means includes a sensor for sensing accelerations coming from both the lefthand and righthand sides of the vehicular body.
Claim 10
Dependent Claim 34 words
A collision sensor arrangement according to Claim 1, further comprising another collision sensor for a front collision airbag apparatus, and wherein said collision sensor and said another collision sensor are integrated with each other.
Claim 11
Dependent Claim 21 words
A collision sensor arrangement according to Claim 10, wherein both said collision sensor and said another collision sensor are acceleration sensors.

References Cited (Backward Citations)

GB1168750A Cited
US3720426A Cited
GB2197973A Cited
WO1990010302A1 Cited
US4966388A Cited
US5072966A Cited

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