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Energy attenuating longitudinal frame member for vehicle including asymmetric collision response

A technology of frame components and components, applied in the field of vehicles, can solve problems such as the limitation of passenger carrying capacity

Pending Publication Date: 2022-04-08
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Reduced load capacity imposes constraints on engine design, passenger load capacity, etc.

Method used

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  • Energy attenuating longitudinal frame member for vehicle including asymmetric collision response
  • Energy attenuating longitudinal frame member for vehicle including asymmetric collision response
  • Energy attenuating longitudinal frame member for vehicle including asymmetric collision response

Examples

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Embodiment Construction

[0036] The following description is an exemplary description only, and is not intended to limit the invention and its application or use. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.

[0037] According to an exemplary embodiment, vehicles typically figure 1 10 representations. Vehicle 10 includes a chassis 12 supporting a body 14 having a passenger compartment 16 . The chassis 12 also supports a pair of front wheels 18 and a pair of rear wheels 20 . As will be described in detail herein, the chassis 12 includes an energy-attenuating frame 30 designed to reduce impact forces for occupants in the passenger compartment 16 . The energy decay frame 30 is also designed to include specific responses to low energy shocks. The specific response mitigates damage to various frame components, allowing the vehicle 10 to be repaired and returned to service.

[0038] Such as figure 2 As shown,...

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Abstract

A frame for a vehicle includes a bumper support frame member and a longitudinal frame member coupled to the bumper support frame member. The longitudinal frame member includes a rail member having an asymmetric impact response.

Description

technical field [0001] The present disclosure relates to vehicle technology, and in particular to energy-attenuating rails with asymmetric energy crash response. Background technique [0002] In a forward crash, it is desirable to dissipate the crash energy and direct the crash forces away from the vehicle occupants. The bumper may include an energy damping system that absorbs a portion of the impact energy through the stroke mechanism. The stroke mechanism may include a telescoping member that collapses when exposed to impact force. Other systems allow the longitudinal rails to be squeezed or folded. [0003] There is a trade-off between designing the longitudinal rails to collapse and maintaining the desired load carrying capacity. Increasing load carrying capacity also increases the crash load required to fold the longitudinal rails. Reducing load carrying capacity imposes constraints on engine design, passenger carrying capacity, etc. Therefore, the industry will we...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R19/24B60R19/26
CPCB60R19/24B62D21/15B62D65/024B60R19/34
Inventor B.莱尔M.N.谢克R.J.陶尔比M.达索特
Owner GM GLOBAL TECH OPERATIONS LLC