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Hood elevation system

A technology for hoods and electric motors, which is applied in the field of vehicles and can solve problems such as the ability to absorb energy and the proximity of obstacles

Active Publication Date: 2008-11-26
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this deformation and corresponding ability of the hood to absorb energy may be hampered by the proximity of the hood to components within the engine compartment

Method used

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Examples

Experimental program
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Embodiment Construction

[0021] Referring to FIG. 1 , a front portion 12 of a vehicle 16 is schematically depicted. The front surface of the vehicle is formed by a front bumper 20 and a grille 24 . The fender 28 partially defines a wheel opening 32 and a front compartment 36 , which in the illustrated embodiment is an engine compartment. The front compartment 36 houses various vehicle components (not shown), such as the engine, battery, steering components, brake components, and heating, ventilation and air conditioning components. The hood 40 defines a portion of an upper surface 44 of the vehicle 16 and is configured to pivot about a set of hinges 48 . Hinge 48 is mounted on upper rail 52 adjacent the shroud (not shown). The windshield 53 extends above and behind the hood 40 .

[0022] Hinges 48 are each operably connected to a hood deployment linkage 54 . Referring to FIGS. 1 and 2 , the hood deployment linkage 54 includes a first link 55 pivotally connected to the upper rail 52 at a pivotable ...

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PUM

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Abstract

A hood elevation system for a vehicle includes an actuator configured to selectively move at least a portion of a vehicle hood between an elevated and a retracted position. The hood elevation system also includes a motor and a spring. The spring biases the hood toward its elevated position, and the motor is configured to retract the hood, thereby compressing the spring.

Description

technical field [0001] The present invention relates to a vehicle having a hood operably connected to an electric motor and a spring for selectively raising the hood. Background technique [0002] In certain vehicle crash situations, an object may exert a downward force on the vehicle hood. The deformation of the vehicle hood due to this downward force can absorb the energy of the crash. However, this deformation, and correspondingly the ability of the hood to absorb energy, may be hampered by the proximity of the hood to components within the engine compartment. Accordingly, the gap between the vehicle hood and the underhood component facilitates deformation of the hood or another energy absorbing material operatively connected to the hood when the hood is subjected to a downward force. [0003] However, having minimal clearance between the hood and engine compartment components can provide significant advantages such as improved driver visibility and aerodynamic performa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D25/10
CPCB60R21/38
Inventor M·O·尼尔M·A·克拉马奇克D·M·萨拉J·-T·王H·奈特-纽伯里
Owner GM GLOBAL TECH OPERATIONS LLC