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Diffuser system having pivotable output-generating body in flow path, and motor vehicle having diffuser system

A technology for motor vehicles and diffusers, applied in vehicle parts, streamlined body, transportation and packaging, etc., can solve the problems of cost and achieve the effect of simple control and small holding force

Pending Publication Date: 2021-12-17
ROECHLING AUTOMOTIVE SE & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Disadvantageous in the solution known from DE 10 2013 105 843 A1 is the power expenditure, which requires translational and rotational drives

Method used

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  • Diffuser system having pivotable output-generating body in flow path, and motor vehicle having diffuser system
  • Diffuser system having pivotable output-generating body in flow path, and motor vehicle having diffuser system
  • Diffuser system having pivotable output-generating body in flow path, and motor vehicle having diffuser system

Examples

Experimental program
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Embodiment Construction

[0032] exist figure 1 A roughly schematic bottom view of a vehicle 10 according to the invention is shown in , which has a diffuser arrangement 12 also according to the invention. More precisely, the vehicle 10 has two diffuser arrangements 12 , each of which is associated with a front wheel 14 .

[0033] A common vehicle coordinate system consisting of a roll axis Ro extending parallel to the vehicle longitudinal direction, a yaw axis Gi extending parallel to the vehicle height direction, and a pitch axis Ni extending along the vehicle transverse direction is in Figures 1 to 4 shown in .

[0034] The arrangement of the diffuser arrangement 12 is mirrored with respect to a plane of symmetry containing the roll axis Ro and the yaw axis Gi, said plane of symmetry being the vertical longitudinal median plane of the vehicle 10 . Each of the diffuser arrangements 12 is arranged in a region 16 with respect to the front wheel 14 closest thereto, in front of the front wheel 14 and ...

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PUM

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Abstract

The invention relates to a diffusor system for a motor vehicle, including a diffuser duct, which extends along a virtual duct path and is traversable by flow in a flow direction, having at least one duct bounding surface which is curved about a diffuser curvature axis, the diffuser curvature axis forming an angle with the duct path, and including an output-generating body, which can pivot between two operating positions about a pivot axis, which is orthogonal to the duct path; in a cross-sectional plane, which is orthogonal to the pivot axis, the output-generating body having a profile that generates output in response to approach flow; in an activation operating position, a leading edge of the output-generating body, which is more proximate to the upstream longitudinal end of the diffuser duct, being at a greater distance from the curved duct bounding surface than in an inactivation operating position, which differs from the activation operating position. According to the invention, the pivot axis extends outside of the output-generating body.

Description

technical field [0001] The invention relates to a diffuser arrangement for a motor vehicle, comprising a diffuser channel extending along a virtual channel path and capable of being passed through in the direction of flow, the diffuser channel having at least one channel curved around a diffuser bending axis The boundary surface, wherein the diffuser bending axis forms an angle with the channel trajectory, and the diffuser device comprises an output body, which is pivotable between two operating positions about a pivot axis forming an angle, preferably at right angles, to the channel trajectory, wherein the output The body has, in a sectional plane perpendicular to the pivot axis, a configuration that produces an output upon inflow, wherein in the activated operating position the front edge at the longitudinal end of the output body near the upstream of the diffuser channel is different from that of the activated In the inactive operating position of the operating position the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D35/00B62D35/02B62D37/02
CPCB62D35/005B62D35/02B62D37/02Y02T10/88
Inventor 卡斯滕·格雷贝尔
Owner ROECHLING AUTOMOTIVE SE & CO KG