Variables spoiler apparatus for vehicle

Patent metadata

Field	Value
Publication number	US-9499217-B2
Application number	US-201414562483-A
Country	US
Kind code	B2
Filing date	Dec 5, 2014
Priority date	Aug 18, 2014
Publication date	Nov 22, 2016
Grant date	Nov 22, 2016

Abstract

A variable spoiler apparatus for a vehicle may include a driving portion including a gear set configured to provide a predetermined speed reduction ratio, wherein a driving motor and a driving shaft for supplying rotational force of the driving motor may be connected to the gear set, and a linkage, wherein a base bracket to which the driving shaft of the driving portion may be connected may be provided on the linkage, wherein the linkage includes a plurality of links that may be connected to a spoiler bracket connected to the driving shaft, the base bracket and a spoiler, and wherein the plurality of links may be rotated together with the driving shaft when the driving motor of the driving portion operates thereby to draw out or stow the spoiler such that angle and height of the spoiler may be varied.

First claim

What is claimed is:

1. A variable spoiler apparatus for a vehicle, comprising:
a driving portion including a gear set configured to provide a predetermined speed reduction ratio, wherein a driving motor and a driving shaft for supplying rotational force of the driving motor are connected to the gear set; and
a linkage,
wherein a base bracket to which the driving shaft of the driving portion is connected is provided on the linkage,
wherein the linkage includes a plurality of links that are connected to a spoiler bracket connected to the driving shaft, the base bracket and a spoiler, and
wherein the plurality of links are rotated together with the driving shaft when the driving motor of the driving portion operates thereby to draw out or stow the spoiler,
wherein the linkage comprises:
a first link member, one end of which is connected integrally to a front end of the base bracket through the driving shaft and which is rotated together with the driving shaft:
a second link member, one end of which is connected rotatably to another end of the first link member and another end of which is connected to the spoiler bracket; and
a third link member, one end of which is connected rotatably to a rear end of the base bracket and another end of which is connected rotatably to the second link member.

2. The variable spoiler apparatus for the vehicle of claim 1 ,
wherein a worm gear is formed on a motor shaft on the driving motor of the driving portion and the gear set is provided with a plurality of gear members having different sizes that are connected each other, and
wherein one gear member is engaged with the worm gear and another gear member is connected to the driving shaft.

3. The variable spoiler apparatus for the vehicle of claim 2 , wherein the gear set of the driving portion comprises:
a gear housing;
an input gear member that is arranged rotatably in the gear housing and is engaged with a worm gear;
a middle gear member that is engaged with the input gear member to be rotated in an opposing direction of the input gear member ; and
an output gear member which is engaged with the middle gear member and to a center of which the driving shaft is connected integrally.

4. The variable spoiler apparatus for the vehicle of claim 3 , wherein the input gear member, the middle gear member and the output gear member of the gear set have different gear ratios respectively to set reduction ratio and respective gear ratio is set to support load applied to the spoiler.

5. The variable spoiler apparatus for the vehicle of claim 3 , wherein the motor shaft of the driving motor is extended front/rearward to rotate front/rearward the gear member of the gear set that is engaged with the worm gear.

6. The variable spoiler apparatus for the vehicle of claim 1 , wherein the first link member, the second link member and the third link member of the linkage are provided as a pair symmetrical to both sides of the base bracket and the spoiler bracket.

7. The variable spoiler apparatus for the vehicle of claim 1 , wherein a fixing protrusion is formed on the third link member, which contacts the second link member and defines a rotation of the third link member when the spoiler is drawn out fully.

8. The variable spoiler apparatus for the vehicle of claim 1 , wherein in a state where the spoiler is drawn out fully, the another end of the third link member connected to the second link member is disposed to be higher than the one end of the second link member connected to the first link member.

9. The variable spoiler apparatus for the vehicle of claim 1 , wherein the third link member is formed to be maintained approximately at right angle to the base bracket when the spoiler is drawn out fully.

10. The variable spoiler apparatus for the vehicle of claim 1 , wherein the linkage is formed such that the base bracket, the first link member, the second link member and the third link member are connected to be unfolded to form a trapezoid or quadrangle when the spoiler is drawn out fully.

Assignees

• Hyundai Motor Co Ltd
• Kia Motors Corp

Inventors

• Jeong Phil Jung
• Kim Hyun Gyung
• Oh Young Sub
• Cha Dong Eun
• Lee Bock Cheol
• Lee Seung Mok

Classifications

• Y02T10/82

  Elements for improving aerodynamics · CPC title

• F16H37/14

  the movements of two or more independently-moving members being combined into a single movement · CPC title

• B62D35/007 Primary

  Rear spoilers (B62D35/001 takes precedence) · CPC title