IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0659943
(2005-08-31)
|
등록번호 |
US-7610126
(2009-11-10)
|
우선권정보 |
IT-PD2004A0224(2004-09-07) |
국제출원번호 |
PCT/EP05/054271
(2005-08-31)
|
§371/§102 date |
20070212
(20070212)
|
국제공개번호 |
WO06/027329
(2006-03-16)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
5 |
초록
▼
An apparatus for determining the alignment of the wheels of a motor vehicle, which comprises sensing devices adapted to detect the coordinates, with respect to a same reference system, of at least three base points which belong to the supporting surface that supports the motor vehicle for which whee
An apparatus for determining the alignment of the wheels of a motor vehicle, which comprises sensing devices adapted to detect the coordinates, with respect to a same reference system, of at least three base points which belong to the supporting surface that supports the motor vehicle for which wheel alignment is to be determined, to detect the coordinates of at least two chassis points identified in symmetrical positions of the chassis of the motor vehicle with respect to the longitudinal centerline plane of the motor vehicle, and to detect the coordinates, with respect to the reference system, of four wheel points, which belong to a preset wheel plane that is at least tangent with respect to the rim of the wheel whose alignment is to be determined.
대표청구항
▼
What is claimed is: 1. An apparatus for determining the alignment of the wheels of a motor vehicle, comprising: sensing means, which are adapted to detect coordinates, with respect to a same reference system, of at least two chassis points identified in symmetrical positions of the chassis of the m
What is claimed is: 1. An apparatus for determining the alignment of the wheels of a motor vehicle, comprising: sensing means, which are adapted to detect coordinates, with respect to a same reference system, of at least two chassis points identified in symmetrical positions of the chassis of the motor vehicle with respect to a longitudinal centerline plane of said motor vehicle, and are adapted to detect the coordinates, with respect to said reference system, of at least three wheel points which belong to a preset wheel plane that is at least tangent with respect to the rim of the wheel whose alignment is to be determined; first memory means, which are adapted to store said detected coordinates of said chassis points and said wheel points, first calculation means, which are adapted to calculate the position of said longitudinal centerline plane with respect to said reference system given the coordinates of said chassis points and to calculate the position of said preset wheel plane with respect to said reference system given the coordinates of said wheel points, second memory means, which are adapted to store the calculated position of said longitudinal centerline plane and to store the position of said preset wheel plane, second calculation means, which are adapted to calculate an inclination of said preset wheel plane with respect to said longitudinal centerline plane and are adapted to calculate, by derivation from said calculated inclination, selectively, a camber angle, toe-in, steering angle and incidence of the wheel whose alignment is being calculated. 2. The apparatus of claim 1, wherein said second calculation means are adapted to calculate, by derivation from the calculation of said inclination of said preset wheel plane with respect to said longitudinal centerline plane, selectively the axial offset and the thrust angle of pairs of wheels of a same axle of said motor vehicle. 3. The apparatus of claim 1, wherein said sensing means are further adapted to detect the coordinates of at least three base points which belong to the supporting surface on which the motor vehicle rests, said first memory means being further adapted to store said detected coordinates of said at least three base points, said first calculation means being further adapted to calculate the position of said longitudinal centerline plane with respect to said reference system given the coordinates of said chassis points. 4. The apparatus of claim 1, wherein said preset wheel plane is perpendicular to the rotation axis of said wheel, said at least three wheel points being detected on a circumference that belongs to the rim of said wheel. 5. The apparatus of claim 1, wherein said sensing means comprise at least one articulated measurement arm, which is interfaced with an electronic computer provided with a user interface and with an electronic program, said first and second memory means and said first and second calculation means being integrated in said electronic computer with said electronic program. 6. The apparatus of claim 5, wherein a database is loaded into said electronic program and stores the tolerance values of the camber angle, toe-in, steering angle, incidence, axial offset, and thrust angle parameters for given motor vehicles.
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