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US 8,113,049 B2Granted
Method and a machine for balancing vehicle wheels
AssigneeCorghi S.p.A.
InventorRemo Corghi
Life of this patent
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AssigneeCorghi S.p.A.
InventorRemo Corghi
Estimating the term…
A method and a machine for balancing vehicle wheels with weights (18), the method comprising stages of: using a video camera (5, 6, 206) to frame a portion of a surface of a hub (101) of a wheel on which a weight (18) is to be applied, locating, in images of the hub (101) taken by the camera (5, 6, 206), at least a balancing plane (E1, E2) which is perpendicular to a rotation axis (A) of the wheel, piloting at least a pick-up device (8, 9, 209) such as to direct the at least a pick-up device (8, 9, 209) onto a point (P1, P2) of the hub (101) belonging to the balancing plane (E1, E2), detecting, by means of the pick-up device (8, 9, 209) characteristic geometric parameters of the hub (101) at the balancing plane (E1, E2), measuring an imbalance of the wheel, calculating, by means of an electronic calculator (4, 204) an entity of at least a weight (18) to be applied to the hub (101) at the balancing plane (E1, E2), and also calculating an angular position (T1, T2) of the weight (18) in the balancing plane (E1, E2).
A method for balancing a vehicle wheel using at least one weight (18), comprising the steps of:
A method for balancing a vehicle wheel using weights (18), comprising the steps of:
A machine for balancing a vehicle wheel using weights (18), comprising a rotating shaft (3, 203) which rotates on a fixed structure (2, 202), means for blocking the wheel on the rotating shaft (3, 203), means for measuring an imbalance of the wheel, an electronic calculator (4, 204) for calculating entities of the weights (18) to be applied to a hub (101) of the wheel (100) in at least one preselected balancing plane (E1, E2) which is perpendicular to the axis (A) of the wheel and the angular position of the weights (18) in the at least one balancing plane (E1, E2), at least one camera (5, 6, 206) for framing a portion of the hub (101) in which weights (18) are to be applied, a screen (7, 207B) on which images taken by the camera (5, 6 206) are projected, and at least one pick-up device (8, 9, 209), connected to the electronic calculator (4, 204), which is destined to be piloted in order to be directed on to a point (P1, P2) on the hub (101) which belongs to the at least one balancing plane (E1, E2), characterised in that it comprises means for acquiring a plurality of distinct images of the hub (101), in a predetermined temporal order and under different conditions in order to identify at least one reference line (C) corresponding to a circumference of the surface of the hub (101).
Dependencies are inferred from the claim text.