US 11,654,963 B2
Lightweight suspension upright or knuckle
Valentin Fleury, Romans-sur-Isère (FR); Marco Falossi, San Raffaele Cimena (IT); and Remi Sarlin, Allex (FR)
Assigned to Aktiebolaget SKF; and SKF Aerospace France S.A.S.
Filed by Aktiebolaget SKF, Gothenburg (SE); and SKF Aerospace France S.A.S., Montigny-le-Bretonneux (FR)
Filed on May 19, 2021, as Appl. No. 17/324,218.
Application 17/324,218 is a continuation of application No. 16/507,112, filed on Jul. 10, 2019, granted, now 11,299,201.
Claims priority of application No. 102018000007980 (IT), filed on Aug. 8, 2018.
Prior Publication US 2021/0269090 A1, Sep. 2, 2021
Int. Cl. B62D 7/18 (2006.01); B29C 43/00 (2006.01); B29C 45/00 (2006.01); B29C 65/00 (2006.01); B60G 99/00 (2010.01); B29C 70/86 (2006.01); B29L 31/30 (2006.01)
CPC B62D 7/18 (2013.01) [B29C 43/003 (2013.01); B29C 45/0005 (2013.01); B29C 66/721 (2013.01); B60G 99/002 (2013.01); B29L 2031/30 (2013.01); B60G 2204/43 (2013.01); B60G 2206/50 (2013.01); B60G 2206/7101 (2013.01); B60G 2206/8101 (2013.01); B60G 2206/821 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A lightweight suspension upright or knuckle for a vehicle, comprising:
a bearing connection interface configured for receiving a wheel bearing, the bearing connection interface comprising a first sleeve element; wherein
i)—the bearing connection interface further comprises a second sleeve element arranged radially outside the first sleeve element and comprising an annular body having a radially outer lateral surface and a radially inner lateral surface and made of a composite material including reinforcing fibers dispersed in a polymer matrix;
ii)—the lightweight suspension upright or knuckle further comprising a first and a second shell elements, both generally cup-shaped and both made of high-performance fiber reinforced composite material;
iii)—the first shell element and the second shell element being directly coupled to the first sleeve element, the second shell element being fitted upon the first shell element, radially outside or inside thereof and radially and peripherally mating therewith, with the annular body of the bearing interface sandwiched between the first and second shell element;
iv)—the lightweight suspension upright or knuckle further comprising a core filling an empty space delimited there between by the first and second shell element, the core comprising the annular body;
v)—the radially inner lateral surface of the annular body being mechanically coupled to the first sleeve element between the first shell and the second shell;
vi) the annular body is made of a composite material selected from the group consisting of BMC (Bulk Molding Compound), LFT (Long Fiber Thermoplastic) and DLFT (Direct Long Fiber Thermoplastic), the core comprising one or more radial stiffeners molded in the same BMC/LFT/DLFT material of the annular body between the first and the second shell elements and mechanically connecting the first and second shell elements to each other and to the BMC/LFT/DLFT annular body.