Abstract: A grounding brush assembly includes a grounding brush provided with a plurality of conductive fibers and with a support inside of which the conductive fibers are mounted, and a brush mounting plate which is secured to the support of the brush. The assembly further includes a spacer washer supported by the mounting plate and arranged axially on the side opposite the brush in relation to the mounting plate.

Abstract: A bearing device includes a bearing having first and second rings configured to rotate relative to each other about a central axis, a bushing, and an electrically insulating insert overmolded between and connecting the bushing and a second radial side of the second ring. A surface of the bushing facing the second ring includes at least one groove extending circumferentially around a groove axis, at least one rib of the electrically insulating insert extends into the at least one groove, and the at least one groove axis is radially offset from the central axis.

Abstract: A grounding brush assembly includes a grounding brush including a support and a plurality of conductive fibers disposed within the support, and a brush mounting plate secured to the support of the brush. The mounting plate includes a radial portion and at least one centering portion extending at least axially from the radial portion, which is offset radially outwardly with respect to the support and has an outer surface defining the outside diameter of the mounting plate. The mounting plate includes at least one spacer tongue protruding from the radial portion on the side opposite the support.

Abstract: A grounding brush assembly includes a grounding brush including a support and a plurality of conductive fibers disposed within the support, and a brush mounting plate which is secured to the support of the brush. The mounting plate includes a radial portion and at least one centering portion extending at least axially from the radial portion, which is offset radially outwardly with respect to the support and has an outer surface defining the outside diameter of the mounting plate. The mounting plate further includes at least one connecting portion connecting the radial portion to the centering portion and provided with at least one oblique part extending obliquely outwardly from the radial portion and on a side opposite to the support.

Abstract: A grounding brush assembly includes a brush and a mounting plate, the brush including a support and a plurality of conductive fibers disposed within the support. The support includes a mounting portion and first and second lateral rims axially gripping the conductive fibers. At least one through opening is formed in the thickness of the mounting plate and the support further includes at least one tab extending through the at least one opening and having a bent free end. The bent free end interacts with the mounting plate so as to axially retain the support with respect to the mounting plate, the bent free end being located axially on the side of the mounting plate opposite to the support relative to the mounting plate.

Abstract: A grounding brush assembly includes a grounding brush, which is provided with a plurality of conductive fibers and with a support inside of which the conductive fibers are mounted, and a brush mounting plate which is secured to the support of the brush. The mounting plate includes a radial portion and at least one centering portion extending at least axially from the radial portion, which is offset radially outwardly with respect to the support and has an outer surface defining the outside diameter of the mounting plate. The mounting plate further includes at least one spacer portion extending obliquely inwardly from the centering portion and on the side opposite the radial portion.

Abstract: A grounding brush assembly includes a brush and a brush mounting plate, the brush being provided with a plurality of conductive fibers and a support inside which the conductive fibers are housed, the mounting plate being secured to the support and provided with at least one radial portion extending radially outwardly with respect to the support. At least one centering portion extends at least axially from the radial portion and is spaced radially apart from and partially surrounding the support. Further, at least one orifice is formed in the centering portion, the orifice being spaced a distance apart from the proximal end of the centering portion and a distance apart from the distal end of the centering portion.

Abstract: A grounding brush includes a plurality of conductive fibers and a support inside which the conductive fibers are mounted. The support includes a mounting portion and two lateral flanks extending from the mounting portion and axially gripping the conductive fibers. Each lateral flank of the support has an internal frontal face and an external frontal face, the two faces delimiting the axial thickness of each lateral flank, and a bore. Each lateral flank of the support is further provided with a connecting surface extending between the internal frontal face and the bore.

Abstract: A bearing device includes a bearing having first and second rings, a bushing, and an electrically insulating insert overmolded between and connecting a first cylindrical surface of the bushing and a second cylindrical surface of the second ring. A convex surface connects the first cylindrical surface of the bushing to a first front face of the bushing, and the convex surface has a first radius of curvature. The convex surface meets the first cylindrical surface at a sharp edge and the convex surface meets the first front face of the bushing at a second sharp edge.

Abstract: A conductive brush for diverting electric current from a rotating part and a non-rotating part includes an annular base element arranged on the non-rotating part or on the rotating part, an electrically conductive element, and at least one holding element arranged on the annular base element for holding the electrically conductive element. The electrically conductive element is made of an electrically conductive, flexible material, and is arranged to be in contact with both the rotating part and the non-rotating part.

Abstract: A grounding brush assembly includes a brush and a mounting plate, the brush including a support and conductive fibers disposed within the support. The support includes a mounting portion, first and second lateral rims extending from the mounting portion and axially gripping the fibers, and at least one retention portion extending the first lateral rim. The retention portion includes a mounting part extending in a bore of the mounting plate and at least one retention hook extending radially outwardly from the mounting part and interacting with the mounting plate. The at least one retention hook is located axially on a side of the mounting plate opposite to the first lateral rim.

Abstract: A bearing device includes a bearing and a bushing. The bearing has first and second rings, and the bushing has a first axial end and a second axial end and an axial length from the first axial end to the second axial end and a first radial surface and a second radial surface radially spaced from the first radial surface. An electrically insulating insert is overmolded between and connects the first radial surface of the bushing and a cylindrical surface of the second ring. The first radial surface of the bushing is curved but does not lie on a single cylinder.

Abstract: A grounding brush includes a plurality of conductive fibers and a support inside which the conductive fibers are mounted. The support includes a mounting portion and two lateral flanks extending from the mounting portion and axially gripping the conductive fibers. Each lateral flank of the support has a free end with a convex surface in contact with the conductive fibers.

Abstract: A bearing device includes a bearing having first and second rings and a bushing having a first cylindrical surface and a second cylindrical surface radially spaced from the first cylindrical surface. An electrically insulating insert is overmolded between and connects the first cylindrical surface of the bushing and the second cylindrical surface of the second ring. The first cylindrical surface of the bushing includes a first annular band of material projecting toward the second cylindrical surface of the second ring, the first annular band has a radial surface facing the second cylindrical surface of the second ring, the first annular bandhas an axial width less than the axial width of the bushing, and the radial surface of the first annular band is curved but does not lie on a single cylinder.

Abstract: A bearing device includes a first ring and a second ring configured to rotate relative to one another and an insulating sleeve formed from a bushing and an electrically insulating lining. The lining is overmolded on the bushing and on the second ring and connects the bushing to the second ring. The radial internal or external surface of the bushing incudes at least one helicoidal groove and the lining incudes at least one fastening rib having a shape complementary to a shape of the at least one helicoidal groove that extends into the at least one helicoidal groove. The helicoidal groove extends circumferentially at least 360 degrees around the radial internal or external surface of the bushing or the radial internal surface of the bushing.

Abstract: A grounding brush assembly includes a brush and a mounting plate, the brush including a plurality of conductive fibers and a support inside of which the conductive fibers are housed. The support includes a mounting portion, first and second lateral rims axially gripping the conductive fibers, and at least one tab distinct from the first and second lateral rims and bearing axially against the mounting plate. The grounding brush assembly further includes at least one connector for rigidly securing the tab to the mounting plate, the connector being distinct from the support and from the mounting plate.

Abstract: A bearing device includes a bearing having first and second rings, a bushing having first and second annular parts each having an axially extending cylindrical portion and radially inwardly extending annular collar and an electrically insulating lining overmolded between and connecting the first and second parts of the bushing and the second ring. The radial collar of the first part of the bushing extends radially beyond a surface of the second ring and includes a plurality of circumferentially spaced through-holes. The insulating lining includes a plurality of blind holes, each extending axially inward from one of the through-holes, and bottoms of the blind holes are axially spaced from the second ring.

Abstract: A bearing device includes a bearing having first and second rings, a bushing and an electrically insulating insert overmolded between and connecting the bushing and the second ring. A key is mounted in aligned slots of the bushing, the insert and the second ring to lock them against relative rotation. The key includes a retaining pin, at least one circumferentially extending support member connected to the retaining pin, and at least one radial bead on the circumferentially extending support member projecting into a radially facing groove to form an interference fit and hold the retaining pin in the slots of the bushing, insulating insert and the second ring.

Abstract: A bearing device includes a bearing having first and second rings configured to rotate relative to each other about a central axis, a bushing, and an electrically insulating insert overmolded between and connecting the bushing and a second radial side of the second ring. A surface of the bushing facing the second ring includes at least one groove extending circumferentially around a groove axis, at least one rib of the electrically insulating insert extends into the at least one groove, and the at least one groove axis is radially offset from the central axis.

Abstract: An electrical machine includes a non-rotating part, a rotating part, at least one bearing that includes a rotating ring and a non-rotating ring and supports the rotating part, a grounding brush fixed and secured to the non-rotating part, and having a free end extending towards the rotating ring of the bearing, and a conductive layer covering a portion of a surface of the rotating ring of the bearing such that the free end of the grounding brush is in contact with the conductive layer.