Abstract: An N-phase electric machine includes a movable member mounted so as to move with respect to a fixed member, a system for determining at least one item of information relating to the movement of the movable member and an electric power supply system which is managed by the item of information, the determination system comprising an encoder having a magnetic track, the fixed member having an armature equipped with at least one conductive coil per phase, the coils being magnetically coupled to the track, the armature having pads around which a coil is respectively arranged, each of the pads having teeth spaced apart by hollows so as to direct the magnetic flux between the coil and the encoder so that the supply of electric power to the coils causes the encoder to move and/or the movement of the encoder causes electric power to be supplied to the coils.

Abstract: A motor vehicle drive wheel assembly comprising a fixed subassembly comprising two outer raceways; and, a rotating subassembly comprising a first inner race, a second inner race and two rows of balls arranged in two pitch planes PP1 and PP2. The second inner bearing race has an outer diameter, measured in a section plane perpendicular to the axis of rotation and located between the first pitch plane and the second pitch plane, at a measurement distance DM of the first pitch plane, which is greater than a given threshold value VS.

Abstract: An instrumented bearing comprising a stationary outer ring and a rotating inner ring is provided with an encoder, a sensor assembly comprising a read head positioned opposite and at a reading distance from the encoder, and a leakage current collector capable of coming into sliding contact with an annular contact which can be rigidly connected, directly or indirectly, to the inner ring. The encoder and the read head are positioned axially between the outer ring and the leakage current collector. A conductive electrical connection between the leakage current collector and the stationary outer ring also forms a magnetic shield of ferromagnetic material, extending from the outer ring to the leakage current collector by surrounding the encoder and the read head.

Abstract: The invention relates to a roller bearing having an exterior member and an interior member with an interior ring having a raceway and an interior wall which is associated around an exterior bearing surface of a hub of the interior member. The bearing surface has a groove in which an annular member is arranged by having an interior segment axially immobilized in the groove and a exterior segment that projects to form an axial abutment of the ring. On the hub, the interior member has an encoder with a track capable of generating a signal representative of its rotation. The encoder also has a reinforcement for rotatably securing to the member. The reinforcement has at least one projection arranged around the annular member to prevent its radial movement in the groove.

Abstract: A motor vehicle drive wheel assembly comprising a fixed subassembly comprising two outer raceways; a rotating subassembly comprising a wheel hub, two inner raceways and two rows of rolling bodies that are arranged in two pitch planes PP1 and PP2. One of the inner raceways is formed on a rolling bearing ring that bears against a transmission bowl at an annular contact interface situated between the two pitch planes.

Abstract: The invention is a bearing, with an inner member having an inner ring with a raceway and an inner wall assembled around an outer bearing surface of a hub. The outer bearing surface has a groove in which an annular member is arranged having an inner segment axially immobilised in the groove and an outer segment that projects to form an axial stop for the assembly of the inner ring on the hub. The inner member has an encoder. The encoder also has a frame securing it to the inner member. The frame has a stop section between the inner ring and the outer segment.

Abstract: A motor vehicle drive wheel assembly comprising a fixed subassembly comprising two outer raceways; and, a rotating subassembly comprising a first inner race, a second inner race and two rows of balls arranged in two pitch planes PP1 and PP2. The second inner bearing race has an outer diameter, measured in a section plane perpendicular to the axis of rotation and located between the first pitch plane and the second pitch plane, at a measurement distance DM of the first pitch plane, which is greater than a given threshold value VS.

Abstract: A method for assembling a ring by shrinking the ring onto a shrink-fitting surface of a part, the shrink-fitting surface being turned radially away from a reference axis, the part having a free upper end and an inner wall extending around the reference axis turned radially toward the reference axis and extending axially while delimiting at least part of an axial cavity. The method including the steps of forming, on the inner wall, splines extending axially; shrinking the ring on the part so that a lower transverse face of the ring comes into abutment against a shoulder of the part. After the step of forming the splines and prior to the step of shrinking the ring onto the part, radial elastoplastic expansion of an upper portion of the part results in a widening of the shrink-fitting surface and of a portion of the splines.

Abstract: A rotary suspension stop for a suspension strut comprises a bearing, a lower support forming a bearing surface for an upper turn of a helical spring and an annular shrink-fitting surface turned radially in a radial reference direction, a cover comprising an annular skirt extending axially facing and at a distance from the shrink-fitting surface and a seal having a body, at least one annular sealing lip in sliding contact against the annular skirt of the cover and at least a first set of one or more elastic first shrink-fit lips projecting toward the shrink-fitting surface and shrunk to the shrink-fitting surface.

Abstract: The invention relates to a system comprising a coder that has an alternation of North and South magnetic poles separated by transitions extending along a helix of pitch p and of angle ?, the magnetic track having Npp pairs of North and South poles and a polar width Lp measured along a normal to the transitions which are: Npp=?a/l and Lp=p·cos ?. The invention also includes at least one sensor able to detect the rotating magnetic field in a plane perpendicular to the magnetic track and to the transitions by means of a mounting of at least two sensitive magnetic elements. The mounting being disposed at a radial reading distance from the magnetic track and being arranged to deliver signals in quadrature.

Abstract: A motor vehicle drive wheel assembly comprising a fixed subassembly comprising two outer raceways; a rotating subassembly comprising a wheel hub, two inner raceways and two rows of rolling bodies that are arranged in two pitch planes PP1 and PP2. One of the inner raceways is formed on a rolling bearing ring that bears against a transmission bowl at an annular contact interface situated between the two pitch planes.

Abstract: The invention relates to a bearing cage for a bearing of the type comprising a first ring having a first bearing race, a second ring having a second bearing race, rolling bodies positioned in an annular rolling volume between the first and the second bearing races in such a way as to enable a relative rotation between the first and second rings around a reference axis of the bearing, the cage comprising cells for housing rolling bodies, the cage being characterised in that it comprises an interface for coupling with a maneuvering member, such that when the maneuvering member is engaged with the coupling interface, the bearing cage is capable of being rotationally driven by the maneuvering member in a predetermined direction with respect to the reference axis.

Abstract: The invention relates to a system comprising a coder that has an alternation of North and South magnetic poles separated by transitions extending along an helix of pitch p and of angle ?. The invention having Npp pairs of North and South poles and a polar width Lp measured along a normal (N) to the transitions which are: Npp=?a/I and Lp=p.cos ?. The invention also includes a sensor able to detect the period magnetic field emitted by the coder by means of at least two sensitive magnetic elements which are disposed at a radial reading distance from the magnetic track. The sensitive elements are disposed in relation to one another to deliver signals in quadrature.

Abstract: The invention relates to a suspension stop with an upper cup and a lower cup arranged to form between them an annular chamber which is delimited laterally by two walls. The chamber having an external section formed between a bearing surface of each wall respectively, the suspension stop having an external sealing element with two complementary bearing surfaces. The external sealing element is mounted to be mobile in the external section between a stable position in which the complementary bearing surfaces are arranged at a distance from the bearing surfaces of the external section and a stressed position by bearing on the external sealing element in which the complementary bearing surfaces are forced against one of the bearing surfaces to ensure the sealing of the external section at the interface thereof.

Abstract: The invention relates to a rolling bearing equipped with a sealing device having a frame fixed to a first organ. The first organ has a downstream sector bearing a sealing element and presenting a U-shaped geometry formed of an axial bottom surrounded with an inner wall and an outer wall at its edges. The outer wall is extended by a deflector that separates, with the U-shaped geometry, the sealing chamber into an inner compartment and an outer compartment. The bearing also includes a wall fixed to second organ, which presents an outside section forming with the deflector a reduced sealing clearance between the outside opening of the chamber and the outer compartment. The deflector has an outer surface placed in the outer compartment and is slanted towards the opening at an angle ? from 10° to 80° relative to a radial direction.

Abstract: The invention relates to a system having a coder with a magnetic track that exhibits an alternation of North and South magnetic poles separated by i Archimedean spiral transitions. The invention also includes a rotation sensor able to detect the periodic magnetic field emitted by the coder using several sensitive elements, the sensitive elements being distributed angularly along the magnetic track while forming between at least two sensitive elements an angle ? which is designed so that the signals delivered by the elements are in quadrature.

Abstract: The invention relates to an assembly comprising an encoder (1) secured in rotation to the member, said encoder comprising a primary magnetic track (2) and a secondary magnetic track (3) and a sensor (4) having two patterns (5) of sensitive elements which are suitable for detecting the signals supplied by the tracks (2, 3) of the encoder (1), each pattern (5) being arranged at reading distance from a track (2, 3) to form a representative signal of the position of said track, the sensitive elements of a first pattern (5) are based on a magnetoresistive material wherein the resistance varies according to the magnetic signal of the track (2, 3) to be detected, said first pattern being arranged at reading distance from a second track (3) having 2N?1 magnetic pole pairs, the sensitive elements of the second pattern (5) being based on an anisotropic magnetoresistive material, said second pattern being arranged at reading distance from a primary track (2) having N magnetic pole pairs.

Abstract: The invention relates to a system comprising: an encoder the magnetic track of which has an alternation of North and South magnetic poles separated by transitions in Archimedean spiral, a rotation sensor able to detect the periodic magnetic field emitted by the encoder using a plurality of magnetic sensitive elements, distributed angularly along the magnetic track. Each magnetic sensitive element delivers a signal representative to the rotation of the encoder. The sensor further comprises a device for subtracting the signals (V1, V2) delivered by two sensitive elements forming therebetween an angle ? that is such that: 0.55?<?·Npp, <0.83?, modulo 2? or 1.17?<?·Npp<1.45?, modulo 2?.

Abstract: The rolling bearing for a blade root includes an outer ring (13) and an inner ring (12). An inner space (43) is defined between the inner surface (33) of the outer ring (13) and the outer surface (25) of the inner ring (12). At a distal end (46), the inner space (43) is closed off by a distal sealing system (47) between the outer ring and the inner ring. A system (57) for retaining the distal sealing system (47) includes a retaining body (58), and a thread/tapping system provided on a peripheral assembly surface of the retaining body and on a peripheral surface of the facing inner or outer ring. The retaining body (58) is screwable into a retention position in which an axial abutment surface (61) of the retaining body forms an axial stop for the distal sealing system longitudinally (B), in the proximal->distal direction.

Abstract: A sensor including a measuring assembly integrating at least one magnetoresistive element having a stack of two conductive magnetic layers, respectively reference and sensitive, the reference layer having magnetic anisotropy in the direction X and the sensitive layer having a direction Y, a polarization permanent magnet having a surface extending in a plane of directions X and Y and having a symmetry plane of directions X and Z, the measuring assembly being disposed with respect to the symmetry plane of the polarization magnet so that the layers of the magnetoresistive element are disposed in a plane parallel to the surface while being offset from said plane in the direction Y by a distance (?y) that is arranged so that the magnetic field of the polarization magnet orients the magnetisation of the sensitive layer in the direction Y.