公开(公告)号：US11804742B2

公开(公告)日：2023-10-31

申请号：US17056155

申请日：2019-06-17

Applicant: Whylot SAS

Inventor： Loic Mayeur ,  Romain Ravaud

IPC: H02K1/02 ,  H02K1/2795 ,  H02K1/30 ,  H02K15/03 ,  H02K16/04 ,  H02K21/24

CPC classification number: H02K1/2795 ,  H02K1/02 ,  H02K1/30 ,  H02K15/03 ,  H02K16/04 ,  H02K21/24 ,  H02K2213/12

Abstract: The invention relates to a rotor (1) of an electromagnetic motor or generator having a body comprising an inner hub (2) which is concentric to a central axis (7) of rotation of the rotor (1), branches (3) extending radially with respect to the central axis (7) of rotation from the inner hub (2) towards a hoop (8) forming a circular outer periphery of the rotor (1), at least one magnet (10) being housed in each space delimited between two adjacent branches (3), each having a width which decreases with distance from the inner hub (2) and terminates by a tapered tip (3b) against the hoop (8). Each magnet is in the form of a magnet structure (10) consisting of a plurality of individual magnets (4) which are secured together by a fiber-reinforced insulating material, each individual magnet (4) being elongated in shape by extending in the axial direction of the rotor (1).

公开(公告)号：US11128186B2

公开(公告)日：2021-09-21

申请号：US16494994

申请日：2018-03-20

Applicant: WHYLOT SAS

Inventor： Romain Ravaud

IPC: H02K3/46 ,  H02K1/27 ,  H02K21/12 ,  H02K1/02 ,  H02K15/03 ,  H02K21/24 ,  H02K41/03 ,  H02K1/12 ,  H02K5/04 ,  H01F7/02 ,  H01F41/02 ,  H02K1/04 ,  H02K1/28 ,  H02K15/12 ,  H02K16/04 ,  H02K7/00

Abstract: A motor or electromagnetic generator with a rotor (3) and at least one stator (1, 2), the rotor (3) having permanent magnets (12) rotating around a median shaft and the stator (1, 2) having windings (5). The rotor (3) comprises magnet structures forming magnet poles composed of a plurality of unit magnets (15), covering discs (17) being axially arranged on each of two opposite axial faces of the rotor (3), the covering discs (17) being made of a composite material, the covering discs (17) and the magnet structures (12) being coated in an outer coating layer of composite material defining the outer contour of said at least one rotor (3). The stator (1, 2) comprises concentric windings (5) comprising a series of blocks (4) with the windings (5) wound around each block (4), the blocks (4) being rigidly attached to each other.

公开(公告)号：US11431209B2

公开(公告)日：2022-08-30

申请号：US16754058

申请日：2018-12-13

Applicant: Whylot SAS

Inventor： Vasile Mihaila ,  Romain Ravaud

IPC: H02K1/14 ,  H02K15/02 ,  H02K16/04 ,  H02K3/52 ,  H02K1/06 ,  H02K1/16

Abstract: The invention relates to a stator (8) for an electromagnetic motor or generator comprising windings (4) and a magnetic circuit, the stator (8) comprising a yoke with a circular or polygonal shape and winding support teeth (3). Each winding (4) rests on a tooth (3) while at least partly surrounding a winding support (13, 14), each winding support (13, 14) comprising or being associated with snap snap-fitting means (15′) that cooperate with complementary snap-fitting means (3′) supported by a tooth (3) associated with the winding support (13, 14) so that the winding support (13, 14) is fastened to the associated tooth (3).

公开(公告)号：US10212515B2

公开(公告)日：2019-02-19

申请号：US15127884

申请日：2015-03-03

Applicant: WHYLOT SAS ,  UNIVERSITE DU MAINE ,  CNRS

Inventor： Etienne Gaviot ,  Mehran Erza ,  Frédéric Polet ,  Lionel Camberlain ,  Romain Ravaud

IPC: H04R3/04 ,  H03G5/00 ,  H04R3/02 ,  H04R3/08 ,  H04R3/00

Abstract: The present invention relates to an acoustic signal supply circuit of at least one loudspeaker (HP) incorporating a filtering device of the resonance peak of said at least one loudspeaker (HP) occurring at a given frequency, characterized in that the filtering device of the resonance peak of said at least one loudspeaker (HP) is incorporated either into the first instrumentation ground circuit or in the feedback loop, this filtering device being purely electrical in the form an impedance incorporated in the first instrumentation ground circuit or in the feedback loop, the impedance parameters being predetermined as a function of the resonance peak to be filtered of said at least one loudspeaker (HP).

公开(公告)号：US11323016B2

公开(公告)日：2022-05-03

申请号：US16769181

申请日：2019-01-18

Applicant: Whylot SAS

Inventor： Romain Ravaud

IPC: H02K41/03 ,  H01F7/02 ,  H01F41/02 ,  H02K1/02 ,  H02K1/2793 ,  H02K21/24

Abstract: The invention relates to a unitary magnet (1) that has an elongate shape and an at least partially ovoid contour as the unitary magnet (1) comprises a first portion (1a) forming a body of the unitary magnet (1) that has a larger cross-section and extends over a greater portion of the length of the unitary magnet (1) than at least one second longitudinal end portion (1b) that points towards an associated longitudinal end of the magnet and has a decreasing cross-section towards the longitudinal end.

公开(公告)号：US20150180296A1

公开(公告)日：2015-06-25

申请号：US14413981

申请日：2013-07-18

Applicant: WHYLOT SAS

Inventor： Romain Ravaud ,  Robert Gaiani

IPC: H02K3/12 ,  H02K15/03 ,  H02K5/12

CPC classification number: H02K3/12 ,  H02K1/278 ,  H02K1/2793 ,  H02K5/12 ,  H02K15/03 ,  H02K15/0478 ,  H02K21/22 ,  H02K21/24 ,  Y10T29/49009

Abstract: The present invention relates to a winding (1) for a stator element of an electromagnetic motor or generator, and to the method for producing it. This winding (1) comprises at least two interwoven conductive limbs (10, 10′, 10″) each corresponding to a phase of an electric current, at least one limb (10, 10′, 10″) of the winding being rigid and a in single component.The invention also relates to a permanent-magnet electromagnetic motor or generator comprising such a winding (1). Such a motor or generator is preferably, but non-limitingly applicable under non-ambient temperature or pressure conditions.The invention also relates to a method for producing such a winding (1) from a blank of at least one material by material removal or by casting in a mold of at least one component material for each of the limbs (10, 10′, 10″).

Abstract translation: 本发明涉及一种用于电磁电动机或发电机的定子元件的绕组（1）及其制造方法。 该绕组（1）包括至少两个交织的导电臂（10,10'，10“），每个对应于电流的相位，所述绕组的至少一个臂（10,10'，10”）是刚性的， 一个单一组件。 本发明还涉及一种包括这种绕组（1）的永磁电磁电动机或发电机。 这样的电动机或发电机优选地在非环境温度或压力条件下是非限制性的。 本发明还涉及一种从至少一种材料的坯件通过材料去除或通过在模具中铸造用于每个肢体（10,10'，10）的至少一种组分材料来生产这种绕组（1）的方法 “）。

公开(公告)号：US20150162800A1

公开(公告)日：2015-06-11

申请号：US14413924

申请日：2013-07-12

Applicant: WHYLOT SAS

Inventor： Romain Ravaud ,  Jeremy Mech

IPC: H02K7/09

CPC classification number: H02K7/09 ,  F16C32/0497

Abstract: The invention relates to an actuator comprising two magnetic bearing motors. The actuator is characterized in that it comprises two magnetic bearing motors (I, Ibis), one extending from the other, said two bearing motors (I, Ibis) being offset angularly in relation to one another. The actuator is also characterized in that an active or passive stop (13) is disposed between the two bearing motors (I, Ibis), said stop (13) acting on the rotor (3, 3bis) and stator (4, 4bis) parts of each bearing motor (I, Ibis), a housing (10) being provided in the actuator between the first and second bearing motors (I, Ibis) for receiving the stop (13). The invention is suitable for use in the field of electric machines.

Abstract translation: 本发明涉及一种包括两个磁性轴承马达的致动器。 致动器的特征在于，它包括两个磁轴承电动机（I，Ibis），一个从另一个延伸出来，所述两个轴承电动机（I，Ibis）相对于彼此成角度地偏移。 致动器的特征还在于，主动或被动止动件（13）设置在两个轴承马达（I，Ibis）之间，所述止动件（13）作用在转子（3,3bis）和定子（4,41is）上 每个轴承马达（I，Ibis）上的一个壳体（10）设置在第一和第二轴承马达（I，Ibis）之间的致动器中，用于接收止挡件（13）。 本发明适用于电机领域。

公开(公告)号：US11387028B2

公开(公告)日：2022-07-12

申请号：US16769182

申请日：2019-01-18

Applicant: Whylot SAS

Inventor： Romain Ravaud ,  Loic Mayeur ,  Vasile Mihaila

IPC: H01F7/02 ,  H02K1/278 ,  H02K1/28

Abstract: A unitary magnet (1) that has an elongate shape including a first longitudinal portion (1a) having an outer contour with shapes (6) that are recessed in the direction of the inside of the unitary magnet (1), where the recessed shapes (6) extend over at least part of a length of the first portion (1a) and/or extending, over at least part of the perimeter of the unitary magnet, (1) transversely to a longitudinal axis of the unitary magnet near at least one longitudinal end of the unitary magnet (1).

公开(公告)号：US11211853B2

公开(公告)日：2021-12-28

申请号：US16769180

申请日：2019-01-07

Applicant: Whylot SAS

Inventor： Vasile Mihaila ,  Loic Mayeur ,  Romain Ravaud

IPC: H02K16/00 ,  H02K5/20 ,  H02K9/19 ,  H02K16/04 ,  H02K1/18 ,  H02K1/27 ,  H02K1/28 ,  H02K3/46 ,  H02K7/00 ,  H02K9/197

Abstract: A permanent-magnet synchronous motor or generator with at least one rotor (2) and at least one stator (3, 8). The motor includes two rotors (2), four stators (3, 8) and a cooling system (7, 7a). The cooling system includes three cooling circuits (7, 7a), i.e. two outer circuits (7) which are each accommodated in a longitudinal outer wall of a casing (8), adjacent to an outermost stator (3, 8), for cooling said outermost stator (3, 8), and an intermediate circuit (7a) located between the two innermost stators (3, 8) in the motor for simultaneously cooling said two stators (3, 8), the central shaft (5) being common to the two rotors (2) which are connected to the central shaft (5) by mechanical means.

公开(公告)号：US11128187B2

公开(公告)日：2021-09-21

申请号：US16494997

申请日：2018-03-20

Applicant: WHYLOT SAS

Inventor： Romain Ravaud ,  Loic Mayeur

IPC: H02K1/27 ,  H02K5/04 ,  H02K1/12 ,  H02K15/03 ,  H02K21/12 ,  H02K3/46 ,  H02K1/02 ,  H02K21/24 ,  H02K41/03 ,  H01F7/02 ,  H01F41/02 ,  H02K1/04 ,  H02K1/28 ,  H02K15/12 ,  H02K16/04 ,  H02K7/00

Abstract: A rotor for a motor or for a radial flux electromagnetic generator having a cylindrical support housing a plurality of magnets (4), characterised in that the cylindrical support comprises a cylindrical mesh (5a) having mesh elements each defining a recess (5) for a respective individual magnet (4), each recess (5) having internal dimensions that are just sufficient to allow the introduction of a individual magnet (4) in its interior while leaving a space between the recess (5) and the individual magnet (4) filled by a fibre-reinforced resin, the mesh (5a) being made from a fibre-reinforced insulating material, the rotor comprising a non-conductive composite layer coating the individual magnets (4) and the mesh (5a).