JP2019522458A5

JP2019522458A5 -

Info

Publication number: JP2019522458A5
Application number: JP2019523150A
Authority: JP
Filing date: 2017-07-14
Publication date: 2020-07-09
Anticipated expiration: 2037-07-14

Description

図１に示されるように、電気機械は、骨格２６と、ロータ５０及び５２間に配設された構造積層体アセンブリ５６と、を有する、ステータを備え、ロータ５０、５２は、電気機械の軸の周囲のステータに対する回転のために、軸受３２、３４上に装着されている。軸の近似位置は、図４においてＡとして識別される。ロータ５０、５２は、それぞれのエアギャップ５８によって、ステータから分離されている。図２に示されるように、ステータ構造積層体アセンブリ５６は、構造部材２４を備え得、各構造部材は、図２に示されるように、環状積層体３８、４０で形成され、各積層体３８、４０は、軸方向に延在する最小寸法を有する。各構造部材２４、及び対応する積層体は、開口又はスロット６０と、構造部材２４による磁気ポストの支持のための、スロット６０内に固定された（図４に示されるような）磁気ポスト３６と、を有する。スロット６０は、半径方向に延在する最長寸法、周方向に延在する中間寸法、及び軸方向に延在する深さを有し得る。図２に示されるように、１つ以上の電気的導体２０は、一連の整流された電磁極を生成するために、ポスト３６の周囲に配設されている。Ｍ極及びＮポストが存在し得、Ｎ及びＭの最大公約数は、３以上である。 As shown in FIG. 1, the electric machine comprises a stator having a skeleton 26 and a structural laminate assembly 56 disposed between the rotors 50 and 52, the rotors 50, 52 being the axes of the electric machine. Mounted on bearings 32, 34 for rotation relative to the stator about the. The approximate position of the axis is identified as A in FIG. The rotors 50, 52 are separated from the stator by respective air gaps 58. As shown in FIG. 2, the stator structural laminate assembly 56 may include structural members 24, each structural member being formed of an annular laminate 38, 40, as shown in FIG. , 40 has a minimum dimension that extends in the axial direction. Each structural member 24, and corresponding stack, includes an opening or slot 60 and a magnetic post 36 (as shown in FIG. 4) secured within the slot 60 for support of the magnetic post by the structural member 24. With. The slot 60 may have a longest dimension that extends radially, an intermediate dimension that extends circumferentially, and a depth that extends axially. As shown in FIG. 2, one or more electrical conductors 20 are disposed around the post 36 to produce a series of rectified electromagnetic poles. There can be M poles and N posts , and the greatest common divisor of N and M is 3 or more.

Claims

An electric machine,
A stator disposed between the rotors,
The rotor is mounted on bearings for rotation about the stator about the axis of the electric machine and the rotor is separated from the stator by respective air gaps,
The stator includes a structural member and a magnetic post , each structural member is formed of a laminated body, and the minimum dimension of each laminated body extends in the axial direction, and each laminated body has a current circuit around the magnetic post. A radial cut that serves as a barrier to completion of the stack, the radial cut of each stack being made from a post slot of the stack to an adjacent edge, the radial cut being defined by the post. Alternating on adjacent stacks between opposite sides of the slot,
Each structural member has a post slot , the magnetic post being secured within the post slot for support of the magnetic post by the structural member,
The electric machine is
Comprising one or more electrical conductors disposed around the post to produce a series of rectified electromagnetic poles,
Electric machine.

The electric machine according to claim 1, wherein there are M poles and N posts, and the greatest common divisor of N and M is 3 or more.

The electrical machine of claim 1 or 2, wherein each post includes eddy current reduction properties that include an electrically insulating laminate or powder.

The electric machine of claim 1 , wherein the post comprises a laminated ferrous material.

The electric machine of claim 1 , wherein the post comprises electrically insulating powdered material.

Further comprising a stator skeleton said structural member is attached, the electrical machine according to claim 1.

The electric machine of claim 6, wherein the structural members are axially spaced by ridges on the stator framework.

The electric machine of claim 6 , wherein the stator skeleton comprises a radially inner portion and a radially outer portion.

Said bearing, and a thrust bearing in the axial direction between the radial bearing, and said radially outer portion of the said rotor skeleton between the radially inner portion of the skeleton and the rotor, according to claim 8 The electric machine described in.

The structural member forms a chamber between the structural member, the post, a radially inner portion of the skeleton, and a radially outer portion of the skeleton, and a channel has the radially inner portion of the skeleton. 8. The electric machine of claim 7 , extending around the circumference of the chamber, the chamber and the channel in combination to form a cooling chamber in the stator.

It said radial notches, composed of blind slots, the electrical machine according to claim 1.

It said magnetic post are laminated, the electrical machine according to claim 1.

The electric machine according to claim 12 , wherein the magnetic post comprises a magnetic material.

The stacked magnetic posts extend axially outwardly on both sides of the structural member and pass through all the structural members, each post forming a magnetic dipole, and The electric machine according to claim 12 , wherein the axially opposed magnets of the rotor have opposite polarities.

It said structural member comprises a non-magnetic material, electrical machine according to claim 1.

The electric machine of claim 15 , wherein the stack of structural members comprises anodized aluminum.

The magnetic post has an enlarged central section that defines a respective shoulder, the respective shoulder engaging the structural member for axial movement of the magnetic post within the structural member. The electric machine of claim 1, which resists.