JP2016111917A5

JP2016111917A5 -

Info

Publication number: JP2016111917A5
Application number: JP2015212090A
Authority: JP
Filing date: 2015-10-28
Publication date: 2016-09-29
Anticipated expiration: 2035-10-28

Description

開示される発明のひとつにより、内燃機関用回転電機が提供される。内燃機関用回転電機は、内燃機関（１２）の回転軸に連結されるロータコア（２２）の内面に、界磁を提供する永久磁石（２３）が配置されたロータ（２１）と、内燃機関（１２）のボディ（１３）に固定されることによってロータの内側に配置され、永久磁石と対向する複数の磁極（３２ａ）を径方向外側に形成するステータコア（３２）を有するステータ（３１）と、ステータの径方向外側縁より径方向内側に配置され、ステータコアとボディとをステータの周方向に関して連結することにより、ボディに対する周方向に関するステータコアの位置を規定する周方向連結部（８１）とを備え、さらに、ステータコアに形成され、ステータをボディに固定するための固定ボルトを受け入れるための貫通穴（３２ｄ）を有し、周方向連結部が許容する周方向に関するステータコアの可動角度は、固定ボルトと貫通穴とが許容するステータコアの可動角度より小さいことを特徴とする。 According to one disclosed invention, a rotating electrical machine for an internal combustion engine is provided. A rotating electrical machine for an internal combustion engine includes a rotor (21) in which a permanent magnet (23) for providing a field is disposed on an inner surface of a rotor core (22) connected to a rotation shaft of the internal combustion engine (12), and an internal combustion engine ( A stator (31) having a stator core (32) which is arranged on the inner side of the rotor by being fixed to the body (13) of 12) and which forms a plurality of magnetic poles (32a) opposed to the permanent magnets on the radially outer side; A circumferential connecting portion (81) that is disposed radially inward from the radially outer edge of the stator and that defines the position of the stator core in the circumferential direction relative to the body by connecting the stator core and the body in the circumferential direction of the stator; And a through hole (32d) formed in the stator core for receiving a fixing bolt for fixing the stator to the body. Movable angle of the stator core in the circumferential direction of contents is characterized by movable angle smaller than the stator core in which the fixing bolt and the through holes are allowed.

この発明によると、周方向連結部によって、ステータコアの周方向に関する位置が規定される。周方向連結部は、ステータの径方向外側縁よりも径方向内側に配置されている。よって、ステータの影になる部分に周方向連結部が配置される。これにより、ステータの円形範囲内で、周方向に関するステータの位置を規定できる。
開示される発明のひとつにより、内燃機関用回転電機が提供される。内燃機関用回転電機は、内燃機関（１２）の回転軸に連結されるロータコア（２２）の内面に、界磁を提供する永久磁石（２３）が配置されたロータ（２１）と、内燃機関（１２）のボディ（１３）に固定されることによってロータの内側に配置され、永久磁石と対向する複数の磁極（３２ａ）を径方向外側に形成するステータコア（３２）を有するステータ（３１）と、ステータの径方向外側縁より径方向内側に配置され、ステータコアとボディとをステータの周方向に関して連結することにより、ボディに対する周方向に関するステータコアの位置を規定する周方向連結部（８１）とを備え、周方向連結部は、ボディに設けられたボディ穴（９２）とステータコアに設けられたコア穴（９３、９９３）とに挿入されたピン（９１）を有し、ステータの径方向におけるコア穴（９９３）の幅（ＲＷ）は、ステータの周方向におけるコア穴の幅（ＣＷ）より大きいことを特徴とする。 According to this invention, the position in the circumferential direction of the stator core is defined by the circumferential connecting portion. The circumferential direction connection part is arrange | positioned in the radial inside rather than the radial direction outer edge of a stator. Therefore, the circumferential direction connection part is arrange | positioned in the part which becomes a shadow of a stator. Thereby, the position of the stator in the circumferential direction can be defined within the circular range of the stator.
According to one disclosed invention, a rotating electrical machine for an internal combustion engine is provided. A rotating electrical machine for an internal combustion engine includes a rotor (21) in which a permanent magnet (23) for providing a field is disposed on an inner surface of a rotor core (22) connected to a rotation shaft of the internal combustion engine (12), and an internal combustion engine ( A stator (31) having a stator core (32) which is arranged on the inner side of the rotor by being fixed to the body (13) of 12) and which forms a plurality of magnetic poles (32a) opposed to the permanent magnets on the radially outer side; A circumferential connecting portion (81) that is disposed radially inward from the radially outer edge of the stator and that defines the position of the stator core in the circumferential direction relative to the body by connecting the stator core and the body in the circumferential direction of the stator; The circumferential connecting portion has a pin (91) inserted into a body hole (92) provided in the body and a core hole (93, 993) provided in the stator core. The width of the core hole (993) in the radial direction of the stator (RW) may be greater than the width of the core hole (CW) in the circumferential direction of the stator.

Claims

A rotor (21) in which a permanent magnet (23) for providing a field is disposed on an inner surface of a rotor core (22) connected to a rotating shaft of the internal combustion engine (12);
A stator core (32) that is disposed on the inner side of the rotor by being fixed to the body (13) of the internal combustion engine (12) and that forms a plurality of magnetic poles (32a) facing the permanent magnet on the radially outer side. A stator (31);
A circumferential connecting portion that is disposed radially inward from a radially outer edge of the stator and defines the position of the stator core with respect to the circumferential direction relative to the body by connecting the stator core and the body with respect to the circumferential direction of the stator. (81) and equipped with a,
And a through hole (32d) formed in the stator core for receiving a fixing bolt for fixing the stator to the body,
The rotating electrical machine for an internal combustion engine , wherein a movable angle of the stator core with respect to a circumferential direction allowed by the circumferential connecting portion is smaller than a movable angle of the stator core allowed by the fixing bolt and the through hole .

The circumferential connecting portion is
2. The internal combustion engine according to claim 1 , further comprising a pin (91) inserted into a body hole (92) provided in the body and a core hole (93, 993) provided in the stator core. Rotating electric machine.

The internal combustion engine rotation according to claim 2 , wherein a width (RW) of the core hole (993) in a radial direction of the stator is larger than a width (CW) of the core hole in a circumferential direction of the stator. Electric.

A rotor (21) in which a permanent magnet (23) for providing a field is disposed on an inner surface of a rotor core (22) connected to a rotating shaft of the internal combustion engine (12);
A stator core (32) that is disposed on the inner side of the rotor by being fixed to the body (13) of the internal combustion engine (12) and that forms a plurality of magnetic poles (32a) facing the permanent magnet on the radially outer side. A stator (31);
A circumferential connecting portion that is disposed radially inward from a radially outer edge of the stator and defines the position of the stator core with respect to the circumferential direction relative to the body by connecting the stator core and the body with respect to the circumferential direction of the stator. (81) and equipped with a,
The circumferential connecting portion is
A pin (91) inserted into a body hole (92) provided in the body and a core hole (93, 993) provided in the stator core;
The rotating electrical machine for an internal combustion engine , wherein a width (RW) of the core hole (993) in the radial direction of the stator is larger than a width (CW) of the core hole in the circumferential direction of the stator .

The rotating electrical machine for an internal combustion engine according to any one of claims 2 to 4, wherein the core hole is a non-through hole having a bottom in the axial direction of the stator.

Further, a radial connecting portion (71) that is disposed radially inward from the radially outer edge of the stator and defines the position of the stator core in the radial direction by connecting the stator core and the body with respect to the radial direction of the stator. The rotating electrical machine for an internal combustion engine according to any one of claims 1 to 5, further comprising:

The radial connecting portion is
An inner body portion (72a, 72b, 72c, 74a, 74b, 74c, 77) provided on one of the stator core and the body, and provided on the other of the stator core and the body; A cylindrical outer surface located opposite to the cylindrical inner surface is provided, and an axial protrusion (73a, 73b, 73c, 75a, 75b, 75c, 76) is inserted into the inner trunk. The rotating electrical machine for an internal combustion engine according to claim 6 .

The circumferential connecting portion is
A notch (83a, 83b, 83c, 87a, 87b, 87c, 88) formed in the axial protrusion and forming a first end face (84) at a circumferential end of the axial protrusion; and A radial direction that is provided in the inner body portion so as to protrude radially inward from the cylindrical inner surface, forms a second end surface (85) at a circumferential end portion, and is inserted into the notch portion. The rotating electrical machine for an internal combustion engine according to claim 7 , further comprising a protrusion (82a, 82b, 83c, 86a, 86b, 86c, 89).

The rotating electrical machine for an internal combustion engine according to claim 8 , wherein the notch and the radial protrusion are disposed asymmetrically with respect to a center of the stator.

10. The internal combustion engine according to claim 1, wherein the circumferential connecting portion is provided by directly engaging the stator core and the body at a concave portion and a convex portion. Rotary electrical machinery for engines.

The circumferential connecting portion is
The rotating electrical machine for an internal combustion engine according to any one of claims 1 to 10, further comprising a meshing portion that allows the stator core and the body to be connected at a single position in the circumferential direction of the stator.

The said stator is provided with the rotation position sensor (43) for outputting the signal for ignition control, when the said rotor exists in a predetermined | prescribed rotation position. Rotating electric machine for internal combustion engines.