# US 2014/0152130 A1 · Control apparatus-integrated dynamoelectric machine

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- Number: US 2014/0152130 A1
- Document ID: US20140152130A1
- Status: Published application
- Kind: A1
- Application number: 13/864,903
- Filed: 2013-04-17
- Published: 2014-06-05
- Earliest claimed: 2012-12-04
- Assignees: Mitsubishi Electric Corporation
- Applicants: Mitsubishi Electric Corporation
- Inventors: Tomoaki SHIMANO; Masahiko FUJITA
- Web page: https://patentgrep.com/patent/US20140152130A1

## CPC

- H02K 5/225: {Terminal boxes or connection arrangements (specially adapted for submersible motors H02K5/132)}
- H02K 11/05: Rectifiers associated with casings, enclosures or brackets
- H02K 11/225: Detecting coils
- H02K 11/33: Drive circuits, e.g. power electronics (H02K11/38 takes precedence)
- H02K 3/505: {for large machine windings, e.g. bar windings (H02K3/51 takes precedence)}
- H02K 3/522: {for generally annular cores with salient poles}
- H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53})

## Abstract

Provided is a control apparatus-integrated dynamoelectric machine in which, when an abnormality is found in a control apparatus in a final fabrication step, the control apparatus with the abnormality can be easily replaced by a normal one. The control apparatus-integrated dynamoelectric machine includes: a generator-motor portion including: a rotary shaft rotatably supported by a bracket; a rotor; a stator; and a rotation sensor ; a control apparatus including: a DC-AC power interconverting circuit portion including: a power module for supplying AC power to a stator winding; and a field module for allowing a DC current to flow through a field winding; and a control circuit portion for controlling the DC-AC power interconverting circuit portion; and a connecting board provided outside of the bracket, for electrically connecting the control apparatus provided outside of the bracket and the generator-motor portion through a board terminal formed by insert molding.

## Claims

### Claim 1

A control apparatus-integrated dynamoelectric machine, comprising:
a generator-motor portion comprising:
a bracket;
a rotary shaft rotatably supported by the bracket;
a rotor fixedly provided to the rotary shaft inside the bracket;
a stator fixed to the bracket so as to surround the rotor; and
a rotation sensor comprising:
a sensor rotor fixed to the rotary shaft; and
a sensor stator surrounding the sensor rotor;
a control apparatus comprising:
a DC-AC power interconverting circuit portion comprising:
a power module for supplying AC power to a stator winding of the stator; and
a field module for allowing a DC current to flow through a field winding of the rotor; and
a control circuit portion for controlling the DC-AC power interconverting circuit portion; and
a connecting board provided outside of the bracket, for electrically connecting the control apparatus provided outside of the bracket and the generator-motor portion through a board terminal formed by insert molding.

### Claim 2 (depends on 1)

A control apparatus-integrated dynamoelectric machine according to claim 1, wherein:
the DC-AC power interconverting circuit portion comprises a case for housing the power module and the field module therein, the case being electrically connected to the power module and the field module through a case terminal formed by insert molding; and
the case terminal is electrically connected to the board terminal by a screw.

### Claim 3 (depends on 1)

A control apparatus-integrated dynamoelectric machine according to claim 1, wherein an outer diameter surface of a core portion of the sensor stator mounted to the control apparatus is fitted so as to be held in contact with an inner diameter surface of a projecting portion of the bracket, the projecting portion projecting in an axial direction of the bracket.

### Claim 4 (depends on 1)

A control apparatus-integrated dynamoelectric machine according to claim 1, wherein an inner diameter surface of a resin portion of the sensor stator mounted to the control apparatus is fitted so as to be held in contact with an outer diameter surface of a projecting portion of the bracket, the projecting portion projecting in an axial direction of the bracket.

### Claim 5 (depends on 3)

A control apparatus-integrated dynamoelectric machine according to claim 3, further comprising a guiding portion tapered toward the bracket, the guiding portion being provided on a surface of the core portion on the bracket side.

### Claim 6 (depends on 2)

A control apparatus-integrated dynamoelectric machine according to claim 2, wherein the case terminal and a terminal of the power module are connected at a connection portion by welding, whereas the board terminal and a lead wire of the stator winding are connected at a connection portion by welding.

### Claim 7 (depends on 1)

A control apparatus-integrated dynamoelectric machine according to claim 1, wherein the control apparatus-integrated dynamoelectric machine comprises a control apparatus-integrated dynamoelectric machine for a vehicle, for transmission and reception of a torque between the rotor and an internal combustion engine through an intermediation of a pulley fixed to an end of the rotary shaft, the end being on a side opposite to the control apparatus.