# US 2014/0154114 A1 · Switched reluctance motor assembly and method of assembling the same

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- Number: US 2014/0154114 A1
- Document ID: US20140154114A1
- Status: Published application
- Kind: A1
- Application number: 13/794,648
- Filed: 2013-03-11
- Published: 2014-06-05
- Earliest claimed: 2012-11-30
- Assignees: Samsung Electro-Mechanics Co., Ltd.
- Applicants: Samsung Electro-Mechanics Co., Ltd.
- Inventors: Jin Su Seok; Jin Wook Baek; Hyun Taek Ahn; Young Bok Yoon
- Web page: https://patentgrep.com/patent/US20140154114A1

## CPC

- F04D 29/60: Mounting; Assembling; Disassembling {(F04D13/10 takes precedence)}
- F04D 25/026: {with a magnetic coupling}
- F04D 29/023: {especially adapted for elastic fluid pumps}
- F04D 29/626: {Mounting or removal of fans}
- F04D 29/662: {Balancing of rotors (compensating imbalance G01M1/36)}
- H02K 7/04: Balancing means
- H02K 9/06: with fans or impellers driven by the machine shaft
- F05D 2230/53: by integrally manufacturing a component, e.g. by milling from a billet or one piece construction
- F05D 2260/33: with a bayonet coupling
- Y10T 29/49236: Fluid pump or compressor making
- F04D: NON-POSITIVE-DISPLACEMENT PUMPS (engine fuel-injection pumps F02M; ion pumps H01J41/12; electrodynamic pumps H02K44/02)
- H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53})
- F05D: INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

Disclosed herein are a switched reluctance motor assembly and a method of assembling the same. The switched reluctance motor assembly includes: a shaft forming the center of rotation of a motor; a rotor part rotatably coupled on the shaft; a balancing part installed on upper and lower surfaces of the rotor part; and an impeller part installed on the balancing part, wherein the balancing part and the impeller part are formed integrally with or directly coupled to each other to prevent generation of unbalance at the time of attaching the impeller part, thereby making it possible to promote stable rotation.

## Claims

### Claim 1

A switched reluctance motor assembly comprising:
a shaft forming the center of rotation of a motor;
a rotor part rotatably coupled on the shaft;
a balancing part installed on upper and lower surfaces of the rotor part; and
an impeller part installed on the balancing part,
wherein the balancing part and the impeller part are formed integrally with each other.

### Claim 2

A switched reluctance motor assembly comprising:
a shaft forming the center of rotation of a motor;
a rotor part rotatably coupled on the shaft;
a balancing part installed on upper and lower surfaces of the rotor part; and
an impeller part coupled to the balancing part.

### Claim 3 (depends on 2)

The switched reluctance motor assembly as set forth in claim 2, further comprising:
coupling protrusions protruding on an upper surface of the balancing part; and
coupling grooves formed in a lower surface of the impeller part and having the coupling protrusions inserted thereinto.

### Claim 4 (depends on 2)

The switched reluctance motor assembly as set forth in claim 2, further comprising:
coupling pieces protruding on an upper surface of the balancing part; and
coupling grooves formed in a lower surface of the impeller part and having the coupling pieces inserted thereinto,
wherein the coupling piece is formed in a “U” shape and includes an elastic deformation plate of which an opened upper surface is directed toward the lower surface of the impeller part and catching protrusions protruding on an outer side of the elastic deformation plate.

### Claim 5 (depends on 2)

The switched reluctance motor assembly as set forth in claim 2, further comprising:
insertion grooves grooved in an upper surface of the balancing part;
through-holes formed in a lower surface of the impeller part; and
fixtures penetrating through the through-holes and then fixed to the insertion grooves.

### Claim 6 (depends on 3)

The switched reluctance motor assembly as set forth in claim 3, wherein the coupling groove includes a large diameter part into which the coupling protrusion is inserted and a small diameter part extended from the large diameter part and having a diameter smaller than that of the large diameter part,
the large diameter part and the small diameter part being continuously formed in a movement direction of the coupling protrusion.

### Claim 7 (depends on 1)

The switched reluctance motor assembly as set forth in claim 1, wherein the balancing part includes an upper balancing part positioned on the upper surface of the rotor part and a lower balancing part positioned on the lower surface of the rotor part.

### Claim 8 (depends on 1)

The switched reluctance motor assembly as set forth in claim 1, further comprising:
a housing part enclosing an outer side of the rotor part;
a diffuser part installed on a lower surface of the impeller part in the housing part;
a cover part coupled to an upper portion of the housing part in an axial direction;
an upper bearing positioned over the impeller part and installed on an inner surface of an upper portion of the cover part to support an upper end portion of the shaft; and
a lower bearing installed on a lower surface of a lower balancing part to support a lower end portion of the shaft.

### Claim 9 (depends on 1)

The switched reluctance motor assembly as set forth in claim 1, wherein the rotor part includes an annular rotor core and a plurality of rotor poles protruding outwardly from the rotor core.

### Claim 10 (depends on 9)

The switched reluctance motor assembly as set forth in claim 9, further comprising a stator part receiving the rotor part therein,
wherein the stator part includes a stator yoke receiving the rotor part therein and stator poles formed so as to correspond to the rotor poles and be spaced from the rotor poles and protruding inwardly of the stator yoke.

### Claim 11

A method of assembling a switched reluctance motor assembly, the method comprising:
assembling a rotor assembly including a shaft forming the center of rotation of a motor, a rotor part rotatably coupled on the shaft, and a balancing part installed on upper and lower surfaces of the rotor part and having coupling protrusions protruding on the upper surface thereof;
installing an impeller part on the balancing part of the rotor assembly and mounting the coupling protrusions of the balancing part into coupling grooves of the impeller part;
installing the rotor assembly in which the impeller part is installed in a housing part in which a diffuser part is mounted; and
installing a cover part on the housing part.
