# US 2019/0170150 A1 · Magnetic Rotation Component

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- Number: US 2019/0170150 A1
- Document ID: US20190170150A1
- Status: Published application
- Kind: A1
- Application number: 16/307,130
- Filed: 2017-06-06
- Published: 2019-06-06
- Earliest claimed: 2016-06-06
- Assignees: Max Baermann GmbH
- Applicants: Max Baermann GmbH
- Inventors: Martin Zeitzheim
- Web page: https://patentgrep.com/patent/US20190170150A1

## CPC

- F04D 29/044: Arrangements for joining or assembling shafts
- F04D 13/06: the pump being electrically driven
- F04D 29/046: Bearings
- F16D 1/072: involving plastic deformation (plastic welding F16D1/068)
- H02K 1/28: Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K 7/003: {Couplings; Details of shafts (means for mounting rotors on shafts H02K1/28)}
- F04D: NON-POSITIVE-DISPLACEMENT PUMPS (engine fuel-injection pumps F02M; ion pumps H01J41/12; electrodynamic pumps H02K44/02)
- F16D: COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53})

## Abstract

The invention relates to a magnetic rotary component (1) comprising a magnetic component (4) that includes a permanent magnet, and a rotary component (5) that has an axis of rotation (r). In order to design the magnetic rotary component (1) in such a way that same has a simple structure and can be mounted easily and cost-effectively, the magnetic component (4) and the rotary component (5) are arranged so as to be fixedly connected to each other by means of a rim (6). The magnetic rotary component (1) can be designed as an impeller (2).

## Claims

### Claim 1

A magnetic rotation component (1) comprising:
a magnet component (4) with a permanent magnet;
a rotation component (5) with an axis of rotation (r); and
a flange (6), and
wherein the magnet component (4) and the rotation component (5) are arranged and connected securely together by the flange (6).

### Claim 2 (depends on 1)

The magnetic rotation component (1) according to claim 1, wherein the magnet component (4) and the rotation component (5) include in each case at least one in particular ring-shaped or ring segment-shaped flanged region (61), in which they are connected directly by crimping and/or by a flange part (62) which holds together the associated flanged regions (61) of the magnet component (4) and rotation component (5).

### Claim 3 (depends on 2)

The magnetic rotation component (1) according to claim 2, wherein the flanged regions (61) are associated with each other and are arranged interlocking in a hook-like manner for their connection by flange.

### Claim 4 (depends on 2)

The magnetic rotation component (1) according to claim 2, wherein the flange part (62) is formed in a ring-like or a ring-segment-like manner.

### Claim 5 (depends on 4)

The magnetic rotation component (1) according to claim 4, wherein the flange part (62) is formed as a flange ring (621) or a flange ring segment which clamps the flanged regions (61) together by engaging over them.

### Claim 6 (depends on 2)

The magnetic rotation component (1) according to claim 2, wherein the flanged regions (61) are arranged radially externally and/or radially internally to the magnet component (4) with respect to the axis of rotation (r).

### Claim 7 (depends on 1)

The magnetic rotation component (1) according to claim 1, wherein the magnet component (4) and/or the rotation component (5) are formed rotationally symmetrically and/or circularly symmetrically with respect to the axis of rotation (r).

### Claim 8 (depends on 1)

The magnetic rotation component (1) according to claim 1, further comprising an anti-twist device (7) for securing against relative twisting of the magnet component (4) and rotation component (5) about the axis of rotation (r).

### Claim 9 (depends on 8)

The magnetic rotation component (1) according to claim 8, wherein the anti-twist device (7) includes on either the magnet component (4) or the rotation component (5), a plurality of pins (71) arranged on a peripheral circle relative to the axis of rotation (r).

### Claim 10 (depends on 9)

The magnetic rotation component (1) according to claim 9, wherein the cutouts are formed in each case as blind cutouts (721), the pins, in a connection position in which the magnet component (4) is arranged connected to the rotation component (5) by the flange (6), being arranged lying on the base in the blind cutout (721).

### Claim 11 (depends on 10)

The magnetic rotation component (1) according to claim 10, wherein the magnet component (4) and the rotation component (5) in the connection position are arranged axially spaced apart by a gap (8) and under axial initial tension.

### Claim 12 (depends on 10)

The magnetic rotation component (1) according to claim 10, wherein the axial height (h) of the pins (71) is greater than the axial depth (t) of the respectively associated cutout (72).

### Claim 13 (depends on 1)

The magnetic rotation component (1) according to claim 1, wherein the magnet component (4) and/or the rotation component (5) are in each case formed in one piece.

### Claim 14 (depends on 1)

The magnetic rotation component (1) according to claim 1, wherein the magnet component (4) is formed as an injection-molded part, a pressed part or a sintered part in each case from plastics-bound permanent magnet particles.

### Claim 15 (depends on 1)

The magnetic rotation component (1) according to claim 1, wherein the magnetic rotation component is an impeller (2) for a liquid pump, the rotation component (5) includes a blade part (51) with a hollow shaft (53) for mounting on an axle or shaft.

### Claim 16 (depends on 1)

The magnetic rotation component (1) according to claim 1, wherein the magnetic rotation component is a torque magnet component (3) with the rotation component (5) having a bearing sleeve (54) for mounting on an axle or shaft and the magnet component (4) having a ring-like magnet.

### Claim 17 (depends on 1)

The magnetic rotation component (1) according to claim 1, wherein the magnetic rotation component is a pot magnet (31) with the rotation component (5) including a bearing sleeve (54) for mounting on an axle or shaft and the magnet component (4) including a disc-like magnet.

### Claim 18 (depends on 8)

The magnetic rotation component (1) according to claim 8, wherein the anti-twist device (7) includes on either the magnet component (4) or the rotation component (5), a plurality of pins (71) arranged on a peripheral circle relative to the axis of rotation (r) and peripherally equally spaced apart, which in each case engage axially in an associated cutout (72) provided on the other component (5, 4).

### Claim 19 (depends on 18)

The magnetic rotation component (1) according to claim 18, wherein the cutouts are formed in each case as blind cutouts (721), the pins, in a connection position in which the magnet component (4) is arranged connected to the rotation component (5) by the flange (6), being arranged lying on the base in the blind cutout (721).

### Claim 20 (depends on 19)

The magnetic rotation component (1) according to claim 19, wherein the magnet component (4) and rotation component (5) in the connection position are arranged axially spaced apart by a gap (8).
