# US 10,483,825 B2 · Rotary actuator

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- Number: US 10,483,825 B2
- Document ID: US10483825B2
- Status: Granted
- Kind: B2
- Application number: 15/189,142
- Filed: 2016-06-22
- Published: 2016-12-29
- Granted: 2019-11-19
- Earliest claimed: 2015-06-24
- Assignees: CTS Corporation
- Applicants: CTS Corporation
- Inventors: Derek L. Crites; Douglas E. Cors; David A. Kolberg; Andy Rutten
- Web page: https://patentgrep.com/patent/US10483825B2

## CPC

- H02K 7/116: with gears
- H02K 5/04: Casings or enclosures characterised by the shape, form or construction thereof
- H02K 5/225: {Terminal boxes or connection arrangements (specially adapted for submersible motors H02K5/132)}
- H02K 11/215: Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
- H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53})

## Abstract

A rotary actuator includes a connector housing with a hollow tube, a separate motor housing clipped to one side of the connector housing, and a separate gear and sensor housing clipped to an opposed side of the connector housing. At least a first gear and a first gear carrier are located within the interior of the hollow tube. A motor shaft extends from the motor through the connector housing into the tube and into engagement with the first gear. A sensor is seated on an exterior surface of the hollow tube and a magnet is housed in the interior of the first gear carrier. The sensor is adapted to change changes in the magnetic field generated by the magnet in response to movement of the magnet.

## Claims

### Claim 1

A rotary actuator comprising:
a connector housing including a frame;
a separate motor housing secured and extending outwardly from a first side of the frame of the connector housing and defining an interior adapted to house a motor; and
a separate gear and sensor housing secured and extending outwardly from a second side of the frame of the connector housing opposed to the first side of the frame of the connector housing and defining an interior adapted to house a plurality of gears, a sensor, and an output shaft; and
clips on the respective motor housing and the gear and sensor housing for securing the motor housing and the gear and sensor housing to the frame of the connector housing.

### Claim 2 (depends on 1)

The rotary actuator of claim 1 further comprising a hollow tube in the interior of the gear and sensor housing, the sensor being seated on the tube and the plurality of gears being located in the interior of the tube.

### Claim 3

A rotary actuator comprising:
a connector housing including a frame;
a separate motor housing secured and extending outwardly from a first side of the frame of the connector housing and defining an interior adapted to house a motor; and
a separate gear and sensor housing secured and extending outwardly from a second side of the frame of the connector housing opposed to the first side of the frame of the connector housing and defining an interior adapted to house a plurality of gears, a sensor, and an output shaft;
wherein the connector housing includes a hollow tube extending outwardly from the second side of the frame of the connector housing and into the interior of the gear and sensor housing and the sensor is seated on the tube of the connector housing and the plurality of gears are located in the interior of the tube of the connector housing.

### Claim 4

A rotary actuator comprising:
a connector housing including a frame;
a separate motor housing secured and extending outwardly from a first side of the frame of the connector housing and defining an interior adapted to house a motor; and
a separate gear and sensor housing secured and extending outwardly from a second side of the frame of the connector housing opposed to the first side of the frame of the connector housing and defining an interior adapted to house a plurality of gears, a sensor, and an output shaft; and
wherein the plurality of gears comprises first and second sets of gears mounted on first and second gear carriers respectively, the second gear carrier also defining an interior adapted to receive a magnet.

### Claim 5 (depends on 4)

The rotary actuator of claim 4 further comprising an internal drive arm located in the aperture defined in the second carrier.

### Claim 6 (depends on 5)

The rotary actuator of claim 5 wherein the internal drive arm includes a plurality of arms adapted to be located in respective grooves defined in the second gear carrier.