Moving magnet tilt actuator
AssigneeRaytheon Company
InventorsSteven C. Palomino, Mikhail Godkin
Life of this patent
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Abstract
A moving magnet voice coil actuator includes a bobbin that defines a non-straight opening for receiving a magnetic piece. The bobbin may be additively manufactured to a desired shape. The moving magnetic piece may be a curved piece that has a shape that corresponds to the shape of the opening. The magnetic piece may include a stack of magnets, which may be tapered, to allow limited tilting movement of the magnetic piece within the opening. The actuator may be part of a pair of actuators for tilting an object, for example a mirror, about a pivot point. The pair of actuators may be part of a system that includes an additional pair of actuators configured to tilt the object in a second direction that is different from the first direction.
Claims20
An actuator comprising:
- a moving magnetic piece;
- a bobbin defining a non-straight opening through which the moving magnetic piece moves;
- a first wire coil around a first length of the bobbin;
- and
- a second wire coil around a second length of the bobbin.
An actuator system comprising:
- a first actuator that includes:
- a moving magnetic piece;
- a bobbin defining a non-straight opening through which the moving magnetic piece moves;
- a first wire coil around a first length of the bobbin;
- and
- a second wire coil around a second length of the bobbin;
- and
- a second actuator.
An actuator system comprising:
- multiple actuators configured to tilt a mirror;
- wherein each of the actuators includes:
- a moving magnetic piece;
- a bobbin defining a non-straight opening through which the moving magnetic piece moves;
- a first wire coil around a first length of the bobbin;
- and
- a second wire coil around a second length of the bobbin.
Dependencies are inferred from the claim text.