A domestic appliance, in particular a beverage dispenser machine, with a beverage pump having at least one pole sleeve for conducting a magnetic flux generated by a magnetic actuator, wherein the pole sleeve has, along a main flow direction of the liquid, a substantially changing magnetic permeability, wherein the pole sleeve has a reduced magnetic permeability in an axial edge region.

A domestic appliance, in particular a beverage dispenser machine, with a beverage pump having at least one pole sleeve for conducting a magnetic flux generated by a magnetic actuator, wherein the pole sleeve has, along a main flow direction of the liquid, a substantially changing magnetic permeability, wherein the pole sleeve has a reduced magnetic permeability in an axial edge region.

The invention relates to an optical device for reducing speckle noise of laser light having a first optical element extending along an extension plane, and an actuator designed for moving the first optical element along the extension plane. The actuator is formed as a reluctance actuator that is designed to exert a reluctance force on the first optical element to move the first optical element along the extension plane.

The invention relates to an optical device for reducing speckle noise of laser light having a first optical element extending along an extension plane, and an actuator designed for moving the first optical element along the extension plane. The actuator is formed as a reluctance actuator that is designed to exert a reluctance force on the first optical element to move the first optical element along the extension plane.

A solenoid assembly includes a solenoid actuator having a core. A coil is configured to be wound at least partially around the core such that a magnetic flux () is generated when an electric current flows through the coil. An armature is configured to be movable based on the magnetic flux (). A controller has a processor and tangible, non-transitory memory on which is recorded instructions for controlling the solenoid assembly. The controller is configured to obtain a plurality of model matrices, a coil current (i.sub.1) and an eddy current (i.sub.2). The magnetic flux () is obtained based at least partially on a third model matrix (C.sub.0), the coil current (i.sub.1) and the eddy current (i.sub.2). Operation of the solenoid actuator is controlled based at least partially on the magnetic flux (). In one example, the solenoid actuator is an injector.

A solenoid assembly includes a solenoid actuator having a core. A coil is configured to be wound at least partially around the core such that a magnetic flux () is generated when an electric current flows through the coil. An armature is configured to be movable based on the magnetic flux (). A controller has a processor and tangible, non-transitory memory on which is recorded instructions for controlling the solenoid assembly. The controller is configured to obtain a plurality of model matrices, a coil current (i.sub.1) and an eddy current (i.sub.2). The magnetic flux () is obtained based at least partially on a third model matrix (C.sub.0), the coil current (i.sub.1) and the eddy current (i.sub.2). Operation of the solenoid actuator is controlled based at least partially on the magnetic flux (). In one example, the solenoid actuator is an injector.

An assembly configured to generate a propulsive force through a plurality of magnets. The assembly includes a rod having a center disk comprised of non-magnetic materials and configured to receive an electromagnet and a plurality of coaxial magnetic disks configured for selective movement about the rod when a magnetic field is generated by the electromagnet.

An assembly configured to generate a propulsive force through a plurality of magnets. The assembly includes a rod having a center disk comprised of non-magnetic materials and configured to receive an electromagnet and a plurality of coaxial magnetic disks configured for selective movement about the rod when a magnetic field is generated by the electromagnet.

A vibration generating device including a fixed case including a tube extending in a first direction; a coil attached inside the tube; a movable body arranged inside the coil and including a magnetic field generator configured to generate a magnetic field toward the coil; and a support member interposed between the fixed case and the movable body and supporting the movable body inside the coil such that the movable body is configured to vibrate in the first direction. The fixed case includes a first fixed case member including a first outer cylinder and an inner cylinder extending from the first outer cylinder along the first direction, and a second fixed case member including a second outer cylinder attached to an end of the first outer cylinder to cover the inner cylinder. The coil is wound around the inner cylinder and covered by the second outer cylinder.

A vibration generating device including a fixed case including a tube extending in a first direction; a coil attached inside the tube; a movable body arranged inside the coil and including a magnetic field generator configured to generate a magnetic field toward the coil; and a support member interposed between the fixed case and the movable body and supporting the movable body inside the coil such that the movable body is configured to vibrate in the first direction. The fixed case includes a first fixed case member including a first outer cylinder and an inner cylinder extending from the first outer cylinder along the first direction, and a second fixed case member including a second outer cylinder attached to an end of the first outer cylinder to cover the inner cylinder. The coil is wound around the inner cylinder and covered by the second outer cylinder.