Abstract: A system and method of determining a fault in two or more series switches of an electrical system. The electrical system includes, at least one AC power source, at least one sensor, at least two series switches, and a fault analysis module including a processor and a memory. The method includes applying, by the at least one AC power source, at least one time varying signal to the electrical system. The method further includes receiving, by the fault analysis module, at least one measurement, from the at least one sensor, of the at least one time varying signal, at least one node of the electrical system. The method further includes receiving, by the fault analysis module, at least one predetermined signal parameter and determining, by the fault analysis module, the presence of a fault, based on the at least one measurement and the at least one predetermined signal parameter.

Abstract: The present disclosure relates to a housing assembly with a printed circuit board, and to a method of fixing the printed circuit board in the housing assembly. An assembly comprises a first housing portion having a first retaining element extending upwards from a base of the first housing portion. A second housing portion has a second retaining element that extends downward from a cover of the second housing portion. A printed circuit board is attachable to an open end of the first retaining element. The open end of the first retaining element is adapted to receive a distal end of the second retaining element when the first housing portion engages with the second housing portion.

Abstract: A cell-contacting device for a battery module includes a cell-connector support fitted onto a plurality of storage-cell modules of the battery module and a cell-connector sheet. The cell-connector support has a snap-fit arrangement. The cell-connector sheet is mounted on or in the cell-connector support by the snap-fit arrangement in a form-fitting manner.

Abstract: An electrical switch comprises a coil assembly, an armature, and a contact assembly. The armature is rotatable about an axis of rotation and is driven by the coil assembly. The contact assembly has a contact spring directly connected to the armature.

Abstract: A crimp segment comprises a crimp barrel having a base and a pair of opposing side walls extending from the base. Each of the side walls is adapted to bend around a plurality of wires disposed in the crimp barrel and a pair of ends of the side walls engage with one another along a staggered seam.

Abstract: A contact pin for a plug connector includes a base body having a longitudinal axis and a surface, a first end adapted to be plugged into an opening of a pin strip of the plug connector, and at least four retaining elements molded on the base body. A first pair of retaining elements are arranged successively spaced apart along the longitudinal axis and a second pair of retaining elements are arranged oppositely at a same point along the longitudinal axis in a circumferential direction. The first pair of retaining elements are arranged in the circumferential direction at a first angle offset from one another. The first angle is smaller than 90°.

Abstract: An electrical contact for mating with a mating contact includes an aluminum body extending along a longitudinal axis and formed of an aluminum or an aluminum alloy, a contact zone disposed on a surface of the aluminum body and adapted to be electrically connected to a mating contact, and a contact spring connected to the aluminum body and having a contact region contacting the mating contact. The aluminum body has a connecting portion adapted to be connected to an aluminum conductor. The contact zone is formed from a material that is more creep-resistant than the aluminum body. The contact spring at least partially rests on the contact zone and is formed from a material that is harder than the aluminum body.

Abstract: A contact assembly for an electrical connector is provided and generally includes a plurality of first contact bodies and a plurality of second contact bodies. The plurality of first contact bodies include contact surfaces that provide a first contact plane. The plurality of second contact bodies include contact surfaces that provide a second contact plane that is spaced apart from and projecting beyond the first contact plane by a height. The plurality of second contact bodies are elastically deflectable to the first contact plane.

Abstract: A socket connector assembly is provided and includes a body, a socket connector and a force fit assembly. The socket connector is positioned in the body and includes a socket frame. The socket frame includes an upper side, a lower side positioned opposite the upper side, and a spring assembly connecting the upper side and lower side such that the upper side is moveable relative to the lower side along a height direction. The force fit assembly secures the body to the socket connector.

Abstract: A battery module includes a plurality of battery cells and a cover assembly coupled to the battery cells. The battery cells are arranged in a stacked configuration. The cover assembly includes a housing, bus bars, and a temperature monitoring assembly. The bus bars engage corresponding positive and negative cell terminals of the battery cells to electrically connect adjacent battery cells. The temperature monitoring assembly is mounted to and extends along a mounting surface of the cover assembly that faces the battery cells. The temperature monitoring assembly includes an electrical cable, a temperature sensing device mounted to and electrically connected to the electrical cable, and a thermally conductive interface member covering the temperature sensing device. The thermally conductive interface member engages at least one of the battery cells, and the temperature monitoring assembly monitors a temperature of that at least one battery cell.

Abstract: A method of attaching a contact element to a conductor plate includes welding the contact element to a conductive path of the conductor plate in a surface-mounted manner with a laser beam.

Abstract: A contact element for contacting a bipolar plate of a fuel cell stack includes a contact body extending along a longitudinal axis. The contact body has a channel extending along the longitudinal axis and delimited by a pair of channel walls disposed opposite one another in a direction transverse to the longitudinal axis. The channel is adapted to receive a portion of the bipolar plate. The contact body has a contact spring on a first channel wall of the pair of channel walls. The contact spring protrudes into the channel and has a cutting edge directed toward a second channel wall of the pair of channels walls and adapted to contact the bipolar plate.

Abstract: A cooling lance is provided to cool an electrically conductive contact body. The cooling lance includes a lance body, a fluid line extending through the lance body, and a flexible cooling bladder positioned on an end of the lance body and in fluidic communication with the fluid line.

Abstract: A microwave connector assembly comprises a waveguide ferrule having a receiving end receiving a dielectric waveguide, a connecting end distal to the receiving end, and a locking member, and a ferrule socket at least partially receiving the waveguide ferrule in a ferrule receptacle. The ferrule socket engages in a locking connection with the locking member. The ferrule socket has a coding member engaging a complementary coding member of the waveguide ferrule only when the waveguide ferrule is positioned relative to the ferrule socket in a single predetermined angular position or in one of two predetermined angular positions that are rotated by 180° with respect to each other.

Abstract: A connection assembly is provided and includes a first conductor, a second conductor and a friction stir welded connection connecting the first conductor and the second conductor, with the second conductor having a bundle of conductor wires. The friction stir welded connection is provided by a friction stir welding tool having a pin connecting a front side of the second conductor pressed onto the first conductor along a connecting direction between the first conductor and the second conductor.

Abstract: A method for coating a workpiece includes a step of applying a coating material to the workpiece and a step of friction welding the coating material to the workpiece.

Abstract: A method for detecting a relative position of a magnetic field source is disclosed. The method comprises the steps of detecting at least two magnetic field components of a magnetic field produced by a magnetic field source using a magnetic field sensor, determining a temperature effect compensation which compensates for a temperature effect on the magnetic field components, and establishing an output signal corresponding to the relative position of the magnetic field source based on a quotient of the magnetic field components, the temperature effect compensation, and an offset correction.

Abstract: A plug connector comprises a first plug, a second plug, and a securing device configured to mechanically secure the first plug to the second plug. The second plug has a receptacle with a ramp surface and a locking surface. The securing device has a lever pivotably mounted on the first plug. The lever pivotably bears a connecting element which has a securing cam on a free end of the connecting element. The receptacle of the second plug receives the securing cam and the ramp surface of the receptacle cooperates with the free end of the connecting element to forcibly guide the securing cam behind the locking surface of the receptacle when the first plug and the second plug are plugged together.

Abstract: A first contact device is adapted to fasten to a second contact device of a contact system. The first contact device includes a first contact housing having a first contact receptacle, an actuating unit adapted to be swiveled between a first position and a second position different from the first position, and a contact element arranged in the first contact receptacle and electrically connected to an earthing line. The first contact housing is connected to the actuating unit. The contact element has a contact spring arranged in the first contact receptacle in the first position and, in the second position, the actuating unit adjoins the contact spring. The contact spring is swiveled at least partially out of the first contact receptacle and contacts a shielding contact of the second contact device.

Abstract: A touch-proof contact arrangement includes a pin contact having a pair of sides and a free end and a contact protection formed of an electrically insulating material and covering the sides and the free end of the pin contact. The contact protection has a pair of legs and a connecting section connecting the legs. The sides of the pin contact are received in a pair of lateral recesses of the legs of the contact protection.