Embodiments of a slip ring for use in a rotatable substrate support are provided herein. In some embodiments a slip ring includes a main body having a top wall, a bottom wall, and a sidewall extending between the top and bottom walls, wherein the top wall, bottom wall, and sidewall define an inner volume within the main body, wherein a central opening is formed through the top wall; a plurality of annular containers disposed within the inner volume and coaxially with the main body, wherein the plurality of annular containers are vertically spaced apart from one another, and wherein each of the plurality of annular containers contains a first volume of an electrically conductive liquid; an upper cylindrical body rotatably disposed in the central opening; a lower cylindrical body fixedly coupled to the lower wall of the main body.

Embodiments of a slip ring for use in a rotatable substrate support are provided herein. In some embodiments a slip ring includes a main body having a top wall, a bottom wall, and a sidewall extending between the top and bottom walls, wherein the top wall, bottom wall, and sidewall define an inner volume within the main body, wherein a central opening is formed through the top wall; a plurality of annular containers disposed within the inner volume and coaxially with the main body, wherein the plurality of annular containers are vertically spaced apart from one another, and wherein each of the plurality of annular containers contains a first volume of an electrically conductive liquid; an upper cylindrical body rotatably disposed in the central opening; a lower cylindrical body fixedly coupled to the lower wall of the main body.

A pinless connector for subsea data communications comprises contactless connectivity data transmitter coupler, comprising one or more first solid state contactless connectivity data transmitters, and contactless connectivity data receiver coupler, comprising one or more first solid state contactless connectivity data receivers, which can allow for rapid collection and/or download data from subsea vehicles or sensors without having to plug in an external connector or physically remove the data recorder from the unit. Typically, these are operative at a low power level, e.g. less than or around 50 milliwatts, at an extremely high data transfer rate or around 5 GBits/second. The connectors may be incorporated into a subsea system comprising two subsea devices. A slip ring system may similarly comprise one or more first solid state contactless connectivity data transmitters and one or more first solid state contactless connectivity data receivers.

A slip ring for use in a slip ring brush type rotation sensor device, includes a metal ring having an approximately cylindrical shape, and a resin ring that supports the metal ring. Slits extending in an axial direction are formed in respective side surfaces on outer peripheries of the metal and resin rings. The metal ring includes a common part formed on a side surface at one end along the axial direction of the approximately cylindrical shape and segmented by the slits into segments to form common regions, so that adjacent common regions are electrically connectable to each other, and a detection part formed on a side surface at the other end and segmented by the slits into segments to form conducting regions and isolated regions that are alternately provided with the slit interposed between adjacent conducting and isolated regions.

A slip ring for use in a slip ring brush type rotation sensor device, includes a metal ring having an approximately cylindrical shape, and a resin ring that supports the metal ring. Slits extending in an axial direction are formed in respective side surfaces on outer peripheries of the metal and resin rings. The metal ring includes a common part formed on a side surface at one end along the axial direction of the approximately cylindrical shape and segmented by the slits into segments to form common regions, so that adjacent common regions are electrically connectable to each other, and a detection part formed on a side surface at the other end and segmented by the slits into segments to form conducting regions and isolated regions that are alternately provided with the slit interposed between adjacent conducting and isolated regions.

Apparatus and methods are disclosed of a welding-type system includes a welding-type power supply configured to provide welding-type power. A reel located within a housing of the welding-type power supply. A welding-type cable, the reel configured to wind the welding-type cable to reduce a length of the welding-type cable extending from the housing, and to unwind to increase a length of the welding-type cable extending from the housing at least partially wound around the reel when stored. The welding-type cable includes a first end secured to the reel and electrically connected to the welding-type power supply and a second end configured to provide the welding-type power to at least one welding-type tool.

In order to prevent charging of a shaft of a rotor, the rotor of the rotating electric machine includes a slip ring device composed of: a pair of slip rings; a pair of connection conductors electrically connecting the respective slip rings and a rotor coil; and an insulation molded body holding the slip rings and the connection conductors. In the insulation molded body of the slip ring device, the pair of slip rings and the pair of connection conductors are embedded and held such that the brush sliding surfaces of the slip rings and the lead-out-wire-connection end portions of the connection conductors are exposed in the outer circumferential direction, and at least one of the negative-side slip ring and the negative-side connection conductor embedded and held in the insulation molded body has a protrusion extending toward the shaft and electrically connected to the shaft.

A bearing isolator and explosion-proof current diverting device may be configured to dissipate an electrical charge from a rotating piece of equipment to ground, such as from a motor shaft to a motor housing. One aspect of an explosion-proof current diverter ring may include a stator that may be mounted to the equipment housing and a rotor that may be mounted to a shaft. The rotor may rotate with the shaft. A conductive assembly may be positioned in a radial bore formed in the stator such that the conductive assembly contacts the rotor to conduct electricity from the shaft to the housing through the explosion-proof current diverting device. The explosion-proof current diverting device may be configured to define a flame path to achieve various explosion-proof certifications.

A bearing isolator and explosion-proof current diverting device may be configured to dissipate an electrical charge from a rotating piece of equipment to ground, such as from a motor shaft to a motor housing. One aspect of an explosion-proof current diverter ring may include a stator that may be mounted to the equipment housing and a rotor that may be mounted to a shaft. The rotor may rotate with the shaft. A conductive assembly may be positioned in a radial bore formed in the stator such that the conductive assembly contacts the rotor to conduct electricity from the shaft to the housing through the explosion-proof current diverting device. The explosion-proof current diverting device may be configured to define a flame path to achieve various explosion-proof certifications.

A slip ring apparatus including a ring assembly having a conductive ring with a conductive ring engagement surface, a contact assembly having a contact element with a contact element engagement surface for engaging with the conductive ring engagement surface, and a surface discontinuity provided in at least one of the conductive ring engagement surface and the contact element engagement surface. An apparatus including the slip ring apparatus, wherein the apparatus includes a housing having an interior and a shaft rotatably extending through the interior of the housing. A method for reducing the potential of a hydroplaning effect in a slip ring apparatus, including providing a surface discontinuity in at least one of a conductive ring engagement surface and a contact element engagement surface.