Abstract: A pin connector with a seal assembly using a unique wet connect assembly. The pin connector is formed from a tubular having an upper tubular portion and a lower tubular portion. The lower tubular portion has an upper tubular body and a lower tubular body with a lower tubular body face. A first pin engages the wet connect assembly. The first pin has a first pin outer surface, which can be connected to the wet connect assembly.

Abstract: There are provided a flexible hose 6, a connection tube 7 in which one end is connected to the inner peripheral face of the flexible hose 6 from the end 10 of the flexible hose and another end is exposed outside of the flexible hose 6, and a mold resin 24 which fixes the flexible hose 6 and the connection tube 7 by being filled over from the outer peripheral face of the flexible hose 6 nearby the end of the flexible hose 6 to the outer peripheral face of the connection tube 7 which is exposed out of the flexible hose 6.

Abstract: A circulation heater has a tank with heater tubes located within. The heater tubes are mounted to a header plate, and each contains an electrical resistance heater wire. A standoff plate is mounted to an exterior side of the header plate. Standoff tubes are secured to the standoff plate, each of the standoff tubes registering with one of the heater elements and containing an electrical conductor. A standoff housing is mounted to the opposite ends of the standoff tubes. The electrical conductors in the standoff tubes extend into the standoff housing for connection to electrical power wiring. Detaching the standoff plate from the header plate allows the standoff housing, standoff plate and standoff tubes to be removed as a unit from the tank.

Abstract: An apparatus has a downhole tubular body having a bore with a central axis. An electrical conductor assembly is disposed within the bore of the tubular component, the assembly having a first end, a second end, a first conductor, and a second conductor electrically isolated from the first conductor. At least one end of the assembly has a polished mating surface which has an electrically conductive portion surrounded by a dielectric material. The electrically conductive portion is in electrical communication with the first conductor. The first and second ends of the electrical conductor assembly are substantially aligned to the central axis of the bore by stabilizing elements within the bore.

Abstract: A modular chemical handling apparatus has a first component coupled to a second component. The first component is retained proximate to the second component by a locking mechanism. Fluid conduit connection devices and/or electrical connection devices in the first component are coupled to corresponding conduit connection devices and/or electrical connection devices in the second component by couplers. At least one laterally sliding lock shaft is employed for coupling the first module to the second module and for decoupling the first module from the second module. In one embodiment, counterweights are used to maintain the sliding lock shaft and each of the connection devices in the fully coupled position.

Abstract: A downhole communication apparatus has a signal coupler disposed in an end of a downhole tubular component. The signal coupler has a transceiver portion and a conductor portion. A data conductor integrated into the downhole tubular component is operably connected at a junction to the conductor portion of the signal coupler. A peripheral electronic device is in communication with the conductor portion of the signal coupler, either through an electrical coil wrapped around at least part of the conductor portion of the signal coupler or direct electrical contact with the conductor portion of the signal coupler.

Abstract: An electronic device comprising a circuit board, a first connector, at least a signal wire and an adapter is provided. The first connector is disposed on the circuit board. The signal wire has a second connector. The adapter is used for connecting the first and the second connectors. The adapter includes a base and multiple guiding signs. The base has a first connecting portion and a second connecting portion. The first connecting portion is suitable for connecting with the first connector while the second connecting portion is suitable for connecting with the second connector. In addition, the guiding signs are located on the surface of the base. The electronic device is easy for assembly through the adapter.

Abstract: An efficient method of fabricating a high-quality heteroepitaxial microstructure having a smooth surface. The method includes detaching a layer from a base structure to provide a carrier substrate having a detached surface, and then forming a heteroepitaxial microstructure on the detached surface of the carrier substrate by depositing an epitaxial layer on the detached surface of a carrier substrate. Also included is a heteroepitaxial microstructure fabricated from such method.

Abstract: A data coupler for use in transmitting data between mechanical parts which have a common axis and which are in relatively close engagement. The parts are adjustable relative to the other along the common axis. The data coupler includes an elongate housing having a longitudinal axis extending parallel to the common axis of the parts and is slidable relative to the parts during adjustment of the parts. A data source A and a data receiver B are spaced apart lengthwise. An axially short solenoidal coil is provided at each of the data source A and the data receiver B.

Abstract: A data transmission apparatus having first and second electrical conductors is disclosed. The first and second electrical conductors are disposed within recesses of a first and second complementary surfaces that are magnetically conducting and electrically insulating. The first and second surfaces are in close proximity to each other. The first surface is translatable along the length of the second surface. The first and second electrical conductors are in electromagnetic communication and provide for the transmission of data or power from the first electrical conductor to the second electrical conductor as the first surface overlaps the second surface. The data transmission apparatus may be located in one or more downhole tools.

Abstract: A connector may include first and second connector portions movable between unmated and mated positions; first and second bladders carried by respective connector portions, and each having an end movable between a closed position and an open position; and an interlocking assembly including first and second portions carried by respective connector portions and being movable between a released position, permitting opposing ends of the bladders to move apart, and an interlocked position, holding the opposing ends of the bladders together. The interlocking assembly may hold the opposing ends of the bladders together as the opposing ends of the bladders move from the closed position to the open position and/or as the opposing ends of the bladders move from the open position to the closed position. Also, the interlocking assembly may provide a positive drawback between its first and second portions during movement from the interlocked position to the released position.

Abstract: A rod and tubing connection for coupling two or more joints of tubing sections comprises a plug and a socket. The plug has a plurality of splines and the socket has a plurality of receptacles adapted to receive the plurality of splines. The plurality of splines comprises a center spline and a plurality of outer splines configured to allow intermeshing with receptacle splines in a plurality of orientations. A coupling collar is used to secure the tubing joint. The plug is connected to the socket in a four-step process of: positioning the plug and socket in close proximity, aligning the spline and the receptacle, plugging the spline into the receptacle, and then securing the plug and socket together with the coupling collar. The tubing joint may also have a conduit containing a wire for transmitting power and data between the adjoined sections of tubing.

Abstract: A vacuum cleaner current-carrying hose connection system is disclosed having a female connection end on a first vacuum cleaner current-carrying hose adapted for receiving a male connection end on a second vacuum cleaner current-carrying hose. The male connection has at least two male receptor plugs configured for inserting into female receptor holes in the female connection end. A vacuum cleaner hose connection system is further disclosed having a male connection end that has at least two male receptor plugs for transmitting current, a female connection end having at least two female receptor holes for receiving the male receptor plugs, and the male and female connection ends being rotatably movable, about the longitudinal axis of at least one of the female connection end and the male connection end, between an unengaged position and an engaged position.

Abstract: The invention relates to a connecting element for efficiently connecting components and subassemblies with the most diverse configurations to wall, ceiling and floor surfaces of buildings or frames. The connecting element has two coupling halves (1a, 1b) that can be interconnected by jointing and can be fixed to components or subassemblies to be connected by fixing means. The coupling halves and the fixing means are proportioned to guarantee that the connected components or subassemblies maintain a predetermined mechanically stable state during the exertion of operational forces.

Abstract: A generally tubular drill string has a conductive path over a plurality of drill pipe section (10). Each drill pipe section has a first end and a second end, and a wall, and the first end has a first radial sealing surfaces (11) and the second end has a corresponding second radial surfaces (59), such that when the first or second end of one drill pipe section is engaged with the second or first end respectively of another drill pipe section, at least one seal is formed. The drill pipe includes at least one conductor (21) disposed inside it, this conductor being connected to a first contact means at the first end and a corresponding contact means at the second end of each drill pipe section. Ingress protection means (240) are provided to protect the contact means from ingress from inside or outside of the drill pipe section. The ingress protection means comprises a sealed volume surrounding the contact means.

Abstract: The invention is a seal system for a coaxial cable and is placed within the coaxial cable and its constituent components. A series of seal stacks including load ring components and elastomeric rings are placed on load bearing members within the coaxial cable sealing the annular space between the coaxial cable and an electrical contact passing there through. The coaxial cable is disposed within drilling components to transmit electrical signals between drilling components within a drill string. The seal system can be used in a variety of downhole components, such as sections of pipe in a drill string, drill collars, heavy weight drill pipe, and jars.

Abstract: A connector providing methods and apparatus for connecting two lengths of composite coiled tubing whereby the connector can be spooled with the tubing onto a reel. Embodiments of the connector include female and male housings which join together to create the coiled tubing connection providing mechanical and electrical or fiber optic connectivity between the two lengths of tubing. A connecting member on the male housing connectably engages the female housing. Splines on the male housing also align with corresponding flutes on the female housing. The female and male housings each attach to end portions of coiled tubing through a clamped connection and with the housings and connecting member being substantially flush with the outside diameter of the coiled tubing.

Abstract: The present invention is directed to a rotary joint that includes a power slip ring and an electric signal slip ring, both for passing electricity between a stator and a rotor The system includes a plurality of slip rings (21,31) and a plurality of circumferentially extending fluid flow annular passages (12, 13, 14) formed in axially aligned relaation between the stator and the rotor. Water passages are constituted by some of the annual passages (12,13) and one of the annular passages (14), typically the lowest one, is used an air passage for air under pressure or an air-filled drain so that water leakage can be absorbed into the air passage or drain and does not penetrate into the region of the slip rings. The slip ring (21) with collector rings (22) is used for power and slip rings (31) are used for signals. Water passages are constituted by the annular passages, other than one of the annular passages located towards the power slip ring and the electric signal slip ring.

Abstract: The invention relates to a connector pair (1,2), for detachably connecting two cable ends (3,4), cords, optical fibers or hoses, which will not disconnect when a pulling force is applied to a cable. For that purpose the first connector (1) is provided with at least one male coupling part (5a, 5b) and a second connector (2) is provided with at least one female coupling part (6a,6b) which are positioned in relation to the two ends in such a manner that an angle between a cable end, cord, optical fiber or hose and a pointing direction of a corresponding coupling part is an acute angle.

Abstract: A robust transmission element for transmitting information between downhole tools, such as sections of drill pipe, in the presence of hostile environmental conditions, such as heat, dirt, rocks, mud, fluids, lubricants, and the like. The transmission element maintains reliable connectivity between transmission elements, thereby providing an uninterrupted flow of information between drill string components. A transmission element is mounted within a recess proximate a mating surface of a downhole drilling component, such as a section of drill pipe. To close gaps present between transmission elements, transmission elements may be biased with a “spring force,” urging them closer together.

Abstract: A wellhead assembly has an electrical connector that has a movable inner member carried in a tubing hanger for stroking outward into engagement with an stationary outer component located in a passage in the sidewall of the wellhead or tree. A running tool releasably engages the tubing hanger and has an actuator that moves axially for setting the tubing hanger in the bore. The inner member of the electrical connection is movable in response to axial movement of the actuator of the running tool from a retracted position to an extended position in electrical engagement with the inner end of the outer member.

Abstract: The present invention relates to the connections between respiratory humidifiers and/or other such devices and heated breathing conduits used to couple a patient to the humidifier. In particular, the invention is a connector to couple a gases supply means and a conduit, such that the connector causes there to be an electrical and pneumatic, that is, sealed connection between a conduit including an electrical wire extending within, throughout or about it and a gases supply device, such as a humidifier, blower or the like. The connector may be of a single port type or a dual port type. The dual port type connector is suitable for ventilator apparatus that have a dry line (dry breathing conduit) extending from a ventilator or blower that carries dry gas to a humidifier and an inspiratory limb that extends from the humidifier to the patient and carries humidified gases to the patient.

Abstract: An electrical contact system for transmitting information across tool joints while minimizing signal reflections that occur at the tool joints includes a first electrical contact comprising an annular resilient material. An annular conductor is embedded within the annular resilient material and has a surface exposed from the annular resilient material. A second electrical contact is provided that is substantially equal to the first electrical contact. Likewise, the second electrical contact has an annular resilient material and an annular conductor. The two electrical contacts configured to contact one another such that the annular conductors of each come into physical contact. The annular resilient materials of each electrical contact each have dielectric characteristics and dimensions that are adjusted to provide desired impedance to the electrical contacts.

Abstract: A control device having a base which is provided with one or more component mounting areas. On each component mounting area there is a first electrical central interface connected with an internal electrical bus. On each component mounting area an electrical connection module or an electrically controlled fluid control module may be selectively mounted, which respectively has a second central interface complementary to the first electrical central interface. The fluid control module is provided with a valve means, which is controlled by signals supplied by means of the internal electrical bus. The connection modules are provided with inputs and/or outputs for the connection of electrical cables.

Abstract: An electrical connector includes at least one body having a passageway for a flow of a conductive fluid. A first conductive pin is in fluid communication with the passageway, and a second conductive pin is in fluid communication with the passageway, wherein a conductive path is established through the conductive ink between the first and conductive pins when the conductive fluid flows through the passageway.

Abstract: A robust transmission element for transmitting information between downhole tools, such as sections of drill pipe, in the presence of hostile environmental conditions, such as heat, dirt, rocks, mud, fluids, lubricants, and the like. The transmission element maintains reliable connectivity between transmission elements, thereby providing an uninterrupted flow of information between drill string components. A transmission element is mounted within a recess proximate a mating surface of a downhole drilling component, such as a section of drill pipe. To close gaps present between transmission elements, transmission elements may be biased with a “spring force,” urging them closer together.

Abstract: A subassembly for installing in a housing (2) comprises a supporting plate (4) on which a plug-in connector (5) is mounted as a separate part. Said plug-in connector (5) extends through a connector opening in the housing. A base section (5a) of the plug-in connector (5) is introduced into a receptacle of the supporting plate (13), which allows for the movement play of the plug-in connector (5) in the plane of the supporting plate (4) that is required for installation.

Abstract: A connection member for flexible plastic fluid lines (11), whose wall contains at least electrical line strand (13). A female socket (15) for the plastic line (11) is connected with an inner fluid duct (28) in the connection member (10). The female socket (15) possesses a coupling means (22) for electrical connection with the at least one electrical line strand (13) in the plastic line (11). At least one connection cable (29) mounted to the side on the connection member (10) connects a sensor arrangement (30), which is arranged on an end of the cable remote from the connection member (10) electrically with the coupling means (22).

Abstract: A control device having a base which is provided with one or more component mounting areas. On each component mounting area there is a first electrical central interface connected with an internal electrical bus. On each component mounting area an electrical connection module or an electrically controlled fluid control module may be selectively mounted, which respectively has a second central interface complementary to the first electrical central interface. The fluid control module is provided with a valve means, which is controlled by signals supplied by means of the internal electrical bus. The connection modules are provided with inputs and/or outputs for the connection of electrical cables.

Abstract: A connector for a fluid line defines therein a fluid duct and whose wall has at least one signal conductor for the transmission of electrical and/or optical signals. The connector comprises a plug socket for the fluid line, a holding device for holding the fluid line in the mounted condition thereof and at least one signal switch contact for producing a connection with the at least one signal conductor. The at the plug socket the fluid line is provided with a guide means for angularly aligned arrangement of the fluid line, such guide means being able to be introduced into the at least one fluid duct and in the case of such introduction it slides along at least one angular encoding means arranged in the at least one fluid duct so that the fluid duct is able to be brought into a predetermined angular position prior to contact being made between the at least one signal switch contact and the at least one signal conductor.

Abstract: A motor assembly has electrical connectors between them that are shielded from any metallic debris generated in the motors. The motor assembly includes upper and lower motors, each having an adapter coupled together. Each adapter has a wire passage for each phase of the motor. Wires from the motors join electrical connectors, the electrical connectors being mounted to insulators in the adapter passages. A debris seal locates above the upper electrical connector in each upper adapter passage. Another debris seal locates between the overlapping portions of the two insulators of each adapter passage.

Abstract: A wet connect/disconnect arrangement is disclosed for a downhole system that allows installation of various tools and/or a string and subsequent electrical connection to the downhole system in a wet environment. Several embodiments are disclosed, all of which produce a clean, reliable connection. Exemplary embodiments include an upper section being mechanically and electrically joined to an intermediate section with electrical connectors for being joined at a lower section. The intermediate section further has auxiliary connectors that may be protected by a cover and remain unmated in a first connected application being therefore available for future use. The upper section may be removed leaving the intermediate section in place whereby the unmated connectors are available to rejoin a new upper section. Different types of connectors are also disclosed.

Abstract: An electrically conductive quick connector housing is matable with a conductive male endform. A contact member is carried in the housing to provide a secure electrical connection between the male endform and the housing. In one aspect, the contact member is in the form of at least one projection integrally formed with the housing and extending radially inward into a bore in the housing for engagement with the male endform. In another aspect, the contact member is in the form of at least one longitudinally extending finger projecting unitarily into the bore in the housing. The finger engages the outer diameter of the male endform when the male endform is inserted into the housing.

Abstract: A vacuum unit cleaner hose having a hose (1), a connection sleeve (4), and a rear connection part (4a) of the sleeve (4) partially engaging into the hose (1) and exhibiting an axial slot (4b) starting from a rearward end of the rear connection part (4a). Electrical conductors (3) are led out of the front section of the rear connection part (4a), wherein the hose (1) does not cover the front section of the rear connection part (4a). A protective envelope (2) for the electric conductors (3) is attached at the inner wall of the hose (1). Flanks of the rear connection part (4a) transition into the projection (4c) formed for the receiving of a coordinated end of the protective envelope (2) as well as closed at the front end. An axial slot (4b) is formed in the connection sleeve (4).

Abstract: A vacuum cleaner hose with a connection sleeve includes a hose (1) having an inner wall, a protective envelope (2) for electrical conductors (3) attached at an inner wall of the hose (1), a rear connection part (4a) formed at a connection sleeve (4) and engaging partially into the hose (1), a receiver (4b) extending from the rearward end of the connection sleeve (4) and formed for an insertion of a coordinated end of the protective envelope (2), wherein an end of the receiver (4b) is disposed opposite to an end for insertion and is closed. The receiver (4b) is formed as a tube molded to the inner jacket face of the rear connection part (4). The tube exhibits a first recess (4d) directed rearwardly from the closed end of the tube.

Abstract: This invention relates to a fluid and electrical coupling for coupling a vehicle to a service port such that a fluid and electricity is transferable therebetween. The coupling includes a plug having a pair of opposed major surfaces, a fluid exchange interface on one of the major surfaces, and an electricity exchange interface on the other major surface. The coupling also includes a receptacle having an opening for receiving the plug, a fluid exchange interface facing the plug fluid exchange interface when the plug is coupled to the receptacle, and an electricity exchange interface facing the plug electricity exchange interface when the plug is coupled to the receptacle.

Abstract: An Electrical Insulating Joint (EIJ) for a pipe-in-pipe electrically heated pipeline is provided. A ceramic disk under compressive load and dielectrics in an annulus provide electrical isolation and mechanical strength. An insulative liner extends around the ceramic disk to provide electrical isolation when materials other than hydrocarbons pass through the EIJ. The insulative liner may be extended through a knee joint. Pressure ports may be used to monitor fluid leaks and a built-in transformer may be used to monitor electrical leakage current.

Abstract: A combined connector assembly provided for quick, secure fluid and electrical connection includes a socket assembly and plug assembly. The socket assembly can be supported on various structures as a wall outlet or an appliance attachment by means of an adapter assembly. Interlocking means are incorporated with electrical contacts between socket and plug assemblies so that the fluid and electrical connection between the socket and plug assemblies can be quickly and securely established, eliminating the risk of accidental detachment of the plug assembly from the socket assembly. Seals and covers are provided to prevent fluid leakage from the assembly in both connected and disconnected positions. The combined connector assembly of the present invention can be advantageously used to connect an appliance to a water supply and drain system which pumps water to and removes water under vacuum from the appliance through a single hose in a pre-programmed manner.

Abstract: The present invention relates to the connections between respiratory humidifiers and/or other such devices and heated breathing conduits used to couple a patient to the humidifier. In particular, the invention is a connector to couple a gases supply means and a conduit, such that the connector causes there to be an electrical and pneumatic, that is, sealed connection between a conduit including an electrical wire extending within, throughout or about it and a gases supply device, such as a humidifier, blower or the like. The connector may be of a single port type or a dual port type. The dual port type connector is suitable for ventilator apparatus that have a dry line (dry breathing conduit) extending from a ventilator or blower that carries dry gas to a humidifier and an inspiratory limb that extends from the humidifier to the patient and carries humidified gases to the patient.

Abstract: A wet connect/disconnect arrangement is disclosed for a downhole system that allows installation of various tools and/or a string and subsequent electrical connection to the downhole system in a wet environment. Several embodiments are disclosed, all of which produce a clean, reliable connection.

Abstract: Apparatuses, devices, systems and methods for detecting access disconnection are provided. The present invention includes electrical contacts in fluid and electrical communication with a fluid passing between a patient and a medical system during therapy. In this regard, the present invention can use a direct-contact measurement to detect access disconnection, such as dislodgment of an access device from the patient through which fluid can flow during therapy including, for example, medication delivery, dialysis therapy and the like.

Abstract: A well tool assembly interconnection method is provided. In a described embodiment, a continuous tubing string has connectors positioned corresponding to desired locations for tool assemblies in a well. The tubing string is wrapped on a reel and transported to a well. As the tubing string is deployed from the reel into the well, the tool assemblies are interconnected between the connectors.

Abstract: A power cable adapter for use with a welding torch assembly to electrically couple the power cable in the cable carrying line with the power output stud on the welding machine and communicate the cable carrying line with a fluid supply line for the passage of fluid therethrough. The adapter includes a pair of clam shell type clamp members formed of an electrically conductive material. The clamp members define aligned apertures therein for securing the adapter on the output stud and at least one of the clamp members defines an open channel extending laterally thereacross for adjustably securing an electrically conductive U-shaped tube in electrical contact with the clamp members. Connector fittings are provided on the ends of the tube for communication with the torch lines, allowing the torch lines to extend to and from the adapter in a parallel orientation at any desired angular orientation from the welding machine.

Abstract: This invention relates to a fluid and electrical coupling for coupling a vehicle to a service port such that a fluid and electricity is transferable therebetween. The coupling includes a plug having a pair of opposed major surfaces, a fluid exchange interface on one of the major surfaces, and an electricity exchange interface on the other major surface. The coupling also includes a receptacle having an opening for receiving the plug, a fluid exchange interface facing the plug fluid exchange interface when the plug is coupled to the receptacle, and an electricity exchange interface facing the plug electricity exchange interface when the plug is coupled to the receptacle.

Abstract: The invention relates to a connection assembly for conduits (3, 4; 7, 8) which are arranged coaxially inside one another and which accommodate the supply flow and return flow of a cryogenic medium. Said assembly comprises a first and a second coupling half (1, 2) which can be connected to one another in a sealed manner, whereby an inner conduit (4; 8) in each coupling half (1, 2) ends in a first conical sealing surface (9; 10) and an external conduit (3; 7) in each coupling half (1, 2), which encompasses the inner conduit (4; 8), ends in an additional conical sealing surface (11; 12) that is positioned outside the first conical sealing surface (9; 10) in the radial direction. In order to establish an electrical connection simply and reliably, at least one electrical contact (18, 20) is provided within the additional conical sealing surface (11; 12) in each coupling half (1, 2).

Abstract: A connector for a fluid line defines therein a fluid duct and whose wall has at least one signal conductor for the transmission of electrical and/or optical signals. The connector comprises a plug socket for the fluid line, a holding device for holding the fluid line in the mounted condition thereof and at least one signal switch contact for producing a connection with the at least one signal conductor. The at the plug socket the fluid line is provided with a guide means for angularly aligned arrangement of the fluid line, such guide means being able to be introduced into the at least one fluid duct and in the case of such introduction it slides along at least one angular encoding means arranged in the at least one fluid duct so that the fluid duct is able to be brought into a predetermined angular position prior to contact being made between the at least one signal switch contact and the at least one signal conductor.

Abstract: A quick disconnect for use in a plasma arc torch is provided that comprises a plug housing and a mating socket housing, wherein a locking ring disposed around the plug housing secures the plug housing to the socket housing. A negative lead gas carrying pin is disposed within the plug housing, and a mating main power socket is disposed within the socket housing for the purpose of conducting both gas and electricity from a power supply to a plasma arc torch. Further, the negative lead gas carrying pin and mating main power socket are positioned off-center in order to provide additional volume for a plurality of signal conductors disposed within each housing, along with a pilot return conductor. Additionally, both the plug housing and the socket housing define a D-configuration in order to properly align the housings and conductors disposed therein, among other novel features of the present invention.

Abstract: A quick disconnect for use in a plasma arc torch is provided wherein a plurality of connections disposed therein are configured such that the connections break in a specific order when the quick disconnect is disengaged. Preferably, the quick disconnect comprises a plurality of signal pin connections, a pilot return connection, a fluid connection, and a main power connection. Accordingly, the signal pin connections break before the pilot return connection, the fluid connection, and the main power connection. Further, the pilot return connection breaks before the fluid connection and the main power connection, and the fluid connection breaks before the main power connection as the quick disconnect is disengaged. As a result, a safer quick disconnect in which both gas and electric power are conducted is provided by the present invention.

Abstract: An underwater or severe environment electrical connector, in which first and second connector parts are brought together in longitudinal alignment to establish electrical contact between respective contact portions of the first and second connector parts. The connector parts are relatively rotatable about a longitudinal axis when the connector parts are disconnected, and the contact portions are laterally spaced from the longitudinal axis and arranged to make electrical contact when the connector parts are connected, irrespective of the relative rotational positions of the first and second connector parts about the longitudinal axis.

Abstract: A vacuum unit cleaner hose having a hose (1), a connection sleeve (4), and a rear connection part (4a) of the sleeve (4) partially engaging into the hose (1) and exhibiting an axial slot (4b) starting from a rearward end of the rear connection part (4a). Electrical conductors (3) are led out of the front section of the rear connection part (4a), wherein the hose (1) does not cover the front section of the rear connection part (4a). A protective envelope (2) for the electric conductors (3) is attached at the inner wall of the hose (1). Flanks of the rear connection part (4a) transition into the projection (4c) formed for the receiving of a coordinated end of the protective envelope (2) as well as closed at the front end. An axial slot (4b) is formed in the connection sleeve (4).