Abstract: A method of manufacturing a wound insulator pipe, in particular for a high voltage insulator, having one or more ducts for conductors of any kind is provided. A laminate structure is achieved by winding a material onto a spindle and impregnating with a resin. Initially first layers of the material to be wound are applied; then at least one groove is made in the surface obtained and then the winding is completed until the final diameter is attained.

Abstract: An encapsulated installation, in particular a switching installation for high or medium voltage, includes a plurality of sensors located in an interior of an encapsulation. A central monitoring device is provided for information interchange with the surface acoustic wave sensors. An antenna element of the monitoring device is disposed at the encapsulation and is directed towards the interior. The sensors can be interrogated selectively.

Abstract: The invention relates to a compressed gas switch with two contact pieces, a contact element by-passing the contact pieces when in the on position, and two isolating distances connected to each other in series. The second contact piece opposing the first isolating distance is arranged axially by an annular piston to be displaceable forming a switching chamber. The switching chamber is separated from the heating chamber by a bulkhead partition having a current-dependent valve, and the second isolating distance is produced after opening of a blowing hole located between the second contact piece and the contact element.

Abstract: A method for producing a wound insulating conduit, in particular for a high-voltage insulator, with at least one empty channel for subsequent insertion of a conductor, e.g., an optical fiber. First layers of a material to be wound are applied first, then a molded body provided with at least one empty conduit is applied to a resulting surface and wrapped by additional layers. The molded body has lateral projections which extend over an entire length of the empty conduit and are designed so that they correspond to the surface to which it is secured.

Abstract: In a high-voltage outdoor switch including a housing and an interrupter unit arranged in it, two current transformers are arranged on the enclosure of the switch, one to each side of the intrrupter unit. It was previously to install current transformers separate from high-voltage outdoor switches. The construction complexity and the costs are reduced by the constructional combination of the switch with the current transformers.

Abstract: An enclosed high-voltage electric line having a high-voltage electric conductor (2) which is supported inside an enclosure (1) by one or more supporting elements (3, 4, 5), each with at least one insulator part (6, 7, 8). The conductor has at least one borehole (12, 13, 14) to accommodate one end of each supporting element (3, 4, 5). At least one supporting element has a metallic sleeve (9, 10, 11) that passes at least partially through the borehole, is supported in the area of the edge of the borehole, surrounds part of the insulator part and forms in its interior a stop (18) that limits displacement of the insulator part into the borehole.

Abstract: An encapsulated tubular conductor having at least two antenna elements disposed on the capsule thereof for maintaining therebetween wireless information transmission in a transmitting-receiving direction, and a transmitting-receiving device located outside the capsule and assigned to one of the antenna elements includes another transmitting/receiving device also disposed outside the capsule and assigned to the other of the antenna elements, the antenna elements being directed towards an interior space of the capsule, the interior space serving as a transfer path via which information is transferable between the transmitting-receiving devices.

Abstract: A method for detecting the position of a switching device and an encapsulated switching installation having at least one switching device. A transmitted signal is emitted into the interior of an encapsulation to make it possible to easily detect the position of a switching device in an encapsulated switching installation. A resultant reflection signal is received and stored. After a repetition of this process, the two received reflection signals are compared with one another. In the event of any discrepancy, a message signal is produced for the new switching state.

Abstract: A metalclad switchgear assembly for high or medium voltage, having a cladding, includes at least one sensor arranged in an interior space of the cladding for detecting a condition variable within the cladding, the sensor having an antenna; and a transmitting and receiving antenna directed towards the interior space, the transmitting and receiving antenna serving for performing a wireless information interchange with the sensor, and for simultaneously detecting electromagnetically partial discharges in the interior space.

Abstract: A safety belt fastening arrangement for an adjustable vehicle seat includes a latching element which can be latched in a latching rail affixed to the vehicle and which has a retaining part to receive, for example, a belt buckle for the safety belt. In its normal position, a deformation element assures that the latching element is kept out of engagement with the latching rail. When a predetermined safety-belt force is exceeded, the deformation element yields to permit the latching element to engage the latching rail so that the safety belt forces are transmitted directly into the vehicle body. The latching element is arranged behind a pivot point for the latching element toward the rear of the vehicle seat, permitting extremely short lever arms and very small clearances during the controlled engagement of the latching element with the latching rail. The deformation element is elastic and is retained in a retaining pocket fixed to the vehicle seat.

Abstract: A high-voltage measurement device for an electrical high-voltage switchboard plant having an measurement electrode built into an encapsulating housing, as well as an electrical conductor which conducts a measurement signal provided by the measurement electrode, connected with the electrode, and passed through the wall of the encapsulating housing in insulated manner. To protect operating personnel from high voltage which occurs at the conductor, the conductor is grounded by metal springs outside the encapsulating housing. These metal springs can be lifted up from the conductor if necessary, by means of activation elements. This is done, for example, by setting a switchboard housing onto a measurement housing which surrounds the conductor. If the switchboard housing is removed, the conductor is automatically grounded again by the metal springs. This high-voltage measurement device can be used for all types of gas-insulated high-voltage switchboard plants.

Abstract: In a grounding switch for an encased high-voltage switching system, the movable switching piece is moved by a rotating drive shaft. This drive shaft passes through the housing of the grounding switch. To design the contact elements that transfer the ground potential to the movable switching piece as simply as possible, the drive shaft consists of electrically conductive material. In addition, the drive shaft is insulated as it enters the housing. The drive shaft is also coupled with means to transfer the ground potential, e.g., a current strip, outside the housing. Thus, the drive shaft serves both to transfer force and to transfer potential. A switch blade is designed to be elastically deformable in part, and serves as the movable switching piece. This grounding switch for an encased, compressed-gas-insulated high-voltage switching system can also be used as an insulated grounding switch to carry out measurements.

Abstract: A gas-blast circuit-breaker having an actuated compression cylinder may include a reinforced actuation of the compression piston through the magnetic effect of the breaking current. A hollow-cylindrical body of ferromagnetic material concentrically surrounds a stationary contact member and is rigidly coupled to the compression cylinder. The hollow-cylindrical body has at least one slot in which a piston rod of the compression piston is guided. One section of the piston rod consists of ferromagnetic material. As soon as a small portion of this section enters into the slot, it is pulled into the slot by the magnetic effect of the breaking current. As a result, the compression piston is accelerated in a direction opposite the movement of the compression cylinder. Thus, the maximum quenching gas pressure is reached sooner than it would have been with a sole actuation of the compression cylinder. The gas-blast circuit breaker is intended to be used as a puffer circuit-breaker, in particular an SF.sub.

Abstract: In an isolating switch for metal-clad, compressed-gas insulated high-voltage switchgear, a mechanical control unit containing a rotatably supported lever arrangement. The lever arrangement locks automatically in a neutral position and retains an auxiliary contact pin until it is released by a guide surface connected to the main contact pin. A mating contact of the auxiliary contact pin is also spring-loaded and follows this auxiliary contact pin somewhat after being released, initially while maintaining the equipotential bonding.

Abstract: A metal-clad, compressed-gas insulated, high-voltage switching station with an insulated grounding switch. In the case of compressed-gas insulated, high-voltage switching stations, insulated grounding switches are also used for applying test voltages. Therefore, provided between the housing and the casing is an insulating ring, within which a conductor is embedded with a terminal lug which contacts the contact pin. In order to improve the insulation, the insulating ring reposes within a metallic ring, which acts as a prop ring and which receives the fixing agents. It is only interrupted by the terminal lug which is provided with an insulating enclosure. The insulating ring is thus largely relieved from mechanical stresses. Insulated grounding switches are used in the case of metal-clad, high-voltage switching stations which are insulated by SF.sub.6 compressed gas.

Abstract: In the case of the metal-clad, compressed gas insulated high voltage structures, housings (1,7), whose longitudinal axes are positioned at angles to each other, must often be interconnected by way of an intermediate part (8). Two facility abutting rings (19,20) which have holes (22,32,23,33) respectively on an inner (21) and an outer (31) reference circle and which are interconnected at the inner reference circle (21) to the flange (9,10) of the housing as well as at the outer reference circle (31), serve as the intermediate part (8). The hole spacings .beta..sub.i, .beta..sub.a of the holes on both reference circles are chosen to be different so that they are able to add up to 90.degree. or 60.degree. respectively. On one of the rings (20), the holes (32) on the outer reference circle (31) are designed as slots (32), whose length is determined by an ##EQU1## By means of the intermediate part (8), all angles .+-..alpha. which lie in the range of .+-.90.degree. or .+-.60.degree.

Abstract: As a rule, wheel-chairs have large(-diameter) drive wheels (3) and small(-diameter) steerable wheels (5), and wheel-chairs for indoor operation have their drive wheels as their rear wheels, while wheel-chairs for outdoor operation have their drive wheels (3) as front wheels. In the wheel-chair according to the invention, the seat assembly (6) is mounted for rotation about a vertical axis by means of a supporting column (14) above the chassis (1), such that, depending on the purpose of use of the wheel-chair, the large drive wheels are selectively disposed in the front or rear position with respect to the seat(ing) direction. In this way, the wheel-chair may be used both inddors and outdoors in an optimum manner. Additional positioning alernatives of the seat assembly, e.g. at .+-.90.degree. relative to the chassis, open to the user new possibilities of utilization.

Abstract: A compressed gas-insulated bus between a metal-enclosed, compressed gas-insulated high-voltage switching installation and a transformer. The compressed gas-insulated bus, with or without a compensator, serves to connect a transformer to a metal-enclosed, compressed gas-insulated high-voltage switching installation. Since the transformer must sometimes be replaced, the gas-insulated bus should provide an as large as possible, compensable tolerance zone for the position of the transformer connection. For this purpose, the transformer connection to the gas-insulated bus with a compensator is connected by means of a first rotary flange to one end of a Z- or U-shaped enclosed compressed gas-insulated bus connection member, the other end of the connection member being connected to the gas-insulated bus proper by means of a second rotary flange.

Abstract: A system for measuring electromagnetic radiation originating from the hemhere corresponding to a solid angle of 2.pi. is provided wherein a highly sensitive low-inertia detector is disposed below a transmissive dome and wherein the chopped light detection method is utilized. There are provided above the transmissive dome two similarly or differently designed modulators which are in the shape of dome segments and which are fitted into each other. At least one of the modulators rotates about their common vertical axis or the modulators may both rotate about the common vertical axis, either at the same or a different speed in the same direction or in opposite directions.

Abstract: An electromagnetic radiation detecting device comprises at least one radion detector for detecting electromagnetic radiation from a hemisphere, a radiation-transparent protective hood covering the or each detector, and a rotary chopper to alternately shield the or each detector and associated hood from arriving radiation and to expose the detector and hood to such radiation. The chopper comprises a carrier disc, which is rotatable about an axis parallel to a radiation-receiving area of the or each detector, and at least one hollow semicylindrical shielding member fixed at the periphery of the disc and curved in the axial direction of the semicylindrical shape. The or each shielding member is movable on a circular path by the disc to alternately shield and reveal the hood covering the or each detector.