公开(公告)号：US3614536A

公开(公告)日：1971-10-19

申请号：US3614536D

申请日：1970-07-13

Applicant: ASEA AB

Inventor： JOHANSSON BENGT ,  NILSSON ERLAND

IPC: H01T1/04 ,  H02H9/06

CPC classification number: H01T1/04

Abstract: A spark gap is formed between two discs of insulating material resistant to the arc and with a space therebetween. Two outer electrodes extend through the space between the discs from one side almost to the other periphery. These electrodes are insulated through most of their length on their outer faces. An intermediate electrode is arranged on the inner wall of the space facing the two outer electrodes and extending angularly a substantial distance around such inside wall. This electrode has a protrusion opposite the space between the outer electrode. The arcs are magnetically drawn into the portions of the space between the electrodes remote from the intermediate electrode and are there extinguished.

公开(公告)号：US3613442A

公开(公告)日：1971-10-19

申请号：US3613442D

申请日：1969-12-04

Applicant: ASEA AB

Inventor： BIELSTEN NILS OVE

IPC: G01L1/12 ,  G01L9/16 ,  H01L41/12 ,  G01L5/12

CPC classification number: G01L1/127 ,  G01L1/125 ,  Y10S73/02

Abstract: A MAGNETO-ELASTIC FORCE TRANSDUCER FORMED BY A LAMINATED CORE OF MAGNETO-STRICTIVE MATERIAL HAS APERTURES CONTAINING A FLUX GENERATING WINDING AND A MEASURING WINDING. THE CORE IS A BEAM FIXED AT ONE END, THE OTHER END HAVING ENGAGEMENT SURFACES FOR FORCES WHICH ARE EXERTED GENERALLY PERPENDICULAR TO THE LONGITUDINAL DIRECTION OF THE BEAM. THE APERTURES EXTEND PERPENDICULAR TO THE LONGITUDINAL DIRECTION OF THE BEAM AND OF THE FORCE OPERATING ON IT. THE PARTS OF THE CORE BETWEEN THE APERATURES HAVE A LONGITUDINAL DIRECTION WHICH SUBSTANTIALLY COINCIDES WITH THE DIRECTION OF THE MAIN STRESSES IN THE SHEARING STRESS FIELD. THE BEAM MAY BE PROVIDED WITH SLOTS OR THE OPENINGS MAY BE OF ENLARGED GENERALLY TRIANGULAR CROSS SECTION IN ORDER TO REDUCE THE STIFFNESS OF THE BEAM.

公开(公告)号：US3606286A

公开(公告)日：1971-09-20

申请号：US3606286D

申请日：1969-09-15

Applicant: ASEA AB

Inventor： LUNDSTROM HANS

IPC: B22F3/15 ,  F27B5/00

CPC classification number: B30B11/002 ,  B22F3/15

Abstract: A CYLINDRICAL FURNACE FOR TREATING MATERIAL AT HIGH TEMPERATURE IN A GASEOUS ATMOSPHERE UNDER HIGH PRESSURE INCLUDES A PRESSURE CHAMBER AND AN INSULATING HOLLOW BODY ARRANGED INSIDE THE PRESSURE CHAMBER WITH A SPACE THEREBETWEEN. THE INSULATING BODY INCLUDES A CYLINDRICAL SHEATH HAVING AN INSULATING LID AND BOTTOM SEALING ITS ENDS. A FURNACE CHAMBER IS ARRANGED WITHIN THE INSULATING HOLLOW BODY. CONNECTIONS ARE PROVIDED NEAR THE TOP AND BOTTOM OF THE FURNACE CHAMBER BETWEEN THE FURNACE CHAMBER AND THE SPACE. AN ARRANGEMENT IS ALSO PROVIDED FOR NORMALLY OBSTRUCTING THROUGH-FLOW THROUGH AT LEAST ONE OF THESE CONNECTIONS. THIS MEMBER CAN BE OPENED, FOR EXAMPLE BY MELTING A PART OF IT, BY A FLOW OF ELECTRICAL CURRENT OR DESTROYING SUCH A PART BY AN EXPLOSION, SO AS TO PERMIT GAS INFLUENCED BY PRESSURE DIFFERENCES DUE TO THE TEMPERATURE DIFFERENCE TO FLOW OUT OF THE FURNACE CHAMBER AND DOWN BETWEEN THE HOLLOW BODY AND THE WALL OF THE PRESSURE CHAMBER SO AS TO BE COOLED BY THE WALL OF THE PRESSURE CHAMBER.

公开(公告)号：US3604984A

公开(公告)日：1971-09-14

申请号：US3604984D

申请日：1969-12-22

Applicant: ASEA AB

Inventor： ANDREASSEN PER

IPC: H02B1/04 ,  H02B1/36 ,  H01R31/08

CPC classification number: H02B1/04 ,  H01R24/76 ,  H01R2107/00

Abstract: A system for assembling and connecting electrical apparatus such as relays, supervision panels, circuit cards and electrode connections, multipole contacts and the like includes cabinets having frameworks fixed or pivoted in them. Assembly frames attached to the framework carry a number of connection plinths, module determined in size, having holes arranged in pairs in rows to receive contact sockets from one side of the plinth and contact pins for direct engagement in the sockets from the other side. The pins are held in the sockets by connecting elements provided with resilient tongues arranged in recesses inside the plinth. The connection elements are common to a pair of holes, and are provided with openings in their legs which are engageable over projections on the contact pins.

公开(公告)号：US3604060A

公开(公告)日：1971-09-14

申请号：US3604060D

申请日：1969-11-06

Applicant: ASEA AB

Inventor： LUNDSTROM HANS

IPC: B22F3/04 ,  B22F5/12 ,  B29C43/10 ,  B30B11/00 ,  B30B5/02

CPC classification number: B29C43/10 ,  B29C2043/3628 ,  B29C2043/3652 ,  B29K2303/06 ,  B29L2023/00 ,  B30B11/001

Abstract: A press tool has an elongated mould cavity for the production of bodies by compression of powder enclosed in the mould cavity. The mould cavity is formed by an elastomeric sheath within a support cylinder arrangement which is mounted in a high pressure cylinder with a space therebetween. The interior of the support cylinder arrangement communicates through lateral openings with such space. The space, which is filled with pressure fluid, has a narrow part opposite the openings and a larger part in which a compression piston is slidable. An ejection mechanism is composed of a cylinder having an eccentric bore turnably mounted beneath the mould cavity with a piston projecting therefrom, the position of which is radially adjustably by turning the cylinder. The device is placed between two relatively movable press parts, one of which carries a member which projects into the mould cavity while the other engages the compression piston.

公开(公告)号：US3601681A

公开(公告)日：1971-08-24

申请号：US3601681D

申请日：1969-02-24

Applicant: ASEA AB

Inventor： BOKSJO CARL INGVAR

IPC: H02H7/125 ,  H02H7/127 ,  H02M7/06 ,  H02M7/12 ,  H02M1/18

CPC classification number: H02H7/127

Abstract: A converter is formed of a group of rectifiers arranged in series with reactors. A protection device is provided which includes a short-circuiting arrangement for the rectifiers. The reactors are provided with iron cores which are saturated at approximately 1 percent-10 percent of the short-circuiting current of the converter.

公开(公告)号：US3599076A

公开(公告)日：1971-08-10

申请号：US3599076D

申请日：1967-10-17

Applicant: ASEA AB

Inventor： BOKSJO CARL INGVAR ,  STACKEGARD HANS

IPC: H02H7/125 ,  H02J3/36 ,  H02M1/18 ,  H02H7/12

CPC classification number: H02J3/36 ,  H02H7/1257 ,  Y02E60/60

Abstract: A STATIC CONVERTER IS PROVIDED WITH SHORT-CIRCUITING MEANS ON BOTH THE DC AND AC SIDES, AND WITH MEANS TO OPERATE THE SHORTCIRCUITING MEANS AND TO DISCONNECT THE AC SIDE UPON AN INCREASE IN THE DC CURRENT ABOVE A PREDETERMINED VALUE; THE CURRENT SENSITIVE DEVICE OPERATES THE SHORT-CIRCUITING MEANS SUCCESSIVELY WITH LOW TIME DERIVATIVES OF THE DIRECT CURRENT AND SIMULTANEOUSLY WITH HIGHER TIME DERIVATIVES.

公开(公告)号：US3593242A

公开(公告)日：1971-07-13

申请号：US3593242D

申请日：1968-07-11

Applicant: ASEA AB

Inventor： ANDERSSON ARNE ,  KLEIN HANS ,  TJERNSTROM OVE ,  RONNEVIG CARL

IPC: H01F7/20 ,  H01F27/10 ,  H01F27/28 ,  H01F41/04

CPC classification number: H01F7/202 ,  Y10T29/49004

Abstract: A magnet coil for a particle accelerator is formed of a plurality of turns of a conductor each composed of two yokeshaped parts of conducting material containing a central metallic tube. The tube extends from each end of the parts. The parts are so positioned that the projecting tubes engage each other, where they are welded together. The inside tube is then tested. Conducting members are then placed around the tube in the gaps between the adjacent yoke-shaped parts and are welded to the conductor members. The whole unit is then embodied in insulation.

公开(公告)号：US3583204A

公开(公告)日：1971-06-08

申请号：US3583204D

申请日：1968-06-28

Applicant: ASEA AB

Inventor： NILSSON JAN

IPC: B21B39/08 ,  B21C23/00 ,  B21C25/02 ,  B21C3/00

CPC classification number: B21C23/007 ,  B21C25/02

Abstract: A die for band extrusion having a calibrating part, a conical inlet channel and an intermediate chisel-shaped part.

公开(公告)号：US3579083A

公开(公告)日：1971-05-18

申请号：US3579083D

申请日：1969-11-03

Applicant: ASEA AB

Inventor： BJORK LENNART

IPC: H02H7/127 ,  H02M1/18 ,  H02H7/10

CPC classification number: H02H7/127

Abstract: For protecting a rectifier unit including a control pulse amplifier composed of a monostable multivibrator and an OR-gate, the gate being controlled by control pulses to cause the amplifier to transmit a signal to the control electrode to render it conducting, a transformer in the conductor for the rectifier is provided which makes the control pulse amplifier operative to emit a control signal in response to a flow of current in the conductor produced by an external flashover occurring when the rectifier is not conducting.