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1. 发明申请

WO2022268593A1 A PULSE WIDTH MODULATION SYSTEM AND A METHOD IN RELATION THERETO 审中-公开
公开(公告)号：WO2022268593A1
公开(公告)日：2022-12-29
申请号：PCT/EP2022/066257
申请日：2022-06-15
申请人： BOMBARDIER TRANSPORTATION GMBH
发明人： BOHLIN, Henrik , CHRISTENSSON, Åke , LODESTEN, Lucas , TROSTÉN, Torbjörn
IPC分类号： H02M1/08 , G06F1/04 , H02M7/537 , H02M1/0043 , H02M1/36 , H02M7/5387
摘要： A pulse width modulation system (2) comprising a plurality of module building blocks (41-44), where each building block is connected to and controlled by a control board (61- 64), each module building block comprises a set of function modules (81-85), provided with pulse width modulated phase outputs (101-105) adapted to be connected to predetermined loads, and wherein each module building block (41-44) is connected to a direct current (DC) link, and that the control boards (61-64) are connected to each other via a communication bus (12). One of the control boards is a master control board (61) and the others are slave control boards (62, 63, 64), the master control board (61) comprises a master board timer (141) configured to generate a clock signal having a master timer rate, wherein each of the slave control boards (62, 63, 64) comprises a slave board timer (142, 143, 144). Each slave control board (62, 63, 64) is configured to determine a fictive master board timer based upon timer information received from said master control board (61) via said communication bus (12), and is further configured to synchronize the timer rate of the slave board timer (142, 143, 144) to the master timer rate. The timer information also comprises timer offset information defining a time offset between the master board timer (141) and the slave board timer (142, 143, 144), and the slave control board (62, 63, 64) is configured to apply the time offset in the control of the pulse width modulated phase outputs (101-105), such that the position of a slave pulse width modulated phase output signal is controlled in relation to the fictive master board timer.

2. 发明申请

WO2023061811A1 WIRE-HANDLING MACHINE 审中-公开
公开(公告)号：WO2023061811A1
公开(公告)日：2023-04-20
申请号：PCT/EP2022/077617
申请日：2022-10-05
申请人： SUND BIRSTA AB
发明人： NILSSON, Lennart
IPC分类号： B21C47/26
摘要： A wire-handling machine (2) for receiving a series of preformed loops of wire (4) and for accumulating said loops of wire in order to form an upright coil of wire, comprising an essentially horizontal conveyor arrangement (6) to convey a rolled wire arranged in the form of overlapping loops of wire from a wire providing member (8) to at least one upwardly open wire-handling chamber (10). The conveyor arrangement (6) comprises a first conveyor part (12), a second conveyor part (14), and a third conveyor part (16). The control unit (18) is configured to initiate and perform a wire cutting procedure comprising to: -stop movement of conveyor on the second conveyor part (18) such that the loops of wire (4) is stationary in relation to the second conveyor part (18), and start moving the second conveyor part (18) in a direction towards a second position P2 by a velocity corresponding to a second velocity; -during movement of the second conveyor part (14) and when the loops of wire are stationary in relation to the second conveyor part (14), perform wire cutting of the wire at the forward end (20) of the second conveyor part (14) by a cutting device (22), and then -move the second conveyor part (14) in a direction towards a first position P1 and control the velocity of the conveyor of the second conveyor part (14) such that the loops of wire (4) are moved by essentially the same velocity as on the first and third conveyor parts (12, 16).

3. 发明申请

WO2023041598A1 AN INK RESERVOIR AND DOCTOR BLADE ASSEMBLY 审中-公开
公开(公告)号：WO2023041598A1
公开(公告)日：2023-03-23
申请号：PCT/EP2022/075555
申请日：2022-09-14
申请人： PRIMEBLADE SWEDEN AB
发明人： BARTEK, Kaplan
IPC分类号： B41F9/06 , B41F31/02 , B41F31/04 , B41F31/06 , B41F31/20 , B41F5/24
摘要： The invention provides a combination of an ink reservoir and doctor blade assembly (2) and a rotatable cylinder (3) for a printing press, which form a chamber for containing ink, - wherein the ink reservoir and doctor blade assembly (2) comprises a sealing assembly (203) for sealing an axial end of the chamber, or sealing a sub-chamber of the chamber from another sub-chamber of the chamber, - wherein the sealing assembly (203) comprises a seal (2031) presenting a seal contour (SC) to sealingly engage a circumferential surface of the cylinder (3), and a flexible biasing device (2032) forming one or more cavities (2041-2043), and being arranged to receive a pressurized fluid in the one or more cavities (2041-2043), for biasing the seal (2031) into sealing engagement with the cylinder (3), - wherein the combination is arranged according to one or both of the following alternatives (a) and (b): - (a): in an axis perpendicular plane, which is perpendicular to the rotational axis of the cylinder (3) and coincides with a cross-section of the biasing device, the biasing device (2032) has a peak (2032P) or a summit (2032S) which is located within an extension (EXTSC) of the seal contour (SC) along a reference plane (RP) which coincides with the rotational axis of the cylinder (3) and which is perpendicular to a seal location plane (SLP) which coincides with the rotational axis of the cylinder (3) and a circumferential mid-point of the seal contour (SC), - (b): the biasing device presents one or more surfaces which extend, in the axis perpendicular plane, in parallel with the seal location plane (SLP), and which face at least partly away from the seal location plane (SLP), and/or one or more surfaces which face partly away from the reference plane (RP), and the seal (2031) covers any such surface.

4. 发明申请

WO2023025589A1 An energy system comprising a mechanical vapor compression (MVC/MVR) subsystem and a method for converting of energy 审中-公开
公开(公告)号：WO2023025589A1
公开(公告)日：2023-03-02
申请号：PCT/EP2022/072393
申请日：2022-08-10
申请人： AQUAFAIR AB
发明人： ÅHRSTRÖM, Bert-Olof , CARLMAN, Fredrik
IPC分类号： F01K17/04 , B01D1/28
摘要： An energy system (1, 1', 1") comprising a mechanical vapor compression (MVC/MVR) subsystem (3) is disclosed. The MVC/MVR subsystem (3) is arranged to receive a liquid and is arranged to produce compressed vapor from the liquid and to heat the liquid being received, wherein the MVR-subsystem (3) is arranged as a closed loop vapor MVR- subsystem arranged to reuse the produced vapor. The energy system (1, 1', 1")) comprises an energy subsystem (5, 5', 5") connected to the MVC/MVR- subsystem (3) and arranged to convert energy in a branched portion of the compressed vapor and/or in at least a portion of the liquid being heated into cooling by a cooling apparatus (11) comprised by the energy subsystem (5, 5', 5") and/or to generate electricity by an electric apparatus (13) comprised by the energy subsystem (5, 5', 5"). A method for converting of energy is also disclosed.

5. 发明申请

WO2022268594A1 A VOLTAGE SOURCE CONVERTER AND A METHOD FOR OPERATION THEREOF 审中-公开
公开(公告)号：WO2022268594A1
公开(公告)日：2022-12-29
申请号：PCT/EP2022/066259
申请日：2022-06-15
申请人： BOMBARDIER TRANSPORTATION GMBH
发明人： VELANDER, Erik , JANSSON, Magnus , HOLMBERG, Johnny
IPC分类号： H02M1/08 , H02M1/32 , H02M7/219 , H02M7/5387 , H03K17/081 , H03K17/0812 , H03K17/082 , H02M1/325 , H02M7/53873 , H03K2217/0027
摘要： A voltage source converter comprises at least two half bridges (15) each having two current valves (21, 22) connected in series and configured to be connected to opposite poles (6, 7) of a DC source/load. Each half bridge has a gate drive unit (32) configured to control a semiconductor device of a current valve each to turn on and off. Each gate drive unit (32) includes an arrangement (36) configured to carry out voltage measurements for providing a value of the DC voltage between said opposite poles (6, 7). Each said arrangement comprises a voltage divider (37) connected across the two current valves of the respective half bridge so as to measure the entire DC voltage between the opposite poles and each voltage divider has an output connected to processing parts (38) delivering a digital signal representing a value of the DC voltage between the poles. At least two gate drive units (32) are configured to send a said digital signal to a calculating unit (54) configured to carry out a quality estimation of these digital signals and to calculate a said DC voltage value from these signals while giving each signal a weight corresponding to the quality value adhered thereto and then forming a weighted average value.

6. 发明申请

WO2022255924A1 STEADY REST, MACHINING TOOL COMPRISING SUCH A STEADY REST AND USE OF SUCH A STEADY REST 审中-公开
公开(公告)号：WO2022255924A1
公开(公告)日：2022-12-08
申请号：PCT/SE2022/050521
申请日：2022-05-30
申请人： ATLINGS MASKINFABRIK AB
发明人： OLSSON, Hannes , LARSSON, Martin
IPC分类号： B23Q1/76 , B23B13/12 , B23Q3/10 , B24B41/06
摘要： The invention relates to a steady rest (1) for supporting an elongated workpiece (2), comprising a middle arm (4) moveable in its axial direction by a power means and two pivotally movable outer arms (5, 6). An arrangement provides a separate driving connection for the outer arms (5, 6) with the middle arm (4) by acting on a lever (5c, 6c) of each outer arm for pivoting the outer arms towards the workpiece. The arrangement comprises for each driving connection two rollers (9a, 9b, 10a, 10b) arranged on a lateral extension (11a, 11b) of the middle arm (4) and configured to roll on a respective cam (12a, 12b, 13a, 13b) arranged on the lever (5c, 6c) of the respective outer arm. The invention also relates to a machining tool provided with such a steady rest and use of such a steady rest.

7. 发明申请

WO2023075660A1 FLAT WIRE AND METHOD FOR PRODUCTION THEREOF 审中-公开
公开(公告)号：WO2023075660A1
公开(公告)日：2023-05-04
申请号：PCT/SE2022/050964
申请日：2022-10-21
申请人： SUZUKI GARPHYTTAN AB
发明人： FORSMAN, Oskar , HELMFRIDSSON, Ola
IPC分类号： C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/24 , C21D8/06 , C21D9/52
摘要： A flat wire (3) and a saw blade (1) obtainable from the flat wire (3) are disclosed. The flat wire (3) is made of a steel comprising 0.45 - 0.70 wt.-% of C, 1.2 - 2.5 wt.-% of Si, 0.2 - 1.1 wt.-% of Mn, 0.5 - 1.4 wt.-% of Cr, 0.05 - 0.40 wt.-% of V, 0.05 - 0.40 wt.-% of Mo, 0.05 - 0.40 wt.-% of W, optionally up to 0.4 wt-% of Ni, optionally up to 0.003 wt.-% of Ti, optionally up to 0.05 wt.-% of Nb, balance Fe and unavoidable impurities.

8. 发明申请

WO2023059255A1 PRESS MOLDING METHOD OF A CUP SHAPED FIBER PRODUCT, A FIBER PRESS MOULD AND A CUP SHAPED FIBER PRODUCT 审中-公开
公开(公告)号：WO2023059255A1
公开(公告)日：2023-04-13
申请号：PCT/SE2022/050896
申请日：2022-10-06
申请人： BLUE OCEAN CLOSURES AB
发明人： SANDBERG, Lars
IPC分类号： D21J3/10 , B27N5/02 , B29C43/14 , B29C51/08 , B29C51/30 , B31B50/59 , B31F1/00 , B65D1/46
摘要： This invention relates to a press molding method of a fiber product, at high pressure and high temperature, by means of a press pad device (2) and a stamp device (3,4), wherein said fiber product (1) comprises a bottom part (11), side walls (12) and an edge part (10), wherein said stamp device (3,4) comprising two stamp members (3,4), wherein a first stamp member (3) forms at least said bottom part (11) and a second stamp member (4) forms said edge part (10). This invention also relates to fiber press mould (2,3,4) and a fiber product (1).

9. 发明申请

WO2022268592A1 PULSE WIDTH MODULATION SYSTEM PROVIDED WITH SYNCHRONIZED CONTROL BOARDS 审中-公开
公开(公告)号：WO2022268592A1
公开(公告)日：2022-12-29
申请号：PCT/EP2022/066256
申请日：2022-06-15
申请人： BOMBARDIER TRANSPORTATION GMBH
发明人： GALIC, Johann , BERGMAN, Magnus , TROSTÉN, Torbjörn , JOHANSSON, Mikael H.
IPC分类号： H02M7/5387 , H02M1/14 , H02M1/00 , H02M1/0041 , H02M1/0043 , H02M1/0074 , H02M7/53873
摘要： A pulse width modulation (PWM) system (2) comprising a plurality of module building blocks (41-44), where each building block is connected to and controlled by a control board (61-64), each module building block comprises a set of function modules (81-85), provided with pulse width modulated phase outputs (101-105) adapted to be connected to predetermined loads. Each module building block (41-44) is connected to a direct current (DC) link, and that the control boards (61-64) are connected to each other via a communication bus (12), one of the control boards is a master control board (61) and the others are slave control boards (62, 63, 64). Each slave control board (62, 63, 64) is configured to determine a fictive master board timer based upon timer information received via said communication bus (12), and is further configured to synchronize the timer rate of a slave board timer (142, 143, 144) to a timer rate of the master control board, or of an external timer rate. The timer information further comprises interlacing angle information defining an interlacing point for each of the control boards receiving the timer information, wherein the interlacing angles of a plurality of control boards are determined in relation to each other such that the variation of at least one predetermined operation parameter, related to the loads connected to said pulse width modulated phase outputs of said function modules, is minimized. Preferably, at least two control boards, for which the interlacing angles are determined, are arranged to control function modules at different module building blocks.

10. 发明申请

WO2022243287A1 MECHANICAL VAPOR RECOMPRESSION ARRANGEMENT 审中-公开
公开(公告)号：WO2022243287A1
公开(公告)日：2022-11-24
申请号：PCT/EP2022/063274
申请日：2022-05-17
申请人： AQUAFAIR AB
发明人： ÅHRSTRÖM, Bert-Olof , CARLMAN, Fredrik
IPC分类号： B01D1/26 , B01D1/28 , C02F1/04
摘要： A mechanical vapor recompression (MVR) arrangement, comprising a compound turbine system, a pressure-tight enclosure (2) provided with a first end (4) and a second end (6), having an essentially circular cylindrical elongated shape along a longitudinal axis A, and a central tube (12) having an essentially circular cross-section and running within said enclosure (2) and configured to allow steam to flow from the second end to the first end of the enclosure. The MVR arrangement further comprises at least one evaporation compartment El. The MVR arrangement further comprises an inner central tube (36) arranged concentrically within said central tube (12) and running from said second end (6) to, or towards, the first end (4), wherein said inner central tube (36) has an outer diameter related to the inner diameter of said central tube (12) such that a steam flow conducting space (38) is provided between an outer surface of the inner central tube (36) and an inner surface of the central tube (12). The compound turbine system comprises a turbine assembly (14) comprising a turbine provided with axial turbine vane members (22) arranged within said inner central tube (36) and structured to provide steam to flow in an axial direction along the longitudinal axis A within said inner central tube (36) from said second end (6) towards said first end (4). A flow connection member (50) is arranged, structured to provide a flow connection between said steam flow conducting space (38) and the space within the inner central tube, and wherein the turbine is provided with a flow increasing structure (52) arranged in proximity of said flow connection member (50), such that the flow within the steam flow conducting space (38) and the flow within the inner central tube are combined into one flow.

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