Abstract: A method for manufacturing a branched wire harness 1 includes a connection step of bundling and connecting core wires 11 of a plurality of electric wires 10 including the core wires 11; a waterproof material attachment step of attaching, to the plurality of electric wires 10, a spring-shaped waterproof material 20 constituted by a material that is softened or melted through heating; a covering step of covering, with a waterproof covering 14, the plurality of electric wires 10 to which the spring-shaped waterproof material 20 is attached; and a heating step of softening or melting the spring-shaped waterproof material 20 through heating, and filling in a gap between the waterproof covering 14 and the electric wires 10, or a gap between the adjacent electric wires 10.

Abstract: Provided is a control apparatus that controls any one or all of a plurality of slave station apparatuses communicating with a terminal apparatus, a plurality of master station apparatuses that control the slave station apparatuses, and a transfer apparatus that transfers data transmitted and received between the master station apparatuses and the slave station apparatuses, the control apparatus including an information acquisition unit that acquires information regarding traffic of the data transmitted and received between the master station apparatuses and the slave station apparatuses, and a switching control unit that performs, on the basis of the information regarding the traffic acquired by the information acquisition unit, switching-control of an assignment relationship between the master station apparatus and the slave station apparatus and switching-control of a transfer path of data between the master station apparatus and the slave station apparatus.

Abstract: A harness is provided with one or more first wires each including a first core exposed portion, one or more second wires each including a second core exposed portion, and a bonded portion formed by welding the first and second core exposed portion(s). A total cross-sectional area of the second core(s) is equal to or less than ? of the sum of total cross-sectional areas of the first and second core(s). The bonded portion has two pairs of outer surfaces extending along an extending direction of the first and second wires and facing each other and a distance H between one pair of the outer surfaces (upper/lower surfaces), out of the two pairs of outer surfaces, is longer than a distance W between another pair of the outer surfaces (right/left side surfaces). The second core exposed portion(s) is/are arranged adjacent to the upper surface Up in the bonded portion.

Abstract: A gas turbine combustor is equipped with a nozzle in which an air ejection passage extending along an axis and having an open distal end, and a fuel supply passage extending along the axis and having an open distal end are formed; swirling vanes provided around the nozzle so as to be twisted around the axis of the nozzle; an inner cylinder surrounding an outer periphery of the nozzle and the swirling vanes, and in which compressed air flows through an inside of the inner cylinder toward a downstream side; an outer cylinder which defines an inversion flow path, which inverts the compressed air on an outer periphery of the inner cylinder and introduces the compressed air to the inside of the inner cylinder, between the inner and outer cylinders; and an air introduction pipe having one end connected to a space on an upstream side of the compressed air from the inversion flow path, and the other end connected to the air ejection passage.

Abstract: A combustor nozzle includes a nozzle main body extending along an axis. The nozzle main body includes a first fuel passage which extends along the axis and through which first fuel is configured to flow, a first fuel ejection passage which extends to an outer circumferential surface of the nozzle main body toward a distal end side thereof from the first fuel passage and is configured to eject the first fuel from the outer circumferential surface, an air flow passage which extends in an axial direction on a radial outer side of the first fuel passage with respect to the axis and through which purge air is configured to flow, and an air ejection passage which extends from the air flow passage toward a center of a distal end of the nozzle main body and is configured eject the purge air from the center of the distal end.

Abstract: A gas turbine combustor provided with: a plurality of swirler tubes that are disposed inside a combustor basket and impart a swirl to a premixed gas, the premixed gas being obtained by premixing a fuel and air for combustion; and an outer ring that is disposed between the plurality of swirler tubes and the combustor basket with a gap provided between the outer ring and the combustor basket, and generates film-shaped air inside a combustor transition piece connected to the combustor basket via injection through the gap into the combustor transition piece, and at a downstream end of the outer ring, the outer ring includes a tapered surface formed such that the outer ring gradually decreases in thickness from an upstream side toward a downstream side.

Abstract: A combustor includes: a first cylindrical body which is configured to hold a fuel nozzle extending in an axial line direction and through which air flows toward a downstream side thereof; a second cylindrical body that is connected to a downstream side of the first cylindrical body; and an outer shell that has an inner peripheral surface configured to define an air introduction channel through which air is introduced such that the air reverses course at an upstream end of the first cylindrical body and flows toward the downstream side together with an outer peripheral surface of the first cylindrical body. The inner peripheral surface has an outside narrowing surface that is formed to extend inward in a radial direction toward the upstream end of the first cylindrical body.

Abstract: A harness 1 includes copper wires 10A and aluminum wires 10B. The copper wire 10A includes a copper core 11A. The aluminum wire 10B includes an aluminum core 11B made of a material different from that of the copper core 11A and having lower conductor strength than the copper core 11A. The copper cores 11A are multiply folded, and parts on tip sides serve as a bulky portion 11AE. The harness 1 includes a joined portion 20 formed by welding the copper cores 11A including the joined portion 11AE and the aluminum cores 11B. The joined portion 20 includes a first layer 21 constituted by the copper cores 11A including the bulky portion 11AE and a second layer 22 constituted by the aluminum cores 11B and overlaid on the first layer 21.

Abstract: A combustor includes: a nozzle main body having a shaft body and a swirl vane; a first fuel flow path configured to supply fuel to a first fuel injection hole defined in the nozzle main body; a second fuel flow path configured to supply fuel to a second fuel injection hole defined in the nozzle main body on a radial outer side of the first fuel injection hole; a first regulating valve provided in the first fuel flow path and configured to regulate a flow rate of the fuel in the first fuel flow path; a temperature sensor-configured to detect a temperature on a downstream side of the swirl vane; and a control device configured to control the first regulating valve so that the flow rate of the fuel in the first fuel flow path is lowered when the temperature detected by the temperature sensor satisfies a predetermined condition.

Abstract: A connector includes a plurality of contacts. Each of the contacts includes a first engagement portion, a second engagement portion, a first bent portion, a second bent portion, and a coupling portion. A second angle formed by a reference straight line and a second straight line is smaller than a first angle formed by the reference straight line and a first straight line, where the first straight line is a straight line passing through an end of the first bent portion on the first engagement portion side and an end of the first bent portion on the coupling portion side, and the second straight line is a straight line passing through an end of the second bent portion on the coupling portion side and an end of the second bent portion on the second engagement portion side.

Abstract: A relay device for relaying communications between a plurality of radio devices that perform radio communications with a terminal and a radio control apparatus that controls the plurality of radio devices, the relay device including a plurality of signal combination units that are each provided for one of functional splitting points between the plurality of radio devices and the radio control apparatus, and are each configured to convert signal data transmitted from one of the plurality of radio devices based on a signal format in accordance with the one of the functional splitting points, and transmit the converted signal data to the radio control apparatus, and a signal switching unit configured to output the signal data transmitted from the one of the plurality of radio devices, to one of the plurality of signal combination units supporting one of the functional splitting points that corresponds to the one of the plurality of radio devices.

Abstract: A metal member-welded structure includes: a Cu member; an Al member; and a welded portion formed by melting and solidifying each of materials of the Cu member and the Al member. The Cu member includes a Cu-based material containing Cu as a main component. The Al member includes an Al-based material containing Al as a main component and a plating layer that covers a side of the Al-based material, the side being close to a surface of the Cu member. The welded portion includes a sea-island structure in a vicinity of the surface of the Cu member. The sea-island structure includes: a plurality of island portions containing pure Al, and a sea portion interposed among the island portions. The sea portion has a eutectic structure having: a phase of an intermetallic compound of Cu and Al; and a phase of pure Al.

Abstract: There is provided a combustor including a nozzle main body (16) that includes a shaft body (24) which extends along an axis and has, inside the shaft body (24), a purge air flow path (29), which extends along the axis to a tip portion of the shaft body (24) and into which compressed air is introduced, and an air spraying hole (39), which is formed in the tip portion of the shaft body (24) and connects the purge air flow path (29) to an outer surface of the shaft body (24), a swirling blade (26), which overhangs from an outer circumferential surface of the shaft body (24) in a diameter direction of the axis and swirls a fluid flowing to a downstream side of an axial direction around the axis, and a fuel spraying hole (38), and a sealing member (40) that seals the air spraying hole (39) and is formed of a metal having a melting point lower than a melting point of a metal forming the nozzle main body (16).

Abstract: There is provided a gas turbine (1) including a compressor (2) that generates compressed air, a casing (5) into which the compressed air is introduced, a combustor (3) that generates a combustion gas, a turbine (4) that is driven by the combustion gas, a combustor cooling system (6) that has a sub-compressor (62), which is able to be operated independently of the compressor (2), and a heat exchanger (61), which extracts air in the casing (5) and causes the air to exchange heat after the sub-compressor (62) has increased a pressure of the air, and that introduces the air, which has exchanged heat, into a cooling passage (31) of a cylindrical body (30) of the combustor (3), and a combustor air introducing system that extracts air flowing in the combustor cooling system (6) and introduces the air into the combustor (3).

Abstract: Provided is a control apparatus that controls any one or all of a plurality of slave station apparatuses communicating with a terminal apparatus, a plurality of master station apparatuses that control the slave station apparatuses, and a transfer apparatus that transfers data transmitted and received between the master station apparatuses and the slave station apparatuses, the control apparatus including an information acquisition unit that acquires information regarding traffic of the data transmitted and received between the master station apparatuses and the slave station apparatuses, and a switching control unit that performs, on the basis of the information regarding the traffic acquired by the information acquisition unit, switching-control of an assignment relationship between the master station apparatus and the slave station apparatus and switching-control of a transfer path of data between the master station apparatus and the slave station apparatus.

Abstract: A radio communication system includes a radio apparatus and a signal processing apparatus that function as a base station, and the radio apparatus includes a channel estimation unit that, on the basis of a radio signal transmitted from a terminal apparatus, estimates channel information relating to a radio transmission path between the radio apparatus and the terminal apparatus; a demodulation unit that performs soft-decision demodulation of the radio signal on the basis of the channel information estimated by the channel estimation unit; a decoding unit that decodes a log likelihood ratio obtained by the soft-decision demodulation and outputs a result of an error detection code obtained by the decoding; and a transmission control unit that, on the basis of the error detection code result, controls transmission, to the signal processing apparatus, of data obtained by the decoding.

Abstract: A combustor includes: a fuel nozzle extending along an axis; a tubular combustor basket configured to cover the fuel nozzle; and a tubular transition piece configured to define a cooling air passage through which air from outside is introduced between the tubular transition piece and an outer circumferential surface of a leading end portion of the tubular combustor basket. The tubular transition piece extends toward a leading end side of the tubular combustor basket.

Abstract: A harness is provided with one or more first wires each including a first core exposed portion, one or more second wires each including a second core exposed portion, and a bonded portion formed by welding the first and second core exposed portion(s). A total cross-sectional area of the second core(s) is equal to or less than ? of the sum of total cross-sectional areas of the first and second core(s). The bonded portion has two pairs of outer surfaces extending along an extending direction of the first and second wires and facing each other and a distance H between one pair of the outer surfaces (upper/lower surfaces), out of the two pairs of outer surfaces, is longer than a distance W between another pair of the outer surfaces (right/left side surfaces). The second core exposed portion(s) is/are arranged adjacent to the upper surface Up in the bonded portion.

Abstract: Provided is a technique for easily manufacturing a terminal-equipped electrical wire in which a part of a core wire crimping portion is highly compressed. A method of manufacturing the terminal-equipped electrical wire includes the following steps (a) to (c). A step (a) is a step of preparing a terminal fitting including a core wire crimping portion having a bottom portion and a pair of crimping pieces (34, 34) standing upright on the bottom portion, and a partially overlapping portion (37) overlaid, so as to protrude, on the outside of a partial region of the bottom portion of the core wire crimping portion along an extending direction of the bottom portion. A step (b) is a step of accommodating core wire exposed portions (22) of electrical wires in the core wire crimping portion. A step (c) is a step of crimping the core wire crimping portion to the core wire exposed portions (22).

Abstract: A combustor (3) includes: a fuel nozzle configured to inject fuel; a tubular body (24) having a tubular shape in which a combustion region through which combustion gas flows is formed inside, and in which a plurality of slits (50) are formed extending in the circumferential direction at intervals in the circumferential direction; and throttle pieces (60) which are fitted into the slits (50), project radially inward from the inner circumferential side of the tubular body (24), and have a throttle face that extends along the flow direction of the combustion gas as it extends from the radially outer side inward.