Abstract: A compressor body includes a compression mechanism including a screw rotor that compresses gas, a casing that accommodates the compression mechanism and defines a compression working chambers therein, a suction side bearing that rotatably supports the screw rotor, a bearing chamber that accommodates the suction side bearing, and a liquid supply port that communicates with the compression working chambers and supplies liquid supplied from the outside of the casing into the compression working chambers. The casing has an internal liquid supply flow path that extends from a discharge side of the compression working chambers as an upstream side to a suction side of the compression working chambers as a downstream side and that supplies the liquid to the liquid supply port. The internal liquid supply flow path has a downstream portion reaching the bearing chamber and supplies the liquid to the suction side bearing.

Abstract: A controller that controls a control target includes one or more processors, a memory that stores a program to be executed by the processors, a communication interface that accesses a database, and a storage device. The one or more processors is programed to generate an SQL statement in accordance with a function block defined in a user program based on configuration information that defines a correspondence relationship between a data type of the user program and a data type of the database, send the generated SQL statement to the database when the execution result of the SQL statement indicates an error, associate the SQL statement with an execution result of the SQL statement sent to the database and store the same as an error log in the storage device, and send the error log to an information processing device in response to a request.

Abstract: An electronic component handling apparatus includes: a pressing device that presses a device under test (DUT) or a carrier containing the DUT against a socket while a test tray having an insert containing the DUT or the carrier is in a vertical state. The pressing device includes: a pusher that contacts the DUT or the carrier; and an abutting part that abuts the insert.

Abstract: An engine system includes an engine having a combustion chamber, an intake gas passage through which air to be supplied to the combustion chamber flows, an exhaust gas passage through which exhaust gas generated from the combustion chamber flows, a reformer configured to reform the fuel to generate a reformed gas containing hydrogen, a gas supply passage through which air to be supplied to the reformer flows, a bypass passage connected to the gas supply passage and the exhaust gas passage so as to bypass the reformer and through which the fuel having passed through the reformer is circulated to an upstream of the reformer, and a switching valve switched between a normal position that does not allow the fuel having passed through the reformer to flow to the bypass passage and a circulating position that allows the fuel having passed through the reformer to flow to the bypass passage.

Abstract: An electronic component handling apparatus handles a device under test (DUT). The electronic component handling apparatus includes: transfer units that each include a DUT transfer part that mounts the DUT on a first tray and removes the DUT from the first tray; contact units that each press the DUT mounted on the first tray against a socket disposed on a test head connected to a tester; and a tray transporter that transports the first tray between the contact units and the transfer units. Either or both of (i) at least one of the contact units and (ii) at least one of the transfer units are removably disposed on the electronic component handling apparatus.

Abstract: A control system includes an information processing device that communicates with a controller that controls a control target. The controller or the information processing device include a storage device that stores one or more SQL statements to be executed and an execution result the one or more SQL statements in association with each other as log data. The information processing device includes a display controller that displays on a display an SQL statement to be corrected that has an unsuccessful execution result; an operation unit that accepts a correction operation on the SQL statement and an execution operation; and a communication interface that sends an execution instruction to execute the corrected SQL statement to the controller upon receipt of the execution operation and to receive an execution result of the corrected SQL statement from the controller. The display controller displays an execution result of the corrected SQL statement.

Abstract: An engine includes a reformer, a reforming-air adjuster, a reforming-fuel supply unit, a reformed-gas adjuster, and a control unit. The reformer is configured to reform fuel into a reformed gas. When a start signal is input, the control unit controls the reforming-air adjuster and the reforming-fuel supply unit to a reformable state in which the fuel is reformable in the reformer, and the control unit controls the reformed-gas adjuster so that the reformed gas flows through the reformed-gas adjuster with a degree of opening smaller than a normal degree of opening that is a degree of opening of the reformed-gas adjuster when composition of the reformed gas is in a stable state before the composition of the reformed gas becomes in the stable state, for a given period of time including at least a period immediately after the engine starts.

Abstract: A combustor includes: a housing having an annular shape of which one end side is open and of which the other end side is closed; at least one introduction portion that introduces a fuel and an oxidizing gas into the housing to generate a tubular flow; and an ignition unit that ignites the fuel introduced into the housing. The ignition unit includes a discharge electrode and a ground electrode. A space that the fuel and the oxidizing gas reach is provided between the discharge electrode and the ground electrode.

Abstract: An engine system includes: an ammonia engine; a reforming device that has a reforming catalyst for cracking ammonia gas into hydrogen and configured to reform ammonia gas to generate reformed gas containing hydrogen; and a control unit. The control unit includes: a purge controller configured to control a reforming injector so as to be closed and control a reforming throttle valve so as to be opened, after an ignition switch gives an instruction of a stop of the ammonia engine; and an engine stop controller configured to control main injectors so as to be closed, after the ignition switch gives the instruction of the stop of the ammonia engine.

Abstract: An electronic component handling apparatus handles a device under test (DUT). The electronic component handling apparatus includes: contact units that adjust a temperature of the DUT independently from one another and press the DUT against a socket independently from one another. The socket is disposed on a test head that is mounted to each of the contact units and that is connected to a tester. At least one of the contact units is removably disposed on the electronic component handling apparatus.

Abstract: An engine system includes: an ammonia engine; a reforming device that has a reforming catalyst for cracking ammonia gas into hydrogen and configured to reform ammonia gas to generate reformed gas containing hydrogen; and a control unit. The control unit includes: a purge controller configured to control a reforming injector so as to be closed and control a reforming throttle valve so as to be opened, after an ignition switch gives an instruction of a stop of the ammonia engine; and an engine stop controller configured to control main injectors so as to be closed, after the ignition switch gives the instruction of the stop of the ammonia engine.

Abstract: A compressor body includes a compression mechanism including a screw rotor that compresses gas, a casing that accommodates the compression mechanism and defines a compression working chambers therein, a suction side bearing that rotatably supports the screw rotor, a bearing chamber that accommodates the suction side bearing, and a liquid supply port that communicates with the compression working chambers and supplies liquid supplied from the outside of the casing into the compression working chambers. The casing has an internal liquid supply flow path that extends from a discharge side of the compression working chambers as an upstream side to a suction side of the compression working chambers as a downstream side and that supplies the liquid to the liquid supply port. The internal liquid supply flow path has a downstream portion reaching the bearing chamber and supplies the liquid to the suction side bearing.

Abstract: A controller that controls a control target includes one or more processors, a memory that stores a program to be executed by the processors, a communication interface that accesses a database, and a storage device. The one or more processors is programed to generate an SQL statement in accordance with a function block defined in a user program based on configuration information that defines a correspondence relationship between a data type of the user program and a data type of the database, send the generated SQL statement to the database when the execution result of the SQL statement indicates an error, associate the SQL statement with an execution result of the SQL statement sent to the database and store the same as an error log in the storage device, and send the error log to an information processing device in response to a request.

Abstract: A screw compressor includes a screw rotor, a casing, and a delivery side shaft sealing unit. The delivery side shaft sealing unit includes an annular groove, a seal ring, and a shaft sealing fluid supply passage. Pressure of the fluid that is supplied to the one side, in the axial direction, of the seal ring via the shaft sealing fluid supply passage is set higher than pressure that acts on a first side surface, in an axial direction with respect to a first side wall surface of the annular groove, of the seal ring.

Abstract: Provided is a liquid supply mechanism including: a plurality of liquid supply sections each including a plurality of branch paths whose central axes intersect with each other, and a supply path having a side surface to which the plurality of branch paths of the plurality of liquid supply sections are directly connected, respectively, and supplying liquid, which is supplied from an upstream, to the branch paths.

Abstract: A reforming system includes a vaporizer configured to vaporize liquid fuel to produce fuel gas; a reformer configured to reform the fuel gas produced by the vaporizer to produce a reformed gas containing hydrogen; an air supplier configured to supply air to the reformer; a fuel gas supplier configured to supply the fuel gas to the reformer; a heater configured to increase a temperature of the reformer; a reformed gas flow passage through which the reformed gas produced by the reformer flows; a cooler disposed in the reformed gas flow passage and configured to cool the reformed gas; a circulation passage connecting the vaporizer with the cooler and through which refrigerant flows through the vaporizer and the cooler; and a circulation pump disposed in the circulation passage and configured to circulate the refrigerant through the circulation passage.

Abstract: An engine system includes: an ammonia engine; a reforming device that has a reforming catalyst for cracking ammonia gas into hydrogen and configured to reform ammonia gas to generate reformed gas containing hydrogen; and a control unit. The control unit includes: a purge controller configured to control a reforming injector so as to be closed and control a reforming throttle valve so as to be opened, after an ignition switch gives an instruction of a stop of the ammonia engine; and an engine stop controller configured to control main injectors so as to be closed, after the ignition switch gives the instruction of the stop of the ammonia engine.

Abstract: Provided is a liquid supply mechanism including: a plurality of liquid supply sections each including a plurality of branch paths whose central axes intersect with each other, and a supply path having a side surface to which the plurality of branch paths of the plurality of liquid supply sections are directly connected, respectively, and supplying liquid, which is supplied from an upstream, to the branch paths.

Abstract: An engine system includes an engine having a combustion chamber, an intake gas passage through which air to be supplied to the combustion chamber flows, an exhaust gas passage through which exhaust gas generated from the combustion chamber flows, a reformer configured to reform the fuel to generate a reformed gas containing hydrogen, a gas supply passage through which air to be supplied to the reformer flows, a bypass passage connected to the gas supply passage and the exhaust gas passage so as to bypass the reformer and through which the fuel having passed through the reformer is circulated to an upstream of the reformer, and a switching valve switched between a normal position that does not allow the fuel having passed through the reformer to flow to the bypass passage and a circulating position that allows the fuel having passed through the reformer to flow to the bypass passage.

Abstract: A reforming system includes a vaporizer configured to vaporize liquid fuel to produce fuel gas; a reformer configured to reform the fuel gas produced by the vaporizer to produce a reformed gas containing hydrogen; an air supplier configured to supply air to the reformer; a fuel gas supplier configured to supply the fuel gas to the reformer; a heater configured to increase a temperature of the reformer; a reformed gas flow passage through which the reformed gas produced by the reformer flows; a cooler disposed in the reformed gas flow passage and configured to cool the reformed gas; a circulation passage connecting the vaporizer with the cooler and through which refrigerant flows through the vaporizer and the cooler; and a circulation pump disposed in the circulation passage and configured to circulate the refrigerant through the circulation passage.