摘要:
A piston is provided in which the amount of uncombusted and discharged air-fuel mixture is small, and agglutination of a piston ring due to heat is prevented.In a piston 2 in which plural peripheral grooves in which piston rings are provided are formed in an outer peripheral surface, as the relation between an inner diameter B of a cylinder 1 and a distance L between an upper surface of the piston and an upper surface of a top peripheral groove 4a, L/B≦0.1 holds. A cooling chamber 5a is formed in close vicinity to the top peripheral groove. A dead volume S partitioned with the piston, a cylinder liner 11 and a top piston ring 3a is reduced, and the amount of air-fuel mixture enclosed here and discharged in uncombusted state is reduced. Further, agglutination of the top piston ring to the cylinder due to thermal load can be prevented with the cooling chamber 5a. The thermal efficiency as an engine is improved in comparison with conventional art.
摘要:
A file management apparatus that communicates with an online storage subject to use constraints. The file management apparatus including a processor that controls at least one of two access processes, one of the two access processes being an upload to the online storage, the other access process being a download from the online storage, and performs access inhibit control to inhibit the access processes to meet the use constraints based on at least one of a number of times access is made to the online storage per unit time and an amount of data communicated with the online storage per unit time.
摘要:
A terminal device 100 to and from which a removal storage medium 200 is attached and removed includes a display 130 and a writer 150. The display 130 displays an action-command input region and an execution-subject input region, the action-command input region being used for inputting an action command to execute a certain action, the execution-subject input region being used for inputting an execution subject for the execution of the action command. The writer 150 writes the action command inputted in the action-command input region and the execution subject inputted in the execution-subject input region, into the removable storage medium.
摘要:
A network-connectable device is configured to communicate with one or more computer-related devices via a network. The network-connectable device includes: a mode selector configured to select a power mode between a first power mode and a second power mode; a power state switching unit operable on the first power mode and configured to: turn on power of the network-connectable device when one of the computer-related devices is connected to the network in a state where no computer-related device has been connected to the network; and shut down the power no computer-related device is connected to the network; and a power state maintaining unit operable on the second power mode and configured to maintain the power of the network connectable device in a same state regardless of whether the computer-related devices are connected to or disconnected from the network.
摘要:
A storage processing device to which a plurality of removable hard disk drives and the like are connected and includes: a RAID controller for controlling RAID including the removable hard disk drives and the like, and an available storage capacity setting unit for setting an available storage capacity which is a storage capacity actually available for a predetermined storage unit that is one of the storage units connected to the storage processing in the disk array, on the basis of the real storage capacity of the predetermined storage unit, when the predetermined storage unit is connected to the storage processing device.
摘要:
A local server 200 transmits power supply ON information C as a content list to the local reproduction device 300 in the power OFF mode, the power supply ON information requesting a transition to the power ON mode. The local server 200 receives a power supply ON request from the local reproduction device 300, the power supply ON request indicating that the power supply ON information has been selected. The local server 200 causes a transition from the power OFF mode to the power ON mode in response to the power ON request.
摘要:
A method manufactures a nozzle plate from a substrate with using a punch group including a plurality of punches. A nozzle group has plural nozzle rows in each of which plural nozzle holes are arranged at predetermined intervals in a predetermined direction. Plural nozzle-row sets are defined to each contain at least two nozzle rows having predetermined relative positional relationship with each other. The punch group has plural punch rows each corresponding to one of the nozzle rows contained in each nozzle-row set. Punches on each punch row are arranged at intervals equivalent to the predetermined intervals. The method includes forming a first hole group in the substrate with using the punch group; moving the substrate relative to the substrate in a first direction, which crosses the predetermined direction; and forming a second hole group in the substrate with using the punch group.
摘要:
The present invention aims to allow an arbitrary selection to be made between gas operation and diesel operation, to achieve a reduction in NOx even when in diesel operation, to allow the compression ratio to be adjusted and altered in accordance with the operating state when in gas operation, to allow quick starting, and to perform operations at a high combustion efficiency over the entire load range. The dual fuel engine of the present invention is provided with a precombustion chamber unit, which is located in the cylinder head of the dual fuel engine, having a precombustion chamber and an electromagnetic fuel injection valve (a liquid fuel injection valve) and also with a compression ratio control valve. The compression ratio control valve opens and closes an air passage that connects the main combustion chamber with an intake port. In gas operation, the valve opening time of the compression ratio control valve is adjusted in accordance with the operating state, and the compression is adjusted by allowing a portion of the air gas mixture inside the main combustion chamber to escape to the intake port. Fuel gas is ignited by a pilot quantity of liquid fuel from the electromagnetic fuel injection valve and is then combusted. In diesel operation, the compression ratio control valve is closed and liquid fuel injected at a high compression ratio from the electromagnetic fuel injection valve is combusted by a precombustion method.
摘要:
A guide member is disposed between a thermal head and a conveyor roller pair. The guide member projects into a conveyance passage of a recording paper when a platen roller is separated from the thermal head. In this state, the guide member abuts on the recording paper having been forwarded by the conveyor roller pair. Further, the guide member guides the recording paper to feed it between the platen roller and the thermal head. When the platen roller is pressed against the thermal head, the guide member is pushed by support plates of the platen roller. The pushed guide member is lowered so that the guide member is evacuated from the conveyance passage of the recording paper.
摘要:
A storage apparatus in which at least a first storage medium and a second storage medium are installable and only the first storage medium is initially installed, the storage apparatus including a redundancy unit for executing a redundancy operation in which the same data is stored in both of the installed first storage medium and the second storage medium, and a controller for controlling the redundancy unit so that the redundancy unit can execute a restricted operation in which data is stored only in the first storage medium, until the second storage medium has been installed. The controller controls the redundancy unit so that the redundancy unit can return from the restricted operation to the redundancy operation after the second storage medium has been installed.