Abstract: The present invention relates to a steam powered nailing gun. In certain embodiments, the steam powered nailing gun includes a handle, a casing, a high pressure water pump, a piston mechanism, a nailing gun base, and a nail magazine. The piston mechanism is connected to the casing. One end of the piston mechanism is connected to the high pressure water pump, and another end is connected to nailing gun base. The nail magazine is disposed at a position corresponding to piston mechanism on the nailing gun base. A phase transition thermal storage device and a steam power generator are positioned inside casing having steam power generator inside phase transition thermal storage device. The steam power generator is connected to high pressure water pump and piston mechanism. The high pressure water pump is further connected to a water supply device 11 on the handle through a second water supply pipe.

Abstract: The invention relates to a cylinder cover for a cylinder of a piston mechanism. In certain embodiments, the cylinder cover includes a cylinder cover body, a valve plate, and a one-directional valve. The cylinder cover body has an exhaust port, and an oil intake. The exhaust port and oil intake are disposed on outer circumference of the cylinder cover body. The one directional oil valve is formed by a compression spring and a ball. An inner end of the oil intake is connected to the compression spring through the ball and the ball is disposed between one end of the compression spring and the inner end of the oil intake. The valve plate is retained on an inner wall of the cylinder cover body by a retaining nut. The cylinder cover further has an auxiliary heating rod inside cylinder cover body for pre-heating cylinder cover to a predetermined temperature.

Abstract: A packet forwarding method that includes receiving a packet from a traffic classifier at a host that comprises a virtual machine (VM), and a first hypervisor for the host that provides a first set of routing instructions that provides routing instruction to forward the packet to a port of the VM, and wherein the VM comprises a plurality of virtual network functions (VNFs), and a second hypervisor for the VM that provides a second set of routing instructions that provides routing instructions to forward the packet to the plurality of VNFs based on an input, processing, by the host, the packet using the plurality of VNFs in accordance with the first set of routing instructions and the second set of routing instructions, and forwarding, by the host, the processed packet to a network device.

Abstract: A virtual network function includes network interface via a single client network interface coupled to a network functions infrastructure. The network interface is provided using a virtual network function abstraction layer in the form of an implementation of a virtual network function in a virtual machine nested within a second virtual machine having a virtual switch. Routing between any number of ports on the virtual network function and a single network interface is enabled by providing a virtual interface in the switch mapped to each network interface needed by the virtual network function. Data from a client network via the network interface for the infrastructure is routed to the proper virtual network function interface in the virtual switch.

Abstract: The present invention relates to ultrahard nanotwinned diamond bulk materials and synthetic method thereof. In particular, the present invention discloses a diamond bulk material containing high density of nanocrystalline twins and synthetic method thereof, in which a nanotwinned diamond bulk is synthesized from particles of nanospherical onion-like carbon without diamond core (preferably with a size of 5-70 nm) as raw materials by using high temperature and high pressure synthesis. As compared with the prior art, the nanotwinned diamond bulk obtained according to the present invention has a much higher hardness than that of single crystal diamond and that of ultrahard polycrystalline diamond. The nanotwinned diamond bulk has wide prospects in various applications, including geological drilling, machining fields such as high speed cutting and precision and ultra-precision machining, abrasives, drawing dies, and special optics as well as other fields.

Abstract: Hydrophobic hollow-fiber membrane made from a vinylidene fluoride polymer with a wall and a wall thickness, an outer surface on its outer side, an inner surface on its inner side and facing its lumen and adjacent to the inner surface a supporting layer having a structure that is substantially isotropic across the wall thickness, the supporting layer extending over at least 80% of the wall thickness and comprising pores having an average diameter of less than 1 ?m, and wherein the hollow-fiber membrane has pores on its outer surface and on its inner surface, characterized in that the vinylidene fluoride polymer has a weight-average molecular weight MW in the range from 550 000 to 700 000 daltons and a polydispersivity greater than 3.0; the pores in the outer and in the inner surface are formed like islands and have a maximum ratio of their longitudinal extension to the transverse extension of 10; the porosity lies in the range from 50 to 90 vol.

Abstract: The present invention relates to a steam powered nailing gun. In certain embodiments, the steam powered nailing gun includes a handle, a casing, a high pressure water pump, a piston mechanism, a nailing gun base, and a nail magazine. The piston mechanism is connected to the casing. One end of the piston mechanism is connected to the high pressure water pump, and another end is connected to nailing gun base. The nail magazine is disposed at a position corresponding to piston mechanism on the nailing gun base. A phase transition thermal storage device and a steam power generator are positioned inside casing having steam power generator inside phase transition thermal storage device. The steam power generator is connected to high pressure water pump and piston mechanism. The high pressure water pump is further connected to a water supply device 11 on the handle through a second water supply pipe.

Abstract: The invention relates to a high pressure water pump and a steam powered nailing gun having the high pressure water pump. In certain embodiments, high pressure water pump includes: an upper pump body, a lower pump body, a water discharge valve, a water intake valve, a plunger, a guide sleeve, a hammering cap, an adjustment knob, and an evacuation valve. Both upper and lower pump body are connected by connecting bolts. A sealing ring is disposed between upper and lower pump body and a sealing element is disposed between the upper pump body and plunger. Plunger is sheathed in upper pump body. The hammering cap is threadedly connected to the plunger. The adjustment knob is connected to an upper end of upper pump body. The hammering cap is moveably connected to the adjustment knob through the plunger. A plunger reset spring is disposed between hammering cap and adjustment knob.

Abstract: The invention relates to a cylinder cover for a cylinder of a piston mechanism. In certain embodiments, the cylinder cover includes a cylinder cover body, a valve plate, and a one-directional valve. The cylinder cover body has an exhaust port, and an oil intake. The exhaust port and oil intake are disposed on outer circumference of the cylinder cover body. The one directional oil valve is formed by a compression spring and a ball. An inner end of the oil intake is connected to the compression spring through the ball and the ball is disposed between one end of the compression spring and the inner end of the oil intake. The valve plate is retained on an inner wall of the cylinder cover body by a retaining nut. The cylinder cover further has an auxiliary heating rod inside cylinder cover body for pre-heating cylinder cover to a predetermined temperature.

Abstract: The present invention relates to a spring reset device for a piston mechanism. In certain embodiments, the spring reset device includes: a connecting plate, a pull rod, a plurality of reset springs, and a plurality of brackets. The connecting plate has a plurality of connecting pins. Each of the reset springs has a first end, and a second end. Each of the brackets has a connecting pin. The spring reset device is positioned on a top end of a piston body. The piston body includes a piston cylinder body, a piston plate, a piston rod, and a cylinder cover. A lower side of the piston plate is connected to the piston rod through a thread. First end of each of reset springs is rotatably connected to a hook portion of connecting plate. Second end of each of reset springs is rotatably connected a hook portion of a corresponding bracket.

Abstract: The present invention relates to a phase transition heat storage device. In certain embodiments, the phase transition heat storage device includes a housing, a phase transition material body, a plurality of heating devices, a temperature sensor, and a temperature controller. The phase transition material body is disposed inside the housing. The heating devices enter the housing and are implanted inside the phase transition material body. The temperature sensor has a first end and a second end. The temperature controller is disposed outside of the housing. The first end of the temperature sensor is disposed inside the phase transition material body, and the second end of the temperature sensor is connected to the temperature controller through a first wire. The heating devices are connected to the temperature controller through a second wire. The present invention also relates to a steam powered nailing gun having a phase transition heat storage device.

Abstract: The present disclosure provides an addressing method, an addressing apparatus, a fabric manager, a switch, and a data routing method for data center networks. The addressing apparatus includes a tree creating unit for, sequentially with each of switches as a root, creating a tree containing all hosts by means of network topology discovery function, to obtain a plurality of trees; a tree selecting unit for selecting a tree having a minimum height among the created plurality of trees; and an address assigning unit for assigning addresses to each of switches and each of hosts in a network with respect to each selected tree having a minimum height. The present disclosure is adaptable to various topologies employed by the data center. The present disclosure can achieve aggregation of locator addresses so that a forwarding table can be shortened, and can achieve load balance of the network.

Abstract: The present invention discloses a saturated water explosive device, including a water intake pipe, a flow splitter for splitting a high-pressure liquid, a flow baffle for baffling the high-pressure liquid, a heat receiver having a cavity defined inside, a pillar connected with the heat receiver by a micro-channel wherein the high-pressure liquid is heated to be high-temperature saturated water, and a heat source for heating the cavity. High-pressure water is heated to produce high-temperature high-pressure saturated water, and then by using the saturated water explosive device of the present invention, the produced high-temperature high-pressure saturated water instantaneously explodes as being heated, and a high-temperature high-pressure steam flow is produced due to rapid vaporization, and expansion and is used as a power source.

Abstract: A speaker having a voice coil is disclosed. The voice coil includes two parallel main members and two linking members connecting the two main members for forming a closed loop, one of the linking member having at least a first part from a first circle having a first diameter, and at least a second part from a second circle having a second diameter greater than the first diameter.

Abstract: The invention relates to a hydrophobic, integrally asymmetrical hollow-fiber membrane made of a vinylidene fluoride homopolymer or copolymer, wherein the wall of the membrane has a microporous supporting layer having a sponge-like, open-pored, essentially isotropic pore structure without finger pores, the supporting layer extending across at least 90% of the wall thickness and having pores with an average diameter of less than 0.5 ?m. The hollow-fiber membrane is characterized in that it has a separating layer adjacent to the supporting layer on its outer surface and that it has an outer surface with a homogeneous, uniform structure without pores, a porosity in the range from 40 to 80 vol. %, a wall thickness from 25 to 100 ?m, a diameter of the lumen of the hollow-fiber membrane from 100 to 500 ?m, a permeability for nitrogen of at least 25 ml/(cm2·min·bar), and an elongation at break of at least 250%. The invention further relates to a method for producing hollow-fiber membranes of this type.

Abstract: The invention provides a server, a method and a system for providing node information for P2P network. A server in a peer-to-peer (P2P) network comprises: a location information storage unit which stores coordinate information indicating a coordinate of each data node in the P2P network in a coordinate system that is created based on communication delays among data nodes in the P2P network; and a node information providing unit which, upon receipt of a request for information on data nodes having a first data item, selects one or more data nodes from data nodes having the first data item based on the coordinate information, and provides information indicating the selected one or more data nodes.

Abstract: The invention discloses a data transfer protection apparatus for a flash memory controller, placed between Bose-Chaudhuri-Hocquenghem (BCH) and NAND Flash Chip. In encode path the hardware module selects a sequence of constant values, exclusive-or the original parity with that constant value. In decode path the hardware module detects the parity period, exclusive-or the parity which is read out from NAND Flash Chip with the same constant value sequence.

Abstract: The present disclosure provides an addressing method, an addressing apparatus, a fabric manager, a switch, and a data routing method for data center networks. The addressing apparatus includes a tree creating unit for, sequentially with each of switches as a root, creating a tree containing all hosts by means of network topology discovery function, to obtain a plurality of trees; a tree selecting unit for selecting a tree having a minimum height among the created plurality of trees; and an address assigning unit for assigning addresses to each of switches and each of hosts in a network with respect to each selected tree having a minimum height. The present disclosure is adaptable to various topologies employed by the data center. The present disclosure can achieve aggregation of locator addresses so that a forwarding table can be shortened, and can achieve load balance of the network.

Abstract: The invention provides a server, a method and a system for providing node information for P2P network. A server in a peer-to-peer (P2P) network comprises: a location information storage unit which stores coordinate information indicating a coordinate of each data node in the P2P network in a coordinate system that is created based on communication delays among data nodes in the P2P network; and a node information providing unit which, upon receipt of a request for information on data nodes having a first data item, selects one or more data nodes from data nodes having the first data item based on the coordinate information, and provides information indicating the selected one or more data nodes.

Abstract: The invention discloses a data transfer protection apparatus for a flash memory controller, placed between BCH and NAND Flash Chip. In encode path the hardware module selects a sequence of constant values, exclusive-or the original parity with that constant value. In decode path the hardware module detects the parity period, exclusive-or the parity which is read out from NAND Flash Chip with the same constant value sequence.