摘要:
A method of constructing a backup path in an autonomous system (AS) for failure of an inter-AS link is described. The method comprises identifying an alternate inter-AS path and constructing a tunnel to an end point on the alternate path.
摘要:
A method of constructing a backup path in an autonomous system (AS) for failure of an inter-AS link is described. The method comprises identifying an alternate inter-AS path and constructing a tunnel to an end point on the alternate path.
摘要:
A spacer for use in a branching electrical connector comprises two jaws and clamping device for clamping the jaws together. At least two parallel channels are defined by the jaws, the spacer being adapted to hold one of the channels temporarily at least partly open. Overridable abutment on the spacer yield when sufficient force is applied to the jaws by the clamping device to enable the temporarily open channel to be closed.
摘要:
The invention relates to a method for manufacturing an aluminum/metal assembly including the steps involving: thermally processing an aluminum sheet by heating said sheet to a temperature of between 80% and 100% of the melting temperature of the material of which it consists for a sufficiently long duration to create and stabilize by allotropic conversion an alpha alumina layer at the surface of said aluminum sheet, and then cooling same; providing a metal layer having a ductility less than or equal to the ductility of the aluminum sheet after cooling, said layer having surface irregularities having a depth greater than or equal to the thickness of the alpha alumina layer; and roll bonding the aluminum layer and the metal layer to produce the metal assembly.
摘要:
The invention relates to a method for manufacturing an aluminum/metal assembly consisting of a metal layer made of a first metal on the surface of a metal object made of a second metal, the first or second metal being aluminum, wherein said method includes the following steps: placing a metal foam having an open porosity on a surface of the metal object, and applying mechanical sress to the metal foam in such a manner that said foam becomes embedded in the surface of the object.
摘要:
A branch connection accessory device for an insulated branch cable to be connected to an insulated main cable comprises a two-part clamping system. This is adapted to clamp the branch cable between the two parts, at least a first of which is electrically conductive. An insulated conductor appendix is factory-fitted, electrically connected and mechanically joined to the first part. It is adapted to be connected to a non-separate branch connector having two jaws, to one of which the appendix is connected and the other of which is connected to the main cable. An insulative seal envelops the device, a hole in the seal providing access to the first part. A well in the seal in line with the other part enable the latter to be operated. The device therefore constitutes a sealed, insulative branch connection accessory device.
摘要:
The invention relates to a method for manufacturing an aluminum/metal assembly consisting of a metal layer made of a first metal on the surface of a metal object made of a second metal, the first or second metal being aluminum, wherein said method includes the following steps: placing a metal foam having an open porosity on a surface of the metal object, and applying mechanical stress to the metal foam in such a manner that said foam becomes embedded in the surface of the object.
摘要:
A method for manufacturing a metal assembly including an aluminum sheet and at least one metal sheet. An aluminum sheet is treated by heating to a temperature of between 80% and 100% of the melting temperature of the material of which it is comprised for a sufficiently long duration to create and stabilize an alpha alumina layer at the surface of the aluminum sheet. The sheet is then cooled. A metal sheet having a ductility less than or equal to the ductility of the alumimum sheet after cooling is provided, which has surface irregularities having a depth greater than or equal to the thickness of the alpha alumina layer. The aluminum sheet and the metal sheet are roll bonded in a rolling mill to produce the metal assembly, wherein the rolling mill includes at least one cylinder, the outer rolling surface of which is provided with raised portions.
摘要:
The invention concerns a reciprocating linear movement power unit. The powering element consists of a Stirling heat engine and the generator consists of a piston (1) and displacers (2,3) of the heat engine acting as rotors and fixed electromagnetic elements (6) acting as stator. The Stirling engine comprises in a single working chamber (9) at least a piston (1) and two displacers (2,3) such that the assembly is equivalent to two engines working in opposition. The power stroke of one corresponds to the resisting stroke of the other. Preferably, the generator is of the asynchronous type, but it can consist of synchronous assemblies, with variable reluctance or with permanent magnets.
摘要:
The invention concerns a reciprocating linear movement power unit. The powering element consists of a Stirling heat engine and the generator consists of a piston (1) and displacers (2,3) of the heat engine acting as rotors and fixed electromagnetic elements (6) acting as stator. The Stirling engine comprises in a single working chamber (9) at least a piston (1) and two displacers (2,3) such that the assembly is equivalent to two engines working in opposition. The power stroke of one corresponds to the resisting stroke of the other. Preferably, the generator is of the asynchronous type, but it can consist of synchronous assemblies, with variable reluctance or with permanent magnets.