Abstract: The invention provides a power storage and supply method and system for a drilling rig. The system comprises a primary common direct current (DC) bus, at least one secondary DC bus, at least one bi-directional DC-to-DC converter connected between the primary common DC bus and the secondary DC bus, at least one motor group each connected to the secondary DC bus through a DC-to-AC inverter, and an Energy Storage System (ESS) configured to be charged by regenerative energy from at least one motor group and discharge power to at least one motor group through the primary common DC bus and the bi-directional DC-to-DC converter. The system may further comprise a bi-directional AC-to-DC converter between the primary DC bus and an AC bus, wherein the ESS is further configured to be charged by regenerative energy generated during lowering operation of a jacking system for the drilling rig, wherein the jacking system is connected to the AC bus.

Abstract: A device for connecting two conductive elements of a conductor rail is provided including a sliding contact surface, two connection tabs formed by one end of each of the two conductive elements, these connection tabs being arranged to be placed in respective parallel planes and offset with respect to the sliding contact surface of the rail, and a junction piece of the two connecting tabs having at least one contact surface placed level with the sliding contact surface of the conductors.

Abstract: A granular sorption material including a plurality of porous granules formed by buildup agglomeration for separation, especially absorption, of harmful gases, especially of SOX and/or HCl, from offgases of thermal processes. The granules containing greater than 80% by weight, and preferably greater than 95% by weight, of Ca(OH)2 and/or CaCO3 based on the dry mass. The granules having a dry apparent density ?, determined by means of an apparent density pycnometer, of 0.5 to 1.2 kg/dm3, preferably 0.7 to 1.1 kg/dm3, and/or a porosity of 45% to 73% by volume, preferably 55% to 65% by volume, and have especially been increased in porosity. A process for producing the granular sorption material, in which pores are introduced into the granules by means of a porosity agent during the production.

Abstract: Transmission element device for two-way timing connected mechanically to the surface to be activated (15) of a timed apparatus operated by a controller (37), the surface to be activated (15) is linearly movable against counter-force. The transmission element (1) has a transmission element brake cylinder (7) filled with operating medium. The inner space of the transmission element brake cylinder (7) is divided into a first chamber (19) and a second chamber (21) by a linearly moving transmission element piston (9) having a sealing element (23). The transmission element piston (9) is provided with openings (25, 27) for ensuring the flow of the operating medium between the two chambers (19, 21) in an extent determined separately for each direction. The exit portion (5) of the transmission element (1) is in push contact with the surface to be activated (15), while the transmission element piston (9) is fastened to the controller (37).

Abstract: Installation vessels and methods for offshore wind turbine installation are disclosed. In one embodiment, a cantilever mast is used to transfer of wind turbine components from an installation vessel to an offshore installation site and guide the transfer to prevent undesired swinging movements of the wind turbine components. In another embodiment, a main crane is used in cooperation with a guide arm to transfer and guide wind turbine components from an installation vessel to an offshore installation site.

Abstract: A recording material printable with an ink jet printer and having a gel layer for that purpose.

Abstract: A process for producing a recording material printable with an ink jet printer and having a gel layer for that purpose comprises a) coating a support with a dispersion or solution of an organic gel former that is chemically crosslinkable by polycondensation or poly adduct formation, b) then effecting gel formation by polycondensation or poly adduct formation, and c) finally drying the gel.

Abstract: A semi-submersible vessel has a pair of vertically spaced pontoons with varied buoyancy. The lower pontoon is retained in a close vertical proximity to the upper pontoon when the vessel is in transit The lower pontoon is ballasted at the deployment site, dropping the pontoon to a depth of about 32 meters below the first pontoon baseline. As a result, stability and motion characteristics of the vessel are significantly improved.

Abstract: An gasket having a molded plastic carrier and an edge-molded seal in an opening through the carrier. The wall surface of the opening has inwardly projecting anchors formed of an inner plate and a radial hub. The seal is molded to the anchors and is held in place thereby.

Abstract: An electrical supply device with a conduit and movable electrical connector, includes conduit sections (1) in an insulating material, in which are disposed electrical conductors (2) interconnected at the level of the junctions of the conduit sections (1); joint covers (3) for connection of the conduit sections (1) insulating the electrical connections of the electrical conductors (2); at least one supply box (4) in line or at one end, by closure caps (5) for the ends of the electrical supply line formed by the conduit sections (1); suspensions (6) for the conduit sections (1); and at least one collector carriage (7) permitting directing the electrical current toward any fixed or movable receiver.

Abstract: A snow ski of the type having separately constructed and joined together upper and lower elongate ski sections wherein the two sections are joined together by an elongate slide rail which slidingly interconnects the opposed faces of the upper and lower ski sections together. A connector arrangement is provided for captively holding the two sections together along the slide rail to thereby permit relative sliding movement between the upper and lower ski sections when the snow ski is flexed longitudinally. The lower ski section preferably is relatively thin and of uniform thickness between its ski tip and ski tail and is also uncambered. A camber is imparted to the lower ski section when it is slidingly interconnected to the upper ski section which itself on its lower surface is longitudinally curved. The upper ski section also preferably functions as a torsion tube and is more resistant to longitudinal flex and lateral twist than the lower section to which it is attached.

Abstract: A cylinder head gasket has at least one combustion opening, a central metallic core and an expanded graphite facing layer on each side of the core. A stress rising bead is disposed on at least one of the graphite layers encircling each combustion opening for sealing around the combustion openings.

Abstract: A valve cover gasket assembly for an automotive engine includes a rigid core having a plurality of pairs of notches, with each pair comprising one notch on the inner edge of the core and one notch on the outer edge. The assembly further includes a rigid stop member for each pair of notches, each stop member having a portion defining a fastener hole and a spaced apart lug. The stop members are secured to the core by engagement with the notches. When secured in this manner, the portion of each stop member defining the fastener hole is offset laterally from the core. An elastomeric envelope having elastomeric beads is applied over the core and a portion of each stop member, so that the beads extend continuously around the length of the assembly.

Abstract: A head gasket having a pair of armor assemblies with protective shim portions in the zones of adjacency of adjacent pairs of combustion openings. One armor's shim portions face one main surface of a main body of the gasket and the other armor's shim portions face the other main surface of the main body. The associated armors and the shims comprising the armor assemblies encapsulate the zone of adjacency and protect against degradation of that zone and enhance sealing thereat. A method of making the head gasket by applying the armor assemblies from opposite sides of the main body is also disclosed.

Abstract: A head gasket and method for making and using the same is provided wherein the head gasket includes a wire ring which has been preflattened. The preflattened ring facilitates broad load distribution and is preferably used in an internal combustion engine having a bi-metallic engine block-head arrangement wherein the head is composed of a soft metal.

Abstract: A method of making an expandable metal gasket by forming an expandable core and spreading the core to an open condition with a parallelogram linkage tool, an expandable gasket body, and an expandable gasket precursor. The application also discloses a method of making a semi-rigid gasket having elastomeric bridges holding a series of core segments together.

Abstract: A head gasket assembly for an engine with minimal space between adjacent cylinder bores. Armoring including a bridge between adjacent combustion openings is provided with the legs of the combustion openings enclosing wire rings and being welded to each other in the zone of adjacency. The wires are stabilized and maintained in permanent close adjacency.

Abstract: A gasket to be positioned between two sealing flanges of an internal combustion engine includes a plurality of stacked gasket layers. Each layer has two opposing generally planar surfaces and predetermined thickness. At least one of the gasket layers has a surface projection at a predetermined height above its generally planar surface and another layer defines a void. The surface projection is situated so that the projection aligns with and extends into the void. The combined thicknesses of the gasket layers is not increased by the height of the surface projection.

Abstract: A gauge and method for reestablishing the designed relationships between the block, heads and intake manifold of a V-engine after it has been disassembled for refinishing. The angular relationship between the surfaces of the heads is ascertained to determine if they are correctly oriented prior to final assembly with the intake manifold.

Abstract: A force sensor comprising a substrate, a conductive material providing an electrically discernible response to compressive stress disposed on the substrate, and a thermocouple disposed on the substrate proximate to the conductive material. A measurement processor is also described that includes first means for measuring electrical signals from the conductive material indicative of compressive stress, second means for measuring electrical signals from the thermocouple indicative of temperature in proximity to the conductive material, means for determining a temperature compensating factor derived from the electrical signals indicative of compressive stress and the electrical signals indicative of temperature, and means for determining a temperature compensated compressive stress value derived from the temperature compensating factor and the electrical signals indicative of compressive stress.