Abstract: A direction finding antenna array comprises at least a first dipole antenna element 14, a second dipole antenna element 16 and a third dipole antenna element 18. The dipole elements comprise respective first ends 14.1, 16.1, 18.1, respective second ends 14.2, 16.2, 18.2 and a respective feed-point 14.3, 16.3, 18.3. The first, second and third dipole elements are arranged in spaced relationship relative to one another in a non-linear pattern. In respect of each dipole element in the array (and taking dipole element 14 as an example), the first end 14.1 is connected by first and second electrical connections 24, 26 to the first end of each of two adjacent dipole elements 16, 18 in the array and the second end 14.2 is connected by third and fourth electrical connections 28, 30 to the second end of each of the two adjacent dipole elements 16, 18.

Abstract: Novel cement, concrete, mortar and grout embodiments for construction. The materials are produced through SCM and quicklime aqueous cement formation reactions. A novel cement is also presented that can be used to form improved concrete, mortar and grout placements. Several novel concrete embodiments are presented that can be used with any aggregate, and for any construction application; including saltwater marine placements.

Abstract: The present invention relates to devices, frameworks and methodologies configured to enable processing of resource consumption data via monitoring physically observable behaviors of an existing resource meter, and devices, frameworks and methodologies configured to enable provision of functionalities based on processing of resource consumption data. Some embodiments of the invention have been particularly developed for application in the context of enabling real-time monitoring of meter data, for example electrical meters, and the provision of functionality of users based on processing of monitored data. While some embodiments will be described herein with particular reference to that application, it will be appreciated that the invention is not limited to such a field of use, and is applicable in broader contexts.

Abstract: An antenna arrangement 10 comprises a first elongate limb 12 and a second elongate limb 14. The first and second elongate limbs converge towards one another at a first electrical connection point 16 and a spaced anti-phase electrical connection point 18. The first and second limbs collectively forming a closed figure with a first appendage 22, a second appendage 24, a third appendage 26 and a fourth appendage 28 to the closed figure.

Abstract: Protective coatings and methods for applying the same are described. A protective coating may be formed on a substrate to reduce or eliminate corrosion or other damage to the substrate. The protective coating may include at least one primer layer applied onto the substrate. The at least one primer layer may include polyphenylene sulfide. The at least one primer layer may be formed from polyphenylene sulfide and a partially halogenated material. At least one intermediate layer may be applied onto the at least one primer layer. The intermediate layer may include polyphenylene sulfide and a partially halogenated material. At least one top layer may be applied onto the at least one intermediate layer. The at least one top layer may consist essentially of a partially halogenated material. The at least one top layer may include polyphenylene sulfide and a partially halogenated material.

Abstract: Polyvinyl alcohol (PVOH) and polyphenyl sulfone (PPSU) organo-silanes that are stable in high temperature, high UV and/or high humidity environments are described. The PVOH and PPSU organo-silanes are useful for a variety of uses, such as anti-corrosion coatings, barrier coatings, high temperature paints, pharmaceutical coatings, pipe coatings, and tank liners. Additionally, methods for the preparation of the PVOH and PPSU organo-silanes are described herein.

Abstract: An antenna arrangement 10 comprises a first elongate limb 12 and a second elongate limb 14. The first and second elongate limbs converge towards one another at a first electrical connection point 16 and a spaced second anti-phase electrical convection point 18. The first and second limbs collectively forming a closed FIG. 20 with a first appendage 22, a second appendage 24, a third appendage 26 and a fourth appendage 28 to the closed figure.

Abstract: A core unit for a heat exchanger comprises a pair of headers spaced from one another each defining a fluid space for receiving a fluid therein and each defining a plurality of apertures. A first region comprising a plurality of first tubes extends between the headers and a first fin is disposed between adjacent pairs of the first tubes. A second region comprising a plurality of second tubes extends between the headers and a second fin is disposed between adjacent pairs of the second tubes. A crushable center different than the first and second regions is disposed parallelly between the first and second regions for controllably crushing when the headers are bent.

Abstract: A heat exchanger assembly includes a core having first and second header tanks covered by tank caps. A pair of core reinforcing members presenting terminal ends extend between the first and second header tanks. A least one tab and an opening for receiving the tab are used for connecting the core reinforcing members to the tank caps.

Abstract: A method of manufacturing a manifold of a heat exchanger is provided. The manifold has an outer wall and an inner tube with a cavity formed there between. The method utilizes a punch having a first cusp and a second cusp and includes the step of lancing the outer wall of the manifold utilizing both the first and second cusps to form a first aperture in the outer wall and to dispose the first and second cusps in the cavity. The method also includes the steps of moving the first and second cusps through the cavity toward the inner tube while maintaining at least one of the first and second cusps within the cavity and lancing the inner tube of the manifold utilizing the second cusp to form a second aperture in the inner tube. The method still further includes the step of retracting the punch from the manifold.

Abstract: A heat recovery system comprising: an LNG warmer; at least one item of equipment requiring cooling and thereby generating waste heat; a heat exchanger arranged to provide heat exchange between the LNG warmer and the waste heat, whereby said waste heat can be used to provide warming for the LNG; wherein said heat exchanger is a closed loop heat exchange means, whereby the heat exchange fluids in said heat exchanger are substantially retained within the heat exchanger during operation of the system. This enables the system to be operated offshore without needing to use the surrounding seawater to provide cooling for the waste heat from the equipment.

Abstract: A heat exchanger assembly includes a first manifold having a first manifold body with an outer wall defining a cavity and an inner partition wall integrally formed with the outer wall to define a distribution chamber disposed within the cavity. A second manifold defines a hollow cavity and is in spaced and substantially parallel relationship with the first manifold. A plurality of flow tubes extend between and fluidly connect the cavities of the manifolds. The inner partition wall has a plurality of apertures fluidly connecting the distribution chamber with the cavity. A method of manufacturing the first manifold includes the steps of extruding the manifold body, forming a plurality of openings in the outer wall, forming a plurality of apertures in the inner partition wall, inserting a separator in the manifold body, and mounting the end cap to one end of the first manifold body.

Abstract: A heat exchanger assembly has a first manifold, a second manifold in spaced and substantially parallel relationship with the first manifold and a plurality of flow tubes fluidly connecting the manifolds for passing refrigerant between the manifolds. The first manifold includes a header and tank which are joined by their longitudinal edges to form a cavity. The tank is extruded and has an outer wall and an inner partition wall with a plurality of apertures which define a distribution chamber within the cavity. The distribution chamber is fluidly connected to the cavity. A method of manufacturing a manifold generally includes the steps of extruding the tank, cutting the tank to a predetermined length, forming a plurality of apertures in the inner partition wall, forming a plurality of openings in the header, joining the tank and the header, and joining the end cap to the tank and header.

Abstract: The subject invention provides a heat exchanger assembly including a tank having a wall defining an aperture with a fitting secured thereto and a method of securing the fitting thereto. The fitting has a first end with an outer perimeter disposed exteriorly thereof and smaller than the aperture for inserting the first end of the fitting into the aperture. The fitting also has an internal tunnel extending along an axis thereto from the first end. A step of material is disposed in the tunnel at the first end, which is at least in part, radially and longitudinally displaced relative to the axis into contact with the wall to prevent rotational movement of the fitting in the aperture.

Abstract: A condenser for an air conditioning system includes a core assembly having a header tank and a receiver/dehydrator member operably connected to the core assembly for condensing a refrigerant flowing internally. The receiver/dehydrator or receiver member includes two openings to receive male couplers extending from a tubular member connected to the core assembly. The condenser includes a coupler that extends into the receiver/dehydrator member between each opening and the male couplers to form a seal therebetween. The coupler and the male coupler are connected one with the other by brazing. In an alternative embodiment, the male coupler includes a snap-in element to engage the male coupler with the coupler.

Abstract: A condenser that is to be brazed in a radiant energy oven has a significant, localized mass differential which would, without further treatment, create a significant temperature differential across the condenser in the braze oven. This is compensated for, in the method of the invention, by thermally spraying onto the surface of the higher mass portion a rough surface layer of a compatible material that increases the emissivity of that portion sufficiently, relative to the rest of the condenser, to decrease the temperature differential that would otherwise occur.

Abstract: The present invention provides a powder coating composition. The powder coating composition includes a polyester resin having both hydroxyl and carboxyl groups, a curing agent for the carboxyl groups of the polyester resin, and an uretdione hardener which reacts with the hydroxyl groups.

Abstract: A process for producing a liquefied natural product such as LNG is described where a single phase nitrogen refrigerant is used in such a way that the refrigerant stream (10) is divided into at least two separate portions (12, 14) which are passed through separate turbo-expanders (106, 108) before being admitted to separate heat exchangers (103, 104) so that the warming curve of the refrigerant more closely matches the cooling curve of the product being liquefied so as to minimize thermodynamic inefficiencies and hence power requirements involved in operation of the method.