1621 results about "Insulation system" patented technology

A gas turbine engine having a mid turbine frame comprising an annular outer case providing a portion of an engine casing; an interturbine duct (ITD) disposed within the outer case, the ITD including outer and inner rings radially spaced apart one from another and being interconnected by a plurality of radially extending and circumferentially spaced hollow strut fairings, the inner and outer rings co-operating to provide a portion of a hot gas path through the engine; a tube for delivering or discharging a lubricant fluid to or from a bearing housing, the tube extending radially through one of the hollow struts; and an insulation structure radially extending through one said hollow strut fairing, the insulation structure surrounding the tube and being spaced apart from the tube and from a hot internal surface of the one hollow strut fairing for shielding the tube from heat radiated from the hot internal surface of the one hollow strut fairing and for preventing the lubricant fluid from contacting the hot internal surface of said one hollow strut fairing when lubricant fluid leakage occurs.

Disclosed are an insulation product and an insulation system incorporating such a product for insulating exterior walls, particularly masonry walls, that incorporates at least one internal fire retardant layer and, optionally, a wicking material for transporting condensate away from the interface between the insulating product and the exterior wall. The insulation system includes an integrated support element that can be used to increase the rate of evaporation via various methods, provide for the concealed distribution of cables and wiring and/or improve the aesthetic appearance of the insulating product.

A cup insulating system, comprising a layer of elastomer formed into a homogeneous seamless conical sleeve, the conical sleeve having an exterior surface, an interior surface an upper opening and a lower opening, wherein the upper opening is configured for receiving a beverage cup, and the inner surface of the conical sleeve is configured to contact an outer surface of the beverage cup.

A new insulation system is provided that contains microspheres. This insulation system can be used to provide insulated panels and clamshells, and to insulate annular spaces around objects used to transfer, store, or transport cryogens and other temperature-sensitive materials. This insulation system provides better performance with reduced maintenance than current insulation systems.

The present invention provides an insulated pipe comprising a pipe and a composite insulation system, said composite insulation system comprising: (a) a first insulation layer comprising a first insulation material having a thermal conductivity k-factor value of less than 0.023 W/m-K at 38° C.; and (b) at least one additional insulation layer comprising an insulation material having a thermal conductivity k-factor greater than that of the first insulation material and a maximum operating temperature limit less than that of the first insulation layer. The composite insulation system is bonded to an exterior surface of the pipe with the first insulation layer facing towards said exterior surface of the pipe. At least one of said first insulation layer or said at least one additional layer extends continuously about the exterior surface of the pipe. The present invention further provides an insulated pipe for use in an undersea pipeline and an insulated pipe for use in a subterranean pipeline.

The interlocking curtain wall insulation system comprises a frame connected to a building structure having at least first and second parallel transoms, at least first and second parallel mullions, the at least first and second parallel transoms operably engaging the at least first and second parallel mullions. The device further comprises an insulation including a safing insulation extending between a floor slab and the backer bar and compressively fit therein, an upper curtain wall insulation depending from an upper insulation hanger and compressing the safing insulation, and a lower curtain wall insulation depending from a lower insulation hanger.

The invention discloses an integrated pin tool used for friction stir welding and a composite method of resistance-friction stir welding thereof. The pin tool comprises a pin tool body arranged on a friction welder and a tool pin arranged at the lower part of the tool pin body which is connected with the welder in a clamping and insulating manner; the pin tool also comprises a forced cooling system, a current carrying system, a gas shielding system, a temperature sensing and detecting system, a sealing and insulation system, an inner shaft shoulder and the tool pin, and is an integrated pin tool which has the functions of gas shielding, forced circulation cooling of internal liquid medium, automatic temperature sensing and detection, tool pin changing and composite non-keyhole resistance-friction stir welding. The invention overcomes the difficulty of friction stir welding of the high melting point metal and meets the harsh technical requirements of the friction stir welding of the low melting point metal, improves the quality of welding joints, prolongs the service life of the pin tool and realizes the friction stir welding of high melting point metal and low melting point light alloy, with low cost, high efficiency and excellent quality.

The invention relates to a building wall insulation composite board and a preparation method of the building wall insulation composite board, and belongs to the technical field of building energy-saving insulation materials and preparation methods. A wall insulation hard foam polyurethane composite board comprises inner cores, protective layers coated on the peripheries of the inner cores and interface layers coated on the upper surfaces and the lower surfaces of the protective layers in an attached mode. The inner cores are vacuum insulation boards. The preparation method of the wall insulation hard foam polyurethane composite board comprises preparation of interface coiled materials: coating prepared flame-retarded polymer mucilage on base materials to produce the interface coiled materials, and manufacturing of the protective layers and the wall insulation hard foam polyurethane composite board. The insulation composite board has good thermal insulation performance, waterproof performance and heat insulation performance, can satisfy 65% requirements of building energy efficiency very well, is high in bonding strength and convenient to construct and operate, greatly increases overall fireproof performance of the whole wall heat-insulation system after being arranged on a wall, and can be widely applied to the inner portions of walls, outer walls, and roof covering thermal insulation systems, heat insulation systems and waterproof systems.

The invention relates to a high-temperature comprehensive property evaluation experimental device of a sealing spacer, comprising a spacer loading system, a flange lifting separation system, a spacerdeformation measuring system, a heating and temperature control measuring system, a cooling heat insulation system, a medium setting system, a medium sealing and leakage rate measuring system and a data acquisition system. The invention has the advantages of high parameter, convenient experiment, compact structure of a whole experimental machine, small occupying area, and the like, takes a low-pressure area as a leakage measuring cavity, enhances the measuring precision of the pressure of the leakage measuring cavity and also effectively avoids the problem of pipeline leakage caused by takinga high-pressure area as a leakage cavity so that the measurement of the sealing property of the spacer is more accurate; and in addition, the flange lifting separation system can solve the problem ofthe difficult bonding and separation of the high-temperature experimental spacer and a flange.

An insulation system comprising layers of honeycomb cores where each core is enclosed in a sealed container made of radiation barrier material. The container is evacuated and becomes a vacuum enclosure for the honeycomb cores. To reduce the heat transfer between the honeycomb cores, the cores are placed in an offset arrangement.

A sound insulation system for use with a vehicle includes a layer of fibrous padding material having a first surface and an opposite second surface. The first surface includes multiple spaced apart recesses. The second surface includes a substantially flat surface portion that extends over two adjacent recesses. The multiple recesses are configured to define multiple voids when the sound insulation system is mounted in the vehicle, thereby enhancing acoustical performance of the sound insulation system.

A fire barrier panel of the kind suitable for lining car decks and engine rooms of high speed aluminum ferries is described. The panel (10) includes a relatively thin layer of inorganic insulating material (12) adhered to a lightweight support structure (14). The layer of inorganic insulating material may be an intumescent material made from mineral fibers. The decribed lightweight support structure (14) is a honeycomb panel having a honeycomb core (18) of non-combustible aluminum foil provided with two face skins made of glass reinforced plastics resin material (16). This construction of the honeycomb panel (14) is lightweight and has high stiffness and rigidity suitable for stiffening and supporting the insulating material into a rigid panel. The layer of intumescent material (12) supported on the panel expands when exposed to high temperatures to form a thick fire insulating barrier panel. Because the panels are self-supporting, and therefore support structures, installation costs are much lower than for prior art fire insulation systems.

The invention discloses a method for evaluating ageing state of paper oil insulation. The method is characterized by comprising the following steps of: 1, measuring a relative dielectric constant and a dielectric loss factor of a paper oil insulation test product by adopting a frequency domain dielectric spectroscopy method; 2, establishing a composite exponential function relational expression of the relative dielectric constant and insulation paper polymerization of the paper oil insulation test product, and a composite exponential function relational expression of the dielectric loss factor and the insulation paper polymerization of the paper oil insulation test product; and 3, evaluating the ageing state of a paper oil insulation system by using the relational expressions. A device provided by the invention is simple in structure, is easily implemented, and is greatly improved in accuracy.

The invention discloses a spherical silicon dioxide/polyimide composite film and a method for making the same as well as an application. The method for making the spherical silicon dioxide/polyimide composite film comprises the following steps that: 1) spherical silicon dioxide particles are scattered into an organic solvent evenly to obtain the spherical silicon dioxide particle suspension liquid; 2) a surface treatment agent, a molecular weight modifying agent, an auxiliary adhesive, a flatting agent and aromatic series diamine are dissolved inside the spherical silicon dioxide particle suspension liquid; organic dicarboxylic anhydride is added to be stirred in order to obtain a spherical silicon dioxide/polyamide acid mixing resin solution; 3) the mixing resin solution is coated on the surface of a flat substrate and is heated up to make the solvent volatilize and complete the imide reaction to obtain the spherical silicon dioxide/polyimide composite film. The spherical silicon dioxide/polyimide composite film has good mechanical property, good corona resistance, low thermal coefficient of expansion and low moisture absorption ratio, and has important application value in an insulating system of a frequency conversion speed motor.

An insulating panel to be used in a panelized insulation system for insulating and finishing walls, including basement walls has a foam core made of inorganic materials. The system incorporates a capillary break, an integrated water drainage system and an electrical wire chase system within an insulating wall panel. Vertical slots are provided for insertion of metal studs for use in attaching the interior finish panel, such as inorganic fiber cement board with a vinyl laminate finish, onto the insulating panels. Embedding metal studs in the panel core reduces the sound transmission though the panel and eliminates thermal bridging between warm and cold surfaces. Steps on the edges and the top/bottom surfaces of the insulating panel allow more panels to join together with shiplap joints.

A method and apparatus for enclosing a user is provided. The user is shielded from the ambient conditions existing outside a portable enclosure. The enclosure includes an insulation system. The insulation system includes a radiant barrier.

A finishing system has lineal adaptors which are used with primary lineals where the primary lineals are fixed to a building structure to create primary insulation cavities. Insulation panels are positioned within the primary insulation cavities and the lineal adaptors are added to the primary lineals to create secondary insulation cavities. Finish insulation panels are positioned within the secondary insulation cavities and trim pieces are added to the lineal adaptors.

The invention discloses a pin tool used for friction stir welding, which integrates an electromagnetic vibration system, an electromagnetic action system, an internal forced cooling system, a gas-shielded forced cooling system, a temperature induction system and a sealing and insulation system, and is an integrated pin tool used for friction stir welding, which has the functions of electromagnetic vibration in-situ composite electromagnetic action, forced temperature control, gas shielding and temperature detection, and a device thereof is further disclosed, and can be applied in electromagnetic vibration in-situ composite electromagnetic action friction stir welding and the preparation of ultrafine grain materials with large thickness and large area by severe plastic deformation.

A method for measuring partial discharges in windings of electrical devices comprised by the following steps: Applying voltages having high frequency components to the winding of the electrical device, detecting partial discharge signals by means of a tuned VHF and/or UHF electromagnetic sensor located close to the electrical device and evaluating the detected sensor signals by means of electrical hardware or software. Further, a VHF and/or UHF electromagnetic sensor for measuring partial discharges in windings of electrical devices is described wherein an antenna made of a coaxial cable is provided as electromagnetic sensor. The present invention provides an improved measuring method and sensor device, which avoid the drawbacks of the prior art. The improved measuring method provides more detailed information about the status of the insulation system and clear short-circuits during the testing are not necessary any more. The proposed sensor provides a surprisingly simple and inexpensive solution.

A method and/or system is provided that compensates for the flow of air through fiberglass insulation. In certain example embodiments, a dynamic heat flow meter or the like is provided for measuring and/or determining any detrimental effects of air flow through insulation such as fiberglass insulation. Once the possible detrimental effects are recognized, an insulation system is adapted (e.g., by providing a foam based insulation in a wall cavity in addition to the fiberglass insulation) to compensate, or substantially compensate, for the effects of air flow through the fiberglass. For instance, a sufficient amount of foam insulation may be provided in a cavity adjacent fiberglass, where the foam blocks or substantially blocks air from flowing through the cavity, thereby compensating for the effects of air flow through fiberglass and permitting the intended R-value to be maintained or substantially maintained.

The invention discloses an external insulation system and a construction method of a straight compressing EPS inorganic composite plate. The external wall firstly pre-produces the straight compressing EPS inorganic composite plate or a straight compressing EPS inorganic composite decorative board in a factory and compresses an inorganic composite enhancement layer onto a single-side of an expanded EPS plate by using a mechanical method; the outer surfaces of a base course wall of a building all adopt the EPS inorganic composite plate which adheres to a leveling blanket through bonding sands; the slab joint is pointed by jointing material and the outside of the jointing material is sealed again by weather proofing sealant; and a finish is arranged at the lateral of the system. The invention is characterized by the anti-crack, the good durability, the reliability and safety, the low cost and the fast construction.

The invention provides hot-cold combined casting mould horizontal continuous casting equipment of cupronickel tubing and a technology thereof. The equipment comprises a smelting system for melting metal, a heat insulation system for storing molten metal, a horizontal continuous casting system for casting and shaping and an auxiliary system, wherein in the continuous casting system, the front end of a cold shaping section is provided with a hot shaping section so as to effectively control the solid-liquid interface of a tube billet to be located near the juncture of a cold section and a hot section; a shorter water-cooling copper bush and electromagnetic induction heating are adopted to reasonably design coil structure and the power and the frequency of a heating power supply, reduce electromagnetic constraint force to balance the hydrostatic pressure of a metal fusant, reduce friction between a primary kish and the casting mould, improve the surface quality of the tube billet and prolong the service life of the casting mould. Thus, the inner surface and the outer surface of the tube billet manufactured by the invention have good quality and no defects of orange peel, wrinkles, cracks and the like, net shape continuous casting is realized, the production efficiency and the metal yield are improved and the production cost is obviously lowered.

A breathable, multi-layer exhaust insulation system is provided. The system includes a multi-layer sleeve, wherein the first layer, which is positioned adjacent the exhaust system pipes, is a braided sleeve which may be constructed from high-temperature resistant materials such as e-glass, s-glass, silica or ceramic. Additional braided layers of material may be included, as well. An outside cover of material is preferably a circular knitted fabric that contains glass fibers and resin-based fibers. The knitted fabric forms a tube on the outside of the insulating layers, and may be formed from a core spun yarn, which includes a glass filament core and a high-melt fiber on the wrap. Optionally, the system may also include a perforated or unperforated metal foil layer and/or a tape wrap, and the various components may be configured as desired.

A gypsum board comprises a set gypsum layer having a first face and a second face. An uncoated fibrous mat is affixed to at least one of the faces. The mat comprises a non-woven web bonded together with a resinous binder. The web comprises glass fiber consisting essentially of a major portion composed of chopped continuous glass fibers having an average fiber diameter ranging from about 8 to 25 μm and optionally a minor portion consisting essentially of at least one of small diameter glass fibers having a fiber diameter of at most about 13 μm and microfibers having an average fiber diameter ranging from about 0.05 to about 6.5 μm. The board is exceedingly durable and has a high resistance to water absorption, rendering it particularly useful for exterior insulation systems.