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THAWING AND FREEZE PROTECTION

Subclass of:

138 - Pipes and tubular conduits

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
138032000THAWING AND FREEZE PROTECTION40
20090242062FLUID TRANSFER TUBE - A problem solved by this invention is to enable prevention of damage to a connector in a fluid transfer tube that is made by mounting a connector to an end of a tube, even when an outside air temperature falls below freezing point. The problem is solved as follows. In a fluid transfer tube that is made by mounting pipe joints to ends of a tube that has elasticity, tube connecting portions of the pipe joints and sections of the tube in the vicinity of the tube connecting portions are covered with heat radiation preventing covers to thereby delay freezing of a fluid inside the tube sections that are covered by the heat radiation preventing covers.10-01-2009
20110214770INSULATING CARTRIDGE - The invention relates to an insulating cartridge for use as part of a pipe jacket insulation, comprising a substantially closed sheet metal casing (09-08-2011
20130186498INTERNALLY HEATED FLUID TRANSFER PIPES WITH INTERNAL HELICAL HEATING RIBS - A system for transferring and heating fluid is disclosed comprising a fluid transfer pipe having an internal surface and an external surface, and at least one helical heating rib connected to the internal surface of the fluid transfer pipe structured and arranged to generate non-laminar flow and to heat the fluid as it flows through the fluid transfer pipe. A method of heating fluid contained in a pipe is also disclosed. The method comprises providing at least one helical heating rib connected to an internal surface of a fluid transfer pipe, and passing the fluid through the fluid transfer pipe, whereby the at least one helical heating rib generates turbulent flow of the fluid to thereby heat the fluid. The helical heating ribs may comprise hollow channels through which a heating liquid may be passed to further heat the fluid contained in the pipe.07-25-2013
20130291984Insulation Assemblies, Insulated Conduit Assemblies, and Related Methods - Embodiments of the present disclosure relate to insulation assemblies that may be wrapped around conduits or other structures to form an in insulated conduit assembly. The insulation assembly may include an outer jacket and a plurality of trapezoidal insulation segments coupled to the inside surface thereof. The trapezoidal insulation segments, which may be formed from closed-cell foam, conform to the shape of the conduit when wrapped thereon. Related methods are also provided.11-07-2013
20140069540WRAPPABLE SLEEVE WITH HEATING ELEMENTS AND METHODS OF USE AND CONSTRUCTION THEREOF - A wrappable protective sleeve for preventing fluid from freezing in a conduit; method of protecting and heating a conduit, and method of constructing a sleeve for protecting and heating a conduit are provided. The sleeve includes an elongate wall having opposite edges extending lengthwise between opposite ends. The opposite edges are configured to overlap one another to form a dual layer overlap region including an outer portion and an inner portion underlying the outer portion to provide an enclosed tubular cavity. The at least one elongate heating element extends between the opposite ends within the inner portion of said wall.03-13-2014
20140196808SUPPLY SYSTEM FOR A LIQUID - A supply system for liquid including a liquid tank and a liquid supply line forming a passage for the liquid from the tank to an outlet of the supply system. The supply line includes at least one part configured to form at least one gas pocket communicating with the passage to take up a change of volume of the liquid in event of freezing. Such a system can be used in a selective catalytic reduction system (SCR).07-17-2014
20160069049PIPERNATER : THE PIPE HIBERNATION SYSTEM - An apparatus composed of a 15″ long by 3″ diameter reservoir, joined by an adjustable, water tight 2″ diameter union to a 6″ long and 1.5″ diameter elbow with a standard female hose spigot connector for connecting to and/introducing forced air by way of any standard vacuum cleaner to purge water from a plumbing system and to then introduce antifreeze into said plumbing system in a simple and expeditious manner.03-10-2016
20160160759ANTIFREEZE SYSTEM FOR A PIPEWORK - An antifreeze system for a pipework, the antifreeze system comprising a framework configured to be fixed to the pipework, and at least one thermally insulating sleeve maintained around the pipework by the framework. Each sleeve is configured so that a space is produced between the sleeve and the pipework. The framework has an inlet and an outlet which are configured to produce a fluid communication between the outer side of the antifreeze system and the space. The inlet is fluidly connected to a source of hot air. Such an antifreeze system thus enables a flow of hot air around the pipework which thus prevents the liquid which flows therein from freezing06-09-2016
138033000 Electric 30
20080202616Fluid Transporting Tube - A fluid transport tube comprising at least an inner layer, an outer protective layer, and an intermediate temperature regulator device connected to a source of voltage and suitable for heating the transported fluid towards an equilibrium or reference temperature by using a positive temperature coefficient thermistor presenting electrical resistance that is automatically controlled by temperature and that is connected to the source of voltage via at least two conductor elements delivering the current needed for heating it, wherein each conductor element is a metal wire that is supported by a textile ply wound around the inner layer of the tube, and wherein said inner layer is based: on at least one elastomer; or on at least one thermoplastic elastomer selected from the group consisting of ionomers and olefin-based thermoplastic elastomers having a cross-linked elastomer phase.08-28-2008
20080271801Heated Coupling - Cabling for a motor vehicle includes at least one fluid hose, a first cable for heating the fluid hose and at least one electrical connector for connecting the cable to an electrical supply, and at least one hose connector for connecting the fluid hose to a cooperating connector means. The hose connector may be provided with an electrically heated device arranged to heat at least part of the hose connector.11-06-2008
20090126817LIMB FOR BREATHING CIRCUIT - A limb for a breathing circuit manufactured from very thin walled polymer materials has an elongate axial reinforcing spine lying freely inside the conduit and fixed to each end connector. The spine is laterally compliant but axially stiff. The spine provides resistance to tensile and compressive loads on the conduit, including that induced by prevailing internal pressures.05-21-2009
20090159144FLEXIBLE PIPES - The invention relates to flexible pipes for transporting cryogenic gas in liquefied form. The pipe is of composite form and comprises an inner pipe adapted to withstand pressure loads and cryogenic temperatures, an outer pipe adapted to withstand tensile axial forces, and a layer of insulating material (06-25-2009
20090217999MULTILAYER HEAT TRACING INSULATION DEVICE AND METHOD - A heat tracing device has one or more heating elements positioned adjacent to a heatable surface, an aerogel high temperature insulation layer adjacent to the one or more heating elements, a low temperature insulation layer adjacent to the aerogel high temperature insulation layer and a locking mechanism effective to fix the position of the low temperature insulation layer to the aerogel high temperature insulation layer.09-03-2009
20090266435Grounding system for a heated hose - A sturdy electrical power circuit and grounding circuit for an electrically-heated hose is formed by electrically connecting a grounding wire extending along the length of the hose to a pair of fluid couplings fitted on opposite ends of the hose. The grounding wire is mechanically clamped against the inner wall of the hose by radially-outwardly expanding a tube on each coupling against the grounding wire to secure the grounding wire in place while simultaneously forming an electrical connection between the grounding wire and the fluid couplings.10-29-2009
20100032042Duct Optimization to Prevent Freezing - In a device for conveying liquids or moist gases through a closed duct in a vehicle fuel cell power systems, freezing of the duct is prevented by providing a part of its internal wall flow passages or flow chambers with a nonwoven material. The nonwoven material, absorbs liquid in disperse form at low temperatures through its capillary action and inhibits premature ice formation.02-11-2010
20100186844Heated Garden Hose For Use Cold Weather - The present invention is related to a heated garden hose that has a flexible hose with an inlet and an outlet. The garden hose has an inlet coupler and an outlet coupler. A heating cable coupler is connected between the inlet and the outlet of the flexible hose. A heating cable has a first end with an electrical plug and extends through the heating cable coupler into the interior of the flexible hose. The heating cable is free floating inside the flexible hose. A thermostat, attached to the exterior portion of the heating cable, controls the heating cable and is designed to turn the heating cable off just above the freezing temperature of water. A clip is inserted into the flexible hose near the outlet to hold the heating cable inside of the flexible hose.07-29-2010
20100206415HEATED FLUID CONDUIT END COVERS, SYSTEMS AND METHODS - A fluid conduit body having a semi-conductive material disposed therein and at least one wire coupling an electrical power supply to the conduit to provide an electrical current therethrough to heat the fluid conduit also has an end cover molded over a fitting fitted to an end of the conduit and over an end of the wire coupling the power supply to an end of the conduit. Alternatively, a fluid conduit heating system employs a semi-conductive sleeve disposed over a fluid conduit with the sleeve extending at least partially over a fitting fitted to an end of the conduit. An electrical power supply is coupled to each end of the sleeve to provide an electrical current through the semi-conductive sleeve to heat the sleeve and the fluid conduit. An end cover is molded over at least a portion of the fitting and the sleeve extending thereover.08-19-2010
20100307622PIPE HAVING FUNCTION CAPABLE OF PREVENTING FREEZING BURST USING STRIP TYPE SURFACE HEATER AND FABRICATING METHOD THEREOF - Provided is a pipe having an anti-freezing function including a strip type surface heating element which is capable of having a function of preventing the pipe from freezing and bursting, and a fabricating method thereof, in which the pipe is a relatively thin film and includes a surface heating element therein. The anti-freezing pipe includes: a ribbon heater which has a strip type surface heating element which emits heat when electric power is applied to both ends of at least one strip, and the strips are arranged with an interval in parallel with each other when the strip type surface heating element is formed with a number of strips, and an insulation layer which is coated on the outer circumference of the strip type surface heating element in a plate form, and which is spirally wound to form a cylindrical shape; and a spiral junction portion which pins side surfaces of the spirally wound ribbon heater.12-09-2010
20120138183METHOD FOR MANUFACTURING RIGID TUBULAR PIPES HAVING DOUBLE CASING, AND FACILITY DEDICATED TO MANUFACTURE OF SAID PIPES - A method and a facility for manufacturing rigid tubular pipes having a double casing for hydrocarbon transport. The pipes include an inner rigid tube (06-07-2012
20120234421ELECTRICALLY-HEATED HOSE ASSEMBLY FOR SELECTIVE CATALYTIC REDUCTION (SCR) SYSTEMS - Electrically-heated hose assembly including a hose and a first and a second fitting. The hose is constructed as having a core tube, a pair of spiral wound wires surrounding the core, and a jacket surrounding the core tube. A first end of each of the fittings is within a corresponding end of the hose, with a second end of the fittings extending beyond the hose end. The wires are wound around at least a portion of the second fitting end of a corresponding one of the fittings.09-20-2012
20130025728HEATING DEVICE FOR A DEVICE FOR TRANSPORTING A FLUID CONTAINING A HYDROCARBON - The invention relates to a heating device for a device for transporting a fluid containing a hydrocarbon. The heating device comprises a rigid structure extending between two lateral walls, forming a space between the lateral walls. A flexible membrane comprising heating means extends into the space in order to define, in said space, an inner cavity and an outer cavity. Pumping means designed to supply a fluid to the inner cavity, remove said fluid therefrom, or keep said fluid therein, in order to bring the membrane into contact with the transport device so at to heat same.01-31-2013
20130042938GROUNDING SYSTEM FOR A HEATED HOSE - A grounded electrical circuit in a heated hose is provided. In one embodiment, the heated hose assembly includes: a flexible hose body; a first and a second heating wires and a hose ground wire each extending longitudinally and parallel to an axis of the hose body and within an inner wall; a first fluid coupling provided on the first end portion of the flexible hose body, the first fluid coupling comprising a stem inserted into the flexible hose body and radially clamping an end of the hose ground wire against an inner surface of the inner wall, such that a contact between the first fluid coupling and the end of the hose ground wire grounds the hose ground wire; a power cord electrically connected to the first and second heating wires and to the hose ground wire; and a thermostat electrically connected to the first and second heating wires.02-21-2013
20130048128PROTECTION OF WATER CONDUITS AGAINST FROST - A water-transporting line includes an integrated heater system for protection against frost and the appropriate connection, attachment and control elements. A self-heating water conduit segment is provided that has an integrated heating device, which device encloses the outer surface of the water conduit segment. The various segments may be connected mechanically and electrically using corresponding connecting elements.02-28-2013
20130299030HEATABLE LINE PIPE AND A METHOD FOR PRODUCING THE HEATABLE PIPE - A heatable line pipe useful for diesel fuel systems and fuel cell systems is provided. The heatable line pipe comprises in order from an inside of the pipe: a) an electrically insulating inner layer; b) a first electrically conductive layer; c) at least two current leads wound spirally around the first electrically conductive layer; d) a second electrically conductive layer over the at least two current leads forming a surface; and e) an outer cladding of an electrically insulating plastic material. The thickness of the second electrically conductive layer is 0.1 to 1.5 mm, and the at least two current leads form wave peaks in the surface of the second electrically conductive layer. The line pipe has the advantage that a fall in heating performance over the lifetime is effectively prevented.11-14-2013
20140053935Conduit Apparatus, System, and Methods Thereof - A conduit apparatus, system, and method of using a conduit are disclosed. The conduit apparatus includes a plurality of fluid-transporting tubes. A cable channel is positioned substantially parallel to the plurality of fluid-transporting tubes. An elongated, temperature-controlling device is positionable within the cable channel. A bundling jacket is surrounding the plurality of fluid-transporting tubes and the cable channel.02-27-2014
20140110004MULTIPLE-LAYER ELECTRICALLY HEATABLE MEDIUM LINE - In a multiple-layer electrically heatable medium line having a medium-resistant inner layer, a heating layer which is provided with at least two conductors or heating conductors, and an outer layer, the layers of the medium line are single-layer or multiple-layer, and the conductors or heating conductors are embedded within the heating layer such that they are coiled in the longitudinal direction of the medium line, in a radially and/or axially predefined position.04-24-2014
20140230941AT LEAST PARTIALLY HEATABLE LINE-CONNECTOR FOR A HEATABLE MEDIA LINE, AND AN ASSEMBLED MEDIA LINE COMPRISING SUCH A LINE-CONNECTOR - An at least partially heatable line-connector for a media line which can be heated, the line-connector at least partially including a thermally-conductive or thermally-conducting material, with a heating system and/or heating elements being associated outside the body of the line-connector. An assembled media line with at least one heatable media line is provided with at least one such at least partially heatable line-connector.08-21-2014
20140238523APPARATUS FOR HEATING A PIPELINE - The invention relates to an apparatus for heating a pipeline system, comprising at least two pipelines (08-28-2014
20140366974ASSEMBLED HEATABLE MEDIA LINE COMPRISING A MEDIA LINE HAVING AT LEAST TWO HEATING ELEMENTS ARRANGED ON THE EXTERIOR THEREOF, AND METHOD FOR THE PRODUCTION THEREOF - A heatable media line having at least one media line with two connector ends, in particular line connectors, and at least two electrical heating elements. At least one element is provided by which a differentiated heat input and/or output is enabled or provided for at both connector ends of the heatable media line.12-18-2014
20140373954Pipe Insulation System and Method - An insulation system for process vessels or piping. In one embodiment, a first sheath having a heat-reflective coating on an inner surface thereof is spaced from a structure. A second outer sheath is provided exterior to the first sheath. An insulation layer is provided intermediate the sheaths. In another embodiment, an outer sheath has insulation disposed on an inner surface thereof, the insulation being intermediate the inner surface and the structure and is spaced therefrom. A liner having a heat-reflective coating on an inner surface thereof is provided on the inner surface of the insulation. In another embodiment, a reflective metal foil is wrapped around a structure which may be equipped with an external heating means. A shell having an inner heat-reflective surface is disposed circumferentially to the structure, with an air gap there between. Disposed exterior to the shell is insulation, and optionally, a protective coating and/or second shell.12-25-2014
20150020907Water outlet for a sanitary system of a rail vehicle - A water outlet for a sanitary system on a rail vehicle includes a water outlet pipe and a heating device for protecting the water outlet pipe from frost. The heating device is guided from outside into an end piece of the water outlet pipe and therefore is at least partially arranged in the interior space of the end piece.01-22-2015
20150053293Multilayer pipeline in a polymer material, device for manufacture of the multilayer pipeline and a method for manufacturing the multilayer pipeline - A multilayer pipeline (02-26-2015
20150122362DIRECT ELECTRICAL HEATING ARRANGEMENT COMPRISING A POWER ELECTRONIC CONVERTER - It is described an arrangement for providing an AC current to a load for direct electrical heating, the arrangement comprising a AC-DC-AC converter cell (05-07-2015
20150144217HEATED HOSE ASSEMBLY - A heated hose assembly may include a flexible hose and a heating element. The flexible hose defines an internal water channel and includes first and second hose couplings secured to first and second ends, respectively. The first end is opposite the second end. The heating element extends from the first hose coupling to the second hose coupling through the flexible hose. The heating element is configured to heat the first and second hose couplings and the flexible hose.05-28-2015
20150338010THERMALLY INSULATED AND HEATED DOUBLE-WALLED PIPE SEGMENT FOR FITTING BY SCREW-FASTENING, AND A METHOD OF IMPLEMENTING SUCH A PIPE SEGMENT - The invention relates to a segment designed to be fitted by screw-fastening for implementing a fluid transport pipe for transporting a fluid, which pipe comprises an inner wall and an outer wall, the segment comprising an inner tube and an outer tube that define an annular space between them, the segment comprising in particular one heating duct placed in its annular space and opening out at either end of its annular space, said annular space being designed to be closed hermetically in order to enable it to be brought to a reduced pressure. The invention relates further to a method of manufacturing said segment and a method of implementing said fluid transport pipe.11-26-2015
20160040817HYDROCARBON FLUID PIPELINE INCLUDING RF HEATING STATION AND RELATED METHODS - A hydrocarbon fluid pipeline may include pipeline segments connected together in end-to-end relation between first and second spaced apart geographic locations and configured to carry hydrocarbon fluid therethrough. The hydrocarbon fluid pipeline may also include a radio frequency (RF) heating station that may include an RF source and an RF heater between adjacent pipeline segments of the plurality thereof. The RF heater may include an inner tubular dielectric coupler between the adjacent pipeline segments, and an electrically conductive outer housing surrounding the inner tubular dielectric coupler and connected to the RF source to heat the hydrocarbon fluid.02-11-2016
20160053468Electrical Pipe Thawing System and Methods of Using the Same - The present invention relates to a system for thawing frozen pipes utilizing electricity. Specifically, the present invention relates to electrically charging a section of frozen pipe such that heat is generated and causes the ice therein to thaw. Even more specifically, the present invention relates to one or more ports disposed above specific portions of pipe that extend upwards towards a surface thereabove and provide electrical access to the specific portions of pipe from the surface.02-25-2016
20180023767Sealing Arrangements for Subsea Pipe-in-Pipe Systems01-25-2018
138034000 Anti-freeze substance 1
20090095367BRAKE LINE ANTIFREEZE ASSEMBLY AND METHOD OF USING SAME - A de-icing assembly is used for unblocking a trailer brake line. The trailer brake line includes a receiving end that is connected to a truck end of a truck brake line. The de-icing assembly includes a housing including an interior space for storing an alcohol fluid. The housing also defines a top surface and a bottom surface. An inlet extends through the top surface. The inlet is removably connectable to the truck end of the truck brake line. The de-icing outlet also includes an outlet that is removably connectable to the receiving end of the trailer brake line. The outlet includes a fluid tube extending to a distal end disposed adjacent the bottom surface of the housing such that pressurized air received in the housing from the inlet forces the alcohol fluid stored in the housing out the outlet and into the trailer brake line to unblock the trailer brake line.04-16-2009
138035000 Portable thawing apparatus 1
20130087235Apparatus and Method for Deicing - An apparatus and method for thawing frozen lines. Water is heated and supplied under pressure to the inside of a frozen line such as a frozen plastic or metal pipe. In one non-limiting embodiment the invention comprises an air compressor, a plurality of tanks, a water heater element located in one tank, and a reel of flexible tubing. In a preferred embodiment the complete kit is mounted on a carrying device, which can be maneuvered manually through standard size doorways. In one embodiment a water delivery nozzle made of heat conducting metal is fitted to one end of the tubing. The compressor can be an electrically powered air compressor thus allowing the invention to be used inside buildings. In another embodiment deicing agent is directed into a frozen pipe in controlled pulses to further aid thawing of frozen lines.04-11-2013

Patent applications in all subclasses THAWING AND FREEZE PROTECTION

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