221 results about "Cold climate" patented technology

A heater system for an electrical storage device, such as a high voltage traction battery, is connectable to an external AC power source maintain a proper temperature of the battery as long as the system remains connected to the external power source. The battery temperature can be maintained at a level that ensures that the vehicle will start even in extremely cold climates. The heater system includes a heater disposed within the battery itself. Other system components, such as an AC/DC converter and a control module, may be connected to the battery heater system outside of the battery, allowing the battery heater system to act as a modular component that can be easily included in or excluded from a vehicle as an option, either alone or in a package with an engine block heater. The battery heater system is designed so that it can be connected along with the engine block heater to the AC power source using a single common connector.

A plug of a power cord of a block heater which is mounted to a cylinder block of an engine, is connected to a household power receptacle to energize the block heater during an engine stoppage in cold climate. Thus, an engine coolant is kept warm to prevent freeze. Existence/nonexistence of the energization to the block heater during the engine stoppage is determined based on a behavior of coolant temperature or a behavior of engine rotation speed immediately after an engine start. If it is determined that the energization to the block heater exists, abnormality diagnosis of a cooling system is prohibited or a condition for the abnormality diagnosis is corrected and estimation coolant temperature is corrected.

The invention discloses a fiber-reinforced epoxy asphalt material and a preparation method thereof, belonging to the technical field of chemical new materials for roads and bridges. The fiber-reinforced epoxy asphalt material consists of a part A and a part B, wherein the part A consists of the following components in parts by mass: 40-100 parts of asphalt, 0.1-20 parts of fibers, 5-50 parts of methyl tetrahydrophthalic anhydride, 10-100 parts of dicarboxylic acid, 10-100 parts of dicarboxylic acid polyanhydride and 0.1-1.0 part of an epoxy resin curing accelerant; the part B is an epoxy resin; and the mass ratio of the part A to the part B is (1-5):1. Special equipment is not required during preparation, an operation process is simple, and environment friendliness is realized; and after the material is cured, a three-dimensional interpenetrating polymer network structure (I PN structure) with 'low overall crosslinking density and high local crosslinking density' is formed, so that the material has excellent high-temperature use strength, high deformation capability and extremely high low temperature toughness, and can be applied as a paved layer on large-span steel bridge surfaces and road surfaces in highly-cold climate regions.

Disclosed is a process for preparation of compositions having utility as well fluid base oils. The process involves metathesis of alpha-olefins followed by isomerization of the metathesis products. The base oils resulting from the process of this invention are environmentally friendly in that they are only mildly toxic to marine life and have very low pour point temperatures. These properties make the base oils ideal candidates for use as components of well fluids for cold climates and offshore applications.

A solar defrost panel has a photovoltaic panel with an integrated electrical defrost system. The electrical defrost system has an electrical heating element that overlays the photovoltaic panel. The electrical defrost system can remove snow, frost and ice from the solar defrost panel and prevent snow, frost and ice from accumulating on the solar defrost panel. The electrical defrost system can have a controller to automatically or manually control operation of the electrical heating element. The controller can be located inside of a building for convenience of the user. The solar defrost panel provides clearing of snow, frost and ice from the solar defrost panel which can allow the photovoltaic panel to operate effectively during winter and in cold climate regions.

Disclosed is a culture system for the production of algae biomass to obtain lipid, protein and carbohydrate. By integrating heterotrophic processes with a phototrophic process in parallel, this system provides year around production in colder climates. By integrating heterotrophic processes with a phototrophic process in series, this system creates a two-stage, separated mixed-trophic algal process that uses organic carbon and nutrients for the production of seed in the heterotrophic process, followed by release of cultured seed in large-scale phototrophic culture for cell biomass accumulation. Organic carbon source including waste materials can be used to feed the heterotrophic process. The production capacity ratio between the heterotrophic and the phototrophic processes can be adjusted according to season and according to the availability of related resources. The systems are used for producing and harvesting an algal biofuel feedstock as well as other potential high-value products. The sequence and approach enhances utilization of carbon and nutrient waste-streams, provides an effective method for controlling contamination, adds flexibility in regard to production and type of available products, and supplies greater economic viability due to maximized use of available growth surface areas.

Disclosed are compositions having utility as well fluid base oils. The base oils are comprised of a mixture of internal predominantly linear tetradecene (C14) isomers and internal predominantly linear hexadecene (C16) isomers. The base oils of this invention have pour point temperatures lower than -25° C. and are environmentally acceptable to marine life. The base oils disclosed are ideal candidates for use in cold climates and for offshore drilling.

A blade system for device for recycling mixed plastic is disclosed. Furthermore, a device and a method for recycling unidentified, unclean, and unsorted mixed plastic into reusable plastic mixture is disclose. The present solution allows the recycling of mixed plastic waste outdoors, both in warm and cold climate conditions. In the course recycling mixed plastic waste the mixed plastic waste is taken to a melting temperature, at which the mixed plastic waste is mixed in a molten state, and the organic and bacterial material is destroyed during the thermal processing. After the melting, mixing and thermal processing of the mixed plastic waste, the compaction process of the molten mixed plastic waste is performed. Volume compacting is performed, and the mass of mixed plastic waste in a molten state is rapidly cooled down, crushed, after-cooled and homogenized.

The invention belongs to the technical field of high polymer materials, and particularly discloses a reinforced and toughened ultra-low temperature resistant nylon composite material. The reinforced and toughened ultra-low temperature resistant nylon composite material is prepared from the components: 55-75 parts of nylon resin, 15-30 parts of glass fiber, 5-12 parts of a toughening agent and 0.5-2 parts of a lubricating agent, the toughening agent is a mixture of amino-terminated polydimethylsiloxane, epoxy-terminated polydimethylsiloxane and an organosilicone elastomer toughening agent; andthe glass fiber is the glass fiber modified by a silane coupling agent containing an amino group or an epoxy group. The invention further discloses a preparation method of the reinforced and toughenedultra-low temperature resistant nylon composite material, and application to preparation of high-speed rail fittings in areas with extremely-cold climate and the fields of electronic engineering, communication and aerospace in the ultra-low temperature environments, the reinforced and toughened ultra-low temperature resistant nylon composite material is high in strength and good in toughness, theultra-low temperature resistant performance is especially excellent, the preparation method is simple, the production efficiency is high, and the reinforced and toughened ultra-low temperature resistant nylon composite material has the universality, and is suitable for large-scale production application.

A system and method for preventing damage and undesirable situations/conditions from occurring in point of use (POU) or point of entry (POE) water systems that are not in regular use. This invention may be implemented in residential, non-residential situations or constructions where it can add value, such as commercial properties that undergo seasonal and/or other periods of disuse. In cold climate areas, faucets should be turned on and run to prevent water in the pipes from freezing, which can cause pipes to burst or leak and result in significant property damage. In all climates rust, corrosion, particles, contamination, and biofilm, can develop and/or settle in the pipes if faucets are not turned on periodically, resulting in sub-standard water quality when the system is eventually used. Also, if water is left to sit in residential pipes, other effects/conditions can take place over time that generally effect color, taste and order of the water if it does not periodically move through the system.

The invention relates to a winter welding construction method of a long-distance transport pipeline, which is characterized by comprising the following steps of: pairing pipes, setting up a heat-preservation shed around the orifices of the pipes to be welded before welding to preserve heat and dehumidify, and carrying out all-position welding on the pipes by using a cellulose manual underhand welding method and a semiautomatic underhand welding method in a welding process, wherein the manual welding is adopted for root welding and the semiautomatic welding is adopted for other welding; heating a welded junction at 100-150 DEG C by using an electric heater after finishing welding and keeping a constant temperature for half an hour, then immediately wrapping the completed welded junction and covering with felt, binding by using a rubber belt and preserving heat for above 24 hours. The winter welding construction method of the long-distance transport pipeline has the advantages of overcoming the defect that the welding construction of the long-distance transport pipeline cannot be carried out in winter due to cold climate in northern areas and ensuring the normal welding construction of the long-distance transport pipeline in winter, has high welding quality and is suitable for welding high-intensity pipelines mainly made from X65 and the like. The winter welding construction method of the long-distance transport pipeline is characterized by low carbon equivalent, low sensitivity index of welding cold crack and high low-temperature toughness and is mainly used for the long-distance transport pipelines of petroleum, natural gas, slurry and the like.

A multi-layered-outfit 60 having one or more multi-layered-images 70 thereon consists of a base garment 20 having one or more base images 30 thereon and one or more complementary garments 40 having one or more enhancement-images 50 thereon. The base garment 20 may be made from any suitable clothing material. The complementary garment 40 must be made from a translucent or transparent clothing material in order to allow the base image 30 to be visible. Both the base garment 20 and the complementary garment 40 may be adapted to a variety of needs, such as lightweight fabric for warmer climates or a thicker fabric for colder climates. The base image 30 and the enhancement-image 50 are preferrably complementary images which combine when overlapped to form a more complete multi-layered-image 70.

A heat pipe which can prevent frost damage of the pipe body due to freezing of the typical working fluid in cold climates by encapsulating an aqueous solution containing about 0.5 to about 10 wt % glycols as a working fluid, and which has a working performance almost comparable to that of the heat pipe in which water is used as the working fluid.

The invention provides a preparation method of high-hardness wear-resistant super-hydrophobic concrete, and belongs to the technical field of building material preparation. The preparation method comprises: stirring and mixing cement, fine sand, water and a water-soluble low surface energy material to form a cement slurry; pouring the cement slurry into a mold, and flatly adhering a metal mesh to the lower surface of a pressure plate; making the lower surface of the pressure plate cover the mold; and carrying out natural air drying or cure drying to obtain the super-hydrophobic concrete. According to the present invention, the obtained super-hydrophobic concrete has advantages of high hardness, high wear resistance, freezing rain resistance, icing resistance, freeze thawing resistance, self-cleaning property, corrosion resistance and the like, and can significantly improve the durability of highway concrete, freezing rain zone pavement concrete, and coastal zone bridge concrete in extremely cold climates.

Process for producing a hydrogen-containing product gas suited for operating in regions where the ambient conditions are below freezing for extended periods of time during the winter and warm or hot during the summer months. Hot makeup water is provided to the process to avoid freezing. A portion of the hot makeup water stream is heated in a steam generator to make steam where the steam is used to heat incoming hydrocarbon feed for the process. Another portion of the hot makeup water stream may be heated by combustion product gases where the heated water stream is used to heat incoming combustion oxidant.

The invention relates to a cold-resistant acclimation method for kandelia candel seedling pot plants planted at a high latitude. The method successively comprises the following steps that firstly, kandelia candel hypocotyls developing well are collected, soaked by using seawater and transplanted to a planting field as soon as possible; secondly, flower pots are placed on the planting field and then filled with planting soil; then, the kandelia candel hypocotyls are inserted and planted in the flower pots; finally, before winter, a greenhouse is built on the planting field, it is guaranteed that tidewater can normally rise and fall to the interior of the greenhouse, and the kandelia candel hypocotyls which are inserted and planted in the flower pots are subjected to high-temperature and low-temperature alternative acclimation cultivation. According to the cold-resistant acclimation method, in the natural mudflat environment, a potting technology is used for seedling raising and acclimation at the same time, the survival rate is increased, and afforestation through kandelia candel is achieved in harsh mudflats; in the seedling raising process in winter, the environmental temperatureof the greenhouse is continuously adjusted, so that seedlings gradually adapt to the cold climate, the adaptive capacity to the lower temperature is improved, and the mangrove forest grows in a high-latitude area with the north latitude of 28-31 degrees.

An improved portable battery system having a plurality of accumulator batteries designed with circuit features to prolong life through cell balancing is disclosed. Further, the portable battery system is designed to be a lighter-weight alternative by use of individual field operators, for example, in colder climates configured to a heated garment. Additionally, the power supply includes a microcontroller that provides control and monitoring of accumulator properties. A power supply commutator is provided to aid efficient discharge of accumulators.