78 results about "Extreme Cold" patented technology

The invention provides a concrete construction method for high-cold areas in low temperature seasons. In the construction method, a whole set of construction standards and specifications for the selection of raw materials, the mixture ratio design of concrete, concrete position, heat preservation during transportation, concrete mixture and pouring, temperature monitoring, concrete maintenance after pouring and other aspects is formulated, so the method solves problems caused by the conventional concrete construction of hydropower projects in high-cold areas and low temperature seasons.

A digitally based system is designed to sense temperatures at a plurality of places and transmit temperature data along a hard-wire cable or distributed (wireless) network to an integrated data collection and control appliance. The system can perform single “spot” measurements or arrange multiple readings in a database for later use. Semiconductor-based sensors with digital output and data transmission capabilities allow large numbers of sensors to be placed along extended lengths of signal cable consisting of only three or four wires. The device incorporates electrical insulating materials, encapsulants, and mechanical strain relief designed to protect the sensors and transmission lines from failures related to exposure to extreme cold. Though described here for cold region applications, the embodiment of this invention encompasses moderate and tropical environments as well, or temperatures ranging from −40 C to +85 C.

An inflatable docking station for a Mars roving vehicle (Mars rover) provides a recharging station as well as a storage facility for the Mars rover during adverse environmental conditions. The docking station / garage allows for extended operational life for the Mars Rover, allows for the Mars rover to operate at the polar regions of Mars, where extreme cold conditions restrict rover operation, and provides for a warmer habitat for the Mars rover. Conventional planetary roving vehicles only be deployed from the warmer equator region of the planet surface. However, these roving vehicles may never explore the polar regions because the roving vehicle may not have enough stored power. The docking station / garage provides a remote outpost for, among other things, storing and recharging the Mars Rover to allow it to reach more remote areas.

Methods and devices for preventing a change in the core body temperature of a mammal under cold conditions are provided. In the subject methods, a requirement for thermal energy input in said mammal is first detected. In response to the detection of this requirement for thermal energy input, a surface of a portion of the mammal is contacted with a warm temperature medium under negative pressure conditions for a period of time sufficient to introduce thermal energy into the core body of the mammal. The subject devices include at least a means for detecting a requirement for thermal energy input and a means for contacting a surface of the mammal with a warm temperature medium under negative pressure conditions. The subject methods and devices find use in a variety of applications, and are particularly suited for use in maintaining the core body temperature of a mammal substantially constant under cold conditions for an extended period of time.

The purpose of the invention is to provide a microbial inoculant used for low temperature fermentation of organic fertilizers. The microbial inoculant comprises Bacillus subtilis WEI-62, Bacillus licheniformis WEI-67, Bacillus amyloliquefaciens WEI-79, Enterococcus faecium WEI-89 and Candida utilis WEI-107, wherein the total quantity of Bacillus subtilis is 1.26 * 10<9> CFU / mL, the total quantity of Bacillus spp is 2.93 * 10<8> CFU / mL, and the total quantity of yeast is 5.74 * 10<8> CFU / mL. Compost adopting livestock manure ad a main raw material is inoculated with 1-5% of the microbial inoculants at -30 ~ -10 DEG C, and heating, fermentation, cooling and decomposition processes of the compost are successfully realized a period of time later in order to prepare the high-quality organic fertilizer. The composite microbial inoculant has the characteristics of fast fermentation heating, long high temperature keeping time and secondary heating under cold region extreme cold winter conditions, and is mainly suitable for large-scale livestock culture farms for processing manure under extreme cold conditions in the north region to produce the organic fertilizer.

The invention discloses a low-temperature protection system for a battery of an electric automobile. A temperature sensor for acquiring the temperature of an electric core is arranged in a battery system assembly and outputs a temperature signal to a battery management system; heating equipment for heating the electric core is arranged in the battery system assembly; a total negative line of a battery pack of the electric core is connected with a negative electrode of a discharge port through a related relay 3; a total positive line of the battery pack of the electric core is connected with apositive electrode of the discharge port through a related relay 2 and a related relay 4 which are connected in parallel; after being connected with a related relay 1 in series, the heating equipmentis connected with the two ends of the related relay 3 and the electric core; the battery management system outputs a drive signal to the related relay 1, the related relay 2, the related relay 3 and the related relay 4. The low-temperature protection system disclosed by the invention can realize the aim of normal discharge in an extreme cold environment through low-temperature preheating, better meets the travel needs of a user and is more realistic.

The invention provides a new leptin protein and the DNA sequence of the code thereof. The new leptin protein comes from cold-adaption animals-mice and rabbit families in extreme cold environment pressure. The invention lays the foundation for the protection, development and utilization of the leptin proteins of mice and rabbit family materials with Chinese characteristics and for the application in biological engineering products of mice and rabbit families.

A cartridge containing an environmentally friendly percussion primer employing a primer explosive mixture, packed under the paper disc and anvil; the mixture being a metastable interstitial composite (MIC) and a high explosive; and a second mass of high explosive, packed within the primer cup above the anvil—which mass of high explosive is ignited by the detonation of the MIC and high explosive mixture—thereby adding to the detonation to create a combined, enhanced pressure and temperature wave to more quickly initiate the booster pellet and propellant, to fire the bullet within the subject action time limit—even under extreme cold ambient conditions.

The shot blast machine having a projector with an impeller includes the impeller which is made of a high abrasion-resistant rubber. Therefore, it can increase the durability without damage of the impeller and projectile; it can use the projectile with high grindability, with small particle and light gravity; and it can be used at any condition including extreme cold, normal temperature, wet condition and the like.

A solar building foundation thermal storage heat supplying system in an alpine region stores solar energy by using a building foundation. The solar building foundation thermal storage heat supplying system comprises a solar thermal collector, a fan heater, a storing / dissipating heat coiler, a thermal preservation foundation heat storing layer, a soil temperature measurement probe, a temperature controller, an expansion water tank, a heat storing recycling pump, a heat supplying recycling pump, a valve and the like. At the initial stage of heat supplying, heat is stored by the solar thermal collector to a foundation, and in sunny days, according to the demand, the heat is supplied into a room through the fan heater, or the heat is stored for the standby application through the storing / dissipating heat coiler; and in rainy days or at nights, the stored heat of the foundation is dissipated to supply heat for the room, and at extreme cold nights, an antifreezing rebound valve is slightly opened to prevent a thermal collecting pipeline from being burst. The oil temperature measurement probe is interlocked with the temperature controller, and excessive heat storing of the foundation can be prevented; meanwhile, the foundation dissipates heat to the room through a floor, a base pillar, a wall body and a floor slab, and the floor, the base pillar, the wall body and the floor slab have high heat-transfer capabilities; and the inner surface of a spacing enclosing structure is high in temperature, and the thermal environment is more comfort. According to the solar building foundation thermal storage heat supplying system in the alpine region, the heat storing property of the building foundation is skillfully used, defects of instability and intermittent of solar energy are overcome, and the heat supplying demand of the alpine regions where conventional energy resources are insufficient and solar energy resources are rich is solved.

The Aircraft & motor vehicle protection system invention eliminates the safety and environmental hazards associated with the safety and environmental elements such as (1) sun, (2) heat, (3) thunderstorms, (4) hail, (5) rain & fuel contamination, (6) bird and animal nesting and droppings, (7) freezing rain, (8) frost, (9) ice, (10) snow, and (11) extreme cold that are possibly introduced to aircraft and ground vehicles parked or tied down and exposed to the elements and animals. The invention, which utilizes inflatable / deflatable modules to form the complete system, with multiple layers of protection, with each layer eliminating one or more of the eleven hazards, ensures the elimination of the hazardous concerns associated with parked aircraft increases the percentages for safe flight, reduces the opportunity for damage to the aircraft and assists in maintaining the value of the aircraft. This invention also provides the protection for ground vehicles.

The invention relates to a semi-steel can permanent layer castable. The semi-steel can permanent layer castable comprises, in percentage by weight, greater than or equal to 60% of Al2O3, greater thanor equal to 10% of SiO2, less than or equal to 1% of CaO and less than or equal to 1% of water. By means of the iron-making blast furnace main iron runner fire-resistant castable which is superior inperformance, high in heat storage capacity, stable in thermodynamic performance and long in service life, the problems of temperature reduction and low castable strength which are caused in a semi-steel can online transportation process, and increase and enlargement of cracks after an overhaul can be effectively solved. According to the semi-steel can permanent layer castable, flint clay and alumina hollow balls are used as main aggregate, high-purity aluminum, silicon and fire-resistant cement are used as binding agents, sodium hexametaphosphate is used as a dispersion agent, thus the semi-steel can permanent layer castable is produced, the heat storage capability and the thermal performance of a semi-steel can permanent layer can be effectively improved, the phenomenon of cracking causedby extreme cold and extreme heat can be effectively avoided, and the service cycle is obviously prolonged, so that the semi-steel can permanent layer castable has good application prospects.

The invention discloses a graphene-coated conductive heat storage fabric and a preparation process thereof. Graphene coating glue comprises, by weight, 70-80 parts of an aqueous aliphatic polyurethaneemulsion, 20-30 parts of an aqueous graphene emulsion, 5-10 parts of a cross-linking agent, 5-10 parts of water and 1-3 parts of an acrylate polymer, wherein the solid content of the aqueous aliphatic polyurethane emulsion is 50%, and the graphene content is 30-50%. The functionality of the fabric is improved through coating post-finishing, functions of high conductivity and heat storage are added on the basis of original common coated fabrics, and the fabric can be applied to outdoor fields to cope with harsh outdoor sports climate such as lightning and extreme cold. At the same time, a far-infrared heat storage property of graphene can resist the cold winter, and a graphene material can absorb the radiant heat released by the human body and perform corresponding conversion to release heat by utilizing a far-infrared continuous circulation function of the graphene material.

The invention relates to a double-layer covering method for overwintering fruit trees. The method is to respectively cover a layer of straw curtains on the overwintering fruit trees of flat peaches, grapes and apples cultivated in a crawling type, and then cover two layers of color striped cloth. The middle of the color strip cloth is separated by grass, and it is enough to cover the soil around the color strip cloth. By adopting the method, the extremely cold weather of -40°C can be resisted in the cold region, which is beneficial to antifreezing of fruit trees. Compared with the traditional method, the method is simple and easy to operate, and can produce cleanly, reduces cost, greatly saves manual labor, and reduces labor intensity. Thereby overcoming the phenomenon that the labor intensity is high and heavy, which often makes the laborers feel disheartened and dirty.

The current device will enable the plant owner to protect a plant during the winter months from the extreme cold and at the same time protect the plant from birds and insects during the summer months. This device can be easily opened to cover the plant and can also be easily collapsed when it is no longer needed. At least two different types of material can be used: one of colder weather and one for warmer weather. Different choices of material may be used depending on the particular environment. The device will be lightweight and extremely portable.

The shot blast machine having a projector with an impeller includes the impeller which is made of a high abrasion-resistant rubber. Therefore, it can increase the durability without damage of the impeller and projectile; it can use the projectile with high grindability, with small particle and light gravity; and it can be used at any condition including extreme cold, normal temperature, wet condition and the like.

The invention discloses a resistance difference type synchronous linkage integrated wind wave and light heat electromechanical energy conversion system and aims to combine the Marxist dialectical materialism with energy science and technology to provide a simple and efficient device for utilizing wind energy and ocean energy, and lead the economic society out of the plights of energy crisis and climate warming, and open up a sustainable novel industrialization road to the future society with Chinese characteristics in a way of driving the overall situation by a breakthrough. The technical problem is that there are a large quantity of energy sources in the natural world, however, the energy developed and utilized technically cannot meet the social demand, and in order to solve the contradiction, the energy technology development is returned to a resistance difference type engine in a negative negative way; rotating wheels are closely and repeatedly arrayed by a method that change in quantity leads to change in quality, so the energy conversion efficiency is improved to 80 percent. Furthermore, the methods that change in quality leads to change in quantity, extreme cold generates heat and extreme heat generates cold are used, and the restrictions of typhoon, thunderstorm and low temperature are released, so the available energy is greatly increased, and the wind energy and the ocean energy become the main energy sources for social production.

The invention relates to a chloroprene rubber sheath material used for cables and resistant to extreme cold. The chloroprene rubber sheath material is prepared from components in parts by weight as follows: 100 parts of CRSN322 resin, 4-5 parts of magnesium oxide, 36-40 parts of carbon black, 100 parts of calcined pottery clay, 20-25 parts of aluminum hydroxide, 4 parts of zinc oxide, 1.8 parts ofa vulcanizing agent, 5 parts of paraffin, 0.5-2 pars of stearic acid, 20-30 parts of a plasticizer, 2 parts of an anti-aging agent, 1 part of a silane coupling agent and 4-5 parts of a releasing agent. The preparation process comprises steps as follows: mixing, vulcanizing, sheet discharge and extrusion forming for preparation of the sheath material. The preparation method is simple, the steps are easy to operate, the prepared sheath material has excellent low-temperature bending performance, low-temperature impact property, shore A hardness and flexibility, and produced and manufactured cables can be used in extreme cold regions at subzero 60 DEG C for a long time.

The invention discloses an antifreeze high-temperature resistant cable material and a preparation method thereof. The antifreeze high-temperature resistant cable material is prepared from the following raw materials in parts by weight: 25-35 parts of dicyclopentadiene phenol epoxy resin, 5-10 parts of polyethylene oxide alkyl phenyl ether, 20-30 parts of polypropylene resin, 4-8 parts of tetraethoxysilane, 5-7 parts of sodium molybdate, 2-4 parts of modified kaolin, 3-5 parts of modified kieselguhr, 1-3 parts of glass fiber and 3-5 parts of ammonium heptamolybdate and triethanolamine in a weight part ratio of (2-4):1. The cable material disclosed by the invention experiences little parameter change in an extremely cold condition and is suitable for cold conditions; and meanwhile, the influence on the cable material at a high temperature of 120 DEG C is also detected, the fluctuation of performance parameter change in 100 days is relatively little, and the cable material is suitable for long-term use in high-temperature conditions.

Temperature controlled Battery Pack; a Method of protecting a large battery pack from thermal stresses; all weather Battery module; an apparatus and method for charging a battery pack, and decoupling the charging voltage from the battery pack voltage; an apparatus and method for discharging the hybrid battery modules, and extending the range of the battery pack; Battery pack controller—safety and reliability of battery pack. A method of providing flood protection to a large battery pack. A method of cooling the battery pack in extreme hot temperatures. A method of heating the battery pack in extreme cold temperatures. A method of repurposing the battery module (BM) Charging and balancing circuit is one of the key components of the battery pack. The invention constitutes an apparatus of Energy discharging split circuit installed within each BM, and an energy management algorithm installed in the battery pack controller. The energy discharging circuit mixes the current output of batteries and capacitors within each BM, as per the instructions from the battery pack controller algorithm. The algorithm takes the SoH and SoC of the batteries in the weakest BMs into account to calculate the mix of current from batteries and capacitors, and selectively instructs each BM. A method for discharging the battery BMs, and extending the range of the battery pack. Battery pack controller is the Master controller of the battery pack.

The present invention discloses a thermal shock test system for a transmission project outdoor galvanization fitting. The system comprises a fitting heating assembly and an ice water spraying assembly. The test fitting heating assembly comprises a voltage regulation power current transformer, a current transformer and a test fitting, and the test fitting heating assembly establishes a conductive communication line through a lead. The ice water spraying assembly includes an ice water tank, an inlet pipe, a shower pipe, an outlet pipe and a test water tank. The thermal shock test system and method for a transmission project outdoor galvanization fitting fully consider the influence of the heating mode and the cooling speed on the thermal fatigue properties of the transmission project outdoor galvanization fitting and provide a thermal shock test design rule through combination of the through-flow heating and the spraying ice water mixture cooling to more accord with the real operation condition of the transmission project outdoor galvanization fitting so as to effectively guide the development of the thermal fatigue property test of the transmission project outdoor galvanization fitting and the design of the through-flow fitting and prevent the through-flow fitting from cracking and damaging caused by continuous accumulation of the interior thermal stress in the extreme cold and hot alternating environment.

The invention discloses a hydraulic excavator pilot hydraulic preheating system which comprises a pilot oil source block, a hydraulic oil tank, a soil pushing pilot valve, a right handle pilot valve, a foot pilot valve, a left handle pilot valve, a preheating flow dividing block, an oil supply flow dividing block and an oil return flow dividing block; the pilot oil source block is connected with the preheating flow dividing block and connected with a tee-joint on each pilot valve after flow division; the oil supply flow division block is connected with the tee-joint on each pilot valve and connected with the pilot oil source block after gathering; the oil return flow dividing block is connected with a T-shaped opening of each pilot valve and connected with the hydraulic oil tank after gathering. In the excavator idling state, the preheating pilot hydraulic system can ensure stable oil temperature increase even when in the extreme cold environment, the pilot valves are prevented from working in the extreme using condition, the phenomenon that internal sealing components of the pilot valves lose efficacy and are damaged in advance is effectively avoided, the reliability is improved, the maintenance cost is lowered, and the service life of the whole excavator is prolonged.

The present invention has a controller (010) to monitor the environmental temperature of automotive or industrial sensor (830) and a means of actively heating (651) or cooling (520) sensors such that the sensor (830) is not exposed to extreme cold or hot temperatures, which could negatively affect the operation of the sensor (830) either temporarily or permanently. The operator (901) is informed (356) of the future probability of measurable degraded performance of the automotive or industrial machine or thermal stress of sensors to enable the operator (901) to adjust her operation (910) of the machine and perform preventive maintenance to reduce the future probability of measurable degraded performance and thermal stress of sensor (830). There can be a plurality of sensors.

Disclosed is a pneumatic tool for use in extreme cold without the risk of freezing of the pressure providing the air: air tubing has electrical heating coils embedded in the walls of the tubing, the connectors between the sections of the hoses.