68results about How to "Inhibit overheating" patented technology

The invention discloses a silicon nitride-modified phase-change and energy-storage microcapsule, comprising a shell material and a cladded core material, wherein the shell material comprises the following raw materials in parts by weight: 50-100 parts of high-molecular polymers and 1-20 parts of silicon nitride powder which is evenly dispersed into the high-molecular polymers; the core material comprises 50-100 parts of organic phase-change and energy-storage materials and 1-20 parts of silicon nitride powder which is evenly dispersed into the organic phase-change and energy-storage materials. The invention also provides a preparation method of the phase-change energy-storage microcapsule. The thermal conductivity of the phase-change and energy-storage material is improved, overheat and overcold degrees in the phase-change process are inhibited, and meanwhile, the thermal endurance and the abrasive resistance, the thermal shock resistance, the fatigue resistance and the like also are improved. The silicon nitride-modified phase-change and energy-storage microcapsule is relatively simple in preparation technology, available in raw materials, strong in controllability, and applicable to the industrial large-scale production, an existing industrial processing technology can be fully utilized, and the performance of the phase-change and energy-storage microcapsule is improved.

Provided is an articulation type robot that makes the up-and-down moving operation shaft to move in the horizontal direction. The articulation type robot comprises a cover member covering the side of the operation shaft, a motor driving the operation shaft, an upper bellows-like member arranged at the upper portion of the cover member and stretching out and drawing back in the up-and-down direction to interlink with the operation shaft, and a lower bellows-like member arranged at the lower portion of the cover member and stretching out and drawing back to interlink with the up-and-down movement of the operation shaft. The inner space of the cover plate and the inner space of the upper bellows-like member are communicated. The inner space of the cover plate and the inner space of the lower bellows-like member are also communicated. The motor is arranged between the upper bellows-like member and the lower bellows-like member. Therefore, the articulation type robot is provided with excellent dustproof and drip-proof property and is capable of preventing the motor from being too heat.

Provided is a method for manufacturing a quartz glass crucible by employing a rotating molding method. The method is characterized in performing arc-melting by arranging an electrode at a position deviated from a molding center line. The eccentric arc controls glass temperature differences among the temperatures of glass being melted at a straight trunk portion, a curved portion and a bottom portion to be 300 DEG C or below. The eccentric arc also controls the thicknesses of a transparent layer at the straight trunk portion and at the bottom portion to be within 70-120% of the thickness of the transparent layer at the curved portion.

A fuel feeding device capable of suppressing the excessive heating of a fuel supplied from a fuel pump into an internal combustion engine even if a control module is cooled. The fuel feeding device (1) comprises a set plate (10) installed in the mounting hole (34a) of a fuel tank (34), the electric fuel pump (30) installed on the inner surface of the set plate (10), the control module (14) installed on the outer surface of the set plate (10) and driving the fuel pump (30) by an electric power supplied from the outside, and a heat radiating member (32) radiating a heat generated in the control module (14). One end of the heat radiating member (32) is thermally connected to the control module (14), and the other end of the heat radiating member (32) is projected from the inner surface of the set plate (10) downward.

The invention discloses a self-heating type reactor used for hydrogen production by reforming and filled with a high-temperature phase-change material. The self-heating type reactor used for hydrogen production by reforming is formed by sequentially laminating an upper cover plate provided with a methanol steam reforming reactant inlet pipe and a methanol catalytic combustion reactant inlet pipe on the upper surface, a graphite washer, an upper evaporation plate, a graphite washer, a lower evaporation plate, a graphite washer, a methanol reforming heat absorbing plate for hydrogen production filled with the high-temperature phase-change material on the lower surface, a sealing plate, a graphite washer, a methanol catalytic combustion plate filled with the high-temperature phase-change material on the lower surface, a graphite washer and a lower cover plate provided with a reformed gas outlet pipe and a combustion tail gas outlet pipe on the lower surface from top to bottom. The heat stability of a self-heating reactor is effectively improved by means of latent heat of phase change of the high-temperature phase-change material, the temperature gradient in the reactor and the temperature fluctuation of the reactor during working are reduced, catalyst activity reduction and peeling caused by overheating of the reactor are inhibited, and the heat efficiency and the methanol conversion rate of the reactor are improved.

The invention relates to the technical field of molecular distillation and discloses a molecular distiller. The molecular distiller comprises a motor, a distillation cylinder, a heating jacket located outside the distillation cylinder, and a condenser and a membrane scraper located in the middle of the distillation cylinder. The membrane scraper is driven by the motor and is arranged in the distillation cylinder and close to the inner wall of the distillation cylinder. The membrane scraper comprises several membrane scraper groups. The membrane scraper group at least comprises a scraper plate and a flexible scraper blade, the flexible scraper blade is arranged at the rear end of the scraper plate, and the scraper plate and the flexible scraper blade slide along a rotation direction of the membrane scraper. The scraper plate and the distillation cylinder inner wall form an appropriate space and do not contact with each other. A part of the flexible scraper blade fits to the inner wall of the distillation cylinder. The molecular distiller utilizes a combined structure of the rigid scraper plate and the flexible scraper blade, forms a uniform liquid material membrane, prevents mechanical friction between the membrane scraper and the evaporation surface, and is particularly suitable for molecular distillation of the heat-sensitive material and/or the mechanical friction sensitive material.

An ultra-low nitrogen oxide combustion apparatus according to the present invention comprises: a primary fuel jetting body; one or more secondary fuel jetting bodies; a recirculation guide unit; a fuel supply unit; an oxidant supply unit; and an air multistage sleeve. The primary fuel jetting body supplies main fuel into a combustion furnace. The one or more secondary fuel jetting bodies are arranged around the primary fuel jetting body in such a manner that the front ends thereof are inserted into the combustion furnace. The recirculation guide unit re-supplies combustion gas generated from the combustion furnace to the combustion furnace by hydrodynamic force. The fuel supply unit supplies fuel to the primary fuel jetting body and the secondary fuel jetting bodies. The oxidant supply unit supplies an oxidant to a gap between the primary fuel jetting body and the secondary fuel jetting bodies. The air multistage sleeve is arranged to surround the primary fuel jetting body for air multistage. The oxidant supplied from the oxidant supply unit is supplied in multiple stages through the internal and external portions of the air multistage sleeve. By applying an internal recirculation technique, the present invention can transmit combustion gas, generated in a combustion chamber including multiple flame areas, not to an external link pathway of the combustion chamber, but into the combustion chamber, without an additional separate device.

In processing equipment, a machining portion of a subject (W) to be machined is irradiated with a laser beam (L2), an assist gas (G) is jetted toward the machining portion from a nozzle (3) coaxially arranged with the laser beam (L2) to cover the machining portion with the assist gas (G), and a piercing hole (H) is machined at the machining portion. The machining equipment is provided with a control means (10) for machining the piercing hole (H) while shifting the nozzle (3) within a range from a machining start point to 5mm, after starting irradiation of the laser beams (L2).

A heat exchanger for a motor vehicle air conditioning system is provided. The heat exchanger includes an inner tube through which a heat exchanger medium can flow, an outer tube that at least regionally envelops the inner tube forming an intermediate space, and a regulating unit fluidically connected to the intermediate space. The regulating unit is configured to alter the flow resistance of the intermediate space as a function of the temperature of a heat exchanger medium that flows through the intermediate space.

The invention relates to a manufacture method of a liquid crystal display array substrate, comprising: forming a copper base metal layer on the substrate and forming an etched copper base metal layer by an etching solution to form a grid connection line; and forming a copper base metal layer on a semiconductor layer and forming an etched copper base metal layer by an etching solution to form a source electrode and a drain electrode, wherein based on the total weight of the above components, the etching solution comprises: A) hydrogen peroxide, B) fluorine compound, C) 0.1-5wt% of pyrryl compound; D) one or much compounds selected from phosphonic acid derivative or its salt, E) phosphate compound and F) water as residual.

A water heater, in which a housing (1) is provided above a combustion chamber (4) containing a burner (2) and a heat exchanger (3) for hot water supply and communicated with the air supply and exhaust. The air supply chamber (5) of the air supply path (8) of the pipe (6); the air is supplied to the combustion chamber as combustion air through the air supply path, the air supply chamber and the internal space of the housing through the combustion blower (9), And in the air supply chamber, a cooling heat exchanger (14) interposed on the bypass pipe (13) of the heat exchanger for hot water supply is arranged to cool the air flowing into the housing; At the time of stop, the high-temperature hot water boiled later by the hot water supply heat exchanger is transferred to the cooling heat exchanger to suppress the overheating of the outlet hot water temperature when the hot water is re-ejected. The confluence part (13b) of the bypass passage and the hot water outlet passage (12) is located at a vertically lower position relative to the branch part (13a) of the bypass passage and the water supply passage.

The invention discloses a multiphase tantalum/niobate composite ceramic and a preparation method thereof. The tantalum/niobate composite ceramic comprises two or more substances with chemical formulas of AB2O6, A2B2O7, A4B2O9 and A5B4O15, A is a mixture of one or more elements of Ca, Mg, Co, Ni, Zn and Sr, B = Nb1-aTaa, and a is greater than or equal to 0 and greater than or equal to 1. The tantalum/niobate composite ceramic with multiphase composition has the advantages of uniform grain size, high density, excellent fracture toughness, high thermal stability and low thermal conductivity, and is a composite ceramic with excellent performance.

The invention provides a main and an auxiliary burner used on stoves. A first main burner glory hole (83b) is arranged at the periphery of the hollow annular main burner head (83) supported above a hollow basal disc (81) through a hollow pier piece (82). A barrel-shaped auxiliary burner head (84) is arranged in a space encircled by the main burner head; a side burner glory hole (84a) is arranged at the periphery of the auxiliary burner head to raise the heat distribution of the cooking vessel P as a heating object to the greatest extent, and to prevent the durability from declining caused by the overheat of the auxiliary burner head. A second main burner glory hole (83c) is arranged in the inside circumference of the main burner head. The auxiliary burner glory hole is set in a way that the upper end is arranged in a position no taller than the lower end of the second main burner glory hole.

The invention relates to rubber composition for a tyre belt layer and tyres prepared from the composition. The composition includes the components as following: 100 weight parts of natural rubber; and 0.1 to 10 weight parts of aromatic polyamide short fibers processed by the compound shown in the chemical formula 1 or hydrate and polysulfide of the compound. In the chemical formula 1, Me indicats an alkali metal, n is an integer from 1 to 10, and m is an integer from 1 to 6. According to the rubber composition for a tyre belt layer, indurence is guaranteed, simultaneously, over-heating of the belt layer in driving is inhibited, the service of tyres is increased, the rolling resistance is increased, and thereby stable high-speed and long-term driving is guaranteed.

The invention provides an air conditioner and a method for controlling the same. The air conditioner comprises an indoor unit and an outdoor unit connected with the indoor unit, wherein the indoor unit comprises a power supply input part that receives the input from an external power supply, an abnormal voltage detecting part which, connected with the power supply input part, detects whether the power supply input part provides abnormal voltage or not, and a control part receiving signals from the abnormal voltage detecting part; and the outdoor unit comprises a compressor used for compressing coolants. When the abnormal voltage detecting part detects the abnormal voltage, the control part will cut off the power supply for the compressor.

The invention relates to a liquid flow frame suitable for a flow battery stack or a flow battery. The liquid flow frame is a plate-shaped structure with through holes in the middle, the through holesare electrode regions, the cross sections of the through holes parallel to a plate body plane are rectangles or isosceles trapezoids, one side surface or two side surfaces of a plate are provided withgrooves for free flow areas of electrolyte close to edges of upper and lower bottom sides of the through holes, a groove at an edge of one side of the rectangle or a lower bottom side of the trapezoid is an inlet free flow area, an opposite side of the side of the rectangle or an upper bottom side of the trapezoid is an outlet free flow area, and more than two grooves for secondary flow guiding channels are set between each free flow area and the through holes. The liquid flow frame has the advantages of simple structure and convenient processing, the uniformity of electrolyte distribution can be effectively improved, the local overheating inside a reactor is suppressed, the polarization is reduced, and the electrolyte utilization is improved.