98results about How to "Suppress heat loss" patented technology

When the supply of electric power from a power supply (101) to a load (102) is controlled in a switching manner by a semiconductor switch (QA), reference current generating device (R11, Q2, Q3) generates a reference current, and reference voltage generating device (QB) generates a reference voltage (VDSB) based on the reference current. Detector CMP1 detects a difference between a terminal voltage (VDSA) of the semiconductor switch (QA) and the reference voltage, and the semiconductor switch (QA) is on/off controlled in accordance with the difference between the terminal voltage (VDSA) of the semiconductor switch (QA) and the reference voltage.

A heat pump device 20 includes an air conditioning control device 22 configured to switch the heat pump device 20 among a plurality of operation modes including an air-heating operation mode in which an indoor heat exchanger 32 serves as a radiator and an outdoor heat exchanger 33 serves as a heat absorber, and an air-cooling operation mode in which the indoor heat exchanger 32 serves as a heat absorber and the outdoor heat exchanger 33 serves as a radiator. The air conditioning control device 22 switch a refrigerant pipe such that refrigerant is, in the air-cooling operation mode, supplied to part of the outdoor heat exchanger 33 serving as a refrigerant inlet in the air-heating operation mode.

A U-bend pipe type heat exchanger includes: a heat exchanger main body surrounded by a front side plate, a back side plate, a left side plate, and a right side plate, and having open upper and lower portions through which a heat source passes; a plurality of U-bend pipes inserted between the left side plate and the right side plate, each of the plurality of U-bend pipes including two heat exchange pipes arranged in parallel with each other and a U-shaped pipe connecting one end portions of the two heat exchange pipes; and a plurality of water jackets attached to at least one of outward surfaces of the left side plate and the right side plate, and connecting open end portions of two adjacent heat exchange pipes such that a low-temperature water circulates along the plurality of U-bend pipes.

An upper-side heat exchange region (51) is divided into a plurality of principal heat exchange sections (51a-51c), and a lower-side heat exchange region (52) is divided into a plurality of auxiliary heat exchange sections (52a-52c). A first header/collector tube (60) is partitioned into an upper-side space (61) corresponding to the upper-side heat exchange region (51) and a lower-side space (62) corresponding to the lower-side heat exchange region (52). The lower-side space (62) is partitioned into a plurality of connection spaces (62a-62c) corresponding to each of the auxiliary heat exchange sections (52a-52c). The second header-collector tube (70) is partitioned into: a connection space (71c) jointly corresponding to both the lowest of the principal heat exchange sections (51a) in the upper-side heat exchange region (51) and the highest of the auxiliary heat exchange sections (52c) in the lower-side heat exchange region (52); and connection spaces (71a, 71b, 71d, 71e) respectively corresponding to the remaining principal heat exchange sections (51b, 51c) and auxiliary heat exchange sections (52a, 52b). A connecting tube (72) connects the connection space (71a) and the connection space (71d), while a connecting tube (73) connects the connection space (71b) and the connection space (71e).

The invention provides a conical cavity type high-energy laser total-absorption energy meter. The energy meter comprises an absorber, a thermocouple sensor, an absorber support, a barrel-shaped insulator, a data acquiring system and a shell, wherein the absorber is made of a high-purity graphite material and has a cone structure; a conical hollow cavity is formed in the absorber; the absorber support is fixedly connected with the shell in a threaded manner; the middle and the bottom of a cone of the absorber are arranged on the support; the insulator is arranged in the shell; the thermocouple sensor is adhered to counter bores in the surface of the absorber; the distance between the bottom of each counter bore in the absorber and the outer surface of the absorber is 40% of the thickness of the wall of the absorber; the counter bores are equidistantly formed along the cone busbar direction and the direction perpendicular to a busbar; and the distance between two optional counter bores along the cone busbar direction is smaller than the length of the cone busbar of the absorber by 10%. By using the conical cavity type high-energy laser total-absorption energy meter, the high-energy laser energy measuring precision can be obviously improved; and the testing capability of the high-energy laser total-absorption energy meter is improved.

A silanol condensation catalyst including at least the zirconium metal salt expressed by Formula (I) below (wherein n is an integer from 1 to 3; each R¹ is a hydrocarbon group having from 1 to 16 carbons; and each R² is a hydrocarbon group having from 1 to 18 carbons. A heat-curable silicone resin composition for sealing optical semiconductors includes 100 parts by mass of a polysiloxane containing two or more silanol groups in the molecule; from 0.1 to 2,000 parts by mass of a silane compound containing two or more alkoxy groups that are bonded to a silicon atom in the molecule; and a zirconium metal salt expressed by Formula (I). A sealed optical semiconductor is formed by sealing a LED chip by applying the heat-curable silicone resin composition to the LED chip, heating the LED chip, and curing the heat-curable silicone resin composition.

A thermal management device for a vehicle includes heat medium circuits, a reserve tank, and a connector. The heat medium circulates through the heat medium circuits separately. The reserve tank is configured to separate an air bubble contained in the heat medium from the heat medium. The connector allows the reserve tank to come in communication with the heat medium circuits selectively. As such, an occurrence of the heat loss in the degassing performed in the reserve tank can be suppressed with the thermal management device for a vehicle including the heat medium circuits.

Disclosed is a reactor to reform fuel, including: a low temperature reaction unit causing a reaction at a predetermined temperature; a high temperature reaction unit causing a reaction at a higher temperature in comparison with that of the low temperature reaction unit; and a communicating tube making the low temperature reaction unit and the high temperature reaction unit communicate with each other, wherein at least either the low temperature reaction unit or the high temperature reaction unit is equipped with a projecting surface and a concave surface, each facing to an opposed surface of the other one of the low temperature reaction unit and the high temperature reaction unit; a length between the concave surface and the opposed surface is longer than a length between the projecting surface and the opposed surface; and the communication tube is provided between the concave surface and the opposed surface.

A heat storage device comprises a heat storage tank 2 charged with a heat storage material 1 for storing the heat supplied from the outside, and a heat exchanger 3 for executing an injection and an extraction of heat between the inside of the storage tank2 and the outside by the heat exchange between the heat storage material and a heat transfer medium. The heat exchanger 3 is disposed so as to execute a heat exchange between the central portion 2a in the heat storage tank 2 and the outside, and suppresses the natural convection of the heat storage material 1 of the outer portion 2b by, for example, dispersing a liquid-absorbent material 5 in the outer portion 2b surrounding the central portion in the heat storage tank 2, whereby reduces the influence of external environment on the central portion 2a in the heat storage tank, thereby suppressing the heat loss toward the outside.

The present invention provides a heat-insulating container and a method for manufacturing the same which make it possible to lower manufacturing costs, and to obtain a sufficient heat-insulating effect, and which are also suitably used in a limited installation space such as an engine compartment or the like. The present invention is a heat-insulating container for storing and maintaining a temperature of a liquid, comprising an inside container (1) having inlet and outlet opening part (5) for the liquid, and a sheet-form outer covering (3) which accommodates the inside container (1). A heat-insulating material (2) is sealed between the outer covering (3) and the inside container (1), and a heat-insulating space in a state of reduced pressure is formed between the outer covering (3) and the inside container (1), flange parts are formed on the liquid inlet and outlet openings of the inside container (1), the outer covering (3) and the inside container (1) are joined by the flange parts. The resulting heat-insulating container has exceptional heat-insulating properties and can be used in a limited space.

The invention discloses a device for taking water from seawater through solar heat collection. The device comprises a water tank and a photo-thermal conversion element, wherein the upper end of the water tank is of an opening structure, the photo-thermal conversion element floats in seawater on the upper portion of the water tank, a transparent glass cover is arranged on the upper portion of the water tank, the transparent glass cover is of an arc-shaped structure, the glass cover comprises a water collecting tank located on the lower side, the water collecting tank comprises a vertical side wall on the inner side, a horizontal wall extending from the bottom end of the vertical side wall to the horizontal direction, an outer side vertical wall extending upwards along the other end of the horizontal wall, and an arc structure extending upwards and inwards along the outer side vertical wall, the water collecting tank is formed among the inner side vertical wall, the horizontal wall and the outer side vertical wall, a drain hole is formed in the horizontal wall, so that fresh water collected by the water collecting tank is discharged, the purpose of taking water from seawater is achieved, and the device has wide commercial value and application prospect.

The invention provides a high energy laser beam stray light energy measuring system which comprises multiple absorption diaphragms, thermocouple temperature sensors, diaphragm fixing supports, leading wires, temperature acquisition modules, a network switch and an upper computer. Each absorption diaphragm has an annular structure which is made of hard aluminum or red copper. A light-facing surface of each absorption diaphragm is provided with an annular V-shaped groove, and the surface is an aluminum oxide and titanium oxide mixture coating layer. The thermocouple temperature sensors are adhered in thermocouple temperature sensor fixing grooves arranged on backlight surfaces of the absorption diaphragms. The thermocouple temperature sensors are connected in series and electrically connected with the temperature acquisition modules via the leading wires. A distribution type measuring system is formed by the temperature acquisition modules, the network switch and the upper computer via network cables. High energy laser beam stray light wide-range and complex distribution dynamic measurement can be effectively realized by the system. Besides, measurement precision is obviously enhanced, and the system has extensibility and transportability with standardized module design.

The invention discloses a visible light super-transmissible coating material for Low-E (low-emission) glass and a preparation method thereof. The coating material is mainly composed of a solution system formed by an acrylic organic polymer and a silicon dioxide inorganic precursor. The solution system has a solid content of 1.5-3.5wt.%, wherein the acrylic organic polymer and the silicon dioxide inorganic precursor are in a mass ratio of 0.5-1.5:1. The coating material has a porous structure of 50-100nm pores, and refractive index of the coating material reaches 1/2th power of the product of the air refractive index and the glass refractive index, the diffraction reflectivity of medium-long wavelength infrared radiation reaches 76%-88%, and also visible light transmittance is increased and heat loss caused by long-wave radiation is inhibited. Also, the coating material is formed mainly by coating, film forming and inorganic curing of the film, high temperature and high vacuum coating conditions are unnecessary, the processing equipment and operation are simple, and diversification of architectural glass functions can be realized.

The invention relates to a laser-heat wire TIG composite welding method achieving normal wire feeding. The method comprises the steps that a welding groove is designed out on the welding portion of a welded thick plate, and backing welding of the root face through high-power laser deep melting penetration welding; layer-by-layer filling welding is carried out on the groove of the welded thick plate in a manner of compounding a laser beam, a non-molten electrode and a welding wire achieving continuous heating, in the welding process, a composite welding torch should be adjusted to the height position of a molten bath according to the single-layer filling thickness, the welding wire is induced and heated through a heat wire heating device, in the welding feeding direction, the laser beam is arranged in front of the welding wire, and the non-molten electrode is arranged behind the welding wire and is put in an inert gas shielding shroud; and the groove weld of the welded thick plate is subjected to cosmetic welding through the above composite welding manner, and compose welding is completed.

The invention provides an installation method of a heating belt. The method comprises heating belt fixing, cracking prevention treatment and waterproof treatment. The installation method is characterized by comprising the following steps of: (1) fill gaps between the heating belt and a metal pipeline or a container shell with heat-conducting mud; (2) limiting the heat-conducting mud to in a certain space by using triangular or semicircular aluminum sheets; (3) fixing the triangular or semicircular aluminum sheets with toothed steel belts or iron wires; (4) manufacturing a U-shaped telescopic bending part on the heating belt at a specific distance interval; and (5) sealing all seams on an insulating layer shell with linen and epoxy resin. By the adoption of the installation method, the frequent accidents of the heating belt can be effectively controlled, the service life of the heating belt can be well guaranteed, the maintenance cost and the operation cost are greatly reduced and the stability of production is guaranteed.

A battery pack includes a bus bar, a first module, and a second module. The bus bar extends in a predetermined direction and includes a first region, a second region and an intermediate region. The first module includes a plurality of cells each including a negative electrode terminal connected to the first region. The second module includes a plurality of cells each including a positive electrode terminal connected to the second region. The negative electrode terminals are arranged in the predetermined direction in the first region. The positive electrode terminals are arranged in the predetermined direction in the second region. In a cross section perpendicular to the predetermined direction, a cross-sectional area of the intermediate region is greater than a cross-sectional area of at least a part of the first region and is greater than a cross-sectional area of at least a part of the second region.

The present invention provides a liquid-liquid heat exchanger comprising a first flow channel where a heat medium heated by the heat exchanger applying a burner mounted on a heat source machine as its heat source flows, and a second flow channel where heated liquid flows, and heating the heated liquid by the heat medium. Three sheets of press-formed plates composed of first and second outer plates 71, 72 and an intermediate plate 73 held between the outer plates are overlapped. The first flow channel 74 having the bent-pipe shape is formed between the first outer plate 71 and the intermediate plate 73, and the second flow channel 75 having the bent-pipe shape, is formed between the second outer plate 72 and the intermediate plate 73 so as to overlap the first flow channel 74 through the intermediate plate 73. The invention miniaturizes a liquid-liquid heat exchanger and to reduce its cost.

This epitaxial apparatus includes: a supporting member to support a substrate; an external wall that is provided to surround the supporting member from the sides and that has a gas supply port for supplying gas on the substrate; an inner lid member provided in a removable manner on the external wall and covering at least a part of a gap between the supporting member and the external wall; an upper lid member that covers the substrate in a region surrounded by the external wall; a holding member that is held by the external wall, holds the upper lid member so that the upper lid member is sandwiched between the holding member and the external wall, and has a cooling unit to cool down a portion that holds the upper lid member; a heating unit; and a covering member provided so as to cover the surface of at least one of the upper lid member and the holding member.