205results about How to "Increase arc" patented technology

An improved exhaust baffle for a circuit protective device such as a circuit breaker utilizes material having elastomeric characteristics to provide for variable apertures where the cross-sectional opening of the apertures is dependent on the pressure gradient across the exhaust baffle, thereby effectively controlling arc pressure and arc effluent during short circuit interruption. Fabrication of the exhaust baffle with geometric symmetry about one or more axes or planes also facilitates assembly during product construction.

The present invention relates to a device at fixing means for fixation of bone fragments at bone fractures, wherein the fixing means (1) preferably is a spike for thigh-bone necks for fixation of bone fragments (2.3) at fractures (4) of the thigh-bone neck. The fixing means (1) comprises a sleeve (5) and a pin (7) provided therein. The pin (7) includes a front part (7a) which is directed obliquely forward relative to a rear part (7e) thereof and towards front parts (9a) of a second wall surface (9) close to a guide surface (12) of the sleeve (5) when the pin (7) is located in a ready position (B) in said sleeve (5).

An anode of an arc plasma generator and the arc plasma generator are disclosed. The plasma generator is a multi-stage gas admission type arc plasma generator, and the plasma generator includes a cathode and an anode. The anode comprises at least two portions (201, 203), wherein any two adjacent portions of the anode are connected electrically with one another.

A stent graft (18) for deployment in a curved lumen such as the aortic or thoracic arch (130) comprises a constraining mechanism at its proximal end. A stent (4′) provided at the proximal end of the stent graft (18) includes loops of material (11) that co-operate with restraining wires (42) that extend between a central guide wire carrier (24) and a restraining wire cannula (8). The constraining mechanism acts to maintain the proximal stent (4′) constrained at three points around its circumference at both the proximal and distal ends of the proximal stent (4′). The proximal stent (4′) is thus allowed to expand after expansion of the remainder of the stent graft (18) during deployment. In an embodiment, the constraining mechanism acts to constrain two adjacent struts of the proximal stent (4′) at three points radially therearound, at the proximal end of the stent (4′) and at the distal end of the stent (4′). The proximal stent (4′) may then overlap with the interior of an adjacent stent at an inner part (31) of a curved vessel.

The invention discloses an air conditioner and a control method and device of the air conditioner. The air conditioner comprises an indoor unit. The indoor unit comprises a machine shell, an air handling module, multiple sets of air inlet adjusting assemblies and a switching valve. An air conditioning air flue is defined in the machine shell, and an air inlet is arranged on the machine shell. An upper air inlet area and a lower air inlet area are formed by the air inlet. The air handling module comprises a shell. A fresh air flue is defined in the shell. The method comprises the following steps that when the air conditioner operates by starting a heating mode, the air inlet is adjusted to be in the maximum air inlet state through the multiple sets of air inlet adjusting assemblies; the airinlet temperatures of the upper air inlet area and the lower air inlet area are acquired, and the temperature difference value is acquired; when the operation time reaches the first preset time, thetemperature difference value is judged; and if the temperature difference value is larger than the first preset temperature difference, the switching valve is controlled so as to control the air conditioning air flue to communicate with the fresh air flue, so that the indoor vertical temperature difference is reduced. The indoor heating power lamination phenomenon during heating operation of the air conditioner is effectively relieved, and therefore the indoor heat comfort is improved.

The invention provides a growth method for preparing a sapphire single crystal with a Kyropoulos method. The growth method mainly comprises the following control phases: a shouldering phase, an equal-diameter growth phase and an ending phase, wherein the shouldering phase is performed after seeding ending and comprises an initial shouldering stage and a later shouldering stage, the cooling speed is controlled by adjusting the voltage and matched with the crystal pulling speed to achieve stable growth at the initial shouldering stage, the crystal grows to about 1.5 kg after 20-25 h growth, and the crystal enters the later shouldering stage, the voltage adjusting quantity is smaller than that in the initial shouldering stage, the pulling speed is increased at the later shouldering stage and cooling is performed gradually, growth is performed for 45-52 h, and the crystal grows to about 4 kg and enters the equal-diameter growth phase; the crystal pulling speed is decreased at the equal-diameter growth phase, cooling is accelerated simultaneously, growth is performed for 75 h, and the crystal grows to about 28 kg-32 kg and enters the ending phase; and the cooling speed is further decreased and fast pulling is performed at the ending phase, and automatic draw-off is achieved. The growth method for preparing the sapphire single crystal with the Kyropoulos method can solve the problem that more bubbles exist in the sapphire single crystal grown with the conventional Kyropoulos method.

The invention relates to a wiper blade (10) of a windshield wiper provided with a protective rail (32, 44, 56, 72, 88), comprising a base body (34) that has an essentially V-shaped cross section and a wiper lip (36) of the wiper blade (10) and that is detachably fixed to the wiper blade (10) with the aid of fixing elements (38, 52, 58, 78, 90). It is proposed that the wiper blade (10) consist of a wiper strip (14) with at least one flat, bar-type, elastic support element (26) and a spoiler (12), wherein the protective rail (32, 44, 56, 72, 88) rests on the support element (26) or spoiler (12).

The invention discloses anti-wrinkle crease-free non-woven fabric polyurethane synthetic leather used for shoes and a preparation method thereof. The preparation method comprises the steps that fiber screen laying and needling are carried out on a spunlaced non-woven fabric surface, and a anti-wrinkle non-woven base is formed; after dipping carried out in a polyurethane dipping sizing agent is finished, condensing and ironing are carried out in a DMF aqueous solution; after coating is carried out by a polyurethane coating, the condensing, washing and drying are sequentially carried out; a post-processing grinding machine is used for carrying out orientated grinding on the surface of a semi-finished product; one layer of a thermoplastic polyurethane resin dry coating sizing agent is coated on release paper, after drying is conducted, one layer of a thermoplastic polyurethane dry bonding layer sizing agent is coated on the release paper, then drying is carried out in a drying oven until the release paper is half-dried, and a dry synthetic leather semi-finished product is obtained; the dry synthetic leather semi-finished product is attached to the wet synthetic leather semi-finished product, and after drying and ripening are conducted, the non-woven fabric polyurethane synthetic leather is obtained. The non-woven fabric polyurethane synthetic leather has the advantages that wrinkles cannot be generated, the physical mechanical strength is high, meanwhile sizing of shoemaking is good, and the durability is good; processing and performance requirements for children shoes, sport leisure shoes and the like are completely met.

A nozzle having a housing and an assembly including at least two conjugated parts separated by a spacer seal. The assembly is arranged in the housing so as to form a nozzle outlet. At least one of he housing, the parts, and the spacer seal are deformable so as to define a geometry of the nozzle outlet and seal surfaces between the parts and the spacer seal and between the parts and the housing.

An electronic throttle valve system more suitable for use in straddle type vehicles. A straddle type vehicle has an electronic throttle valve system for adjusting the amount of intake air to an internal combustion engine. The electronic throttle valve system includes a throttle valve for adjusting the amount of intake air to the internal combustion engine, an electric motor for actuating the throttle valve, and a control unit for controlling the electric motor. The throttle valve is fixed to a valve shaft. The electric motor is connected to the valve shaft. The valve shaft is provided with a throttle opening sensor on the right end, and a mechanical, throttle valve actuating mechanism on the left end. A throttle cable is engaged with the mechanism, while being coupled to a throttle grip (acceleration controller) provided on a right one of a pair of handlebars.

The invention belongs to the technical field of welding machines and discloses a culture net cage door welding device and a cage door welding method. The culture net cage door welding device has main technical characteristics that the culture net cage door welding device comprises a rack, a feeding and buffering frame, a cage door frame welding mechanism, a reinforced transverse wire welding mechanism, a longitudinal wire cutting mechanism, a longitudinal wire bending mechanism and a cage door blanking mechanism, wherein the longitudinal wire cutting mechanism is located in front of the longitudinal wire bending mechanism. The feeding and buffering frame can be used for automatically finishing paying-off work and a motor does not need to be frequently started; the service life of the motor is long and the tension of metal wires is consistent, so that a welded wire net has high quality; the end face of a reinforced transverse wire end is arc-shaped, is tightly fitted to the side face of a cage door frame longitudinal wire and is not trimmed so that a hanging head is not formed and a procedure of trimming again is saved; the wire is slightly pressed and then is cut off, and the longitudinal wire is finally bent; and with the adoption of the structure and the method, the stretching of a front metal wire, caused by a cage door, is avoided.

The invention belongs to a gas protective welding flux cored wire for welding heat resistant steel. The gas protective welding flux cored wire comprises low-carbon steel metal skin and a flux core, wherein the low-carbon steel metal skin comprises the following components in percentage by weight: 0.01 to 0.1 percent of C, 0.1 to 0.4 percent of Mn, 0.01 to 0.03 percent of Si, 0.005 to 0.015 percent of S, 0.005 to 0.015 percent of P and the balance of iron; the flux core accounts for 14 to 25 percent of the total weight of the welding wire and comprises the following components in percentage by weight: 1.2 to 3.0 percent of medium-carbon ferromanganese, 0.20 to 2.0 percent of ferrosilicon powder, 0.05 to 0.5 percent of magnesium powder, 1.5 to 2.0 percent of metal chromium powder, 0.2 to 2.0 percent of ferromolybdenum powder, 0.05 to 0.2 percent of electrically fused magnesia, 0.01 to 0.3 percent of fluoride and 7 to 15 percent of iron powder; and the components are mixed uniformly, the mixture is coiled on a thin steel strip made of low-carbon steel to form strips, and the strips are drawn to form wires. The gas protective welding flux cored wire has the characteristics of no molten slag on deposited metal after welding, capability of performing continuous multi-layer welding without slag removal, high welding process property, stable electric arcs, small splatter, attractive appearance of weld joints and the like, the welding efficiency is improved by 20 to 40 percent, and vertical downward welding can be realized by short circuiting transfer.

The invention provides a square sapphire monocrystal furnace heat field structure. The square sapphire monocrystal furnace thermal field structure comprises an upper heat shield, a side heat shield, a lower heat shield, a crucible cover, a square crucible made of metallic tungsten, a square pallet, a circular pillar, and a square heating body structure formed by connecting a right-angled copper current conducting plate with a tungsten rod. The square sapphire monocrystal furnace heat field structure has the advantages of good heat insulation effect, stable temperature field, reasonable temperature gradient, few defects in grown sapphire crystals, and small heat stress.