156results about How to "Increase inspiratory capacity" patented technology

The invention relates to a Zr-Co-Re thin film getter provided with a protection layer, and a preparation method thereof. The Zr-Co-Re thin film getter is composed of a getter layer and the protection layer; main components of the getter layer are Zr, Co, and one or more selected form rare earth elements La, Ce, Pr, and Nd; and main component of the protection layer is Ni. Pulsed laser deposition film plating is adopted, and deposition of the double-layer structured thin film getter containing the protection layer and the getter layer on texture monocrystalline silicon is carried out. The texture substrate is capable of increasing effective area of the getter thin film, and so that inspiratory flow rate and inspiratory capacity are increased. The surface of the getter layer is plated with a Ni protection layer; Ni is capable of realizing dissociation of hydrogen, and increasing absorption amount of hydrogen; and the Ni protection layer is capable of inhibiting absorption of oxygen and reducing activation temperature. Activation of the Zr-Co-Re thin film getter can be realized in roasting processes at a temperature of 180 to 350 DEG C; after roasting, the Zr-Co-Re thin film getter possesses excellent inspiration performance at room temperature, can be used for internal gas residue removing of high vacuum microelectronic devices.

The invention relates to a scroll wrap profile of a liquid-injected scroll compressor. Outer profiles of a static scroll wrap and a dynamic scroll wrap are composed of a section of a variable diameter base circle involute, and the inner profiles of the static scroll wrap and the dynamic scroll wrap are composed by smoothly connecting a variable diameter base circle involute at a center part and normal equidistant curves of the variable diameter base circle involute of the outer ring. The scroll wrap refers to a scroll wrap with compression chamber variational meshing clearance and the wall thickness of the scroll wrap changing gradually. The meshing part close to a central air outlet of the compression chamber is provided with the meshing clearance which forms a pressure unloading channel to the air outlet with small clearance internal leakage, so that the problems of surge pressure in the compression chamber or liquid impacting which are produced by incompressible liquid with relatively large spraying volume. The meshing point of a suction cavity formed by the scroll wrap has no meshing clearance, so that the suction cavity is completely isolated from the compression chamber; at the same time, the wall thickness of the scroll wrap changes thinner gradually from the center to the outer ring, so that the central part of the scroll wrap has enough strength; and the wall thickness at the outer ring of the scroll wrap is relatively thin, so that area utilization rate of a scroll plate is effectively increased.

The invention discloses a non-evaporable low-temperature activated zirconium getter film and a preparation method thereof. The non-evaporable low-temperature activated zirconium getter film comprises an adjusting layer, a gettering layer and a protecting layer which grow on a rough monocrystalline silicon wafer sequentially, wherein in terms of chemical composition, the gettering layer contains 75%-77% by mass of zirconium, 18%-22% by mass of cobalt, 2%-5% by mass of yttrium and the balance of other inevitable impurities; in terms of a microstructure, the gettering layer is formed by densely arranged columnar grains, and the height of columnar tissue is 100-300 nm. The prepared getter film has the advantages of being environment-friendly, high in gettering capacity, low in activation temperature, high in adhesion force, long in service life, easy to prepare, low in cost and the like and is applicable to packaging of mini vacuum devices in the industrial field of microelectronics.

The invention discloses a double-cylinder rotary type compressor component and a compression device thereof. The compression device comprises a first cylinder, a second cylinder and a partition plate, wherein a first compression cavity is formed in the first cylinder; a first air suction slot communicated with the first compression cavity is formed in the lower surface of the first cylinder; the second cylinder is arranged below the first cylinder; a second compression cavity is formed in the second cylinder; a second air suction slot communicated with the second compression cavity is formed in the upper surface of the second cylinder and corresponds to the first air suction slot from top to bottom; the partition plate is arranged between the first cylinder and the second cylinder; a third matching slot is formed in the partition plate and is matched with at least one of the first air suction slot and the second air suction slot; the first air suction slot, the second air suction slot and the third matching slot jointly form an air suction opening. According to the compression device for the double-cylinder rotary type compressor component, disclosed by the invention, the transverse size of the air suction opening is large, the air suction resistance is reduced, and the efficiency of the double-cylinder rotary type compressor component is improved.

The invention relates to a low temperature heat pump water heater, comprising a compressor, a hot water heat interchanger, a throttle mechanism, a super-cooling charge air cooler, an outdoor heat interchanger, a gas-liquid separator, a heat preservation water tank, a water pump and a defrosting electromagnetic valve. In the invention, a super-cooling charge air cooler air supply device is provided, under the operation of low temperature working condition for producing hot water, the low temperature heat pump water heater of the invention adopts the super-cooling charge air cooler to add saturated refrigerant gas of intermediate pressure to the compressor, so that condensate depression of the refrigerant in the primary cycle is increased while suction capacity of the compressor is increased, thus increasing mass flux in the major cycle, increasing heating capacity and reducing discharge temperature and compression ratio of the compressor. The water heater of the invention has simple structure, easy production, low production cost, high efficiency and energy saving and reliable and stable operation.

The invention provides an air conditioner control method. The air conditioner control method is used for a refrigerant heating module of an air conditioner. The air conditioner control method comprises the following steps that an outdoor ambient temperature, an indoor ambient temperature and a compressor exhaust temperature are detected after the air conditioner operates in a heating mode and a first preset condition is met; a user set temperature is acquired; whether the outdoor ambient temperature, a difference value between the user set temperature and the indoor ambient temperature and thecompressor exhaust temperature meet a second preset condition is judged; and if yes, the refrigerant heating module is turned on. The turn-on of the refrigerant heating module is jointly controlled through three parameters of the outdoor ambient temperature, a user heating demand (obtained by the difference value between the user set temperature and the indoor ambient temperature) and the compressor exhaust temperature, the control of the refrigerant heating module is more accurate, and the refrigerant heating module cannot be turned on under the condition that refrigerant heating is not required, so that energy saving is further realized, and low-temperature heating capacity and energy efficiency are improved to the greatest extent.

The invention relates to an ultralow temperature heat pump air conditioning system, consisting of a compressor, a solenoid operated four-way valve, an outdoor heat exchanger, a throttle mechanism, a flash vaporization intercooler, an indoor heat exchanger and a gas-liquid separator. The air conditioning system comprises a steam injection device of the flash vaporization intercooler, and when the air conditioning system is in heating operation under ultralow temperature, the flash vaporization intercooler sprays refrigeration agent, so as to increase the inspiration capacity of the compressor and help to increase the mass flow of the refrigeration agent in a main circle, thereby increasing the heating capacity and reducing the compression ratio and the discharge temperature of the compressor. The invention has the advantages of simple structure, easy manufacture, low manufacturing cost, high efficiency, energy saving, stable and reliable operation, etc.

The invention relates to a low temperature heat pump air conditioning system, consisting of a compressor, an electromagnetic four-way valve, an outdoor heat exchanger, a throttle mechanism, a super cooling intercooler, an indoor heat exchanger and a gas-liquid separator. In the invention, an air supply device for the super cooling intercooler is provided, when heating is carried out under the low temperature working condition, the super cooling intercooler is used for supplementing the compressor with medium pressured saturated refrigerant gas to increase the super cooling degree of the refrigerant in the main circulation and simultaneously increase inspiration capacity of the compressor so as to enhance the mass flux of the refrigerant in the main circulation, thus heating capacity is increased and compression ratio and gas discharge temperature are decreased. The low temperature heat pump air conditioning system has the advantages of simple structure, easy manufacturing, low manufacturing cost, high efficiency, energy-saving, stable and reliable operation, etc.

The present invention is an air intake device for a two-wheeled motorcycle, which is formed in an air filter housing divided into an upstream side air chamber and a downstream side air chamber by an air filter element, and the lower part of the air filter housing has a The lower opening is further provided with a rib that surrounds at least a part of the circumference of the lower opening and protrudes downward from the air filter case. It is possible to prevent rainwater and muddy water from being sucked into the air filter housing while reducing the suction resistance.

The invention provides a complex structure getter film and a preparation method thereof. The method comprises the steps that a substrate is provided; a first getter alloy is adopted as a target, and amagnetron sputtering layer is deposited on the substrate through a magnetron sputtering method; and a second getter alloy is adopted as a target, a vacuum evaporation layer is deposited on the magnetron sputtering layer through a vacuum evaporation coating method, and the complex structure getter film is obtained. According to the complex structure getter film and the preparation method thereof,the complex structure getter film with microcosmic gradient morphology design is constructed, so that the complex structure getter film meets the characteristics of good film layer mechanical property, high porosity, high air suction capacity, high air suction rate, low-temperature activation and the like, and god industrial application prospects are achieved.

The invention discloses a sound-proof double air inlet micro air pump. The sound-proof double air inlet micro air pump comprises a motor and a shell assembly, wherein the shell assembly comprises a fixed base and a cup base; a valve seat is mounted on the cup base; an upper cover with an air outlet is arranged on the valve seat; the fixed base and the cup base are enclosed to form an air inlet cavity; the valve seat and the upper cover are enclosed to form an exhaust cavity; an eccentric cap, a linkage shaft and a linkage bracket are arranged in the air inlet cavity; an air compression cup is mounted on the cup base; a one-way exhaust valve is mounted on the valve seat; filtering sound-proof cotton is arranged in the exhaust cavity; an inner cavity of the air compression cup is an air compression cavity; the eccentric cap is connected with a motor; an eccentric hole is formed in the eccentric cap; one end of the linkage shaft is mounted in the eccentric hole; the other end is connected with the linkage bracket; a left air inlet hole and a right air inlet hole are formed in the fixed base; and positions of the left air inlet hole and the right air inlet hole exceed a rotation track of the eccentric cap to form a double air inlet structure. The sound-proof double air inlet micro air pump has the advantages of reducing air noise, large air suction amount, reducing air suction resistance and reducing vibration.

The invention relates to a single-groove inflation stirring type flotation machine and belongs to the technical field of mining machines. The single-groove inflation stirring type flotation machine is composed of a foam scraper blade transmission device (2), a head foam scraper blade (3), a main shaft mechanism (4), a transmission device (6) and groove bodies (17). Air is supplied through an outer air blower, and the air inflating volume of the outer air blower can be adjusted through a valve according to flotation needs; due to the fact that an impeller only performs the function of stirring and does not perform the function of air suction, the rotating speed is low, stirring is not strong, and the argillization phenomenon is not likely to happen when floatation is conducted on fragile objects. The ore pulp surface is stable, a stable foam layer can be easily formed, and thus the grading index can be easily increased; the single-groove inflation stirring type flotation machine is used for separating nonferrous metal, black metal, precious metal and non-metallic minerals, used for rougher flotation, scavenging flotation and fine flotation of chemical materials and used for recycling useful minerals. The single-groove inflation stirring type flotation machine is large in air suction volume, low in power consumption, small in equipment occupied area, convenient to maintain, capable of completely achieving automatic mechanical production, wide in application range and long in service life.

The invention provides a getter which comprises the following components in percentage by weight: 15-70 percent of first air suction particles, 15-70 percent of second air suction particles and 5-15 percent of a sintering aid, wherein the first air suction particles refer to a ternary alloy; two metals in the ternary alloy refer to Zr and V; and the second air suction particles are metal simple substances or metal compounds in the fourth subgroup. The hydrogen atom has high diffusion rate in a V-enriched phase of the ternary alloy, and the ternary alloy has low activation temperature; the second air suction particles have high hydrogen absorption capacity, stable air suction performance and high air suction rate; and moreover, a beta-phase solid solution is formed between the sintering aid and the second air suction particles, so that the binding force among the getter particles is increased, and the stability of the getter is improved. Therefore, the getter has the wide-range activation performance and has high firmness and air suction performance.

The invention relates to an internally heated getter pump. The pump comprises a plurality of air suction elements 1, a supporting body, positioning plates 5 and a base 6. The supporting body comprisesa central supporting bar 2 and a cylindrical hollowed-out thin shell 4. The central supporting bar 2 is connected with the cylindrical hollowed-out thin shell 4 through one positioning plate 5. The positioning plates 5 and the cylindrical hollowed-out thin shell 4 are fixed to the base 6 through the central supporting bar 2. A pump body is provided with the multiple air suction elements 1 which are uniformly fixed to the positioning plates 5 through thin metal bars 11 correspondingly. The base 6 is a high vacuum CF flange and is connected with the pump body central supporting bar 2 in a threaded form and connected with heating systems and thermocouples in the pump body and an external power supply by embedding four vacuum electrodes 7 in the base through kovar alloy. The internally heatedgetter pump provided by the invention adopts the internal heating column shaped air suction elements and is high in heating efficiency, uniform in exciting and high in air suction speed.

The invention relates to a Li-B air suction material, and belongs to the technical field of manufacturing of air suction materials. The Li-B air suction material comprises the following components, by mass, 30-70 % of Li, 20-50 % of B, 0.3-6 % of Mg and/or Al, and 0.01-18 % of C. The sum of the mass percentage of all the components is 100 %. The using temperature of the Li-B base air suction material can exceed 200 DEG C, and the Li-B base air suction material can normally and efficiently suck air when used at high temperature. The Li-B base air suction material not only is applied to the technical field of vacuum electronics, but also can be used in emerging technology fields which have special requirements for air suction materials.

The invention discloses a gas compressor with damping boss guide vanes. The gas compressor is composed of a machine body assembly, a supercharging device and a servo motor. The supercharging device isinstalled between a gas inlet and a main gas chamber of the main body assembly, gas supercharging is achieved, the supercharging process is stable, energy consumption is low, and high supercharging is achieved according to practical requirements. The servo motor is installed on the outer wall side of a shell. The guide vanes adopted in the gas compressor are simple in structure, damping bosses inthe middles of the guide vanes and the vanes are assembled to be in an annular shape to restrict each other, rigidity is increased, the inherent frequency of the vanes is changed, the bending torsional stress of the roots of the vanes is reduced, damping boss combined faces of the guide vanes are sprayed with wear resisting alloy, and the damping effect can be achieved during vibration of the guide vanes. Impellers adopted in the gas compressor are large in gas suction amount, low in noise, high in working efficiency, no prone to deformation and damage and long in service life, flow equalizing processing for gas suction and gas exhaust can be achieved, and balance of gas pressure in the shell is ensured.

The embodiment of the invention discloses a rotary vane compressor, which comprises a rotor, a front end cover, a rear end cover, blades and a cylinder body, wherein inner surface shafts of the cylinder body are symmetric; the front end cover and the rear end cover are arranged at the two ends of the cylinder body; the rotor is arranged in the cylinder body; a sliding groove is arranged at a radial eccentric position on the rotor; the blades are arranged in the sliding groove; the rotor profile of the rotor is round; the motion curve of the blades is an extremely approximate function of the cylinder body profile of the cylinder body obtained by the displacement functions of the blades, and Theta is the rotor angle of the rotor; the cylinder body profile of the cylinder body of the rotary vane compressor is obtained by conversion according to the motion curve of the blades; three-order continuousness is ensured by the joints of all segments of the motion curve so as to prevent power impact on the blades. By optimization of angles, the tightness of the contact position between the cylinder body of the compressor and the rotor is ensured, and the air suction capacity and the theoretical exhaust capacity are improved under the condition of unchanged structural size of the compressor.

The invention discloses components of a high-performance getter alloy. The high-performance getter alloy comprises the following components of, in parts by mass, 40-80 parts of zircon, 12-18 parts ofa material A and 0-6 parts of a material B; the material A comprises the following components of, in percentage by weight, 20%-30% of graphite, 5%-15% of vanadium, 1%-8% of niobium and the balance iron; and the material B comprises the following components of, in percentage by weight, 10%-20% of nickel, 6%-14% of chromium, 3%-12% of aluminum, 5%-15% of cobalt and the balance iron. The invention further discloses a processing method of the high-performance getter alloy. The air suction rate and the air suction capacity of the machined getter alloy are greatly improved, the air suction performance of the getter alloy is greatly improved, meanwhile, the activation temperature of the getter alloy is reduced, the cost is saved, and the purposes of energy conservation and consumption reduction are achieved.

The vortex rotary compressor includes a compressor body; a vortex compressor comprising static scroll and movable scroll inside the compressor body, main shaft driving the movable scrolls to rotate, and limiting block to avoid the rotation of the movable scroll; and a sliding vane compressor coaxial with the vortex compressor. The vortex compressor has inlet connected to the outlet inlet of the sliding vane compressor, and compressing cavity communicated with the flow channel inside the compressor body, the flow channel inside the rotor of the sliding vane compressor and the sliding vane slot inside the sliding vane of the sliding vane compressor. The vortex rotary compressor has the characteristics of both vortex compression and rotary sliding vane compression, greatly raised gas compression ratio and displacement amount and expanded use range.