30results about How to "Improve unit performance" patented technology

This invention relates to microchannel apparatus that includes microchannels with interior surface features for modifying flow; processes utilizing this microchannel architecture, and methods of making apparatus having these features.

A system, circuit, and method are presented for adjusting a prefetch rate of a prefetch unit from a first rate to a second rate by determining a probability factor associated with a branch instruction. The circuit and method may determine the probability factor based on a type of disparity associated with the branch instruction. The circuit and method may further be adapted to calculate the second rate based on the probability factor. The ability to adjust the prefetch rate of a prefetch unit advantageously decreases the number of memory transactions, thereby decreasing the power consumption of a processing unit.

There is disclosed a mobile terminal including a housing comprising a first metal case, a second metal case and a first non-conductive case arranged between the first metal case and the second metal case, a battery embedded in the housing, a first coil arranged in an area covered by the first metal case inside the housing, a main board comprising a charging module implemented to recharge the battery using electric currents which flow in the first coil, and a first resonator arranged in an area covered by the first non-conductive case and comprising a first matching circuit corresponding to a first frequency, such that the examples of the mobile terminal in accordance with the present disclosure may enhance performance of the wireless communication unit and wireless charging performance, without design change of the housing having the metal case.

The invention discloses an air conditioner heat pump unit with an antifreeze solution regenerated heat recovery device. The air conditioner heat pump unit comprises a compressor, an evaporative condenser, at least one throttling device, at least one evaporator and the antifreeze solution regenerated heat recovery device, wherein the interface of one end of the compressor is respectively connected with the gas tube of the evaporative condenser and the gas tube of the evaporator; the interface of the other end of the compressor is simultaneously respectively connected with the gas tube of the evaporative condenser and the gas tube of the evaporator, and the connecting pipeline of the throttling device is respectively connected with the liquid tube of the evaporator and the liquid tube of the evaporative condenser; and the cooling water system of the evaporative condenser is provided with the antifreeze solution regenerated heat recovery device. By using the antifreeze solution regenerated heat recovery device, the solution regeneration and recycle of a solution regeneration energy source are realized, and an antifreeze solution is avoided to be frozen; and technology security is provided for the air conditioner cold-hot water unit to take heat from outdoor air to realize high efficient, continuous and stable heat supply.

The invention discloses an integrated water cooling cold water module unit which comprises a small cooling tower shell, a cooling system, a refrigerant circulating system and a functional module. Thecooling system, the refrigerant circulating system and the functional module are integrated in the small cooling tower shell. The cooling system comprises a fan, a water distributor, a cooling circulating pump, a sprayer and a cooling water tank, and the refrigerant circulating system comprises a low-power compressor, an evaporation cold-heat exchanger, a tube nest soaking type condenser, an indoor side heat exchanger and a gas-liquid separator; the functional module comprises a liquid storage tank, a drying filter and an expansion valve which are connected in sequence; the cooling water tankis arranged on the upper portion in the small cooling tower shell, and the low-power compressor, the liquid storage tank, the drying filter, the expansion valve and the indoor side heat exchanger arearranged on the lower portion in the small cooling tower shell. The evaporation cold-heat exchanger is arranged above cooling water of the cooling water tank, and the tube nest soaking type condenseris soaked in the cooling water of the cooling water tank; and the water distributor is arranged at the bottom in the cooling water tank.

The invention discloses a heat exchanger structure. The heat exchanger structure comprises a heat exchanger; the heat exchanger is in N folds; N heat exchanger sections are sequentially connected to form into the heat exchanger; a combination position is formed between adjacent two heat exchanger sections; the N which is an integer is greater than or equal to 2; the connecting mode between the adjacent two heat exchanger sections of at least one combination position is splicing; an included angle is formed between the spliced adjacent two heat exchangers; a groove is formed between the combination position of sliced adjacent two heat exchange sections and a position which is opposite to the included angle; the heat exchanger structure also comprises an electric heating device; the electric heating device is arranged inside the groove. The heat exchanger has the advantages of integrating the heat exchanger and the electric heating device and being convenient to install and detach and being small in occupied space and high in heat exchanging efficiency and efficiently improving the electric heating efficiency and air conditioning unit performances.

The invention discloses a control method of a cold water unit. A degree-of-opening adjusting proportion S is calculated according to a current superheat degree difference delta Ti and a last calculated superheat degree difference delta T(i-1); an electronic expansion valve is selected, and the degree of opening of the selected electronic expansion valve is adjusted according to the adjusting proportion S; the degrees of opening of other electronic expansion valves are adjusted, so that the refrigerant flow of a falling film type evaporator liquid pipe where the other electronic expansion valves are located is the same as that of the falling film type evaporator liquid pipe where the selected electronic expansion valve is located, the refrigerant flow in each parallel falling film type evaporator is the same, refrigerant distribution is uniform, the unit performance is improved, and the problem of uneven distribution of refrigerants in an evaporator in the prior art is solved.

The invention discloses a double-rotor rolling-piston-type expansion engine for a cold water machine set. The expansion engine has a horizontal-type structure and is formed by connecting two cylinders in series; front and rear end covers of cylinder bodies, the cylinder bodies, a two-cylinder gas connecting channel, an oil return chamber and other parts which are sequentially sealed and connected by bolts; cranks are embedded into bearings of the front and the rear end covers of the second cylinder body; a lubricating oil pump is arranged at the outer side of the front end cover of the first cylinder body, and an outlet of the oil pump is connected with an oil supply channel; return oil returns a lubricating oil chamber from the oil return chamber through an oil return channel; the outer end of a crankshaft is nested with a balance weight; and the crankshaft and a flange connected with a motor have the same axle center. The double-rotor rolling-piston-type expansion engine omits a suction control device of a single-stage rolling-piston-type expansion engine, directly utilizes a first cylinder to control suction capacity, adjusts the inner diameter size dimension of two cylinders so as to meet different expansion ratio, and realizes the design with high expansion ratio. By adopting the expansion engine to replace a throttle valve, the expansion work can be easily recovered, the refrigerating output is obviously increased by the cold water machine set, and the performance is stable and reliable.

The present invention discloses a technique of determining actual effect information actually related to cause information occurring in a multiplexer having the function of multiplexing communication lines, and the redundancy function. It is an object of the invention to determine the actual effect information at a high speed by providing an information input portion to take as inputs cause information and effect information collected in relation to components of a network having a multiple hierarchical configuration, a storage portion to contain hierarchical data for mutually correlating the components of the network having the multiple hierarchical configuration, and a processing portion to retrieve the hierarchical data from the storage portion depending upon the cause information input into the information input portion, thereby using the retrieved hierarchical data to extract the effect information input into the information input portion so as to determine the actual effect information actually related to the cause information.

A multi-circuit refrigerant system includes a plurality of circuits that are provided with distinct refrigerants. A control selectively matches a sensed environmental space conditioning challenge to selectively engage the plurality of circuits.

The invention discloses a novel double-source heat pump system utilizing a phase-change energy storage technology. The double-source heat pump system is characterized in that a unit shell is divided into an air source side closed cavity and a ground source side closed cavity through a partition plate; a fin heat exchanger is fixed in the air source side closed cavity; multiple groups of paraffin packaging pipes are fixed in a phase-change energy storage water tank; an outlet of a compressor is connected with a first inlet of a four-way valve through a refrigerant pipeline; a first outlet of the four-way valve is connected with a refrigerant inlet of a user side condenser through a refrigerant pipeline; a refrigerant outlet of the user side condenser is connected with an inlet of a liquid distributor through a refrigerant pipeline; an outlet of the liquid distributor is connected with refrigerant inlets of an air source side evaporator and a ground source side evaporator through refrigerant pipelines; a throttling valve is installed on a refrigerant pipeline on the back part of the liquid distributor; and an outlet of a liquid storage device is connected with an inlet of a compressor through the refrigerant pipeline. The double-source heat pump system has the advantages of good stability, high efficiency and good continuity.

The invention provides an air conditioner and a control method of the air conditioner and relates to the technical field of air conditioners. The air conditioner and the control method of the air conditioner solve the problem that during defrosting mode running of an existing air conditioner, a unit is not provided with an evaporator, and consequently liquid impact damage to a compressor is likelyto be caused. The air conditioner comprises a first heat exchanger, a second heat exchanger, a first pipeline and a second pipeline. The two ends of the first pipeline are connected with the two endsof a first throttling device correspondingly. The second pipeline is connected between the first outlet end of a four-way valve and a gas-liquid separator in parallel. A second throttling device is arranged on the second pipeline, and an evaporator is connected between the outlet end of the second pipeline and the gas-liquid separator in series. The evaporator is additionally arranged so that during defrosting mode running, gas-liquid two-phase refrigerants are evaporated into gas refrigerants, gas and liquid separation is achieved after the gas refrigerants pass through the gas-liquid separator, liquid impact damage to the compressor cannot be caused, and reliability of the unit is greatly improved. In addition, in the refrigerating mode and the heating mode, the evaporation temperatureis increased after the evaporator is additionally arranged, and the capability of the unit is improved.