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233results about How to "Reduce margin" patented technology

Process for enhancing the value of hydrocarbonaceous natural resources

A process for upgrading hydrocarbonaceous oil containing heteroatom-containing compounds where the hydrocarbonaceous oil is contacted with a solvent system that is a mixture of a major portion of a polar solvent having a dipole moment greater than about 1 debye and a minor portion of water to selectively separate the constituents of the carbonaceous oil into a heteroatom-depleted raffinate fraction and heteroatom-enriched extract fraction. The polar solvent and the water-in-solvent system are formulated at a ratio where the water is an antisolvent in an amount to inhibit solubility of heteroatom-containing compounds and the polar solvent in the raffinate, and to inhibit solubility of non-heteroatom-containing compounds in the extract. The ratio of the hydrocarbonaceous oil to the solvent system is such that a coefficient of separation is at least 50%. The coefficient of separation is the mole percent of heteroatom-containing compounds from the carbonaceous oil that are recovered in the extract fraction minus the mole percent of non-heteroatom-containing compounds from the carbonaceous oil that are recovered in the extract fraction. The solvent-free extract and the raffinate concentrates may be used directly or processed to make valuable petroleum, chemical or industrial products.
Owner:JAMES W BUNGER & ASSOC

Vehicle self-contained refrigeration machine set

The invention discloses a vehicle self-contained refrigeration machine set, which comprises: a power system, a control system, a refrigeration system and an electrical heater set, wherein the power system is connected with the control system, the power system is used for supplying the control system with electric power and is controlled by the control system; the control system is connected with the refrigeration system and the electrical heater set, the control system collects working parameters of the refrigeration system and the states of a refrigeration box, generates a control signal after data processing and adopts the control signal to control the operations of the refrigeration system and the electrical heater set. Driven by an alternating current variable frequency motor or a direct current variable frequency motor, the machine set adopts a low-speed starting compressor, therefore the current is small when the machine set is started, and no impact on an engine system is caused, thus the allowance in selecting style of diesel engine is reduced, a generator set with smaller model is selected, and fuel consumption is reduced. In addition, by adopting an electrical heating manner to produce heat and to deforest, design of the refrigeration system is greatly simplified, and the heat producing and the deforesting are realized directly and simply.
Owner:王军 +2

Method for processing thin wall welder cases of revolving body structures

InactiveCN102794610ASolve the structural sizeSolve the coaxial problem of front and rear installation side weldingArc welding apparatusPre deformationEngineering
The invention discloses a method for processing thin wall welder cases of revolving body structures, belonging to the technical field of aero-engine metal plate forming and welding. According to the invention, a whole pre-deformation welding/forming method is used for solving the problems that sizes of mounting edges are out of tolerance, coaxiality of front and rear mounting edges with main bodies after welding is out of tolerance and residual stress distribution of welding components is unbalanced. The method provided by the invention comprises the following steps of: carrying out technological structure welding deformation allowance compensation design on a mounting edge and a main body of a thin wall welder case before the welding according to the plastic deformation characteristics of materials; plastically forming an expansion block according to an expander work part, size and final structural size requirement of parts; carrying out automatic argon arc welding on the mounting edge and the main body; assembling the welded welder case and expansion block on the expander work part to carry out expansion plastic forming and controlling the expansion forming size through adjusting pressure of the expander; and unloading the pressure of the expander, recovering the expander work part and unloading the parts to complete the welding/forming process.
Owner:SHENYANG LIMING AERO-ENGINE GROUP CORPORATION

Power source system, power supply control method for the power source system, power supply control program for the power source system, and computer-readable recording medium with the power supply control program recorded thereon

InactiveUS8159186B2Increasing the power supply capacity of a power storage deviceImprove stateCircuit monitoring/indicationDifferent batteries chargingState of chargeSource system
The present invention provides a power source system that increases the power supply capacity of a power source device and continuously supplies the power necessary for a load device when a power source device stops. A control unit has a state quantity setting unit that sets a first target state quantity indicating a state of charge of the power storage device that is to be a target value when charge and discharge of the power storage device are controlled. When the power source device stops, the state quantity setting unit can change the first target state quantity to a second target state quantity that is to be a target value exceeding the first target state quantity and can increase the target state quantity of the power storage device. As a result, when the power source device stops, charge and discharge of the power storage device are controlled on the basis of the target state quantity exceeding that during the operation of the power source device. Therefore, the state of charge of the power storage device can be improved over that during the operation of the power source device. As a result, the power supply capacity of the power source device can be increased and the power necessary for the load device can be continuously supplied, in place of the power source device.
Owner:PANASONIC CORP

Gas-supply method of CNG gas-charging station for automobile

InactiveCN101059203AGuaranteed refueling serviceFull degassingPipeline systemsContainer filling under pressureProcess engineeringHigh pressure
The present invention discloses a gas supply method for vehicle CNG gas station (including ordinary, standard, sub-station gas stations) which is supplied gas by the natural gas pipe network or CNG mobile gas supply vehicles one by one. Said CNG mobile gas supply vehicles supply gas for the CNG gas station through gas releasing device; the high pressure gas releasing mouth of said gas releasing device is equipped with two gas releasing channels which supply gas to the high pressure gas storing device and the gas station separately; the medium (low )pressure gas releasing mouth of said gas releasing device is equipped with two gas releasing channels which supply gas for the medium or low pressure gas storing device and the gas station; said gas releasing device is equipped with residual gas releasing channel which is connected with the inlet of CNG gas station compressor technology system and supplies gas for the compressor. The advantages are: the CNG gas station has the function of CNG sub-station gas station at the same time, the CNG mobile gas supply vehicles can supply gas when the pipe network can not supply gas, the gas releasing speed is fast and the gas releasing is exhaustive. The operation is controlled intelligently and the operation is safe and reliable. So the disposition number of the CNG mobile gas supply vehicles is reduce, the CNG gas station technology and equipment resources are used fully and the CNG sub-station costs are reduced.
Owner:李富国

Spacing track optimizing method of tool electrode for electrolytic machining of integral wheel

InactiveCN101502900AOptimize the trajectory of space movementReduce marginElectrochemical machining apparatusImpellerElectricity
The invention relates to a space trajectory optimization method of an integral impeller electrolytic processing tool electrode and pertains to the field of electrolytic processing technology. In the processing, a tool electrode is linearly fed along the axis of an integral impeller rough cast at a certain speed V1 and rotates around a straight line in parallel with the axis of the impeller rough cast at a certain speed V2; meanwhile, the self axis of the impeller rough cast rotates at a certain angle speed V3. In the processing, the tool electrode is connected with the cathode of a power supply and the impeller rough cast is connected with the anode of the power supply; the electrolyte flows in from one end of the tool electrode and flows out from the clearance of the electrode; the impeller rough cast is continuously eroded and finally a nearly molded inter-impeller channel is obtained. According to the specific situation, different combinations of V1, V2 and V3 can be selected; according to the speed arbitration guideline of the invention, the space trajectory of the tool electrode is optimized and the inter-impeller channel has small margin and fine uniformity. The method is also applicable to the simultaneous processing of a plurality of electrodes, thus greatly increasing the processing efficiency.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Method for machining tongues and grooves of turbine discs

The invention discloses a method for machining tongues and grooves of turbine discs. The method includes steps of 1), forming section grooves in turbine disc blanks along reference lines of tooth crests of tongue teeth in rough broaching stroke; 2), cutting preset tongue tooth groove locations on the side walls of the section grooves to form tongue tooth rough grooves in semi-finish broaching stroke; 3), continuing to carry out cutting on the basis of the tongue tooth rough grooves to obtain tongue tooth grooves. The method for machining the tongues and grooves of the turbine discs has the advantages that the semi-finish broaching stroke is added between the rough broaching stroke and the finish broaching stroke, the partial tongue tooth rough grooves in allowance stroke can be removed bythe aid of the semi-finish broaching stroke, then the remaining tongue tooth grooves in the allowance stroke can be removed by the aid of the finish broaching stroke, finish broaching tools and semi-finish broaching tools are jointly responsible for tongue tooth groove allowance cutting, accordingly, allowance required to be cut by the various broaching tools can be reduced, broaching force in broaching procedures can be reduced, tool damage phenomena can be prevented, and the purposes of protecting the broaching tools, prolonging the service lives of the broaching tools and improving the component machining quality can be achieved.
Owner:HUNAN SOUTH GENERAL AVIATION ENGINE CO LTD
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