969results about How to "Fully lubricated" patented technology

Methods and systems are provided for operating an engine fuel system including fuels of different fuel types. A first fuel type is delivered for port injection upon circulation through a high pressure pump when direct injection of a fuel is not requested to cool and/or lubricate the high pressure pump.

In hybrid electric vehicles having increased battery storage capacity and plug-in capability, electric-only operation of significant duration is available. To supplement lubrication for the electric and mechanical component provided by an engine-driven mechanical pump, an electric pump is provided in parallel to the mechanical pump. A method to control the electric pump is also disclosed in which a first desired quantity of a first component and a second desired quantity of a second component are determined. The electric pump is commanded to provide the greater of the first and second quantities. The desired quantity can be based on preventing temperature in the component from exceeding a maximum design temperature and/or providing sufficient lubrication to rotating parts of the component.

The invention discloses an air conditioner and an oil return control method and device thereof. The oil return control method includes the steps of judging whether the operation condition of the air conditioner meets a preset condition which is used for triggering the air conditioner to start an oil return program, and controlling the air conditioner to start the oil return program under the condition that the operation condition of the air conditioner is judged to meet the preset condition so that oil return operation, at least comprising increasing of the operation frequency of a compressor of the air conditioner, can be executed. The technical problems that in the prior art, due to improper oil return of the compressor, the lubricating effect is poor, and abrasion of the compressor is high are solved.

A molding machine having a lubrication mechanism according to the present invention can effectively rubricate a ball screw and elongate a service life of the ball screw. In a clamping apparatus of an electric injection molding machine, a rotational movement of a rotational shaft of a motor is converted into a linear movement in an axial direction by a ball screw mechanism. Atomized lubrication oil is directly sprayed inside the ball screw nut from a spray nozzle. The lubrication oil, which has been sprayed from the spray nozzle, is recovered and reused.

Methods and systems are provided for a direct injection fuel pump. The methods and system control pressure within a compression chamber so as to improve fuel pump lubrication.

The invention discloses a digital control turning-milling complex machine tool, which comprises a digital control machine tool body, a spindle system, a milling unit head, a cutting off tool rest, a tailstock, a longitudinal and horizontal feed system and a lubricating system, and is characterized in that a lower slide block is arranged on a saddle of the machine tool; the front end of the lower slide block is provided with the four-station electric cutting off tool rest; the back end of the lower slide block is provided with the milling unit head capable of lifting; a mill head spindle of the milling unit head is provided with a milling cutter or a drill bit; the lifting of the milling unit head is realized by a servo motor driving a ballscrew pair to rotate; and a variable-frequency motor drives the mill head spindle to rotate, and the rotating speed of the mill head spindle is changed through adjustment of the frequency of the variable-frequency motor. Through once clamping, the digital control turning-milling complex machine tool can realize turning-milling complex processing to achieve the aim of multiple functions of one machine; the machine tool realizes four-axis linkage controlled by four axes combined by an X axis, a Y axis, a Z axis and a C axis together through a digital control system; and the whole machine has good rigidity, and the dimensional precision of processed parts reaches IT 7 and the surface roughness Ra is less than or equal to 3.2 mu m.

A radial shaft seal is provided for accommodating large radial offset of the shaft relative to a housing. The seal includes an annular retainer insert provided for engaging the seal to a fixed housing. An annular elastomeric seal body is molded to the retainer insert and includes a flexible axially extending portion extending from an inner surface of the retainer insert. A seal portion extends from a radially inward end of the flexible portion and includes first and second seal lips and an elastomeric bearing surface disposed between the first and second sealing lips. The bearing surface includes a plurality of raised pads adapted to engage the shaft. The pads each include a rounded edge on lateral sides thereof for encouraging the creation of a lubricating film between the pads and shaft. The pads are lubricated by a lubricant disposed in a lubricant chamber disposed between the first and second seal lips.

The invention discloses a main decelerator for middle and small size helicopters. The upper end of a rotor shaft is the output end, and a shaft sleeve is arranged on the middle-upper part; a deep groove ball bearing is arranged on the upper part of the shaft sleeve, a secondary driven helical bevel gear is arranged on the middle part of the shaft sleeve, a jointed sun gear is arranged on the lower part of the shaft sleeve, three planetary gears are in mesh transmission with the sun gear respectively, and three planetary gears mesh with the gear ring respectively to form a planetary gear train; the gear ring is fixed on an annular base through a key, a horizontal transmission shaft is arranged on one side of the outer part of the base through supporting seats and a supporting board, a secondary driving helical bevel gear and a primary driven helical bevel gear are respectively arranged on two ends of the transmission shaft through splines, and the primary driven helical bevel gear is an input gear. The main decelerator disclosed by the invention adopts the technologies of nested installation for the sun gear shaft with the rotor shaft and integrated design for the planetary gear train bearing, the installation space is saved, the number of key parts is reduced, the system reliability is improved, the whole structure has the advantages of high carrying capacity, compact structure and easy maintenance, and the whole power transmission is U-shaped.

The invention belongs to the field of auxiliary materials for smelting steel, in particular to a covering slag for a pre-melting continuous casting crystallizer. The weight percentage components of the covering slag are as follows: 31 to 36 percent of SiO2, 30 to 35 percent of CaO, 2 to 5 percent of MgO, not more than 1.5 percent of Fe2O3, 2 to 5 percent of Al2O3, 8 to 11 percent of Na2O, 5 to 8 percent of F, 0.8 to 1.5 percent of Li2O, 3 to 6 percent of C and the rest are unavoidable impurities. The covering slag has a good liquidity and spreadability, can uniformly cover the surface of molten steel, has no piling phenomenon, and has the advantages of active slag surface, uniform melting and no caking phenomenon. The invention has a better insulating performance and has no cold steel agglomerated on the liquid surface; can ensure a casting blank to be fully lubricated so as to realize a high pulling rate; has a stable performance after absorbing the impurities and can realize stable and smooth continuous manufacture; avoids the steel leakage phenomenon, improves the casting blank quality and can lead the longitudinal crack of a plate blank and the angle part cross crack to be reduced by more than two third averagely; the invention has a low cost and is convenient for popularizing.

The fuel injection system has a high-pressure pump, by which fuel is pumped into a reservoir, with which injectors disposed on cylinders of the engine communicate. A feed pump pumps fuel out of a fuel tank to the high-pressure pump and a fuel metering device triggered by a control unit and disposed between the feed pump and the high-pressure pump controls the fuel quantity delivered to the high-pressure pump. The fuel metering device is formed by a clocking valve, which is opened and closed in pulse-width-modulated fashion by the control unit, and the fuel quantity delivered to the intake side of the high-pressure pump is proportional to the opening duration of the clocking valve.

The invention discloses a water area flotage cleaning device, which comprises a power device, a catcher, a separator and a flotage processing and recycling device, wherein the catcher comprises a rotary shaft and at least one catching gear, the power device matches with the rotary shaft to drive the rotary shaft, the catcher gear is arranged relative to the rotary shaft radial direction and is fixed and matched with the rotary shaft, the separator and the non-rotary part of the catcher are relatively fixed, the separator is arranged from the upper side to the lower side, the upper side is set in a comb gear shape, the comb gear shape is composed of at least two separating gears arranged in axial direction, the adjacent separate gears are arranged on both sides of the catcher gear with a gap to the catcher gears. The invention has simple and compact structure, high mechanic degree, small energy consumption, short flow, small occupancy area, easy operations, high work efficiency, environment protection property, convenient maintenance, simple process, and can maximally save labors, resources and process cost.

A rock breaking machine and to a method of lubricating a tool of a rock breaking machine. The lubricating system comprises at least one lubricant channel (23) into which lubricant is fed by a lubricating device (24). Lubricant is supplied to the bearing members (19) of the tool (6, 13) of the rock breaking machine. The lubricating device comprises a lubricant container (25) and a transfer device (26). The transfer device (26) controls the feed of lubricant into the lubricant channel. The lubricant container (25) is integrated into the body (17, 18) of the rock breaking machine.

The invention provides a rotary compressor, comprising a compression component and a motor component which are arranged in a shell, wherein the compression component is arranged at the lower part of the shell; the motor component is arranged at the upper part of the shell; the compression component comprises an air cylinder, a piston arranged in the air cylinder and a slip sheet; a long bearing and a short bearing which are used for supporting an eccentric crankshaft are arranged on the air cylinder; the short bearing is used for dividing the inner space of shell into a low-pressure cavity atthe upper part and a high-pressure cavity at the lower part; the short bearing is provided with an upper oil pool, and an oil storage cavity is arranged at the lower end of the short bearing; the oilstorage cavity is communicated with the lubricant channel of the eccentric crankshaft; one end of an oil conduit is communicated with the upper oil pool and the other end of the oil conduit is communicated with the oil storage cavity; an oil conducting cover is arranged at the lower end of the short bearing; and the oil conducting cover, the lower end of the short bearing and the eccentric crankshaft form an oil storage chamber. The rotary compressor is simple and reasonable in structure, flexible in operation, good in lubrication performance, good in oil-gas separation effect, low in oil seal amount and high in safety degree.

The invention discloses all-metal screw pump stator machining equipment. The all-metal screw pump stator machining equipment comprises a cutter bar, a cutter head, a guide rod, a supporting base, a workpiece fixing device and a cutter bar rotation driving device, wherein the supporting base is fixedly connected with a machine tool; a guide sleeve is arranged on the guide rod; a guide slot is formed on the guide rod; the guide rod is arranged on the supporting base; the cutter bar is arranged inside the guide slot through an adjustable shaft sleeve; the cutter head is arranged at the front end of the cutter bar; the back end of the cutter bar is connected with the cutter bar rotation driving device; the cutter bar is equipped with a translational mechanism moving in the radial direction of the guide slot; at least one axial air hole is formed on the guide rod; the outlet of the axial air hole is formed on the front end surface of the guide rod; the inlet of the axial air hole is connected with an air supplying device; an axially communicated cooling oil hole is formed in the center of the cutter bar; and a cooling oil supplying device is connected at the back end of the cooling oil hole. The all-metal screw pump stator machining equipment has the advantage as follows: metal scraps are discharged from a cutting point, thus avoiding the problems such as abrasion of the cutter head and blade flaking, and preventing defects of an internal hole caused by scratch of the internal hole by the metal scraps.

The invention discloses a bell-less top distributing gear of furnace, belonging to technical field of metallurgical industry. The invention adopts sealed cooling, a water-cooling venturi tube with pipe laying and a water-cooling chassis. A motor drives a chute to rotate and tilt; wherein, the motor drives the nut of the ball screw assembly to rotate and then drives the lead screw and the lifting rotary frame connected with the lead screw to move up and down in order to achieve chute to tilt for Alpha angle. The invention has the advantages of high coaxiality, high transmitting precision, long service life of the critical component, easy manufacture, light weight and low cost. The tilting Alpha angle of the chute and the stationarity of the tilting movement of the chute can be checked during the producing process of the furnace by the invention. The invention can be used in charging operation of furnace roof and also is suitable for shaft furnace or smelting reduction furnace which need to feed from the roof to the closed space and distribute regularly.

The invention relates to an oil supply for an internal combustion engine, comprising an oil supply device for the supply of oil to a piston, reciprocating in a cylinder. The oil supply device is embodied such that at least at a point at which the piston is in the region of bottom dead centre, oil is introduced directly into a region below the piston, by means of the oil supply device, in particular, beneath the piston crown and within the piston skirt. The oil supply device thus comprises at least one tube element, extending into a region beneath the piston crown. The tube element terminates as close as possible to a gudgeon pin, when the piston is at bottom dead centre. A targeted lubrication of the mechanically and thermally highly loaded gudgeon pin can thus be guaranteed. It is also possible by means of the oil supply to supply transfer ports of a two-stroke engine with oil, counteracting a tendency to coke up.

Provided is a turbine generator system capable of sufficiently lubricating a bearing without impeding heat transmissibility of an evaporator and a condenser. The turbine generator system comprises a turbine power generation unit including a generator and a turbine for driving the generator, an evaporator which receives heat from a heat source and supplies the working medium in a vapor phase containing a lubricant to the turbine power generation unit, a condenser which condenses the working medium which has flowed through the turbine a medium feeding pump which raises a pressure of the condensed working medium and feeds the working medium to the evaporator, and a feeding passage through which the working medium extracted from the evaporator is supplied to bearings in the turbine power generation unit.

The invention relates to an electromagnetic hydraulic valve (1) comprising an armature (8) guided in longitudinal movement in an armature guide (9) actuating valve tappets (15) distributed in a valve box (14) ). Said valve lifters control the connection between interface holes (28, 29, 30) for hydraulic medium formed in the valve box (14), wherein the valve lifters (15) are connected to one or more sealing bodies (22 , 23) form an effective connection, and the sealing body corresponds to one or more sealing sleeves (17, 18) supported on the valve box (14). The hydraulic valve (1) has a mechanism for depositing dirt particles, which consists of a partition (31) arranged between the armature guide (9) and the connecting holes (28, 29, 30). Said partition forms a hydraulic seal with the inner surface (16) of the valve box (14), wherein the valve box (14) consists of a magnetizable material for the purpose of depositing ferromagnetic dirt particles.