35results about How to "Good fuel injection" patented technology

The invention provides a compensation device and a method of numerical control cam shaft grinding machine grinding deformation. Two compensation device bases are arranged in the direction paralleled with the axial line direction of a cam shaft main shaft on one side of a cam shaft grinding machine, the bases are arranged on two guide rails, and capable of moving along the guide rails and being fastened on the guide rails through locking screws. The compensation device is arranged on the bases and composed of a servo motor, a lead screw, a nut, a connection rod, a sliding block, a roller, a control system and the like. After a cam shaft blank is clamped on a main shaft, the compensation device bases are adjusted to the position where the cam shaft is provided with a bearing and locked tightly, the diameter of the position where the cam shaft is provided with the bearing is input into the control system of the compensation device, a starting button is pressed, and then the motor of the compensation device drives the sliding block to clamp the cam shaft tightly. The compensation device and the method of numerical control cam shaft grinding machine grinding deformation have the advantages that deformation of the cam shaft because of grinding force can be compensated conveniently and machining accuracy of the cam shaft can be improved under the precondition that normal functions of the numerical control cam shaft grinding machine are not affected.

The invention provides a spraying device before necking of pop cans, which includes a transmission mechanism for transporting pop cans. One side of the transmission mechanism is provided with a relatively moving connecting plate and a driving mechanism for moving the connecting plate. The connecting plates are respectively located on the upper and lower sides of the conveying mechanism. On both sides, one side of the transmission mechanism is provided with a guide frame that restricts the moving direction of the connecting plate; the inner end of the connecting plate is installed with a fixed assembly for fixing the can One side of the components and the two are connected, and a contact sensor is provided on the fixed component at the lower side; an air pump and an oil tank are installed on the guide frame, and the air pump and the oil tank are connected with the fuel injection component. When the present invention is used, the order of first fixing the pop can and then spraying is adopted.

The invention relates to an oil spraying device of a special coating machine for a metallized film. The oil spraying device comprises an oil bottle, an oil outlet tube, a horizontally-arranged oil control tube and a spray head; the top of the oil control tube is provided with a conical chamber, the tail end of the oil control tube is provided with a first cover plate, and the oil control tube is internally provided with a bead, a first spring, a first piston and a second spring; and the outer part of the first cover plate is provided with a first air inlet tube on which a first air valve is arranged. According to the oil spraying device of the special coating machine for the metallized film, the opening between the bead and the oil control tube is controlled by virtue of air pressure so that oil leakage of the oil spraying device is avoided; and then, the motion of a second piston is controlled by virtue of air pressure to carry out pressurization treatment on coating oil entering the spray head, so that the coating oil sprayed from the head part of the spray head has enough spraying speed and pressure, the oil spraying time is shortened, and the oil spraying efficiency and quality are improved. The oil spraying device is simple in structure, convenient to use, stable in operation, short in oil spraying time, high in oil spraying efficiency and good in oil spraying effect.

The invention provides an electronically controlled accumulator fuel injector, which includes a fuel injector body and a control plunger rod. A control valve, an armature assembly, a solenoid valve spring, a solenoid valve and a first A pressing mechanism, the control valve is tightly connected with the injector body through the second pressing mechanism, the control plunger rod is installed inside the injector body, and the needle valve spring is socketed outside the control plunger rod, and the lower end of the injector body Install the fuel injection nozzle assembly, which is provided with an oil inlet passage inside, the control plunger rod and the valve needle of the fuel injection nozzle assembly are integrated, and the needle valve spring presses the valve needle of the fuel injection nozzle assembly against the valve. On the body, the big head of the control plunger rod and the nozzle assembly form a control plunger chamber inside the injector body, and the control plunger chamber communicates with the high-pressure oil inlet passage. The electronically controlled accumulator fuel injector of the present invention controls the pressure of the plunger cavity through the orifice, so as to increase the opening power of the needle valve and reduce the opening resistance of the needle valve, thereby optimizing the fuel injection performance.

The invention discloses a water conservancy decontamination machine based on computer control, which belongs to the field of water conservancy engineering. A water conservancy decontamination machine based on computer control, including a support frame, the upper end of the support frame is fixedly equipped with a hollow conveyor belt arranged obliquely, the outer wall of the hollow conveyor belt is fixedly equipped with a plurality of uniformly distributed conveyor rods, and the side wall of the support frame The incineration cylinder is fixedly installed, the side wall of the incineration cylinder is fixedly equipped with a lower hollow plate, the upper end of the lower hollow plate is provided with an upper hollow plate that is rotatably connected with the side wall of the incineration cylinder, and the lower end of the incineration cylinder is fixedly installed with a motor. The rotating shaft of the motor extends to the incineration cylinder and is fixedly connected with a cross bar. The lower end of the cross bar is fixedly connected with a plurality of stirring paddles. The side wall of the cylinder is provided with a combustion-supporting mechanism; the invention can recover river waste and incinerate the waste at the same time, has complete functions and does not need to be loaded and checked, and is more convenient to use.

The present invention provides one kind of tube tracking oil sprayer of injector assembling machine and belongs to the field of mechanical technology. The tube tracking oil sprayer includes one rotation shaft, one material feeding pan with notch in the edge for fixing tube, one spray gun frame beside the material feeding pan, one synchronous driving mechanism, and one spray gun frame detaching and resetting mechanism. The tube tracking oil sprayer has the features of high compatibility, sufficient oil spraying time, no contamination on the injector, high safety and high reliability.

The invention relates to a device and method for a prestressed duct, in particular to an antirust oil injection device for a steel cable in a prestressed duct and an oil injection method thereof, and belongs to the technical field of building engineering construction. The device and the method are designed for complex environments with large tonnage, super-long cables and anomalous events and are achieved through machining and manufacturing, simulation test and entity application practice. The device is simple in principle and convenient to operate; the profile occupied space is small, the weight is low, carrying is easy, the manufacturing cost is low, and the safety risk of high-altitude operation is low; the oil injection effect is good, cost is saved, efficiency is high, cost is low, and practicability is high; and at the same time, design requirements are met, the cost can also be lowered, the efficiency is improved, the time limit for a project is shortened, and the project quality is improved.

The invention belongs to the technical field of fuel injection systems of gasoline engines, and relates to a GDI fuel injector utilizing PTC thermal sensitive ceramic for heating. An insulation sheath, a PTC thermal sensitive ceramic pipe and a heat conduction round pipe in the GDI fuel injector sequentially wrap the outer ring of the lower portion of a needle valve, and insulation gaskets are arranged between the upper end of the PTC thermal sensitive ceramic pipe and a boss of the needle valve of the fuel injector and between the lower end of the PTC thermal sensitive ceramic pipe and the boss of the needle valve of the fuel injector respectively. The upper end of a positive wire and the upper end of a negative wire are connected with a wiring harness plug through electric conduction carbon rings and an electric conduction spring, the lower end of the positive wire and the lower end of the negative wire are connected with the positive pole and the negative pole of a heating electrode respectively, and the electric conduction carbon ring I and the electric conduction carbon ring II are connected through the electric conduction spring. The GDI fuel injector belongs to internal heating, fuel in the fuel injector can be heated to high temperature within short time, the fuel injection effect is good, the spraying effect in an air cylinder of a gasoline direct injection engine is greatly improved, cold start combustion efficiency is improved, and cold start tail gas emission is reduced. The GDI fuel injector is simple in structure, and other systems of an internal combustion engine do not need to be greatly modified.

The invention discloses a polyester staple fibre water-oil wet spraying machine comprising an oil spray tank, a movable oil tank, a filter screen, an oil return tank, an oil tank, an oil return hole, an oil inlet, an oil outlet, an oil outlet pipe, a multistage gear pump, a drive motor, a connecting pipe, an oil spray pipe, a plurality of oil spray holes and a compressed air pipe, wherein the movable oil tank is movably arranged at the lower end of the oil spray tank; the filter screen is arranged in the middle of the movable oil tank and can divide the movable oil tank into the oil return tank and the oil tank; the upper end of the oil return tank is provided with the oil return hole mutually communicated to the bottom of the oil spray tank; the oil tank is respectively provided with theoil inlet and the oil outlet; the oil outlet is connected with the multistage gear pump through the oil outlet pipe; the multistage gear pump is connected with the drive motor and connected with the oil spray pipe arranged in the oil spray tank through the connecting pipe; and the oil spray pipe is uniformly provided with the plurality of oil spray holes and is connected with the compressed air pipe. The oil spray holes are difficult to block and connected with the compressed air pipe so that the oil spray amount can be regulated according to the magnitude of working speed; and the invention has the advantages of uniform oil spray, good oil spray effect, oil consumption saving and reduced using cost.

The invention relates to the technical field of automobile control, in particular to a fuel injection control method for a vehicle equipped with a direct injection engine. The fuel injection activation conditions include the activation conditions based on fuel rail fuel pressure and the activation conditions based on the number of engine operating cycles. Fuel injection is allowed only when the two activation conditions are met at the same time; the activation conditions based on fuel rail fuel pressure refer to the current fuel rail pressure value Greater than the minimum fuel rail fuel pressure determined based on the current engine water temperature and the ambient atmospheric pressure of the engine; the activation condition based on the number of engine operating cycles means that the actual number of engine operating cycles is greater than the minimum number of engine operating cycles determined based on the current engine water temperature. The present invention fully considers the control method of various factors affecting the fuel atomization effect, takes into account the influence of water temperature, atmospheric pressure and engine operation cycle times on the fuel atomization effect, and selects the most reasonable fuel injection control scheme to achieve Optimum spray effect.

The invention is concerned with Silicone oil spreading equipment of injector assembly machine, belonging to machine technology. It solves the pollution on outside of canister and bad spraying effect of the existing Silicone oil spreading equipment. This equipment relates to a turning axis fixed with a turntable running with the turning axis. There are some blocks on the rim of turntable for fixing canister, and there is rack of spray oil on the side of turntable which having spray oil framework relating to head to spray oil, oil cup connecting with the head and spraying framework set on the head. There is driving framework between the head of spray oil and rack of spray oil to drive the spray framework on the top of block. This spray effect is good and the spray time is enough of this equipment and it can spray to the canister well and truly.