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

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.

The invention discloses an intelligent automatic lubricating cleaning device for a driving chain, and belongs to the technical field of chain cleaning lubrication and aims at providing the intelligent automatic lubricating cleaning device for the driving chain with the advantages that a cleaning function is realized, the service lives of the driving chain and a main disc and a sub disc of a driving motor can be prolonged, and the lubricating effect is good. The intelligent automatic lubricating cleaning device comprises a support frame, an oil supply pipeline, a driving chain, a traction chain, a pulling claw, a driving motor, an air blowing cleaning mechanism, a controller, an electromagnetic pneumatic valve and a proximity switch, wherein the proximity switch is connected in series onto a power supply loop of the electromagnetic pneumatic valve, the electromagnetic pneumatic valve is connected onto the oil supply pipeline, an oil spray nozzle of the oil supply pipeline is arranged above the driving chain, the proximity switch is arranged above a chain wheel, an oil collecting disc is arranged under the driving chain, an air blowing opening of the air blowing cleaning mechanism is arranged in a direction facing the driving chain, and the control end of the air blowing cleaning mechanism and the control end of the proximity switch are respectively connected with the controller. The intelligent automatic lubricating cleaning device is mainly used in the automatic lubricating cleaning technology of the chain.

The invention discloses an oil spraying device for towing basin track cleaning. The oil spraying device comprises a vehicle frame. The vehicle frame is provided with a rolling brush cleaning device. The rolling brush cleaning device comprises a motor, a motor belt wheel and a rolling brush belt wheel. The motor is installed on the vehicle frame through a motor base, the motor drives the motor belt wheel to rotate, the motor belt wheel drives the rolling brush belt wheel through a belt to rotate, the rolling brush belt wheel and a rolling brush shaft coaxially rotate, the rolling rush shaft rotates so as to drive a rolling brush to rotate, and the rolling brush rotates so as to clean a track. The rolling brush shaft is installed on a rotating support through a rolling brush bearing pedestal. The rotating support is installed on a rotating support base through a rotating support main shaft. The rotating support base is installed on the vehicle frame. The oil spraying device for towing basin track cleaning is installed at the end in the forward motion direction of a trailer when in use, and is used when the trailer is in low-speed trial run; the rolling brush is adopted for cleaning the surface of the track, high-speed airflow is adopted for blowing brushed-up dirt away from the track, and then trace of oil is sprayed to the surface of the track.

Disclosed is an electric control uniset fuel injection pump for a diesel engine. According to the electric control uniset fuel injection pump for the diesel engine, a pump body plunger cavity is communicated with a high-pressure oil hole, an electromagnetic installation hole and a low-pressure oil supply cavity are formed in the two lateral sides, are communicated through a middle connection hole and are perpendicularly communicated with the high-pressure oil hole, the front section of a plunger is assembled in a plunger cavity, the rear section of the plunger is sleeved with a plunger spring and connected with a lower spring base which is embedded in a push rod body, an armature is movably installed in an armature hole of an electromagnet in a sleeved mode, the electromagnet is installed in an electromagnet installation hole, one end of a valve element fixedly installed in the armature hole penetrates through the middle connection hole to extend into the low-pressure oil supply cavity and abut against a lift check block, and the lift check block is connected with an oil inlet pipe. An electric control system is communicated with the electromagnet to control the action of the armature and the valve element, an oil supply system of a traditional fuel injection pump is converted into a fuel injection system featured in time, oil supply timing and quantity are controlled and adjusted precisely, the pressure of the end of the pump is high, oil consumption is low, and noise is low.

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 provides a gasoline direct injection (GDI) oil sprayer for utilizing an electromagnetic heating coil for heating and belongs to the technical field of gasoline engine fuel injection systems. According to the GDI oil sprayer, an insulating sheath I, the electromagnetic heating coil and an insulating sheath II wrap the outer circle of the lower portion of a lower shell from inside to outside. Insulating gaskets are arranged between the upper end and the lower end of the insulating sheath I and a boss of the lower shell and a bottom end limiting sleeve II respectively, insulating gaskets are arranged between the upper end and the lower end of the electromagnetic heating coil and the boss of the lower shell and the bottom end limiting sleeve II respectively, and insulating gaskets are arranged between the upper end and the lower end of the insulating sheath II and the boss of the lower shell and the bottom end limiting sleeve II respectively. A heating coil wire connected with the electromagnetic heating coil is arranged in the sleeve II. The upper end of the heating coil wire is connected with a wire groove. The electromagnetic heating coil is connected with an inducting heating power source externally arranged through the wire groove. Fuel oil in the oil sprayer can be heated to certain temperature within a short time, the fuel oil spraying effect is good, the spraying effect of a direct injecting gasoline engine in a cylinder is greatly improved, cold-start combustion efficiency is improved, and cold-start tail emission is reduced. The oil sprayer is simple in structure, and it is unnecessary to modify other systems of an internal combustion engine greatly.

The invention aims at providing a variable spay hole type electric control oil sprayer which comprises an electric control actuator part, an oil nozzle and an oil sprayer body, wherein the electric control actuator part and the oil nozzle are mounted at the upper end and the lower end of the oil sprayer body respectively; the oil nozzle comprises a needle valve and a needle valve base; the needle valve is mounted in the needle valve base; an oil containing groove is formed by the needle valve and the needle valve base; main oil spray holes and auxiliary oil spray holes are formed at the lower end part of the needle valve base from the bottom up sequentially; a double sealing surface structure is arranged at the lower end part of the needle valve; a bevelled sealing surface and a cylindrical sealing surface are arranged at the lower end part of the needle valve from the top down sequentially; when the needle valve is positioned at the undermost end of a stroke, the cylindrical sealing surface seals the main oil spray holes, and the bevelled sealing surface seals the auxiliary oil spray holes; and when the needle valve ascends, the auxiliary oil spray holes are communicated with the oil containing groove earlier than the main oil spray holes. The oil sprayer facilitates controlling small oil quantity spray in a multi-spray process, and can allow main spray to be combined with boot type spray, so that an oil spray effect is improved, the power performance and the economical efficiency of an engine are improved, and stricter discharge laws and regulations are met.

A fuel injection control device of an engine is disclosed, that is provided with a fuel injection valve configured to inject a fuel according to a target pulse width into an intake passage, an intake flow rate detection unit arranged to detect a flow rate of an intake air supplied to the engine, an intake pressure detection unit arranged to detect an intake pressure in the intake passage, a fuel pressure detection unit arranged to detect a pressure of a fuel supplied to the fuel injection valve, and a pressure control unit configured to control the fuel pressure according to an engine operation state. The device is further provided with a request pulse width calculation unit configured to calculate a request pulse width on the basis of an intake flow rate detected by the intake flow rate detection unit, a fuel pressure detected by the fuel pressure detection unit, and a differential pressure between the fuel pressure and an intake pressure detected by the intake pressure detection unit, a post-correction request pulse width calculation unit configured to calculate a post-correction request pulse width through correcting the request pulse width according to the differential pressure, when injecting a fuel of which flow rate is lower than a predetermined flow rate; and a target pulse width setting unit configured to set the target pulse width on the basis of the post-correction request pulse width.

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 discloses a multi-functional integral drier. The multi-functional integral drier comprises a heat conducting oil furnace, wherein a heat conduction oil circulating exhaust pipe and a heat conducting oil circulating return pipe are connected to the heat conducting oil furnace, the heat conducting oil circulating exhaust pipe is connected with one end of a first heating pipe, the other end of the first heating pipe is connected with the heat conducting oil circulating return pipe, and the first heating pipe enters an oil groove; the heat conducting oil circulating exhaust pipe is connected with one end of a second heating pipe, the other end of the second heating pipe is connected with the heat conducting oil circulating return pipe, and the second heating pipe enters an oil storage tank; the oil storage tank is connected to a tank body through oil exhaust pipes, and an oil pump is arranged on the oil exhaust pipes which are arranged in the oil groove; the tank body is connected with a high frequency generator. The invention further discloses an implementation method of the multi-functional integral drier. The multi-functional integral drier disclosed by the invention has the characteristics of being simple in structure, low in building cost, high in production efficiency, broad in application scope, good in timber stability, good in use effects and the like.

The invention provides a lubricating mechanism oil nozzle structure, and relates to improvement of the lubricating mechanism oil nozzle structure. The invention provides a lubricating mechanism oil nozzle structure with simple structure, convenient use and good leakproofness. The lubricating mechanism oil nozzle structure comprises a inner oil tube, a metal sleeve, a ceramic tube, a junction plate, a nozzle, an outer shell, a junction surface, a connection block, a contact surface, a sealing surface, a ring groove, a connecting groove, an arc surface and a soft oil sealing sleeve. The lubricating mechanism oil nozzle structure is characterized in that the inner oil tube comprises the ceramic tube, the metal sleeve is arranged outside the ceramic tube, the connection block is arranged above the metal sleeve through the arc surface, and the connection block is arranged inside the connecting groove which has the nozzle; the sealing surface is arranged between the connection block and the connecting groove; the junction plate is arranged outside the metal sleeve, the soft oil sealing sleeve is arranged between the junction plate and the connection block.

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.