17 results about "Fuel filter" patented technology

The application discloses a kind of high-pressure fuel filter prediction model construction method and flow prediction method, including two prediction models, method specifically includes: using computational fluid dynamics method carries out fluid dynamics simulation calculation to high-pressure fuel filter, constructs working condition sample data set;The size of filter hole, quantity, filter working pressure, fuel viscosity and filter pressure drop are used as input variable, and filter flow is used as output variable, two new high-pressure filter general nonlinear flow prediction models are established using artificial neural network and regression prediction method respectively, the flow characteristics of different models of filter in working interval can be accurately predicted using the neural network prediction method proposed in the application at any working condition point, and the error is low;The flow of different models of filter under different conditions can be quickly and accurately obtained, the accuracy meets the engineering needs, while greatly shortening the experimental time and calculation time, saving design cost.

A fire and protection system designed to provide fire protection / heat shielding for fuel filter clear bowls to pass a fire test as required by ABYC standards. The fire and protection system comprises a backplate and a clear fuel filter bowl shield.

A method of installation and kits for replacing a lock ring securing a fuel pump to a gas tank and a kit for replacing a fuel supply system of an automotive vehicle. The kit for replacing the lock ring including a circular body having a plurality through bores and a plurality of self-tapping fasteners. The kit for replacement of a fuel supply line including a fuel filter having circular beads on the inlet and outlet. The kit further including a pair of quick disconnect fittings for engaging the beads of the fuel filter.

This invention discloses a staged fuel supply system and starting method based on natural gas, specifically relating to the field of gas turbine technology. The system includes a fuel supply shut-off valve, a fuel filter, an online fuel composition monitoring unit, a metering system, an electric heater, and parallel standby and main fuel branches. The gas turbine electronic controller calculates the fuel activity coefficient based on the fuel composition and presets the ignition flow rate and heating temperature. The starting method includes dry-running, ignition, acceleration, and target state stages: during the ignition stage, the fuel supply pattern is corrected according to the fuel activity coefficient; during the acceleration stage, the main fuel rate is reduced based on vibration spectrum feedforward control; and a backfire treatment is included. This invention can adapt to fuel composition, actively suppress backfire, and improve ignition reliability, operational safety, and component lifespan.

The utility model discloses a replaceable filter element's fuel filter relates to fuel filter related technical field, including fuel filter casing, the top of fuel filter casing is provided with the limit card shell, the top of limit card shell is provided with the closed top shell, the inside of fuel filter casing is provided with filter core subassembly. That replaceable filter element's fuel filter, filter core inner housing forms a filter's cavity through bottom support plate cooperation filter hole, and fuel is discharged fast, and fuel primary filter core passes through fixed top ring cooperation connection clamping groove and limit support plate quick installation, and it is convenient to primary filter to fuel, and the fuel of primary filtration enters filter paper tube and carries out secondary filtration through the clearance of limit support plate, and it is helpful to improve the effect of fuel filtration, and filter paper tube is fixed in the outside of fixed top ring and limit support plate through connecting sleeve hole, and it is convenient to limit fuel primary filter core and filter paper tube through limit card shell, and it is convenient to flexible dismounting, and it is convenient to replace operation to filter core.

This invention discloses a filter technology, aiming to provide a combined fuel filter and its assembly method. The key technical points include an outer cover, an inner cover connected to the outer cover via a snap-fit ​​structure, and flame-retardant honeycomb filter cotton disposed between the outer and inner covers. The snap-fit ​​structure includes several grooves evenly distributed on the inner sidewall of the outer cover and several sliders evenly distributed on the top outer sidewall of the inner cover and adapted to the grooves. A buckle is provided in the groove near the opening of the outer cover, and a slot matching the buckle is provided on the slider. The top of the slider has a chamfer, with the chamfer's bevel facing the installation direction of the outer cover. The outer and inner covers are snapped together and fixed by the sliding cooperation between the slider and the groove, and the snap-fit ​​between the buckle and the slot. A bracket is provided in the middle of the inner hole of the inner cover, and several uprights are provided on the inner bottom surface of the outer cover. External threads are provided on the bottom outer sidewall of the inner cover. This invention is applicable to the field of filter technology.

The application discloses a circulating filter fuel filter capable of preventing siltation, and relates to the technical field of filtration. The filter fuel filter comprises a cylinder body, a siltation-preventing device arranged in the cylinder body, and an oil inlet assembly fixedly connected to the top of the siltation-preventing device. The siltation-preventing device comprises a cleaning assembly, a filtering assembly and a sedimentation assembly. The compression assembly and the cleaning assembly work cooperatively. When the handle is pulled, the movable frame drives the moving rod and the compression plate to move, the second tension spring is stretched, the compression plate compresses the impurities in the collecting box during the movement, the moving ring of the cleaning assembly moves under the action of the guide rod and the first tension spring, the second telescopic rod makes the cleaning block contact and move on the inner wall of the filtering assembly under the action of the thrust spring, the inner wall of the filtering assembly is cleaned, the impurities are prevented from siltation, the one-way valve pipe structure ensures the one-way flow of the fuel, and the impurities are prevented from being redistributed and silted again.

The utility model belongs to the internal combustion locomotive fuel filter technical field, concretely relates to a kind of internal combustion locomotive fuel filter mechanism, comprising: be located in the shell for load protection shell, the shell cover of being sleeved in shell opening, the oil inlet of being arranged in the annular array distribution of shell cover surface, connect in the outer sealing ring for fixed shell cover in shell end part, filter cartridge being located in shell interior, filter paper core being connected in the outer surface of filter cartridge, check valve being connected in the inner wall of shell cover and with filter cartridge sealed abutment, alloy spring being connected in the inner wall of shell and with filter cartridge abutment and safety valve assembly being connected in the inner wall of filter cartridge and with shell inner wall be connected.The utility model, when cover is extruded, can compress spring strip, when cover moves to the outside of second sealing ring, fuel can enter the inside of filter cartridge through the filter hole of cover surface at this time, to accelerate the flow of fuel, to filter large particle impurities when oil pressure exceeds threshold value and leaks.

The utility model relates to the field of tractor oil filter protection, specifically, an oil filter protection device and tractor for protecting the fuel filter assembly on the tractor, which comprises an oil filter protection support, is used for fixed installation on the engine body of the tractor, and the oil filter protection support surrounds the outside of the fuel filter assembly, and is used for periphery protection of the fuel filter. It can surround the fuel filter assembly of the tractor and improve the protection effect.

The engine device according to the present application includes a cylinder head and a fuel filter installed at a corner portion of the cylinder head.

This utility model discloses a structure that utilizes the waste heat of generator exhaust to heat the oil filter intake. The generator's main body houses an engine unit and a control box. The engine unit includes a fuel filter and an oil filter, connected to an exhaust manifold. A drain pipe is installed on the exhaust manifold, with its inlet and outlet ends spaced apart and both connected to the interior of the exhaust manifold to form a branch structure. The drain pipe extends to the fuel filter and oil filter, respectively contacting their surfaces to form a heat exchange structure. This allows the exhaust gas to preheat fuel and oil, eliminating the need for additional preheating plugs or heaters, reducing component costs, and fully utilizing the high temperature of the exhaust gas to save energy required for preheating.

The utility model relates to fuel filter production technical field, concretely relates to an oil pipe correcting device, including pedestal, be equipped with base and mounting bracket on the pedestal, be equipped with lower correction ring in the base, be equipped with cylinder on the mounting bracket, the output of cylinder is equipped with connecting plate, the bottom end of connecting plate is equipped with upper correction ring, the position of upper correction ring is opposite lower correction ring below, the utility model relates to an oil pipe correcting device carries out the correction to the oil inlet pipe and oil outlet pipe of filter, and the inclined oil inlet pipe or oil outlet pipe is righted. Do not need staff visual inspection and manual righting, and the correction effect is higher, and more accurate, and rust -proof oil is coated to filter shell end face at the same time to filter correction, collect filter oil pipe correction and shell rust -proof oil and integrate, save process operation process, improve work efficiency.

The application relates to the technical field of fuel filters, and discloses a new energy automobile fuel filter element with a detection function and a filter thereof, wherein the filter element comprises a first filter assembly, an upper end ring and a lower end ring arranged at two ends of the first filter assembly respectively, the first filter assembly is in a cylindrical shape and is connected at the head and tail of the side part, an oil inlet is arranged in the middle of the upper end ring, fuel enters the inside of the first filter assembly from the oil inlet and is discharged after being filtered by the first filter assembly, a detection port is arranged in the middle of the lower end ring, and a filter paper detection mechanism for detecting whether the first filter assembly is blocked is further arranged; the filter element and the filter have the detection function, can monitor the blockage condition of the filter paper in the filter, can timely feed back the filter paper use condition to a control center, and are favorable for improving the driving feeling and the driving safety of drivers.

The utility model provides a kind of fuel filter with self exhaust structure, it is related to filter technical field.This kind of fuel filter with self exhaust structure, including filter body, the outer wall of filter body is welded with mounting bracket, the bottom of mounting bracket is fixedly connected with electric motor, the output shaft of electric motor passes through mounting bracket bottom and is welded with lead screw, the outer wall of lead screw is connected with screw nut, screw nut is welded in the inside of fixed block one, the end of fixed block one is welded with wear-resistant steel cover, wear-resistant steel cover is welded with fixed block two in the side wall away from fixed block one, the inside of fixed block two is equipped with inner hole, the inside of inner hole is slidably connected with slide bar.The utility model through operating electric motor, wear-resistant steel cover can be lowered to the top of filter body, so that exhaust assembly and adsorption filter assembly can be covered, reach the effect of protecting exhaust assembly and adsorption filter assembly, so it can effectively prevent mutual collision between components and damage exhaust device.

This application provides an asparagus height measuring device, belonging to the technical field of asparagus height measurement. It includes: a measuring rod; a base located below the measuring rod; a sliding block sleeved around the measuring rod, with grooves on both sides of the inner wall of the sliding block; two one-way wheels, each disposed within a groove; a concave plate fixed to the right end of the sliding block; two arc-shaped clamping plates symmetrically distributed within the concave plates; two spring telescopic rods connected to the outer side of the arc-shaped clamping plates, with the ends of the spring telescopic rods fixed to the inner sidewall of the concave plates; and a sponge pad connected to the inner wall of the arc-shaped clamping plates. This application facilitates the filling of the fuel supply pipe with oil without gas, reducing the time required, improving the evacuation efficiency of the fuel supply pipe, ensuring a negative pressure suction effect, preventing damage to the fuel filter, and significantly increasing engine starting speed, effectively avoiding problems such as engine starting difficulties and engine damage.

The application discloses a fuel filter filter material and a preparation method and application thereof, and relates to the technical field of composite filter materials.The fuel filter filter material comprises a first filter layer, a second filter layer and a third filter layer which are sequentially stacked, wherein raw material components of the first filter layer comprise polybutylene terephthalate and a conductive agent; raw material components of the second filter layer comprise glass fiber, polybutylene terephthalate fiber, conductive fiber and auxiliary fiber; and raw material components of the third filter layer comprise polybutylene terephthalate and an antibacterial agent.The fuel filter filter material provided by the application can solve the technical problems of poor acid corrosion resistance, low oil-water separation efficiency, insufficient filtration precision, easy static electricity accumulation, easy breeding of microorganisms and short service life of the filter material for biodiesel in the prior art.