157 results about "Fuel filter" patented technology

A fuel filtering system comprising a fuel filter having an input, an output and a washing path. The fuel filter may be cylindrical in shape. The system further comprising a bypass valve having an input from the washing path, and a drain, wherein when the cylindrical fuel filter has a pressure drop from the input to the output, the bypass valve opens to permit cleaning of the filter by allowing fuel to flow from the washing path to the drain. The bypass valve comprises a spool, a valve seat and a spring that has a spring rate (Sk). The output is may be provide through an input to the bypass valve, behind the spool.

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.

The utility model discloses a novel base structure of an aluminum cover plate of a fuel filter, and relates to the technical field of fuel filters. The cover plate comprises a cover plate body, an oil inlet pipe and a sealing assembly, the oil inlet pipe is fixed to the center of the top end of the cover plate body, a plurality of outer sealing grooves are formed in the upper portion of the peripheral side of the oil inlet pipe, a plurality of inner sealing grooves are formed in the upper portion of the inner wall of the oil inlet pipe, and sealing rings are fixed in the outer sealing grooves and the inner sealing grooves. A sealing assembly is fixed to the inner top of the cover plate body. By arranging the cover plate main body, the oil inlet pipe and the sealing assembly, the problems that the aluminum cover plate base structure of the fuel filter needs to be matched with an additional sealing structure for installing a connector of an oil conveying pipeline, installation is not convenient enough, and the aluminum cover plate base structure can be loosened due to vibration along with work are solved; the aluminum cover plate base structure has the advantages that the aluminum cover plate base structure of the fuel filter is provided with a connector of an oil conveying pipeline, sealing is more convenient, and the aluminum cover plate base structure cannot loosen due to vibration.

1. Name of the designed product: mounting bracket (for mine wide-body dump truck). 2. Use of the designed product: used for assembling primary and secondary fuel filters and fuel electrically controlled reversing valve. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The utility model relates to a fuel filter, which belongs to the technical field of fuel filtration and comprises a filter tank, a filter cooling mechanism is arranged in the filter tank and comprises a feed pipe fixedly mounted at the top of the filter tank, and a flow guide seat is fixedly mounted at the bottom of the filter tank. And a fixed plate is fixedly mounted in the filter box. According to the fuel oil filtering machine, fuel oil is fed into the filtering box through the feeding pipe, then the fuel oil is preliminarily filtered through the filtering plate, the fuel oil is extracted through the liquid extraction pump, and the fuel oil is fed into the left side of the partition plate through the circulating pipe, so that the fuel oil is fed into the filtering and permeating layer through the circulating pipe, and the fuel oil is filtered and purified again through the filtering and permeating layer; and finally, the fuel oil can be fed into the cooling pipe, the fuel oil in the cooling pipe can be rapidly cooled through cooling liquid in the cooling box, after the fuel oil is filtered and cooled, the filtering box can be opened, garbage impurities in the filtering box can be taken out, and recycling is convenient.

The utility model discloses a protective fuel filter, which relates to the technical field of fuel filters, and comprises a filter, the outer wall of the filter is sleeved with a clamp piece, one end of the clamp piece is provided with a first screw in a penetrating manner, and the outer walls of the two ends, penetrating through the clamp piece, of the first screw are in threaded connection with first nuts. The filter is installed on a vehicle through matched use of the clamp piece, the back-mounted piece, the first screw rod and the first nut, and the clamp piece is modified, so that the clamp piece can be assembled by matching the second screw rod and the second nut with the through cavities in the two inner receiving pieces; by means of the structure, the aluminum outer cover at one end of the inner receiving piece can achieve the sleeving protection effect on the outer wall, except for the position of the clamping piece, of the filter, the problem that the filter is scratched and broken due to the fact that outside sundries are splashed in the vehicle running process is solved, the protection effect is effectively achieved, and the filter is convenient and fast to install and capable of being repeatedly used.

The utility model discloses an all-plastic visible fuel filter, and mainly relates to the field of filters. Comprising a seat body and a shell which are of a full-plastic assembly, one end of the shell is of a closed structure and forms a precipitation cavity, the other end of the shell is fixedly matched with the seat body, the shell is a full-transparent assembly, a filter material is arranged in the shell, a mounting table used for fixing a filter is arranged on the seat body, and the filter is arranged on the mounting table. A mounting hole position penetrating through the mounting table is formed in the mounting table, a metal supporting piece corresponding to the mounting hole position is inserted into the mounting hole position, first weight reduction grooves are formed in the two sides of the mounting table, a second weight reduction groove is formed in the bottom face of the mounting table, and the first weight reduction grooves and the second weight reduction groove are arranged in a staggered mode in the horizontal direction. The beneficial effects of the utility model are that: it is clear at a glance to the inside filter material condition, the ponding condition and the impurity condition, realizes the characteristics of visualization, difficult corrosion, light weight.

The utility model discloses a forklift fuel oil system suitable for a severe cold environment, which comprises a power component, and the power component generates heat during operation; the heating assembly is arranged in the power assembly, and the power assembly and the heating assembly form a circulating water path; the fuel oil filtering assembly is arranged in the power assembly, the heating assembly is arranged on the periphery of the fuel oil filtering assembly, and water flow for cooling the power assembly enters the heating assembly through the water path so as to form a temperature rising area on the periphery of the fuel oil filtering assembly. According to the utility model, the power assembly capable of actively generating heat and the heating assembly form the circulating water path, and the circulating water path can transfer waste heat generated by the power assembly to the fuel oil filtering assembly, so that the temperature of the working environment is improved; therefore, the filtering effect of the fuel filter in a severe cold environment can be improved under the condition of no extra fuel loss, and the output power efficiency of fuel is improved.

Oil or fuel filter device (10) for filtering fuel or oil of an internal combustion engine, comprising a connecting device (14) for connecting a functional component (12) to a filter housing (16), wherein the connecting device (14) comprises: - a guide section (18) of the functional component (12); - a guide section counterpart (20) of the filter housing (16) which can be joined with the guide section (18) in such a way that the guide section (18) is rotatable about an axis of rotation (28) relative to the guide section counterpart (20), wherein the guide section (18) is fixed radially to the axis of rotation (28) relative to the guide section counterpart (20); - a holding device (40) which has corresponding holding components (42, 44, 46) on the functional component (12) and on the filter housing (16) and which can be activated and deactivated by rotating the guide section (18) relative to the guide section counterpart (20) about the axis of rotation (28) and which, in the activated state, fixes the guide section (18) axially to the axis of rotation (28) relative to the guide section counterpart (20); - a snap-action device (50) which has corresponding snap-action components (52, 54) on the functional component (12) and on the filter housing (16) and which can be activated by rotating the guide section (18) about the axis of rotation (28) relative to the guide section counterpart (20) and which, in the activated state, fixes the guide section (18) circumferentially with respect to the axis of rotation (28) relative to the guide section counterpart (20), wherein the holding device (40) and the snap-action device (50) are activated or deactivated in the same rotational positions of the guide section (18) relative to the guide section counterpart (20), wherein the functional component (12) is a sensor, characterized in that the holding device (40) has at least one holding wing (42) extending radially and partially circumferentially with respect to the axis of rotation (28) and at least one holding hook (44, 46),which, in the activated state of the holding device (40), engages the holding wing (42) and fixes it axially to the axis of rotation (28), wherein the holding wing (42) can be rotated in and out of the holding area of ​​the holding hook (44, 46) by rotating the guide section (18) relative to the guide section counterpart (20), wherein the holding wing (42) is arranged on the functional component (12) and the holding hook (44, 46) is arranged on the filter housing (16).

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.

The utility model discloses a fuel filter assembly, and relates to the technical field of motor vehicles. The device comprises a main body assembly and a fixing assembly, the main body assembly comprises a filter cartridge and a filter element, the filter element is fixedly connected with the filter cartridge through the fixing assembly, the bottom end of the filter cartridge is communicated with an output pipe, and the top end of the filter element is provided with an oil pump plug and an oil pipe; the fixing assembly comprises an embedding groove formed in the top end of the filter cylinder, an embedding piece matched with the embedding groove is further fixed to the top end of the peripheral side of the filter element, and an inner groove is further formed in the top end of the filter cylinder. Through the arrangement of the fixing assembly, when the filter element is installed, the embedding piece is aligned with the embedding groove to be inserted into the embedding groove, and the arc surface of the embedding piece extrudes the limiting piece, so that the elastic piece is elastically deformed; after the embedding piece is completely inserted, the elastic piece is reset to drive the limiting piece to clamp the outer side of the embedding piece, so that the radial fixation of the filter element is realized, and the problems that the filter element and the filter cartridge are mostly connected through bolts and the mounting and the dismounting are relatively complicated in the existing scheme are solved.

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.

The fuel filter comprises a top cover and a tank body, the top cover is connected to the top of the tank body in a threaded mode, a fixing frame is fixedly connected to the position, close to the bottom, in the tank body, a second installation groove is formed in the top of the fixing frame, and a first installation groove is formed in the position, located in the center, of the bottom of the top cover. A first mounting groove and a second mounting groove are formed in the tank body, a filter element is mounted between the first mounting groove and the second mounting groove, the filter element is clamped by the top cover and the fixing frame, a scraping assembly for cleaning the inner wall of the tank body is arranged in the tank body, an oil inlet is integrally formed in the top of the top cover, and the oil inlet is communicated with the first mounting groove. According to the fuel oil filter, the filter element can be conveniently and independently replaced, resource waste is reduced, cost is saved, the recycling rate of the fuel oil filter is improved, dirt adhering to the inner wall of the tank body can be scraped and cleaned, and therefore the dirt adhering to the inner wall of the tank body can be reduced, and the service life of the filter element is prolonged.

In an electromagnetic fuel injection valve (I), when a fuel filter (20) and an orifice member (21) are press-fitted onto an inner peripheral surface of the fuel inlet cylinder part (7), interference between press-fit tolerances of the fuel filter (20) and the orifice member (21) is prevented, and reliable press-fitting fixation is ensured. A first press-fitted cylindrical surface (23) onto which the fuel filter (20) is press-fitted, and a second press-fitted cylindrical surface (24) contiguous with an outer end of the first press-fitted cylindrical surface (23) via a stepped part (25) and having a larger diameter than that of the first press-fitted cylindrical surface (23) and onto which the orifice member (21) is press-fitted are formed on the inner peripheral surface of the fuel inlet cylinder part (7).

A fuel filter for a fuel system of an internal combustion engine, preferably for filtering fuel of the diesel type. A fuel filter extends along a filter axis, comprising: a filter medium having a substantially tubular shape through which a fuel can pass in a radial direction when filtered to filter out unwanted components in the fuel and separate the fuel from water; a filter housing comprising a filter chamber adapted to receive a filter medium wherein the filter housing comprises a bottom shell and a top shell, the bottom shell and top shell comprising respective cylindrical sidewalls. The top shell includes: a central opening defined by an opening edge; a planar top wall extending substantially orthogonal to the filter axis starting from the opening edge; and a connecting portion extending between the planar top wall and the cylindrical side wall. The connecting portion includes at least one planar connecting wall. The fuel filter and particularly the top shell are suitable for bearing high pressure, and the fuel filter is a simple component with low production cost.

The invention relates to the technical field of motorcycles, and discloses a modular integrated motorcycle fuel supply system which comprises a fuel tank, a pump body is arranged in the fuel tank, a fuel filter, a fuel pump and a fuel injector are arranged at the bottom of the fuel tank, and the fuel filter, the fuel pump and the fuel injector are all arranged in a motorcycle shell. A fixing mechanism is arranged outside the fuel filter, fuel inlets and fuel outlets of the pump body, the fuel filter, the fuel pump and the fuel injector are fixedly connected with quick-release heads, oil pipes are sequentially arranged between the quick-release heads, and clamping heads are fixedly connected to the two ends of each oil pipe. Clamping force is continuously provided for the first S-shaped clamping plate and the second S-shaped clamping plate through the second spring, the fuel filter can be automatically and firmly fixed in a motorcycle shell, bumping and vibration in the running process are effectively absorbed, the stability of the fuel filter is guaranteed, meanwhile, the opening of the fuel filter is of an outwards-expanded pincerlike structure, and therefore the fuel filter is more stable. And during disassembly, the filter can be taken out only by opening the clamping plates outwards.

Device (50) and method for controlling a fuel filter heating device (80) of a vehicle, wherein the device (50) comprises: a processor (100), an input unit (200) connected to the processor (100), wherein the input unit (200) is configured to receive vehicle-related information (CD), and a memory (300) connected to the processor (100) which is configured to store setting data (SD).The processor (100) comprises: a first control unit (110) configured to determine a heater-on condition based on vehicle-related information (CD) and setting data (SD) stored in memory (300) and to control a switch-on operation for a fuel filter heater (80) of a diesel vehicle when the heater-on condition is met; and a second control unit (120) configured to determine a heater-off condition based on vehicle-related information (CD) entered via the input unit (200) and setting data (SD) set taking into account a cloud point (CP) of diesel fuel and stored in memory (300), and to control a switch-off operation for the fuel filter heater (80) when the heater-off condition is met.

The utility model discloses a combined filter element gasoline filter which comprises an outer pipe, the upper end and the lower end of the outer pipe are respectively provided with a top cover and a bottom box, the inner side wall of the bottom end of the outer pipe and the outer side wall of the top end of the bottom box are respectively provided with a connecting side wall, the connecting side walls are mutually meshed and fixed through thread structures, and a mounting plate is fixed in the inner side wall of the bottom box. A spring is fixed in the middle of the top end of the mounting plate, a positioning frame is fixed in the middle of the outer pipe, the positioning frame is of a hollow cavity structure without a surface at the top end, an internal filter element structure can filter and distribute liquid entering the cavity from a bottom oil inlet, and the liquid entering a filter element can flow out from an oil outlet pipe; when the device is used, the detachable function between the outer pipe and the bottom box is convenient for a user to check and replace the gasoline filter after a certain time, and the threaded connection mode is adopted, so that the field operation and use are convenient, and the functional requirements are met.

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.

The application discloses an aero-engine test bench external fuel system, and belongs to the technical field of aero-engine testing. The aero-engine test bench external fuel system comprises a fuel control mechanism and an accessory integrated mechanism. The fuel control mechanism comprises a float tank, the float tank is communicated with the accessory integrated mechanism through an oil outlet pipe, an oil inlet control valve group is arranged on an oil inlet pipe, and a first fuel supply pump and an oil outlet control valve group are arranged on the oil outlet pipe. The accessory integrated mechanism comprises an accessory trolley, and a fuel filter, a fuel regulating valve and a second fuel supply pump are integrally arranged on the accessory trolley. An engine is connected with the fuel regulating valve through an engine oil return pipe, and the regulating valve is connected with the float tank through a system oil return pipe, so that the oil return of the engine is finally returned to the float tank. The application provides fuel for engine testing through a fuel control system, and simulates the running environment of the engine on an airplane through the accessory integrated mechanism.

The invention relates to the technical field of new materials, and discloses thiophene polyamide and a preparation method thereof, a nanofiber membrane and a preparation method and application of the nanofiber membrane, and the thiophene polyamide contains a structural unit shown in the formula (I); wherein X and Y are respectively and independently selected from hydrogen, alkyl, halogen, amino and amino derivatives. The nanofiber membrane prepared by taking the thiophene polyamide as a raw material has the characteristics of high mechanical strength, high heat resistance, high hydrophobicity and antibacterial property, can be used for a long time under a high-temperature working condition, and has a wide application prospect in the fields of water treatment, automobile fuel filter screens, new energy batteries, automobile air conditioner filter screens, medical protective articles and the like.

A fuel filter 1 comprising: a housing 3 for a filter element 2, a fuel inlet 6 and outlet 7, an air bleed valve 30 for venting air from the housing, and a drain valve 50 for draining water from the ho

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 invention relates to a liquid filter (6, 12), preferably a fuel filter, for a vehicle, the filter comprising a filter head (36) delimiting an inlet port (19) and an outlet port (21), a filter housing (30) screwed below the filter head (36) and housing a filter element (32) centered on a central axis (X38), said filter element comprising a filter medium (38), a top end plate (42) and a bottom end plate (40). The filter housing (30) delimits a first space for housing a flow of liquid to be filtered, said first space being delimited radially around the filter medium (38) and communicating with the inlet port (19), and a second space for housing a flow of filtered liquid, said second space being delimited radially inside the filter medium (38) and communicating with the outlet port (21). The filter head (36) comprises an anti-leakage valve (50) comprising a closing element (52) movable between a closed position in which it closes the inlet port (19) and an open position in which liquid can flow through the inlet port (19), and a pin (54) fitted on the filter element (32) and configured to penetrate into the inlet port (19) in order to move the closing element (52) from the closed position to the open position.

The present invention relates to a fuel filter (1), preferably for diesel, for a fuel supply system of an internal combustion engine. The fuel filter (1) extends along a filter axis (XX), comprising: – a filter medium (2), substantially tubular in shape, through which the fuel can pass radially during filtration in order to remove undesirable elements and separate it from water; – a filter housing (3) comprising a filtration chamber (30) adapted to contain the filter medium (2), in which the filter housing (3) comprises a base housing (4) and a head housing (5) comprising respective cylindrical side walls (41, 51).The head housing (5) includes a central opening (50) delimited by an opening edge (500), a flat head wall (53) extending substantially perpendicularly to the filter axis (XX) from the opening edge (500), and a junction segment (52) extending between the flat head wall (53) and the cylindrical side wall (51). Said junction segment (52) includes at least one flat junction wall (520). [Fig. 1].

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.

The utility model provides an improved fuel oil evaporation structure which comprises a main oil tank, an auxiliary oil tank, a motorcycle frame body, an activated carbon tank, a fuel oil filter and a carbon tank electromagnetic valve and further comprises a dumping valve, a first evaporation oil pipe, a second evaporation oil pipe, a third evaporation oil pipe and a fourth evaporation oil pipe. According to the fuel oil evaporation structure, the arrangement of the fuel oil evaporation structure is optimized, a fuel oil pipeline is shortened, wiring in the middle of the pipeline is reduced, and therefore the flowing resistance of fuel oil flowing is reduced, and the fuel oil evaporation structure has the advantages of being energy-saving, environment-friendly, energy-saving, environment-friendly, energy-saving, environment-friendly, energy-saving, environment-friendly, energy-saving, environment-friendly, energy-saving and environment-friendly. Moreover, as the connection points of the pipelines are reduced, the leakage of fuel steam is reduced, the pipelines are reduced, the material cost in production is reduced, and the later maintenance cost is also reduced; meanwhile, the utilization rate of the space in the vehicle is higher.

The application provides a sealing detection device for fuel filters of a spin-on machine, comprising a detection pool, the detection pool is open at the top and sealed at the bottom, a plurality of installation discs are arranged in a matrix at the bottom of the detection pool, and a driving mechanism for driving the installation discs to rotate is arranged at the bottom of the installation discs. The installation discs are rotated to drive all the filters fixed in the positioning ports to rotate downward and be screwed on the top of the installation discs, so that the filters can be screwed at one time, the screwing efficiency is high, the sealing effect of the filters and the installation discs is better than that of manual screwing, the detection efficiency of the filters can be effectively improved, after detection, the installation discs are reversely rotated to make the detected filters move upward synchronously with the movable plate, the filters are unscrewed from the installation discs, then the detected filters can be taken off through the handles on the movable plate, so that the filters do not need to be unscrewed one by one, and the detection efficiency can be further improved.