71results about "Carburettors" patented technology

The present invention generally relates to a method and device that enhances fuel atomization in a carburetor or a similar apparatus. Specifically, it introduces a unidirectional fuel nozzle that is designed to improve the atomization of fuel injected into the fuel-air mixing chamber of a combustion engine. The fuel nozzle comprises a cylindrical body with a plurality of perforations on one half and a plurality of dimples on the outer surface of the other half. Each dimple is designed with an air turbulator, which creates turbulence on the surface of the fuel nozzle in response to the air pressure, delaying the separation of the air from the surface of the fuel nozzle. As a result, fuel droplets break down further, improving fuel atomization. This enhances the combustion efficiency of the engine by allowing the fuel to mix with air more effectively.

The utility model relates to a carburetor capable of improving starting effect, which comprises a carburetor body, a diaphragm pump is arranged on the outer side portion of the carburetor body, an upper oil port is arranged on the diaphragm pump, an oil inlet hole channel communicated with the upper oil port is arranged on the carburetor body, and the oil inlet hole channel is communicated with an oil cavity in the diaphragm pump. A manual oil recharging pump is arranged on the outer side portion of the carburetor body, an oil inlet of the manual oil recharging pump is communicated with the oil inlet hole channel, and an oil outlet of the manual oil recharging pump is communicated with an oil cavity in the diaphragm pump. The carburetor with the improved starting effect is novel in structure and reasonable in design, on the basis of an original diaphragm pump, the manual oil supplementing pump is connected in parallel, when an engine is started, the oiling speed can be increased by rapidly pressing the manual oil supplementing pump, the starting speed of the engine is greatly increased, and the starting effect is good.

The invention provides a general gasoline engine carburetor with an intelligent mixing ratio control function, and relates to the technical field of general gasoline engine carburetors. An air disturbance compensation mechanism is arranged in an air inlet channel of the carburetor, and the initial frequency and amplitude of air disturbance are determined by detecting an instantaneous negative pressure signal of the air inlet channel; a reference aerodynamic disturbance model is established according to the current rotating speed of an engine, gas pressure signals are collected in real time through differential pressure sensors arranged on the upstream portion and the downstream portion of an air inlet channel, and the instantaneous gas density change rate is calculated so that the concentration trend of mixed gas can be obtained. The problem that dynamic response of the mixing ratio of an existing carburetor is lagged is effectively solved, when the acceleration of a throttle valve exceeds a threshold value, the system immediately triggers fuel oil to compensate in advance, the angle of a spoiler is adjusted in real time along with the rotating speed, atomization uniformity is remarkably improved, the phenomena of acceleration power interruption and tempering are avoided, and stable combustion and transient response under all working conditions are achieved.

A handheld power tool (1) is disclosed comprising an actuator mechanism (4) which comprises a first mechanism member (11) comprising a button unit (5) and a guide unit (7), and a second mechanism member (12) attached to a tool body (3). The first mechanism member (11) is pivotally attached to the second mechanism member (12) between a deactivating position and an activating position. The first and second mechanism members (11, 12) form a locking mechanism (6) configured to allow the first mechanism member (11) to pivot from the deactivating position to the activating position when the button unit (5) is in an unlocking position. The button unit (5) is slidably arranged relative to the guide unit (7) from a locking position towards the unlocking position in a first direction (d1) pointing towards the tool body (3).

The carburetor with the oil needle easy to adjust comprises a shell, an oil needle body is arranged in the shell, eight end heads are sequentially arranged at one end of the oil needle body, a connecting hole is formed in one side of each end head, a sleeve block is fixedly connected to the side, away from the connecting hole, of each end head, and the oil needle body is arranged in the sleeve block. The tail end of the oil needle is composed of a plurality of end blocks which are mutually combined in a threaded mode, a gasket is arranged on the surface of one sleeve block in a sleeved mode, a connector matched with the connecting hole is fixedly connected to one side of the sleeve block, a clamping groove is formed in the top of the sleeve block, and a buckle assembly is arranged on the top of the inner side of the gasket. When the oil needle is adjusted, only the end block at the position corresponding to the gasket needs to be detached, the gasket can fall off, the gasket is taken down to be clamped to the end block at the set position, and the end block is tightened and fixed, so that the adjustment work of the oil needle is rapidly completed, the adjustment efficiency of the oil needle is improved, and convenience is provided for work and use of a user.

The invention relates to a method for producing a fluid circuit (1) comprising at least one tube (2, 20), the tube having a free end (3, 30) for attachment of a pipe, in particular a deformable pipe, the method comprising a preliminary step of producing and supplying at least one tube (2, 20), a step of selecting the predetermined design standard to be applied in order to define a fitting distance (C) between the free end (3, 30) of the tube (2, 20) and an axial stop means (4), and a step of forming said axial stop means (4) relative to the at least one tube (2, 20) such that one of the transverse edges (41) of said axial stop means (4) is positioned at the distance (C) from the free end (3, 30) of the tube.

A fuel bowl system for a carburetor has a fuel bowl with a cavity configured to receive and store liquid fuel prior to delivery to the carburetor. The fuel bowl has a main structure extending from an outer surface of the fuel bowl. The main structure has an inlet for receiving liquid fuel from a fuel source and discharge passages in fluid communication with the inlet and the cavity. A cap is removably connected to the main structure. The main structure and the cap together define fuel delivery channels in fluid communication with the inlet and the discharge passages. The inlet directs liquid fuel received from the fuel source into the fuel delivery channels, the fuel delivery channels deliver the liquid fuel into the discharge passages, and the discharge passages discharge the liquid fuel into the cavity of the fuel bowl.

An engine control device that regulates fuel to be supplied to an engine including: a starting fuel supply valve that supplies starting fuel to air to the engine or to an air-fuel mixture of air and fuel in starting the engine; an engine temperature detection unit that detects an engine temperature of the engine; an engine speed detection unit that detects the engine speed of the engine; and a control unit that controls the starting fuel supply valve to open and close to control the engine, in which the control unit controls an opening time of the starting fuel supply valve according to the engine temperature and the engine speed.

The invention discloses a diesel gasification device and a cyclic quantitative control method. The controller firstly preheats the heating piece and then controls the air inlet valve to be opened, so that air enters the mixing cavity through the air inlet pipe and the heating net, and the pressure in the cavity is adjusted to a preset pressure threshold upper limit Ptar1; the controller calculates the target fuel injection quantity of the liquid fuel injector according to the air state in the mixing cavity and the target equivalence ratio and controls the liquid fuel injector to complete fuel injection; the controller controls an oil and gas injection valve to be opened, an oil and gas mixture is injected till the lower limit Ptar2 of a preset pressure threshold value is reached, and after injection is finished, the controller calculates the residual air amount and the residual fuel oil amount in a mixing cavity based on the pressure, temperature and oxygen concentration detection signals after injection; and the controller opens the air inlet valve to supplement air to the mixing cavity until the pressure in the cavity reaches the pressure threshold upper limit Ptar1, then the air inlet valve is closed, the air supplement amount is determined according to the pressure difference before and after air supplement, and the needed oil supplement amount is calculated in combination with the target equivalence ratio. According to the invention, spray crushing and atomization are realized no longer depending on ultrahigh injection pressure.

A thermal choke, includes (1) a body, comprising a heat conductive material, (2) an electric heater, on or in the body, (3) a temperature sensor, on or in the body, and (4) a fin, in a channel surrounded by the body. The thermal choke is configured to fit between a throttle assembly and a cylinder of a spark ignition engine.

The present invention relates to the field of engines. Disclosed is a shaft-track valve distribution and supercharging system for an annular opposed-piston engine. The opposed engine comprises a piston cylinder and a power transmission shaft. The shaft-track valve distribution and supercharging system comprises an output shaft housing, wherein a first high-temperature partition plate, a gas exhaust fan wheel, an intake fan wheel, an airflow supercharging vortex component, a second high-temperature partition plate and a power output gear are sequentially provided inside the output shaft housing from one end to the other end; an exhaust gas outlet and a gas inlet are provided between a piston cavity and the output shaft housing; the output shaft housing is provided with a carburetor; exhaust gas blown into the output shaft housing through the exhaust gas outlet drives the gas exhaust fan wheel to rotate, and the gas exhaust fan wheel drives the intake fan wheel to rotate; a throttle valve of the carburetor is opened, so that fresh air is suctioned into the output shaft housing; and a fuel injector of the carburetor sprays oil mist, which mixes with the fresh air, and the mixture is compressed in an airflow supercharging cavity and then enters the piston cavity through the gas inlet. In the present invention, the exhaust gas discharged from the piston cavity is utilized to undertake work, so that the fresh air and the oil mist are mixed and pressurized into the piston cylinder, thereby effectively improving engine power and reducing fuel consumption.

To enable reception of an electric signal or the like between an internal part and an external part of an air tight container while maintaining air tight of an air tight container with a simple construction.SOLUTION: An airtight connection assembly comprises: a conductive member constructing a path of a signal or fluid; a sealing part that contains a first sealing part having a shape that can cover a first hole formed in a separation wall of an air tight container, and a sealing material; and a connection part containing a connector connected to one or both end parts of the conductive member. In the airtight connection assembly, a second hole as a penetration hole formed so as to communicate the internal part with the external part of the air tight container is formed in the first sealing member. The conductive member is individually inserted into a second hole. The sealing material is filled to the conductive member and an inner peripheral surface of the second hole. By coupling the connector and the first sealing part, a coupling member for fixing a position relation of the connector and the first sealing part may be further comprised, and a second sealing member that surrounds a first hole, and is interposed to between the interference wall and the first sealing part may be further comprised.SELECTED DRAWING: Figure 14

A simple engine, comprises (1) a cylinder and a spark plug in the cylinder; (2) a carburetor, fluidly connected to the cylinder; (3) a primary air intake path, fluidly connecting atmosphere to the carburetor; (4) a carburetor bypass air intake path, fluidly connecting air to the cylinder without passing through the carburetor; and (5) a valve, along the carburetor bypass air intake path, for controlling the flow of air through the carburetor bypass air intake path.

This invention relates to the field of generator carburetor technology, and more particularly to a portable generator carburetor for automotive air conditioning backup. The technical solution includes a carburetor body and a fuel injection port disposed thereon, and further includes: a connector installed at one end of the fuel injection port, the connector having a pair of first mounting holes, with mounting rods movably connected inside the first mounting holes, and an arc-shaped sleeve fixedly connected to the outer wall of the fuel injection port. This invention, through the design of a clamping mechanism, an arc-shaped sleeve, a support frame, and an arc-shaped rotating rod, allows the pair of first mounting holes on the connector to engage with a pair of mounting rods. Rotating the handle to drive the auger completes the installation of the carburetor, and rotating it in the opposite direction completes the disassembly. Disassembling the carburetor without tools saves time and steps in finding appropriate tools, simplifying the disassembly process and making it more convenient and faster.

The chain saw comprises a fuel tank, a handle, a first filter, a carburetor and a vacuum pipe, the fuel tank is used for storing fuel, the handle is provided with a containing space, a first oil inlet pipe is arranged in the containing space, the first filter is arranged in the fuel tank and connected with the first end of the first oil inlet pipe, and the carburetor is connected with the carburetor. The carburetor is connected with the second end of the first oil inlet pipe and used for atomizing fuel oil and mixing the fuel oil with air to form mixed gas, and the vacuum pipe is connected with the carburetor and the engine to convey the mixed gas to the engine. The first oil inlet pipe is arranged in the accommodating space of the handle, and the handle is far away from a high-temperature area of the engine, so that the first oil inlet pipe is basically separated from a waste heat baking range of the engine, the probability of evaporation of fuel oil in the first oil inlet pipe due to high temperature is greatly reduced, and the condition of steam condensation or bubble retention in a pipeline is reduced; fuel oil can flow normally during next starting, oil supply interruption or oil absorption difficulty of the carburetor is avoided, and the possibility that starting fails or a starting rope needs to be pulled many times is reduced.

Provided is an easy engine starting system including: an engine; a centrifugal clutch configured to transmit a driving force of the engine to a driven device; and a control device configured to adjust output of the engine. When the engine is to be started, the engine is accelerated at start engine output which enables the engine to reach a rotation speed higher than a clutch-in rotation speed. The control device has suppression control of suppressing, at the start engine output, the rotation speed to a rotation speed equal to or lower than the clutch-in rotation speed.

The invention discloses a variable frequency generator assembly which comprises a box body, a crankshaft, a power generation mechanism and a speed regulation mechanism. A cavity is formed in the box body; the crankshaft is rotationally arranged in the cavity and is provided with an input end extending out of the cavity and an output end hidden in the cavity; the power generation mechanism comprises a stator and a rotor, the stator is arranged in the box body and arranged around the input end of the crankshaft, and the rotor is fixed to the input end and directly driven by the crankshaft; the speed regulating mechanism comprises a pull rod combination and a carburetor, one end of the pull rod combination is linked with the crankshaft, the other end of the pull rod combination is connected to a throttle valve of the carburetor, and the pull rod combination is used for mechanically regulating the opening degree of the throttle valve according to the rotating speed change of the crankshaft; the rotor and the pull rod combination are arranged at intervals in the height direction of the box body, and an isolation space is formed between the rotor and the pull rod combination. The technical problems of low integration level and reliability, high cost and structure redundancy caused by the loose structure of the generator in the prior art are solved.

The utility model discloses a methanol gasification device of a single-cylinder electronic fuel injection engine, which comprises a methanol supply system, a methanol gasification generator and a methanol steam injection system which are sequentially connected, the methanol supply system comprises a methanol box and a methanol pump, and the methanol gasification generator comprises a gasification box and a heating and preheating assembly. The methanol steam injection system comprises a gas storage tank and an oil nozzle. According to the single-cylinder electronic fuel injection engine, the problems of cold start and combustion are effectively solved, methanol is gasified in advance, so that when the single-cylinder electronic fuel injection engine is started, gasified methanol fuel enters an air cylinder and is more easily mixed with air to form combustible mixed gas, and the cold start performance of the engine is greatly improved.

According to the dual-fuel carburetor with the special fuel gas flow channel, the partition plate is arranged on the throat portion to form the special fuel gas flow channel between the fuel gas nozzle and the fuel oil nozzle, so that the fuel gas nozzle and the fuel oil nozzle are separated from each other, and it is guaranteed that fuel oil or / and fuel gas smoothly enters the throat portion to be mixed with air; fuel oil steam sprayed by the fuel oil nozzle is prevented from splashing to the fuel gas nozzle, so that fuel oil flows into the fuel gas inlet channel, and the fuel gas flow is prevented from being influenced; the partition plate is bent towards the direction of the fuel gas nozzle to form the arc-shaped partition plate, so that the special fuel gas throat is formed, the mixing effect of fuel gas and air or / and fuel oil is enhanced, the combustion efficiency of an engine is improved, the fuel utilization rate is increased, the fuel cost is reduced, and the purposes of energy conservation and environmental protection are achieved.

The utility model relates to the technical field of carburetors, in particular to an ultra-stable idling motorcycle carburetor which comprises a carburetor body and a circular ring, the circular ring is fixedly connected to the outer wall of the carburetor body, transverse plates are symmetrically and fixedly connected to the outer wall of the circular ring, and round rods are fixedly connected to one ends of the transverse plates on the two sides. The two ends of the round rod are fixedly connected with arc plates. According to the ultra-stable idling motorcycle carburetor, through cooperation of the protection structure and the carburetor body, an operator installs the first frame bodies on the two sides to a crossbeam of a motorcycle through four bolts, and the first frame bodies on the two sides and the multiple grid plates can protect the internal carburetor body, so that when the motorcycle runs, the carburetor body is not prone to falling off; the carburetor main body can be blocked by the grid plate when bumping or stone collision occurs, the situation that the carburetor main body is damaged due to the collision situation in the driving process is reduced, collision damage can be effectively prevented in the using process, and the carburetor is more stable in the using process.

The utility model relates to the technical field of carburetors, and discloses a multistage atomization motorcycle carburetor which comprises an ultrasonic fuel oil atomizer, a protective barrel, a steam outlet pipe and a conical cover. The top of the ultrasonic fuel oil atomizer is connected with a protective barrel through a threaded groove, a laminate is fixed in the protective barrel through bolts, one side of the protective barrel is connected with a steam outlet pipe through a threaded groove, conical covers are arranged at the two ends in the steam outlet pipe, and supporting rods are arranged at the tops and the bottoms of the conical covers. An oil inlet pipe is welded to the side, located at the bottom of the air inlet pipe, of the protective barrel. Fuel oil is firstly atomized through the ultrasonic fuel oil atomizer, then the atomized fuel oil is blown into the steam outlet pipe through gas so that the fuel oil can collide with the conical cover to be atomized again, the multi-stage atomization design is achieved, the atomization efficiency is high, and the ultrasonic fuel oil atomizer is suitable for being widely used and popularized.

An internal combustion engine (1) may include a combustion chamber (41) into which a mixture (40) of fuel and air is supplied, a spark plug (50) disposed proximate to the combustion chamber (41) to ignite the mixture (40) by generating a spark such that ignition of the mixture drives a piston (6) operably coupled to a crank portion (12) of the engine (1), a speed sensor (102) configured to determine engine speed, and an electronic control unit (100) configured to control operation of the spark plug (50). The electronic control unit (100) may be configured to initiate a speed limitation operation in response to engine speed reaching a cut out speed threshold and to control ignition timing within an operating band (320) of ignition angles prior to engine speed reaching the cut out speed threshold. The speed limitation operation may include skipping application of sparks. The electronic control unit (100) is further configured to apply a changed ignition angle (330) relative to the operating band (320) for first at least one spark initiated after the speed limitation operation.

Design of an air intake device for small motorcycles, in particular SIMSON models S50, S51, S53 and S70, characterized by an intake flange (1) attached to the central part of the housing, into which a flexible, funnel-shaped intake sleeve (2) is inserted from the inside, wherein an O-ring (3) is arranged between the flange (1) and the intake sleeve (2) for sealing.

The utility model discloses a dustproof carburetor air inlet structure, which belongs to the technical field of carburetors and comprises a carburetor shell, an air inlet pipe communicated with the surface of the carburetor shell and an air inlet joint communicated with the air inlet end of the air inlet pipe, and a reinforcing component is mounted at the joint of the air inlet pipe and the air inlet joint. The reinforcing assembly comprises a reinforcing ring, a reinforcing sleeve, a rubber ring B, a rubber ring A and a locking bolt, wherein the reinforcing ring and the reinforcing sleeve are installed outside the air inlet pipe, the rubber ring B adheres to the outer portion of the reinforcing ring, the rubber ring A adheres to the top opening position of the reinforcing sleeve, and the locking bolt is spirally inserted into the surface of the reinforcing ring. A reinforcing assembly is installed at the connecting position of the air inlet pipe and the air inlet connector, a reinforcing ring and a reinforcing sleeve are installed at the connecting position of the air inlet pipe and the air inlet connector, the inserting end of a locking bolt on the surface of the reinforcing ring extends into a threaded groove, the connecting position of the air inlet pipe and the air inlet connector is reinforced, the structural strength is improved, and the damage phenomenon is not prone to occurring; and good air tightness and dustproof performance are maintained.

The utility model relates to the technical field of three-way valves, in particular to a three-way valve for a carburetor, which comprises a valve body and a liquid inlet pipe, one end of the liquid inlet pipe is fixedly connected with the valve body, the surface of the liquid inlet pipe is fixedly connected with a filter bin, the surface of the filter bin is provided with a groove, the bottom of the groove is provided with an insertion groove, and the insertion groove is fixedly connected with the liquid inlet pipe. A filter plate is inserted into the slot, a connecting plate is fixedly connected to the top of the filter plate, a fixed block is fixedly connected to the surface of the filter bin, a screw rod is in threaded connection with the interior of the fixed block, a clamping block is rotatably connected to the top of the screw rod, and an adjusting knob is fixedly connected to the bottom of the screw rod. According to the utility model, the filter plate and the filter bin are fixed, meanwhile, the filter plate is also convenient to disassemble and assemble, the filter plate is convenient to clean and replace in the later period, and the convenience of cleaning and replacing the filter plate and the working efficiency are further improved.

The utility model relates to the technical field of carburetor solenoid valves, in particular to a high-integration carburetor solenoid valve which comprises a first shell and a second shell, a limiting block is in sliding connection with a limiting groove, the inner wall of the front portion of the first shell is in threaded connection with a first cover plate, and a plurality of threaded holes are formed in the surface of a sealing bottom in a circumferential array mode. The multiple threaded holes are in threaded connection with drying assemblies, the front end of the first shell and the front end of the second shell are installed and fixed through a first fixing device, and the rear end of the first shell and the rear end of the second shell are installed and fixed through a second fixing device. When the electromagnetic valve is connected with the carburetor, elastic acting force of the spring is avoided, and infirm connection between the electromagnetic valve and the carburetor is avoided. According to the electromagnetic valve, a drying agent in the mounting cage is convenient to place, and the working efficiency is improved.

The utility model discloses a carburetor connecting structure which comprises a carburetor body, a filter assembly is fixed on one side of the carburetor body and comprises an end cover, a short connecting pipe is integrally formed on the outer wall of one side of the end cover, a socketed pipe is sleeved outside the short connecting pipe, one end of the socketed pipe is connected with an oil inlet pipe, and the other end of the socketed pipe is connected with an oil outlet pipe. A conical ring is integrally formed at the end, close to the end cover, of the sleeving pipe, symmetrically-distributed elastic plates are integrally formed on the outer wall of one side of the end cover, and clamping teeth matched with the conical ring are integrally formed at one end of each elastic plate. The oil inlet pipe is connected with the short connecting pipe in a sleeved mode through the sleeving pipe and connected with the conical ring on the sleeving pipe in a clamped mode through the clamping teeth on the elastic plate, so that the oil inlet pipe cannot be separated when connected with the carburetor, the oil inlet pipe and the carburetor can be installed only through simple inserting connection, other tools are not needed, and the oil inlet pipe and the carburetor are convenient to use. Therefore, the installation is more convenient.

The invention discloses an engine with a negative pressure type fuel switch, which comprises an engine, a carburetor, a throttle valve control part, the negative pressure type fuel switch and a fuel tank, the carburetor is provided with a throttle valve, and a throttle valve controller controls the opening degree of the throttle valve; the negative pressure type fuel switch is coupled between the fuel tank and the carburetor, and a pressure tapping opening of the negative pressure type fuel switch is located between the throttle valve and an air inlet of the engine. The invention further discloses a starting control method of the engine with the negative pressure type fuel switch. The negative pressure type fuel switch can be effectively turned on, smooth starting of an engine is guaranteed, the user experience of a product can be improved, the probability that the negative pressure type fuel switch cannot be turned on can be reduced, and the maintenance frequency and the maintenance cost of the negative pressure type fuel switch can be reduced; and the throttle valve is closed to prevent excessive fuel oil from being sucked into a combustion chamber of the engine to influence the normal starting of the engine.