18results about How to "Save fuel" patented technology

The invention belongs to the technical field of internal combustion engine power devices, and discloses a double-piston mechanism for an internal combustion engine, which comprises a cylinder body, and more than one cylinder is arranged in the cylinder body; an air inlet seat and an air outlet seat are installed on the upper portion and the lower portion of the cylinder body respectively, an air inlet pipe and an air outlet pipe are arranged in the air inlet seat and the air outlet seat respectively, and an air inlet channel and an air outlet channel are arranged in the air inlet pipe and the air outlet pipe respectively. A control device for gas distribution is arranged at the corresponding position of each cylinder; a high-pressure oil pump is arranged outside the cylinder body, and the high-pressure oil pump is communicated with the oil sprayer through a high-pressure oil pipe; a piston assembly I and a piston assembly II are symmetrically arranged in each cylinder body, and a bevel gear set I and a bevel gear set II which are matched with the piston assembly I and the piston assembly II to transmit power are further arranged in each cylinder body. The power performance of the internal combustion engine can be improved through the two piston assemblies, the device is small in size and light in weight, and single-machine fuel consumption and operation cost are effectively reduced.

The present application relates to the technical field of spacecraft propulsion system, and more particularly to a micro-newton hybrid mode propulsion system and method based on gas working substance. The system comprises a gas storage unit, a gas supply unit, a thruster unit and a propulsion system driving and control unit. The gas storage unit adopts symmetrically arranged high-pressure gas cylinders connected through high-pressure isolation valves, and in combination with the automatic balancing strategy of the control unit, effectively solves the problem of on-orbit centroid drift. The gas supply unit includes parallel cold gas propulsion branches and electric propulsion branches, and each branch adopts a mechanical pressure reducer to eliminate vibration and noise caused by electromagnetic valve action from the source, realizing super-static operation of the system. The propulsion system driving and control unit controls the micro-newton cold gas thruster and the micro-newton electric thruster to work alone or in cooperation according to the distribution strategy based on the thrust critical point, realizing the optimal comprehensive efficiency of high precision and high specific impulse in the full thrust range, and being suitable for ultra-high precision space scientific exploration missions.

The utility model discloses a kind of mixed combustion gas recovery structure and boiler, wherein, mixed combustion gas recovery structure includes combustion chamber and spray gun, and the side wall of combustion chamber is provided with the second air duct of penetration;The output end of spray gun is arranged in the second air duct, and first channel for outputting mixed combustion gas and second channel for outputting secondary air are equipped in spray gun;The tail gas outlet downstream of combustion chamber is connected with spray gun;In the mixed combustion gas recovery structure of the utility model, mixed combustion gas in combustion chamber tail gas is recovered into combustion chamber by the form of outputting through spray gun for secondary combustion, and the installation way of spray gun is to use the existing secondary air duct structure of combustion chamber, and the installation mode is simple;The input of mixed combustion gas and air can be realized simultaneously by spray gun structure, the recovery efficiency of mixed combustion gas is improved, while saving fuel, air pollution is reduced, and the processing cost of combustion tail gas is saved.

The utility model belongs to the technical field of combustors, and discloses a heat storage combustion flat single radiant tube device which is provided with a heat storage type combustor and a flame radiation flat single tube, and flames combusted by the heat storage type combustor are jetted in the flame radiation flat single tube. Formed flue gas flows back into the heat accumulating type combustor along the pipe wall of the flame radiation flat single pipe and is exhausted after heat is absorbed by a heat accumulator; the heat storage combustion flat single radiant tube device integrates combustion, heat transfer, smoke exhaust and heat storage, and during working, air and smoke need to be reversed, and fuel does not need to be reversed; the utility model has the beneficial effects of small volume of installation space in the furnace, compact structure, uniform temperature of the radiant tube wall and the like.

An air supply device (100) for a ship is described. The air supply device includes a first turbocharger (130) having a first compressor (131) and a first turbine (132), the first turbine (132) being capable of being driven by exhaust gas supplied from one or more engines (120). The first compressor (131) is coupled to the first turbine (132) via a transmission (133) configured to change the speed of the first compressor (131). Furthermore, the air supply device includes an air lubrication system (140) for reducing ship drag. The first compressor (131) is connected to the air lubrication system (140) to supply air to the air lubrication system (140).

The application discloses a wing surface continuous deformation mechanism based on a slide bar-flexible truss-skin, which comprises a rigid wing box (40% of the terminal chord length), a flexible upper skin, four independent flexible trusses, a slide bar and a rigid trailing edge. The trusses are connected with the upper skin together, and the whole driving system serves as the lower skin of the wing. The slide bar slides back and forth at the leading edge of the wing, the deformation mechanism is stretched or bent, and the curved surface of the wing is changed. The upper surface skin of the wing is made of a skin prepared from a material capable of bearing large deformation. The motor drives the slide bar to generate a driving force, when the driving force is applied to the leading edge direction, the trailing edge deflects downward, and when the driving force is applied to the trailing edge direction, the trailing edge deflects upward, so that the deformation is completed.

The utility model relates to a tread pattern structure of a medium-short distance all-steel truck radial tire, which is characterized in that three rows of Z-shaped zigzag grooves in the same direction are distributed on a tire tread along the circumferential direction of the tire tread, and main pattern blocks with irregular pentagonal structures are distributed between the adjacent Z-shaped zigzag grooves to form two rows of blocky pattern columns; an inclined shallow groove is formed between every two adjacent main pattern blocks in each row. And the main pattern blocks in the block-shaped pattern columns on the two sides of the central zigzag groove are reversely arranged in a staggered manner along the circumferential direction. A plurality of stone discharging blocks are arranged at the bottom of the Z-shaped zigzag ditch in the extending direction of the Z-shaped zigzag ditch, and the stone discharging blocks comprise main stone discharging blocks and auxiliary stone discharging blocks which are sequentially and alternately connected. A plurality of knife-shaped shallow grooves are evenly distributed in the shoulder portions of the tire tread, a plurality of block-shaped heat dissipation square grooves are evenly distributed below the two shoulder portions of the tire tread, and a plurality of exhaust holes are evenly distributed in the peripheries of the main pattern blocks. Compared with the prior art, the tire tread pattern structure disclosed by the utility model has the advantages of low rolling resistance, strong road holding force, good stone discharging performance and the like.

This invention relates to the field of livestock manure treatment technology, and discloses a hot air drying device for chicken manure, comprising a drying chamber and a heating chamber. The drying chamber is equipped with a multi-layer conveying mechanism. The heating chamber is connected to one side of the drying chamber, and a return air chamber is connected to the opposite side of the drying chamber. Hot air from the heating chamber is discharged after passing through the drying chamber, the return air chamber, and the drying chamber. This device offers high heat utilization, good drying uniformity, and low production costs.

A control method of an electric injection automobile using M100 methanol fuel and gasoline, relates to the field of electric injection automobile control, obtains idle injection pulse width and maximum injection pulse width when using gasoline, selects at least five injection pulse width sample values between the two, and marks as standard pulse width, obtains the output power of the vehicle when the injector is at the above pulse width; obtains the working pulse width when the output power is the same when using mixed fuel; calculates the ratio of the working pulse width to the standard pulse width, marks in the coordinate system, connects all the ratio points of the working pulse width to the standard pulse width of the mixed fuel of the same mixing ratio, and generates a continuous curve; the curve is a pulse width ratio curve; according to the standard pulse width issued by the original vehicle ECU, the pulse width ratio corresponding to the curve in the coordinate system is obtained, and the actual control pulse width is calculated. The present application has the advantages of being able to add M100 methanol fuel or gasoline at will, the vehicle is not easy to light up the fault light, can be used normally, does not affect the timely discovery of other fault alarms, improves safety, etc.

This utility model relates to the field of concrete chute technology, specifically a movable bifurcated concrete pouring chute, including a chute body and a support body. The chute body consists of an upper chute, a middle chute, and a lower bifurcated chute connected in sequence. The support body includes a frame constructed of welded steel bars and movable wheels installed at the bottom of the frame. The chute body is fixedly installed on the support body through connectors. This utility model, through the design of the lower bifurcated chute, can simultaneously deliver a stream of concrete to three different working faces, realizing synchronous and continuous pouring on multiple working faces. It completely solves the problem of low efficiency caused by the frequent movement and alternating pouring of traditional single chutes or pump trucks. It is particularly suitable for large-volume concrete projects that require continuous one-time molding, greatly shortening the construction cycle.

This utility model provides an energy-saving integrated combustion furnace, relating to the field of heating equipment technology. It includes a combustion furnace with a combustion chamber at the top of one end. Hinges are fixedly connected to both ends of one side of the furnace's inner cavity near the edge, and doors are fixedly connected to the other ends of the hinges. An ash chamber is located at the bottom of one side of the furnace, and multiple through holes are formed in the top of the ash chamber's inner cavity. This utility model allows for adjustable height of the integrated combustion furnace by starting a forward and reverse motor via an external controller, accommodating operators of different heights and reducing their workload. The insulation component reduces heat loss from the combustion chamber, meaning less fuel is needed to reach the same temperature, thus achieving energy savings.

The application discloses a kind of synergistically processing large wind volume low concentration waste gas and small wind volume high concentration waste gas incineration system and its operating method, in the method, high concentration waste gas and low concentration waste gas are not premixed in advance, set up separate incineration chamber for processing high concentration waste gas, incineration chamber is not set up regenerative bed, built-in burner, burner is high concentration waste gas as fuel, with low concentration oxygen-containing waste gas as combustion-supporting wind.Set up three regenerative incineration chambers for processing low concentration waste gas, each regenerative incineration chamber inlet and outlet are provided with lift valve, when normal operation, the opening and closing of each lift valve is controlled by time sequence, one is as air inlet chamber, one is as air outlet chamber, one is as purging chamber.In this way, it is ensured that all waste gas can be discharged up to standard, and the safety and cost optimization of operation process are ensured.The safety hazard and high energy consumption problems existing when traditional RTO technology simultaneously processes high concentration and low concentration waste gas are solved.

The invention relates to the field of hybrid power driving devices, and provides a hybrid power speed change device which is characterized in that a first planetary gear mechanism and a second planetary gear mechanism are combined into a two-stage planetary gear mechanism, a first sun gear is connected with a second sun gear, and a first planet carrier is connected with a second planet carrier; a first gear ring of the first planetary gear mechanism is a first inner gear ring of the two-stage planetary gear mechanism; a second gear ring of the second planetary gear mechanism is a second inner gear ring of the two-stage planetary gear mechanism; the internal combustion engine is connected with a planet carrier of the two-stage planetary gear mechanism through an input shaft. An output shaft of the first motor is connected with a sun gear of the two-stage planetary gear mechanism; an output shaft of the second motor is connected with a second inner gear ring of the two-stage planetary gear mechanism; a first inner gear ring of the two-stage planetary gear mechanism is connected with the main output shaft. According to the invention, the loss of energy in secondary conversion is reduced, so that the composite shunting working mode meets all use working conditions, and the power performance, economic performance and smooth performance of the whole vehicle are improved.

The application provides a control unit for starting an internal combustion engine of a range-extended electric vehicle, the range-extended electric vehicle comprising an electric motor, a power battery, an internal combustion engine and a generator, wherein the control unit comprises: a receiving module configured to receive a request for starting the internal combustion engine; a judging module configured to judge whether the state of charge of the power battery is greater than or equal to a predetermined threshold; a power control module configured to control the generator to rotate by using the power of the power battery to drive the internal combustion engine to operate when the state of charge is equal to or greater than the predetermined threshold; and a fuel control module configured to control the fuel injection device of the internal combustion engine to not inject fuel into the combustion chamber of the internal combustion engine in a time period when the rotating speed of the internal combustion engine is less than the idle speed of the internal combustion engine. The application also provides a method for starting an internal combustion engine of a range-extended electric vehicle and a computer readable storage medium. The technical scheme of the application can save fuel, reduce cost and reduce emissions.

The invention discloses a double-drive single-steel-wheel road roller based on mechanical transmission and a control method of the double-drive single-steel-wheel road roller, and belongs to the technical field of road roller control. The road roller comprises an engine, a gearbox, a vibration system, a rear wheel mechanical driving system, a front wheel hydraulic driving system and a whole vehicle controller. The front wheel hydraulic driving system comprises a front wheel driving pump and a driving motor which are connected with the gearbox and is used for realizing front wheel auxiliary driving; the vehicle control unit controls the rotating speed of the engine and the displacement of the front wheel driving pump and the motor according to signals of the speed sensor. The control method comprises a transition mode, a common compaction mode, a high flat compaction mode and a high drive mode, distribution of driving force of front and rear wheels can be intelligently controlled according to different working conditions, energy conservation and high efficiency of mechanical transmission and flexibility and controllability of hydraulic drive are both achieved, and the working condition adaptability and operation quality of the road roller are improved.

The utility model discloses a rotary kiln for sintering lithium iron phosphate and a preparation device, and belongs to the technical field of battery positive electrode materials. The rotary kiln comprises a kiln head, a heating section, a heat preservation section and a kiln tail which are sequentially arranged in the length direction of a rotary kiln body, and the heat preservation section is sleeved with a heat preservation section smoke cavity corresponding to the outer portion of the kiln wall. A plurality of flue gas inlets which are distributed in parallel at intervals and a plurality of flue gas outlets which are distributed at intervals are respectively formed in the bottom and the top of the heat preservation section flue gas cavity; the flue gas inlet and the flue gas outlet are staggered in the axis direction of the heat preservation section flue gas cavity; and the flue gas inlet is used for introducing high-temperature flue gas. According to the scheme, a heat source used by the heat preservation section flue gas cavity is selected as high-temperature flue gas, and the layout of the flue gas inlet and the flue gas outlet in the heat preservation section flue gas cavity is optimally designed, so that the heating uniformity of the kiln wall of the heat preservation section is effectively improved; and the product performance and uniformity of the prepared lithium iron phosphate are effectively improved.

The utility model relates to the technical field of internal combustion engines, in particular to a carburetor with an anti-explosion valve, which comprises a carburetor body, a floater chamber and a control air throttle, an air inlet pipe and a mixing chamber are arranged on the carburetor body, the control air throttle is arranged in the mixing chamber, the anti-explosion valve is further arranged on the air inlet pipe, and the floater chamber is arranged in the mixing chamber. The explosion-proof valve comprises a cover body, a diaphragm valve mechanism and a stop valve mechanism, a step-shaped containing groove is formed in the air inlet pipe, the cover body covers the containing groove to form an outer side containing cavity and an inner side containing cavity, the diaphragm valve mechanism is arranged in the outer side containing cavity, the stop valve mechanism is arranged in the inner side containing cavity, and the diaphragm valve mechanism is arranged in the inner side containing cavity. The diaphragm valve mechanism can push the stop valve mechanism to be opened and closed, and the air inlet pipe is provided with an air inlet and an air outlet which correspond to the anti-explosion valve, so that when the throttle valve is closed rapidly, the carburetor reduces the air amount, and the phenomenon that an exhaust pipe blasts due to the fact that mixed gas of an engine becomes thin is avoided.

The present application relates to the technical field of fuel supply of internal combustion engine, and particularly discloses an automatic fuel supply system of internal combustion engine and a control method thereof, which comprises a main oil tank, a first auxiliary oil tank, a second auxiliary oil tank, an air compressor and a detection control module, and constitutes two independent oil paths, two independent air paths and a detection control part. The pressure and liquid level change of the auxiliary oil tank are monitored, the two auxiliary oil tanks are controlled to alternately supply oil, and after switching the oil path, the mixed gas formed by air and fuel vapor in the previous oil supply auxiliary oil tank is discharged into the engine intake duct and finally enters the cylinder for combustion. The present application can solve the problem of serious damage of new fuel to the pump and pressure regulating valve, the fuel supply system can continuously supply oil for a long time, fuel can be saved, environmental pollution can be reduced, and data monitoring of fuel consumption rate can be realized.