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Manufacture of engine and accessories and its application technology
  • Apparatus for applying in road surface to collect mechanical energy from passing vehicles for power generation
    The present disclosure relates to a device for use in a road surface to collect mechanical energy from a vehicle passing on the road surface, and thereby to actuate a mechanical or mechanical hydraulic system to actuate a converter to generate electrical energy. It has been verified in the past decades that electricity generation is still highly dependent on the thermal power plants supplied by fossil fuels and nuclear power, but the implementation of renewable energy-based electricity generation systems (ie hydropower plants and wind farms, onshore and offshore) has Increased. near...
  • Manufacturing method of offshore wind turbine installation device
    The invention describes an offshore wind turbine installation device; and a method of hoisting a load between a floating installation ship and an offshore wind turbine component. In order to construct offshore facilities such as wind turbines, jack-up vessels are usually used to transport the relevant components to the installation site, and jack-up vessels are used as a relatively stable base from which cranes are operated to lift heavy components into place. For example, a jack-up ship can combine tower sections, machines ...
  • Manufacturing method of safety stop assembly
    The invention describes a safety stop valve device for a hydraulic blade pitch system of a wind turbine; a safety stop assembly of a wind turbine having a hydraulic blade pitch system; and a safety stop sequence for a wind turbine Method; and a wind turbine having a hydraulic blade pitch system and such a safety stop device for each hydraulic blade pitch system. The aerodynamic rotor of a wind turbine includes rotatable wheels ...
  • Wind turbine rotor blade, its segment and interconnecting member manufacturing method
    The invention relates to a segment of a rotor blade of a wind turbine. The invention also relates to a wind turbine rotor blade. The invention also relates to an interconnection member. There is growing interest in renewable energy technologies around the world. For example, climate change is driving energy production towards renewable energy technologies. Therefore, wind power is an important energy source, and the amount of electricity generated by wind power every year is rapidly increasing. Wind power is transforming wind energy into more useful ...
  • Manufacturing method of fuel injection valve
    The present invention is based on Japanese Patent Application No. 2017-111780 filed on June 6, 2017, and the contents thereof are incorporated herein by reference. The present invention relates to a fuel injection valve. Conventionally, a fuel injection valve having a small volume formed in a valve cavity and a bag cavity connected to an injection hole has been known. For example, in the fuel injection valve of Patent Document 1, the volume of the bag cavity is reduced to reduce the residual fuel in the bag cavity after fuel injection. As a result, suppression from the spray holes ...
  • Manufacturing method of fuel pump for supplying fuel to internal combustion piston engine
    The present invention relates to a fuel pump for supplying fuel to an internal combustion piston engine, the fuel pump comprising: a main body and a cylindrical space having a central axis in the main body; and a piston member which is arranged in the cylindrical shape Reciprocating in space, wherein the cylindrical space includes a first space segment having a first diameter, wherein a wall of the space and a wall of the piston member are arranged to abut each other, thereby providing a first sealing gap, Making the wall of the space ...
  • Method for adapting internal combustion engine to system powered by gas-phase gaseous fuel and liquid-phase gaseous fuel
    The present invention relates to a system for adapting an internal combustion engine powered by a liquid fuel to be powered by a gaseous and liquid gaseous fuel. The invention also relates to a dual fuel internal combustion engine system powered by a liquid fuel and alternatively by a gas phase fuel and a liquid phase gas fuel simultaneously. The invention also relates to a method for adapting a liquid fuel-based internal combustion engine to be powered by a liquid-phase gaseous fuel and at the same time by a gas-phase gaseous fuel. Internal combustion engine specifically ...
  • Manufacturing method of cylinder head with valve seat ring cooling mechanism
    The invention relates to a cylinder head for an internal combustion engine having at least one cylinder, the cylinder head having at least one valve seat ring for lifting a valve, wherein the valve seat ring is provided with an annular cooling channel at least at least one of the inlet channels The inlet hole and the at least one outlet hole of the drainage channel extend at least partially around the valve seat, wherein the inlet channel and the drainage channel are arranged on the same side of the cylinder. The high-power internal combustion engines hitherto have regions with high thermal load, for example ...
  • Method and process for determining the current compression ratio of an internal combustion engine during operation
    The invention relates to a method for determining the current compression ratio of an internal combustion engine from pressure and vibration signals measured in the intake system or in the exhaust system during operation of the internal combustion engine. A reciprocating piston internal combustion engine, which is also simply referred to as an internal combustion engine here and in the following, has one or more cylinders, in each of which a reciprocating piston is arranged. In the following, the principle of a reciprocating piston internal combustion engine is explained with reference to FIG. 1, which shows, for example, the most important functional unit ...
  • Manufacturing method of combustion chamber structure of engine
    The invention relates to a combustion chamber structure of a spark ignition engine. A spark ignition engine of a vehicle such as an automobile has a configuration in which fuel is injected from an injector into a combustion chamber, and a spark plug is used to ignite a mixture of the injected fuel atomized. When the engine is operating in a high-load operating region, the combustion chamber becomes hot. Therefore, in the high-load operation area, fuel injection is performed when the piston is near the top dead center of compression to suppress pre-ignition ...
  • Manufacturing method of combustion chamber structure of engine
    The invention relates to a combustion chamber structure of a spark ignition engine. A spark-ignition engine in a vehicle such as a car has a structure in which fuel is injected from an injector into a combustion chamber, air is introduced from an intake port to form a mixture containing atomized fuel, and the mixture is ignited by a spark plug. gas. Patent Document 1 discloses a method of injecting fuel near the top dead center of compression and using a spark plug to ignite (spark ignition) ...
  • Cooling system for combustion engine and WHR system
    The invention relates to a cooling system for a combustion engine and a whr system according to the preamble of claim 1. Whr systems (waste heat recovery systems) can be used in vehicles to recover waste heat energy and convert it into mechanical or electrical energy. Waste heat energy from, for example, the exhaust of a combustion engine can be recovered by means of a whr system. Therefore, the whr system can reduce the fuel consumption of combustion engines. To achieve high thermal efficiency in whr systems ...
  • Manufacturing method of hydrogen reducing agent for catalytic pollution treatment
    FIELD OF THE INVENTION The present invention relates to systems, products, and methods for on-board hydrogen production and use of hydrogen as a reducing agent in the exhaust stream of an internal combustion engine. BACKGROUND OF THE INVENTION Environmental regulations regarding emissions from internal combustion engines are becoming more stringent throughout the world. Because they operate at high altitude / fuel ratio under lean conditions, the operation of lean-burn engines, such as diesel engines, provides users with excellent fuel economy. However, diesel engines also emit particulate matter (pm), unburned hydrocarbons (hc), carbon monoxide ...
  • Hydrogen-assisted integrated emission control system
    FIELD OF THE INVENTION The present invention relates generally to the field of selective catalytic reduction catalysts and oxidation catalysts, and emission control systems using such catalysts. BACKGROUND OF THE INVENTION Environmental regulations regarding emissions from internal combustion engines are becoming more stringent throughout the world. Since they operate at high altitude / fuel ratios under lean conditions, the operation of lean-burn engines, such as diesel engines, provides users with excellent fuel economy. However, diesel engines also emit particulate matter (pm), unburned hydrocarbons (...
  • Manufacturing method of spray device
    The invention relates to a spray device. As an exhaust gas purification system for purifying nox in the exhaust gas of diesel engines mounted on vehicles such as trucks, buses, etc., selective catalytic reduction (scr: selective catalytic reduction) system (for example, refer to Patent Document 1). In a selective catalytic reduction system, it will be stored in ...
  • Exhaust treatment device of engine, manufacturing method and process thereof
    The invention relates to an exhaust treatment device for an engine and a method for manufacturing the same. Exhaust gas from the engine contains hc (hydrocarbon), co (carbon monoxide), and nox (nitrogen oxide), as well as particulate matter (hereinafter referred to as "pm") containing carbon as a main component. This PM will also be the cause of air pollution, so it is already strengthening restrictions on harmful gases such as hc, co, nox ...
  • Bidirectional jet PCV valve assembly and system
    Cross-References to Related Applications This application requires the submission entitled "fluidicequippedbi-directionalpcvgasflowcontrollerandconditionresponsivemethodtwinvortexgeneratingsystemandmethodforcont ...
  • Manufacturing method of hydraulic support element
    The invention relates to a hydraulic support element of a switchable rocker arm for a valve transmission device of an internal combustion engine. The support element has a can-shaped cylinder, and the cylinder has a bottom portion arranged on an end portion of the cylinder side. A hollow piston is arranged with a piston bottom opposite to the bottom, and the piston has a contact head for a rocker arm at a free axial end thereof, wherein the internal space of the piston can be coupled to a pressure oil conveying portion. And with the escape constructed in the contact ...
  • Manufacturing method of valve transmission device for internal combustion engine
    The invention relates to a valve transmission for an internal combustion engine having the features of the preamble of claim 1. For the technical environment, reference is made, for example, to the European patent application ep0595060a1. A valve transmission for an internal combustion engine is known from this patent application, which valve transmission has a pre-tensioned sliding cam that can be moved axially on a camshaft. The sliding cam can be moved to its advancing position in its first position acting with the first convex curve on the intake valve ...
  • Leading edge shield member, leading edge shield member unit, composite material blade, manufacturing method of leading edge shield member, and manufacturing method and process of composite material blade
    The present invention relates to a manufacturing method of a leading edge shield member, a leading edge shield member unit, a composite material blade, a leading edge shield member, and a composite material blade. A composite blade body is used for the moving and stationary leaves, and the composite blade body is formed by laminating a composite material layer in which a reinforcing fiber is impregnated with a resin. For example, the composite blade body of the fan blade used in the engine of the aircraft, in consideration of the impact of bird strikes and dust, is proposed at the leading edge ...
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