Car engine cooling water jacket flow field test system

The invention discloses an automobile engine cooling water jacket flow field testing system which is used for constructing a testing water jacket green part CAD model with a hollow characteristic and a certain wall thickness. A colorless and transparent engine cooling water jacket testing green part is generated by a photo-curing rapid prototyping technique; a testing pipeline system and a water flowing measurement system are integrated into a flow field testing platform; a testing green part is fixedly arranged on the platform by a special clamp; the rotation speed of a motor is adjusted; typical working condition of the working process of the engine is simulated, and the water flow distribution test for a completely transparent water chamber is carried out so as to gain the cooled water flow field data under different working conditions. The automobile engine cooling water jacket flow field testing system combines the rapid prototyping technique with the modern testing technique, realizes ...

Power station inspection path planning method and device based on spatial relationship

The invention relates to a path planning technology, and discloses a power station inspection path planning method based on a spatial relationship, which comprises the following steps: constructing a power station grid map according to the geographical environment of a target power station, and extracting starting, inspection, termination and obstacle nodes in the power station grid map; calculating a first distance value between the father node and the inspection node, and taking the inspection node as the father node when the first distance value is smaller than or equal to a first distance threshold value; when the first distance value is greater than a first distance threshold value, determining an extended target node; calculating a second distance value between the extended target node and the obstacle node, and when the second distance value is smaller than a second distance threshold value, deleting the extended target node; when the second distance value is greater than a second ...

Car engine cooling water jacket flow field test system

The invention discloses an automobile engine cooling water jacket flow field testing system which is used for constructing a testing water jacket green part CAD model with a hollow characteristic anda certain wall thickness. A colorless and transparent engine cooling water jacket testing green part is generated by a photo-curing rapid prototyping technique; a testing pipeline system and a water flowing measurement system are integrated into a flow field testing platform; a testing green part is fixedly arranged on the platform by a special clamp; the rotation speed of a motor is adjusted; typical working condition of the working process of the engine is simulated, and the water flow distribution test for a completely transparent water chamber is carried out so as to gain the cooled waterflow field data under different working conditions. The automobile engine cooling water jacket flow field testing system combines the rapid prototyping technique with the modern testing technique, realizes ...

Biomarker for predicting or evaluating curative effect or prognosis of severe aplastic anemia and application

The invention belongs to the technical field of biological medicines, and discloses a biomarker for predicting or evaluating the curative effect or prognosis of severe aplastic anemia and application. The biomarker provided by the invention comprises V [beta] 20-1J [beta] 1-5, V [beta] 20-1J [beta] 1-2 or V [beta] 20-1J [beta] 1-1. Tracking is carried out through TCR beta V region deep sequencing to monitor the oligo-clonality of pathogenic T cells, it is found for the first time that the expression frequency of V beta 20-1J beta 1-5 after an SAA patient receives IST treatment is significantly related to good event-free survival of the SAA patient, and partial remission/complete remission of the patient to IST reaction is predicted. The V beta 20-1J beta 1-5 can be used for well predicting the treatment prognosis of SAA patients in the IST background. The T receptor spectrum can be used as a biomarker for guiding IST treatment of the SAA patient, so that more accurate prediction and evaluation ...

High-voltage vacuum circuit breaker

The utility model provides a high-voltage vacuum circuit breaker, includes that frame, operating mechanism, vacuum interrupter touch the arm on, touch arm and seal the protective sheath admittedly down, and the operating mechanism is installed in the frame, and the operating mechanism is connected with vacuum interrupter to be touched the arm on, and touches the arm under with and all be connected with vacuum interrupter, admittedly seal the protective sheath and install in the frame, the protective sheath that seals admittedly be an overall structure, vacuum interrupter touches the arm and touches the arm down and install in the inside of sealing the protective sheath admittedly on, and touch the arm on, and the terminal outgoing lines that touches the arm down exposes outside sealing the protective sheath admittedly, admittedly seal the bottom face and frame fixed connection of protective sheath. Its advantage lies in that environment endurance is strong, does not receive the influence ...

Box-separated prepacked converting station

The invention consists of transformer, high voltage switch, fuse, operating room of high voltage and operating room of low voltage. It features the setup of the high voltage switch, fuse and level splitting tank of transformer. The high voltage switch and fuse are separately set in oil tank of high voltage switch and fuse. The transformer is set in oil tank of transformer. The high voltage switch and fuse are separately set in two level splitting tanks to ensure the insulatibity of transformer oil.

Naphthalene tail gas recycling system

The invention discloses a naphthalene tail gas recycling system which comprises a naphthalene tank body and a naphthalene collector. The top of the naphthalene tank body is provided with a naphthalene ventilation hole, the top of the naphthalene collector is provided with an air inlet and an air outlet, the naphthalene ventilation hole is communicated with the air inlet through a pipe, and an induced draft fan is installed at the position of the air outlet. The naphthalene tail gas recycling system further comprises a pipeline connected with loading vehicle tail gas, the pipeline is connected with the pipe, the tail gas discharged out of the naphthalene ventilation hole and a loading vehicle is introduced to the naphthalene collector through the induced draft fan and the pipe to be recycled, the naphthalene collector comprises a collecting device and a water tank, a grid partition is arranged in the collecting device, a spraying pipe for water curtain cooling is installed at the top of ...

Method and device for reducing vehicle start buffeting on the basis of axial compression characteristic of driven disc

A method for reducing vehicle start buffeting on the basis of axial compression characteristic of a driven disc is characterized in that by controlling axial compression characteristic of a joint start point of clutch driving and driven discs, fluctuation of the torque value of friction between the clutch driving and driven discs during vehicle starting is effectively reduced, and vehicle start buffeting is effectively reduced accordingly. The method includes the steps of calculating vehicle road resistance moment; calculating axial compressing force of the driven disc during starting; enlarging axial compression of the driven disc at the moment of vehicle starting, as well as joint slipping power and overall axial compression. By the use of the novel method, vehicle start buffeting can be effectively reduced; the method is well adaptable and low in cost. The invention further provides a device for reducing vehicle start buffeting on the basis of axial compression characteristic of driven ...

Intelligent monitoring system for switch cabinet

The invention discloses an intelligent monitoring system for a switch cabinet, and belongs to the technical field of control systems, after temperature data is collected, filtering processing is firstly carried out, the influence of noise and interference signals on extraction of temperature characteristics is avoided, the filtered temperature data is processed in real time through a temperature rising trend prediction unit, and the future temperature is predicted; when the future temperature is larger than or equal to the high-temperature threshold value, it is indicated that the temperature in the switch cabinet is high, cooling treatment needs to be conducted, the temperature in the switch cabinet is kept below the overheating fault threshold value through a draught fan of the ventilation equipment, and if the predicted temperature is larger than or equal to the overheating fault threshold value, cooling treatment needs to be conducted. If yes, the fan cannot control the temperature ...

Box-separated prepacked converting station

Engine and vehicle

An engine, which comprises a cylinder head and a cylinder body (12). A first water jacket channel (10), an exhaust channel, and a second water jacket channel (11) are provided in the cylinder head. The exhaust channel is arranged between the first water jacket channel (10) and the second water jacket channel (11). The first water jacket channel (10) and the second water jacket channel (11) are arranged in proximity to the exhaust channel. The first water jacket channel (10) is in communication with the second water jacket channel (11). The second water jacket channel (11) is in communication with the cylinder body (12). The second water jacket channel (11) is provided with a water inlet channel (14). During actual use, the first water jacket channel (10) and the second water jacket channel (11) absorb the heat of a high-temperature gas in the exhaust channel and that on the cylinder head, thus effectively reducing the temperature of the cylinder head, and providing the cylinder head with an improved cooling effect.

Intake manifold for engine, engine, and vehicle

An intake manifold for an engine includes a premixing chamber, a pressure stabilizing chamber, and multiple intake passages. The intake passages are connected with a bottom of the pressure stabilizing chamber. A first end of the premixing chamber includes an intake end having an air inlet. A second end of the premixing chamber is communicated with the pressure stabilizing chamber and is close to a top of the pressure stabilizing chamber. An exhaust gas inlet is disposed on the premixing chamber and close to the air inlet. The engine includes an engine body and the intake manifold for the engine. The vehicle includes a vehicle body and the engine.

Engine and vehicle

An engine includes a cylinder head and a cylinder block. The cylinder head has a first water jacket passage, an exhaust passage and a second water jacket passage. The exhaust passage is located between the first water jacket passage and the second water jacket passage. The first water jacket passage and the second water jacket passage are disposed close to the exhaust passage. The first water jacket passage is in communication with the second water jacket passage. The second water jacket passage is in communication with the cylinder block. The second water jacket passage has a water inlet passage.

Vehicle and engine thereof

An engine includes an engine water jacket, a water pump and a thermostat assembly. The engine water jacket, the thermostat assembly and the water pump are connected to form a circulation passage. The thermostat assembly is connected between the engine water jacket and the water pump. The engine water jacket includes a cylinder head water jacket and a cylinder block water jacket. The thermostat assembly is configured to enable the coolant to enter the cylinder head water jacket of the cylinder head water jacket and the cylinder block water jacket upon cold start.

Vehicle and engine thereof

An engine includes an engine water jacket, a water pump and a thermostat assembly. The engine water jacket, the thermostat assembly and the water pump are connected to form a circulation passage. The thermostat assembly is connected between the engine water jacket and the water pump. The engine water jacket includes a cylinder head water jacket and a cylinder block water jacket. The thermostat assembly is configured to enable the coolant to enter the cylinder head water jacket of the cylinder head water jacket and the cylinder block water jacket upon cold start.

Intake manifold of engine, engine and vehicle

The present disclosure relates to the engine field and discloses an air intake manifold for an engine, an engine, and a vehicle. The intake manifold for an engine includes a premixing chamber, a pressure stabilizing chamber, and a plurality of intake passages. The intake passages are connected with a bottom of the pressure stabilizing chamber. One end of the premixing chamber is an intake end having an air inlet. Another end of the premixing chamber is communicated with the pressure stabilizing chamber and is close to a top of the pressure stabilizing chamber. An exhaust gas inlet is arranged on the premixing chamber and at a position close to the air inlet. The engine includes an engine body and the intake manifold for an engine. The vehicle includes a vehicle body and the engine. The intake manifold for an engine, the engine, and the vehicle disclosed in the present disclosure can effectively reduce the accumulation phenomenon and improve the engine performance.

Vehicle and engine thereof

The present disclosure provides a vehicle and an engine thereof. The engine includes an engine water jacket, a water pump and an attemperator assembly. The engine water jacket, the attemperator assembly and the water pump are connected to form a circulation passage. The attemperator assembly connects between the engine water jacket and the water pump. The engine water jacket includes a cylinder head water jacket and a cylinder block water jacket. The attemperator assembly is configured to enable the coolant to enter the cylinder head water jacket of the engine water jacket without entering the cylinder block water jacket of the engine water jacket during cold start. The present disclosure solves the technical problems of long heat-up time of the engine water jacket and slow warm-up of the machine.

Engine and vehicle

Engine and vehicle

An engine includes a cylinder head and a cylinder block. The cylinder head has a first water jacket passage, an exhaust passage and a second water jacket passage. The exhaust passage is located between the first water jacket passage and the second water jacket passage. The first water jacket passage and the second water jacket passage are disposed close to the exhaust passage. The first water jacket passage is in communication with the second water jacket passage. The second water jacket passage is in communication with the cylinder block. The second water jacket passage has a water inlet passage.

Engine and vehicle

The present disclosure discloses an engine and a vehicle. The engine includes a cylinder head and a cylinder block. The cylinder head has a first water jacket passage, an exhaust passage and a second water jacket passage inside. The exhaust passage is located between the first water jacket passage and the second water jacket passage. The first water jacket passage and the second water jacket passage are arranged close to the exhaust passage. The first water jacket passage is in communication with the second water jacket passage. The second water jacket passage is in communication with the cylinder block. The second water jacket passage has a water inlet passage. In the present disclosure, the first water jacket passage and the second water jacket passage can absorb the temperature of the high-temperature gas in the exhaust passage and the thermal surface of the cylinder head, thereby lowering effectively the temperature of the cylinder head and providing desirable cooling effect for the cylinder head.

Tubulação de admissão para um motor, motor, e, veículo

tubulação de admissão para um motor, motor, e, veículo. a presente revelação revela uma tubulação de admissão de ar (1) para um motor, incluindo uma câmara de pré-mistura (10), uma câmara de estabilização de pressão (11) e uma pluralidade de passagens de admissão (13). as passagens de admissão (13) são conectadas com um fundo da câmara de estabilização de pressão (11). uma extremidade da câmara de pré-mistura (10) é uma extremidade de admissão com uma entrada de ar (101). outra extremidade da câmara de pré-mistura (10) é comunicada com a câmara de estabilização de pressão (11) e está próxima a um topo da câmara de estabilização de pressão (11). uma entrada de gás de exaustão (102) está disposta na câmara de pré-mistura (10) e em uma posição próxima à entrada de ar (101). o motor inclui um corpo de motor e a tubulação de admissão para um motor. a presente revelação se refere ainda a um motor e um veículo. na aplicação prática, a estrutura da tubulação de admissão pode efetivamente reduzir o fenômeno de acumulação e melhorar o desempenho de motor.

Intake manifold of engine, engine and vehicle

An intake manifold (1) of an engine. The intake manifold comprises a premixing chamber (10), a pressure stabilizing chamber (11) and a plurality of intake passages (13), wherein the intake passages (13) are connected to the bottom of the pressure stabilizing chamber (11); one end of the premixing chamber (10) is provided with an intake end having an air intake port (101), and the other end of the premixing chamber (10) is in communication with the pressure stabilizing chamber (11) and is close to the top of the pressure stabilizing chamber (11); and an exhaust gas intake port (102) is provided at the position of the premixing chamber (10) close to the air intake port (101). The present invention further relates to an engine and a vehicle. In practical application, the structure of the intake manifold can effectively reduce an accumulation phenomenon, such that the engine performance is improved.

Engine and vehicle with engine

Intake manifold of engine, engine and vehicle

Engine and vehicle having the same

An engine includes a cylinder block, a cylinder head, and a piston. The cylinder head is connected to the cylinder block. The piston is movably connected to the cylinder block. The cylinder block, the cylinder head, and the piston form a combustion chamber. The cylinder head includes an intake valve hole and an exhaust valve hole. An intake valve is disposed at the intake valve hole and an exhaust valve is disposed at the exhaust valve hole. A barrier protrusion is protruded at the edge of the intake valve hole away from the exhaust valve hole. The included angle between a first connecting line connecting a first end of the barrier protrusion and a center of the intake valve hole and a second connecting line connecting a second end of the barrier protrusion and the center of the intake valve hole is greater than 120 degrees and less than or equal to 180 degrees.

Engine and vehicle with engine

An engine, comprising a cylinder block (10), a cylinder head (20) and a piston (30), wherein the cylinder head (20) is fixedly connected to the cylinder block (10); the piston (30) is movably connected to the cylinder block (10); a combustion chamber (101) is defined by the cylinder block (10), the cylinder head (20) and the piston (30); the cylinder head (20) is provided with a gas intake valve hole (201) and a gas exhaust valve hole (202); a gas intake valve (41) is arranged at the gas intake valve hole (201); a gas exhaust valve (42) is arranged at the gas exhaust valve hole (202); the edge of the gas intake valve hole (201) that is away from the gas exhaust valve hole (202) is provided with a raised barrier protrusion (21); and an included angle between lines connecting two ends of the barrier protrusion (21) to the center of the gas intake valve hole (201) is greater than 120 degrees and less than or equal to 180 degrees. In practical applications, the arrangement of the barrier protrusion can improve an intra-cylinder tumble effect and improve the thermal efficiency of the engine.

Engine and vehicle having the same

An engine includes a cylinder block, a cylinder head, and a piston. The cylinder head is connected to the cylinder block. The piston is movably connected to the cylinder block. The cylinder block, the cylinder head, and the piston form a combustion chamber. The cylinder head includes an intake valve hole and an exhaust valve hole. An intake valve is disposed at the intake valve hole and an exhaust valve is disposed at the exhaust valve hole. A barrier protrusion is protruded at the edge of the intake valve hole away from the exhaust valve hole. The included angle between a first connecting line connecting a first end of the barrier protrusion and a center of the intake valve hole and a second connecting line connecting a second end of the barrier protrusion and the center of the intake valve hole is greater than 120 degrees and less than or equal to 180 degrees.

Engine and vehicle with engine

The present disclosure relates to the technical field of engines. An engine includes a cylinder block (10), a cylinder head (20) and a piston (30). The cylinder head (20) is fixedly connected to the cylinder block (10). The piston (30) is movably connected to the cylinder block (10). The cylinder block (10), the cylinder head (20) and the piston (30) form a combustion chamber (101). An intake valve hole (201) and an exhaust valve hole (202) are defined on the cylinder head (20). An intake valve (41) is provided at the intake valve hole (201) and an exhaust valve (42) is provided at the exhaust valve hole (202). A protrusion barrier protrusion (21) is provided at the edge of the intake valve hole (201) away from the exhaust valve hole (202). The included angle between connecting lines that are formed with both ends of the barrier protrusion (21) and the center of the intake valve hole (201) is greater than 120 degrees and less than or equal to 180 degrees. With the barrier protrusion, the tumble effect in the cylinder is improved and the thermal efficiency of the engine is improved in actual applications.

Vehicle and engine thereof

Engine and vehicle

An engine, which comprises a cylinder head and a cylinder body (12). A first water jacket channel (10), an exhaust channel, and a second water jacket channel (11) are provided in the cylinder head. The exhaust channel is arranged between the first water jacket channel (10) and the second water jacket channel (11). The first water jacket channel (10) and the second water jacket channel (11) are arranged in proximity to the exhaust channel. The first water jacket channel (10) is in communication with the second water jacket channel (11). The second water jacket channel (11) is in communication with the cylinder body (12). The second water jacket channel (11) is provided with a water inlet channel (14). During actual use, the first water jacket channel (10) and the second water jacket channel (11) absorb the heat of a high-temperature gas in the exhaust channel and that on the cylinder head, thus effectively reducing the temperature of the cylinder head, and providing the cylinder head with an improved cooling effect.

Engine and vehicle