35results about How to "Taking into account low and medium speed conditions" patented technology

An imbalanced stressed type rotation control system belongs to the technical field of machinery design and comprises a compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, an accommodating cavity, a fixing body, through pipes, a separation plate, a rotation body and a connection plate. One end of the rotation body extends into a first through pipe and has a sealed contact with the wall surface of the first through pipe; the other end of the rotation body is fixedly connected with the separation plate; two ends of the first connecting pipe are respectively communicated with an air inlet of the accommodating cavity and an air exhaust pipe of the engine; and two ends of a second connecting pipe are respectively communicated with an air outlet of the accommodating cavity and an air inlet pipe of the compressor. When the air inlet pipe of the engine possesses high pressure, the rotating body drives valve body to clockwise rotate; large exhausting and recirculation efficiency of the engine is achieved; low engine detonation pressure is acquired; when the air inlet pipe of the engine possesses low pressure, the rotating body drives valve body to counterclockwise rotate; low exhausting and recirculation efficiency of the engine is achieved; and low engine oil consumption is acquired. The imbalanced stressed type rotation control system is rationally designed, simply structured and suitable for exhaust recirculation system of the engine.

The invention provides a differential-pressure type gas valve lift adjusting mechanism and belongs to the technical field of mechanical design. The differential-pressure type gas valve lift adjusting mechanism comprises a gas compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotary shaft, a containing cavity, a fixed body, penetrating pipes, an elastic component, a separating board, a rotary body and a connecting board. One end of the rotary body extends into the first penetrating pipe and makes sealing contact with the wall face of the first penetrating pipe, the other end of the rotary body is fixedly connected with the separating board, one end of the third connecting pipe is communicated with an engine gas inlet pipe, and the other end of the third connecting pipe penetrates through the outer wall face of the containing cavity and then is communicated with the containing cavity. When the pressure of the engine gas inlet pipe is high, the valve body is driven by the rotary body to rotate in the clockwise direction, the exhaust gas recirculation rate of the engine is high, and the detonation pressure of the engine is low; when the pressure of the engine gas inlet pipe is low, the valve body is driven by the rotary body to rotate in the anticlockwise direction, the exhaust gas recirculation rate of the engine is low, and the fuel consumption of the engine is low. The differential-pressure type gas valve lift adjusting mechanism is reasonable in design, simple in structure and suitable for an exhaust gas recirculation system of a supercharged engine.

The invention belongs to the technical field of machine design, and provides a rotary distance adjustment system for a valve body and a valve seat. The rotary distance adjustment system comprises a compressor, an engine, a turbine, connecting pipes, the valve seat, the valve body, a rotating shaft, a volume cavity, a fixed body, penetrating pipes, a flexible component, a partition plate, a rotating body and a connecting plate, wherein one end of the rotating body stretches into the first penetrating pipe and makes sealing contact with the wall surface of the first penetrating pipe, the other end of the rotating body is fixedly combined with the partition plate together, one end of the third connecting pipe is communicated with an engine exhaust pipe, and the other end of the third connecting pipe is communicated with the volume cavity after penetrating through the outer wall surface of the volume cavity. When the pressure of the engine exhaust pipe is quite high, the rotating body drives the valve body to rotate clockwise, the exhaust recirculation rate of the engine is quite high, and the detonation pressure of the engine is quite low; when the pressure of the engine exhaust pipe is quite low, the rotating body drives the valve body to rotate counterclockwise, the exhaust recirculation rate of the engine is quite low, and the fuel consumption of the engine is quite low. The rotary distance adjustment system for the valve body and the valve seat is reasonable in design, simple in structure, and applicable to an exhaust recirculation system of a supercharged engine.

A flow control system with area-adjustable throat part in the technical field of mechanical design comprises a compressor, a motor, a turbine, a connecting pipe, a valve holder, a valve body, a rotary shaft, a volume cavity, a rotary body and an elastic part; the rotary body is mounted in the volume cavity and is hermetically connected with the inner wall surface of the volume cavity; the right wall surface of a partition plate is connected with the rotary body by the elastic part; two ends of a first connecting pipe are respectively communicated with a turbine exhausting pipe and the gas inlet of a volume chamber; two ends of a third connecting pipe are respectively communicated with the gas inlet pipe of the motor and the volume cavity at the left side of the partition plate; when the gas inlet pipe of the motor has higher pressure, the rotary body drives the valve body to rotate clockwise, the exhausting recirculation rate of the motor is larger, and the blasting pressure of the motor is lower; when the gas inlet pipe of the motor has lower pressure, the rotary body drives the valve body to rotate counterclockwise, the motor is smaller in exhausting recirculation rate and lower in oil consumption. The flow control system with the area-adjustable throat part is reasonable in design, simpler in structure, and suitable for the exhausting recirculation systems of boosting motors.

The invention discloses a pressure unbalanced type valve body lifting adjusting mechanism which comprises a gas compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotary shaft, volume cavities and a rotator. The rotator is installed in the volume cavity and is in sealed contact with the inner wall face of the volume cavity, the two ends of the third connecting pipe are communicated with an exhaust pipe of the engine and the volume cavity formed in the right side of a partition board respectively, and the two ends of the fourth connecting pipe are communicated with a gas inlet pipe of the engine and the volume cavity at the right side of the partition board respectively. When the pressure of the gas inlet pipe of the engine is larger than the pressure of the exhaust pipe of the engine, the rotator drives the valve body to rotate clockwise, and the exhaust recycling rate of the engine is large; when the pressure of the gas inlet pipe of the engine is smaller than the pressure of the exhaust pipe of the engine, the rotator drives the valve body to rotate anticlockwise, and the exhausting recycling rate of the engine is small. The pressure unbalanced type valve body lifting adjusting mechanism is reasonable in design, simple in structure and suitable for an exhausting recycling system of a supercharged engine.

The invention provides a differential pressure type pneumatic adjusting rotating device in the technical field of mechanical design. The differential pressure type pneumatic adjusting rotating device comprises a gas compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, a containing cavity, a fixed body, penetrating pipes, a partition board, a rotating body and a connecting board. One end of the rotating body extends into the first penetrating pipe and is in sealing contact with the wall face of the first penetrating pipe, the other end of the rotating body is fixedly combined with the partition board, the two ends of the first connecting pipe are communicated with a gas inlet of the containing cavity and a gas exhausting pipe of the turbine respectively, and the two ends of the second connecting pipe are communicated with a gas outlet of the containing cavity and a gas inlet pipe of the gas compressor respectively. When the pressure of the gas inlet pipe of the engine is large, the rotating body drives the valve body to rotate clockwise, the low-pressure gas exhausting recirculation rate of the engine is large, and the detonation pressure of the engine is low; when the pressure of the gas inlet pipe of the engine is small, the rotating body drives the valve body to rotate anticlockwise, the low-pressure gas exhausting recirculation rate of the engine is small, and the oil consumption of the engine is low. The differential pressure type pneumatic adjusting rotating device is reasonable in design, simple in structure, and suitable for a low-pressure gas exhausting recirculation system of a supercharged engine.

The invention relates to a pressure control type exhausting recycling control device in the technical field of mechanical design. The pressure control type exhausting recycling control device comprises a gas compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, a volume cavity, a fixed body, penetrating pipes, an elastic component, a partition board, a rotating body and a connecting plate, wherein one end of the rotating body stretches into a first through pipe and is in seal contact with the wall surface of the first through pipe, the other end of the rotating body is fixedly connected with the partition board together, one end of a third connecting pipe is communicated with an air inlet pipe of the engine, and the other end of the third connecting pipe is communicated with the volume cavity after penetrating through the outer wall surface of the volume cavity. When the pressure of the air inlet pipe of the engine is higher, the rotating body drives the valve body to rotate clockwise, the exhausting recycling rate of the engine is higher, and the detonation pressure of the engine is lower; when the pressure of the air inlet pipe of the engine is lower, the rotating body drives the valve body to rotate anticlockwise, the exhausting recycling rate of the engine is lower, and the oil consumption of the engine is lower. The pressure control type exhausting recycling control device is reasonable in design and simple in structure and is suitable for exhausting recycling systems of supercharged engines.

The invention discloses a controllable gas path device with an elastic mechanism and relates to the field of a mechanical design technology. The controllable gas path device comprises a gas compressor, an engine, a turbine, connecting pipes, a valve base, a valve body, a rotating shaft, a volume chamber, a fixing body, penetration pipes, an elastic assembly, a baffle, a rotating body and a connecting plate; one end of the rotating body stretches into a first penetration pipe and forms sealing contact with the wall surface of the first penetration pipe, the other end of the rotating body is fixed together with the baffle, one end of a second connecting pipe is connected with the exhaust pipe of the engine, and the other end of the second connecting pipe is connected with the volume chamber. When the air inlet pipe of the engine is relatively high in pressure, a butterfly valve is driven to rotate clockwise by the rotating body, so that the air exhaust recirculation rate of the engine is relatively great and the detonation pressure of the engine is relatively lower; when the air inlet pipe of the engine is relatively low in pressure, the butterfly valve is driven to rotate anticlockwise by the rotating body, so that the air exhaust recirculation rate of the engine is relatively low and the fuel consumption of the engine is also relatively lower. The gas path device is reasonable in design and simple in structure, thus the gas path device is applied to the air exhaust recirculation system of a supercharged engine.

The invention provides an interleaving pressure control system in the technical field of mechanical design. The interleaving pressure control system comprises a gas compressor, an engine, a turbine, a connecting pipe, a valve seat, a valve body, a rotating shaft, a receiving chamber, a stator, a penetrating pipe, a separator, a rotator and a connecting plate; one end of the rotator extends into the first penetrating pipe and is in sealing contact with the wall of the first penetrating pipe, while the other end of the rotator is fixedly connected with the separator; one end of the second connecting pipe is communicated with the intake pipe of the engine, while the other end of the second connecting pipe is communicated with the first penetrating pipe after penetrating through the stator. When the front and back pressure difference of the gas compressor is relatively high, the rotator drives a butterfly valve to rotate clockwise, and the exhaust gas recirculation rate of the engine is relatively high, while the detonation pressure of the engine is relatively low. The interleaving pressure control system is reasonable in design, simple in structure, and suitable for the exhaust gas recirculation system of a supercharged engine.

The invention relates to the technical field of mechanical design, in particular to an exhaust-controlled valve auto-rotating system comprising a compressor, an engine, a turbine, a connecting pipe, a rotating shaft, a volumetric cavity, a fixture, penetrating pipes, an elastic part, a partition, a rotor and a connecting plate. One end of the rotor penetrates the first penetrating pipe and is in hermetic contact with the wall of the first penetrating pipe; the other end of the rotor is connected with the partition; two ends of the first connecting pipe are communicated with a compressor intake pipe and a turbine exhaust pipe, respectively. When pressure of an engine exhaust pipe is high, the rotor drives a valve block to rotate clockwise, exhaust gas recirculation rate of the engine is high, and explosion pressure of the engine is low; when the pressure of the engine exhaust pipe is low, the rotor drives the valve block to rotate anticlockwise, exhaust gas recirculation rate of the engine is low, and oil consumption of the engine is low. The exhaust-controlled valve auto-rotating system is reasonable in design and simple in structure and is suitable for an exhaust gas recycling system of a booster engine.

The invention discloses a gas path system with a drawing mechanism and relates to the field of a mechanical design technology. The gas path system comprises a gas compressor, an engine, a turbine, connecting pipes, a valve base, a valve body, a volume chamber, a fixing body, penetration pipes, an elastic assembly, a baffle, a rotating body, a connecting plate and a fixing plate; one end of the rotating body stretches into a first penetration pipe and forms sealing contact with the wall surface of the first penetration pipe, the other end of the rotating body is fixed together with the baffle, one end of a second connecting pipe is connected with the exhaust pipe of the engine, and the other end of the second connecting pipe is connected with the volume chamber. When the exhaust pipe of the engine is relatively high in pressure, a butterfly valve is driven to rotate clockwise by the rotating body, so that the air exhaust recirculation rate of the engine is relatively great and the detonation pressure of the engine is relatively lower; when the exhaust pipe of the engine is relatively low in pressure, the butterfly valve is driven to rotate anticlockwise by the rotating body, so that the air exhaust recirculation rate of the engine is relatively low and the fuel consumption of the engine is also relatively lower. The gas path system is reasonable in design and simple in structure, thus the gas path system is applied to the air exhaust recirculation system of a supercharged engine.

A butterfly valve system adjusting via air inlet pressure belongs to the technical field of machinery design and comprises a compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, an accommodating cavity, a fixing body, through pipes, an elastic component, a separation plate, a rotation body and a connection plate. One end of the rotation body extends into a first through pipe and has a sealed contact with the wall surface of the first through pipe; the other end of the rotation body is fixedly connected with the separation plate; one end of a second connecting pipe is communicated with an air inlet pipe of the engine; and the other end of the second connecting pipe passes through the fixing body to be communicated with the first through pipe. When the air inlet pipe of the engine possesses high pressure, the rotating body drives a butterfly valve to clockwise rotate; large exhausting and recirculation efficiency of the engine is achieved; low engine detonation pressure is acquired; when the air inlet pipe of the engine possesses low pressure, the rotating body drives the butterfly valve to counterclockwise rotate; low exhausting and recirculation efficiency of the engine is achieved; and low engine oil consumption is acquired. The butterfly valve system adjusting via air inlet pressure is rationally designed, simply structured and suitable for exhaust recirculation system of the engine.

A compressor front and rear differential pressure high pressure circulating device belongs to the technical field of machinery design and comprises a compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, an accommodating cavity, a fixing body, through pipes, a separation plate, a rotation body and a connection plate. One end of the rotation body extends into a first through pipe and has a sealed contact with the wall surface of the first through pipe; the other end of the rotation body is fixedly connected with the separation plate; two ends of the first connecting pipe are respectively communicated with an air inlet of the accommodating cavity and an air exhaust pipe of the engine; and two ends of a second connecting pipe are respectively communicated with an air outlet of the accommodating cavity and an air inlet pipe of the compressor. When large differential pressure between the back and front parts of the compressor exists, the rotating body drives valve body to clockwise rotate; large high pressure exhausting and recirculation efficiency of the engine is achieved; and low engine detonation pressure is acquired. The compressor front and rear differential pressure high pressure circulating device is rationally designed, simply structured and suitable for exhaust recirculation system of the engine.

The invention discloses a pressure difference type valve rotation regulating mechanism, and belongs to the technical field of mechanical design. The pressure difference type valve rotation regulating mechanism includes a gas compressor, an engine, a turbine, connecting pipes, a rotating shaft, a containing cavity, a fixed body, penetrating pipes, a partition board, a rotating body and a connecting board, wherein one end of the rotating body extends into the first penetrating pipe and is in sealing contact with the wall surface of the first penetrating pipe, the other end of the rotating body is fixedly combined with the partition board, the two ends of the first connecting pipe are communicated with the gas inlet pipe of the gas compressor and the gas exhausting pipe of the turbine respectively. When the front-and-back pressure difference of the turbine is large, the rotating body drives the valve body to rotate clockwise, the exhaust gas recirculation ratio of the engine is large, and the detonation pressure of the engine is low. The pressure difference type valve rotation regulating mechanism is reasonable in design, simple in structure, and applicable to the exhaust gas recirculation system of the supercharged engine.

A turbine back and front differential pressure control type high pressure circulating device belongs to the technical field of machinery design and comprises a compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, an accommodating cavity, a fixing body, through pipes, a separation plate, a rotation body and a connection plate. One end of the rotation body extends into a first through pipe and has a sealed contact with the wall surface of the first through pipe; the other end of the rotation body is fixedly connected with the separation plate; two ends of the first connecting pipe are respectively communicated with an air inlet of the accommodating cavity and an air exhaust pipe of the engine; and two ends of a second connecting pipe are respectively communicated with an air outlet of the accommodating cavity and an air inlet pipe of the compressor. When large differential pressure between the back and front parts of the turbine exists, the rotating body drives valve body to clockwise rotate; large high pressure exhausting and recirculation efficiency of the engine is achieved; and low engine detonation pressure is acquired. The turbine back and front differential pressure control type high pressure circulating device is rationally designed, simply structured and suitable for exhaust recirculation system of the engine.

The invention discloses a pneumatic type partition plate moving system in the technical field of mechanical design. The pneumatic type partition plate moving system comprises a gas compressor, an engine, a turbine, a connecting tube, a valve seat, a vale body, a rotary shaft, an accommodating cavity, a fixed body, a penetrating tube, an elastic part, a partition plate, a rotary body and a connecting plate, wherein one end of the rotary body extends into the first penetrating tube and is in sealing contact with the wall surface of the first penetrating tube; the other end of the rotary body is fixedly connected with the partition plate; one end of the second connecting tube is communicated with a gas exhausting tube of the engine; the other end of the second connecting tube is communicated with the accommodating cavity. When the pressure of the gas exhausting tube of the engine is relatively high, the rotary body drives a butterfly valve to clockwise rotate, so that the larger the gas-exhausting and re-circulating efficiency of the engine, the lower detonation pressure of the engine; when the pressure of the gas-exhausting tube of the engine is relatively low, the rotary body drives the butterfly valve to anticlockwise rotate, so that the smaller gas-exhausting and re-circulating efficiency of the engine, the lower the oil consumption of the engine. The pneumatic type partition plate moving system is reasonable in design, simple in structure and suitable for a gas-exhausting and re-circulating system of a booster engine.

A pneumatic pipeline circulation area variable apparatus belongs to the technical field of machinery design and comprises a compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, an accommodating cavity, a fixing body, through pipes, an elastic component, a separation plate, a rotation body and a connection plate. One end of the rotation body extends into a first through pipe and has a sealed contact with the wall surface of the first through pipe; the other end of the rotation body is fixedly connected with the separation plate; one end of a second connecting pipe is communicated with an air inlet pipe of the engine; and the other end of the second connecting pipe passes through the fixing body to be communicated with the first through pipe. When the air inlet pipe of the engine possesses high pressure, the rotating body drives a butterfly valve to clockwise rotate; large exhausting and recirculation efficiency of the engine is achieved; low engine detonation pressure is acquired; when the air inlet pipe of the engine possesses low pressure, the rotating body drives the butterfly valve to counterclockwise rotate; low exhausting and recirculation efficiency of the engine is achieved; and low engine oil consumption is acquired. The pneumatic pipeline circulation area variable apparatus is rationally designed, simply structured and suitable for exhaust recirculation system of the engine.

The invention discloses an exhausting and re-circulating rate mechanical control mechanism in the mechanical technical field. The exhausting and re-circulating rate mechanical control mechanism comprises a gas compressor, an engine, a turbine, a connecting tube, a rotary shaft, an accommodating cavity, a fixed body, a penetrating tube, an elastic part, a partition plate, a rotary body and a connecting plate, wherein one end of the rotary body extends into the first penetrating tube and is in seal contact with the wall surface of the first penetrating tube; the other end of the rotary body is fixedly connected with the partition plate; the two ends of the first connecting tube are communicated with a gas inlet tube of the gas compressor and a gas exhausting tube of the engine. When the pressure of the gas inlet tube of the engine is relatively high, the rotary body drives the valve body to clockwise rotate, so that the larger the exhausting and re-circulating rate of the engine, the lower the detonation pressure of the engine; when the pressure of the gas inlet tube of the engine is relatively low, the rotary body drives the valve body to counterclockwise rotate, so that the smaller the exhausting and re-circulating ate of the engine, the oil consumption of the engine is relatively low. The exhausting and re-circulating rate mechanical control mechanism is reasonable in design, simple in structure and suitable for an exhausting and re-circulating system for a booster engine.

A circulating system with air inflow as an air source belongs to the technical field of machinery design and comprises a compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, an accommodating cavity, a fixing body, through pipes, an elastic component, a separation plate, a rotation body and a connection plate. One end of the rotation body extends into a first through pipe and has a sealed contact with the wall surface of the first through pipe; the other end of the rotation body is fixedly connected with the separation plate; one end of a third connecting pipe is communicated with an air inlet pipe of the engine; and the other end of the third connecting pipe passes through the fixing body to be communicated with the first through pipe. When an air inlet pipe of the engine possesses high pressure, the rotating body drives valve body to clockwise rotate; large recirculation efficiency of the engine is achieved; low engine detonation pressure is acquired; when the air inlet pipe of the engine possesses low pressure, the rotating body drives valve body to counterclockwise rotate; low recirculation efficiency of the engine is achieved; and low engine oil consumption is acquired. The circulating system with air inflow as the air source is rationally designed, simply structured and suitable for exhaust recirculation system of the engine.

The invention provides a discharge gas recycling device with penetrating pipes in the technical field of mechanical design. The discharge gas recycling device with the penetrating pipes comprises a gas compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, a volume cavity, a fixing body, the penetrating pipes, an elastic part, a partition plate, a rotating body and a connecting plate, wherein one end of the rotating body is inserted into the first penetrating pipe and makes sealing contact with the wall surface of the first penetrating pipe, the other end of the rotating body is fixedly connected with the partition plate, one end of the third connecting pipe is communicated with a gas inlet pipe of the engine, and the other end of the third connecting pipe is communicated with the first penetrating pipe after penetrating through the fixing body. When the pressure in the gas inlet pipe of the engine is high, the rotating body drives the valve body to rotate in the clockwise direction, and therefore the discharge gas recycling rate of the engine is high, and the detonation pressure of the engine is low. When the pressure in the gas inlet pipe of the engine is low, the rotating body drives the valve body to rotate in the anticlockwise direction, and therefore the discharge gas recycling rate of the engine is low, and the oil consumption of the engine is low. The discharge gas recycling device with the penetrating pipes is reasonable in design, simple in structure and suitable for discharge gas recycling systems of supercharged engines.

A multi-pipeline connection mechanism having through pipes belongs to the technical field of machinery design and comprises a compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, an accommodating cavity, a fixing body, the through pipes, a separation plate, a rotation body and a connection plate. One end of the rotation body extends into a first through pipe and has a sealed contact with the wall surface of the first through pipe; the other end of the rotation body is fixedly connected with the separation plate; one end of a second connecting pipe is communicated with an exhaust pipe of the engine; and the other end of the second connecting pipe passes through the fixing body to be communicated with the first through pipe. When high back and forth pressure difference exits in the compressor, the rotating body drives a butterfly valve to clockwise rotate; large recirculation efficiency of the engine is achieved; and low engine detonation pressure is acquired. The multi-pipeline connection mechanism having the through pipes is rationally designed, simply structured and suitable for exhaust recirculation system of the engine.

The invention discloses an annular shaft-valve simultaneous rotation system and belongs to the technical field of mechanical design. The annular shaft-valve simultaneous rotation system comprises a gas compressor, an engine, a turbine, a connecting tube, a valve seat, a valve body, a rotary shaft, a volume chamber, a rotary body and an elastic component, wherein the rotary body is installed in the volume chamber and is in sealing contact with the inner wall surface of the volume chamber, the right wall surface of a partition board is connected with the rotary body through the elastic component, the two ends of a first connecting tube are communicated with an exhaust tube of the engine and a gas inlet of the volume chamber respectively, and the two ends of a third connecting tube are communicated with the exhaust tube of the engine and the volume chamber on the left side of the partition board respectively. When the pressure of the exhaust tube of the engine is high, the rotary body drives the valve body to rotate clockwise, the exhaust recycling rate of the engine is high, and the detonation pressure of the engine is low. When the pressure of the exhaust tube of the engine is low, the rotary body drives the valve body to rotate anticlockwise, the exhaust recycling rate of the engine is low, and the oil consumption of the engine is low. The annular shaft-valve simultaneous rotation system is reasonable in design, simple in structure, and suitable for an exhaust recycling system of a supercharged engine.

The invention provides a multi-pipeline crossing mutual control device. The multi-pipeline crossing mutual control device comprises a gas compressor, an engine, a turbine, a connecting pipe, a valve seat, a valve body, a rotating shaft, a receiving chamber, a stator, a penetrating pipe, a separator, a rotator and a connecting plate; one end of the rotator extends into the first penetrating pipe and is in sealing contact with the wall of the first penetrating pipe, while the other end of the rotator is fixedly connected with the separator; one end of the second connecting pipe is communicated with the intake pipe of the engine, while the other end of the second connecting pipe is communicated with the first penetrating pipe after penetrating through the stator. When the front and back pressure difference of the gas compressor is relatively high, the rotator drives a butterfly valve to rotate clockwise, and the exhaust gas recirculation rate of the engine is relatively high, while the detonation pressure of the engine is relatively low. The multi-pipeline crossing mutual control device is reasonable in design, simple in structure, and suitable for the exhaust gas recirculation system of a supercharged engine.

A different path air source controlled butterfly valve device belongs to the technical field of machinery design and comprises a compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, an accommodating cavity, a fixing body, through pipes, an elastic component, a separation plate, a rotation body and a connection plate. One end of the rotation body extends into a first through pipe and has a sealed contact with the wall surface of the first through pipe; the other end of the rotation body is fixedly connected with the separation plate; one end of a second connecting pipe is communicated with an air inlet pipe of the engine; and the other end of the second connecting pipe passes through the fixing body to be communicated with the first through pipe. When the air inlet pipe of the engine possesses high pressure, the rotating body drives a butterfly valve to clockwise rotate; large exhausting and recirculation efficiency of the engine is achieved; low engine detonation pressure is acquired; when the air inlet pipe of the engine possesses low pressure, the rotating body drives the butterfly valve to counterclockwise rotate; low exhausting and recirculation efficiency of the engine is achieved; and low engine oil consumption is acquired. The different path air source controlled butterfly valve device is rationally designed, simply structured and suitable for exhaust recirculation system of the engine.

The invention relates to a rotary type exhaust gas recirculation control system and belongs to the technical field of mechanical design. The rotary type exhaust gas recirculation control system comprises a gas compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotary shaft, a containing cavity, a fixed body, penetrating pipes, an elastic component, a separating board, a rotary body and a connecting board. One end of the rotary body extends into the first penetrating pipe and makes sealing contact with the wall face of the first penetrating pipe, the other end of the rotary body is fixedly connected with the separating board, one end of the third connecting pipe is communicated with an engine exhaust pipe, and the other end of the third connecting pipe penetrates through the outer wall face of the containing cavity and then is communicated with the containing cavity. When the pressure of the engine exhaust pipe is high, the valve body is driven by the rotary body to rotate in the clockwise direction, the exhaust gas recirculation rate of the engine is high, and the detonation pressure of the engine is low; when the pressure of the engine exhaust pipe is low, the valve body is driven by the rotary body to rotate in the anticlockwise direction, the exhaust gas recirculation rate of the engine is low, and the fuel consumption of the engine is low. The rotary type exhaust gas recirculation control system is reasonable in design, simple in structure and suitable for an exhaust gas recirculation system of a supercharged engine.

An elastic part adjusted type high-pressure exhaust circulation device in the technical field of mechanical design comprises a gas compressor, an engine, a turbine, connecting pipes, a volume cavity, an elastic part and a rotation body, wherein the rotation body is connected with the right wall face of a fixing plate through the elastic part, two ends of the first connecting pipe are respectively communicated with a gas compressor intake pipe and an engine exhaust pipe, one end of the second connecting pipe is communicated with an engine intake pipe, and the other end of the second connecting pipe is communicated with the volume cavity. When pressure of the engine intake pipe is high, the rotation body drives a butterfly valve to rotate clockwise, the exhaust recirculation rate of the engine is high, and the engine blast pressure is low. When the pressure of the engine intake pipe is low, the rotation body drives the butterfly valve to rotate counterclockwise, the exhaust recirculation rate of the engine is low, and the engine oil consumption is low. The elastic part adjusted type high-pressure exhaust circulation device is reasonable in design, simple in structure and suitable for an exhaust recirculation system of a supercharged engine.

A rotary pipeline flow control system belongs to the technical field of machinery design and comprises a compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, an accommodating cavity, a fixing body, through pipes, an elastic component, a separation plate, a rotation body and a connection plate. One end of the rotation body extends into a first through pipe and has a sealed contact with the wall surface of the first through pipe; the other end of the rotation body is fixedly connected with the separation plate; one end of a second connecting pipe is communicated with an air exhaust pipe of the engine; and the other end of the second connecting pipe passes through the fixing body to be communicated with the first through pipe. When an air inlet pipe of the engine possesses high pressure, the rotating body drives a butterfly valve to clockwise rotate; large exhausting and recirculation efficiency of the engine is achieved; low engine detonation pressure is acquired; when the air inlet pipe of the engine possesses low pressure, the rotating body drives the butterfly valve to counterclockwise rotate; low exhausting and recirculation efficiency of the engine is achieved; and low engine oil consumption is acquired. The rotary pipeline flow control system is rationally designed, simply structured and suitable for exhaust recirculation system of the engine.

A circulating system with air exhaust as air source belongs to the technical field of machinery design and comprises a compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, an accommodating cavity, a fixing body, through pipes, an elastic component, a separation plate, a rotation body and a connection plate. One end of the rotation body extends into a first through pipe and has a sealed contact with the wall surface of the first through pipe; the other end of the rotation body is fixedly connected with the separation plate; one end of a third connecting pipe is communicated with an exhaust pipe of the engine; and the other end of the third connecting pipe passes through the fixing body to be communicated with the first through pipe. When the exhaust pipe of the engine possesses high pressure, the rotating body drives valve body to clockwise rotate; large exhausting recirculation efficiency of the engine is achieved; low engine detonation pressure is acquired; when the exhaust pipe of the engine possesses low pressure, the rotating body drives valve body to counterclockwise rotate; low exhausting and recirculation efficiency of the engine is achieved; and low engine oil consumption is acquired. The circulating system with air exhaust as the air source is rationally designed, simply structured and suitable for exhaust recirculation system of the engine.

A chain type pipeline throat area adjusting system belongs to the technical field of machinery design and comprises a compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, an accommodating cavity, a fixing body, through pipes, an elastic component, a separation plate, a rotation body and a connection plate. One end of the rotation body extends into a first through pipe and has a sealed contact with the wall surface of the first through pipe; the other end of the rotation body is fixedly connected with the separation plate; one end of a second connecting pipe is communicated with an exhaust pipe of the engine; and the other end of the second connecting pipe passes through the fixing body to be communicated with the first through pipe. When the exhaust pipe of the engine possesses high pressure, the rotating body drives a butterfly valve to clockwise rotate; large recirculation efficiency of the engine is achieved; low engine detonation pressure is acquired; when the air exhaust pipe of the engine possesses low pressure, the rotating body drives the butterfly valve to counterclockwise rotate; low recirculation efficiency of the engine is achieved; and low engine oil consumption is acquired. The chain type pipeline throat area adjusting system is rationally designed, simply structured and suitable for exhaust recirculation system of the engine.