The model utility content
Problem to be solved in the utility model is the narrow limitation at conventional variable cross section turbosupercharger, a kind of double-layer channel variable-section turbine control device is provided, can effectively solve the use defective of traditional pressurized machine constant cross-section pressurized machine and exhaust gas bypass pressurized machine, reduce the complicated adjusting structure of rotary vane type and axial motion type variable-area turbocharger simultaneously, realize the control function of variable-area turbocharger.
In order to address the above problem, the utility model by the following technical solutions:
A kind of double-layer channel variable-section turbine control device, comprise turbine case, have air inlet inner flow passage and air inlet outer flow passage in the described turbine case, the week that described air inlet outer flow passage is positioned at the air inlet inner flow passage laterally, be provided with spacing wall between air inlet outer flow passage and the air inlet inner flow passage, it is characterized in that: described air inlet inner flow passage has suction port, and the position near suction port on spacing wall is provided with the outer flow passage suction port, is provided with Intaker controller on the outer flow passage suction port.
Below be the utility model for further improvement of these options:
Described Intaker controller comprises venting valve that is installed in outer flow passage suction port place and the control final controlling element of controlling the venting valve opening or closing.
Further improve:
Be provided with the outer flow passage control room between described outer flow passage suction port and the volute air inlet outer flow passage, described venting valve is arranged in the outer flow passage control room.
Described venting valve is provided with venting valve fitting surface near a side of outer flow passage suction port, and described outer flow passage suction port is provided with outer flow passage suction port flanged surface, and outer flow passage suction port flanged surface is arranged in the outer flow passage control room and cooperates with venting valve fitting surface.
Described outer flow passage control room is provided with the control room upper end cap, with the processing of realization outer flow passage volute suction port flanged surface with to the spacing of valve of exitting.
Further improve:
Described bleed valve door is in transmission connection by valve driving pin sheet and control final controlling element.Described venting valve and valve driving pin sheet are by welding or being riveted into one, axle sleeve center, promotion lower edge at the control final controlling element is rotated, to realize the opening and closing of venting valve fitting surface, by control to venting valve counterface aperture, control from volute outer flow passage suction port and enter gas flow and gas pressure in the double-deck volute air inlet outer flow passage, to realize the function of variable-area turbine.
Improve as another kind:
During the venting valve opening, the angle that forms between venting valve fitting surface and the outer flow passage suction port flanged surface is the outer flow passage opening angle, and for reducing the gas flow loss, outer flow passage opening angle value is the 30-75 degree.
Improve as another kind:
Be provided with the outer flow passage connecting passage between described outer flow passage control room and the volute air inlet outer flow passage, described outer flow passage connecting passage is for reducing shape, and the outer flow passage connecting passage end cross-sectional that is connected with the outer flow passage control room is for circular.
Improve as another kind:
Described turbine case is the turbine case of single import.
Improve as another kind:
Described turbine case is the turbine case of double feed inlet, has two outer flow passage suction ports on turbine case, is respectively equipped with the venting valve on two outer flow passage suction ports, and these two venting valves are controlled by an Intaker controller.
As further improvement: described two venting valves are respectively by two Intaker controllers controls.Two Intaker controllers are controlled the opening and closing of two venting valves respectively, can control more flexibly from volute outer flow passage suction port and enter gas flow and pressure in the air inlet outer flow passage.
The utility model is by designing and developing double-layer channel variable-section turbine control device, effectively solve the reliability and the higher cost problem of the adjusting part of variable-area turbocharger, realized the various inlet pressure of double-deck volute variable-area turbine and the control of flow.Adopt inside and outside double-deck gas-entered passageway combination, formed different passage sections, effectively segmentation utilizes the exhaust energy of motor.Double-layer channel variable-section turbine control device in this model utility has made full use of conventional turbocharger arrangement, guarantee under the constant situation of motor connecting pipeline, by simple control valve, realized that interior outer flow passage makes up and changed the long-pending purpose of turbine section.
To sum up, adopt double-layer channel variable-section turbine control device can guarantee effectively that the double-channel variable section turbo machine satisfies the boost demand of the full operating mode scope of motor, the reliability hidden danger that does not have simultaneously rotary vane type and axial motion type variable-area turbocharger, product is simple, reliable.Big variation does not take place in the supercharger integrated structure of the type, and cost is low, realizes easily.
Below in conjunction with drawings and Examples the utility model patent is further described:
Embodiment
Embodiment 1, as shown in Figure 1, a kind of double-layer channel variable-section turbine control device, the turbine case 1 that comprises single import, be provided with air inlet outer flow passage 2 and air inlet inner flow passage 3 in the turbine case 1 of described single import, the week that air inlet outer flow passage 2 is positioned at air inlet inner flow passage 3 laterally, be provided with spacing wall 21 between air inlet outer flow passage 2 and the air inlet inner flow passage 3, described air inlet inner flow passage 3 has suction port 6, position near suction port 6 on spacing wall is provided with outer flow passage suction port 5, and 5 places are provided with Intaker controller at the outer flow passage suction port.
Air inlet inner flow passage 3 front ends directly are communicated with suction port 6, and the high-temp waste gas of discharging from motor directly enters air inlet inner flow passage 3 along suction port 6 provides power to turbine rotor then, has formed inner flow passage flow direction 4.In order to reduce the gas flow loss that enters air inlet outer flow passage 2 from outer flow passage suction port 5, volute air inlet angle α is an acute angle.
Described Intaker controller comprises the venting valve 12 that is installed in outer flow passage suction port 5 places and controls the control final controlling element 17 that venting valve 12 is opened or closed, described venting valve 12 is in transmission connection by valve driving pin sheet 9 and control final controlling element 17, venting valve 12 and valve driving pin sheet 9 are by welding or be riveted on one, and described venting valve 12 can be by being installed in rotation in the axle sleeve 7 on the turbine shroud.
Be provided with outer flow passage control room 13 between described outer flow passage suction port 5 and the air inlet outer flow passage 2, described venting valve 12 is arranged in the outer flow passage control room 13, and described venting valve 12 is provided with venting valve fitting surface 14 near a side of outer flow passage suction port 5.
Outer flow passage suction port 5 is provided with outer flow passage suction port flanged surface 11, outer flow passage suction port flanged surface 11 is arranged in outer flow passage control room 13, cooperate with venting valve fitting surface 14, venting valve 12 is under the drive of control final controlling element 17, in axle sleeve 7, rotatablely move, the outer flow passage opening angle β of control venting valve fitting surface 14, thus the flow that enters the waste gas the outer flow passage control room 13 from outer flow passage suction port 5 controlled.
As Fig. 2, shown in Figure 3, when outer flow passage opening angle β is 0 when spending, the engine exhaust that enters from suction port 6 only transmits along inner flow passage flow direction 4, when outer flow passage opening angle β when spending greater than 0, engine exhaust will flow simultaneously along inner flow passage flow direction 4 and outer flow passage flow direction 18, thereby play the effect that changes the volute sectional area.
The top in outer flow passage control room 13 is provided with outer flow passage control room end face 15, and outer flow passage control room end face 15 cooperates with control room upper end cap 8, realizes the sealing function in outer flow passage control room 13.When outer flow passage opening angle β reaches outer flow passage peak rate of flow setting value, the top of venting valve 12 contacts with the upper end cap inner face 10 of control room upper end cap 8, thereby restriction outer flow passage opening angle β continues to increase, and restriction enters the exhaust gas flow in the outer flow passage control room 13.
Be provided with outer flow passage connecting passage 16 between outer flow passage control room 13 and the air inlet outer flow passage 2, realize the FLOW CONTROL of air-flow, in order to guarantee the air-flow smooth transition, outer flow passage connecting passage 16 is for reducing shape, and the outer flow passage connecting passage end 19 that is connected with outer flow passage control room 13 is circular transition.
The utility model patent is at the needs of following turbosupercharger to variable-area turbine, finish the exploitation of single import double-layer channel variable-section turbine control device in the double-layer channel variable-section turbine, effectively utilized the spatial variations of inside and outside runner to control exhaust energy.This model utility control adds to be protected simply, and controlling method is reliable, does not have complicated transmission control device.
Embodiment 2, as shown in Figure 4, a kind of double-layer channel variable-section turbine control device, the turbine case 1 that comprises double feed inlet, the turbine case 1 of double feed inlet is provided with the suction port 6 that is positioned at double feed inlet volute right side, be provided with the air inlet outer flow passage 2 and the air inlet inner flow passage 3 that are positioned at double feed inlet volute right side in the turbine case 1, the week that air inlet outer flow passage 2 is positioned at air inlet inner flow passage 3 laterally, air inlet inner flow passage 3 front ends directly are communicated with suction port 6, the high-temp waste gas of discharging from motor directly enters the air inlet inner flow passage 3 on double feed inlet volute right side along suction port 6, provide power to turbine rotor then, formed the inner flow passage flow direction 4 on double feed inlet volute right side.
Be provided with spacing wall 21 between the air inlet inner flow passage 3 on the air inlet outer flow passage 2 on double feed inlet volute right side and double feed inlet volute right side, the position near suction port 6 on spacing wall 21 is provided with outer flow passage suction port 5, and 5 places are provided with Intaker controller at the outer flow passage suction port.
Air inlet inner flow passage 3 front ends on double feed inlet volute right side are in order to reduce the gas flow loss that enters air inlet outer flow passage 2 from outer flow passage suction port 5, and volute air inlet angle α is an acute angle.
Described Intaker controller comprises the venting valve 12 at outer flow passage suction port 5 places that are installed in double feed inlet volute right side and the control final controlling element 17 that control venting valve 12 is opened or closed, described venting valve 12 is in transmission connection by valve driving pin sheet 9 and control final controlling element 17, venting valve 12 and valve driving pin sheet 9 are by welding or be riveted on one, and described venting valve 12 can be by being installed in rotation in the axle sleeve 7 on the turbine shroud.
Outer flow passage suction port 5 places on double feed inlet volute right side are provided with outer flow passage suction port flanged surface 11, outer flow passage suction port flanged surface 11 is arranged in the outer flow passage control room 13 on right side, cooperate with the venting valve fitting surface 14 of venting valve 12 in the outer flow passage control room 13 that is arranged at the right side equally, under the drive of control final controlling element 17, in axle sleeve 7, rotatablely move, outer flow passage opening angle β between control venting valve fitting surface 14 and the outer flow passage suction port flanged surface 11, thus control enters the flow of the waste gas in the outer flow passage control room 13 from the outer flow passage suction port 5 on double feed inlet volute right side.
As shown in Figure 5, when outer flow passage opening angle β is 0 when spending, the engine exhaust that enters from the suction port 6 on double feed inlet volute right side only transmits along the inner flow passage flow direction 4 on double feed inlet volute right side, when outer flow passage opening angle β when spending greater than 0, engine exhaust will flow simultaneously along the inner flow passage flow direction 4 on double feed inlet volute right side and the outer flow passage flow direction 18 on double feed inlet volute right side, thereby play the effect that changes the volute sectional area.The top in the outer flow passage control room 13 on right side is provided with outer flow passage control room end face 15, and outer flow passage control room end face 15 cooperates with control room upper end cap 8, realizes the sealing function in the outer flow passage control room 13 on right side.
When outer flow passage opening angle β reaches outer flow passage peak rate of flow setting value, the top of venting valve 12 contacts with the upper end cap inner face 10 of control room upper end cap 8, thereby restriction outer flow passage opening angle β continues to increase, and limits the exhaust gas flow in the outflow control room 13 that enters the right side.Be provided with outer flow passage connecting passage 16 between the air inlet outer flow passage 2 on the outer flow passage control room 13 on right side and double feed inlet volute right side, realize the FLOW CONTROL of air-flow, in order to guarantee the air-flow smooth transition, outer flow passage connecting passage 16 is for reducing shape, and the outer flow passage connecting passage end 19 that is connected with outer flow passage control room 13 is circular transition.
As shown in Figure 6, the turbine case 1 of double feed inlet be provided with the suction port 6 in the left side of suction port 6 symmetries on double feed inlet volute right side and with double feed inlet volute that the suction port 6 in double feed inlet volute left side is communicated with on the left of the air inlet outer flow passage and the air inlet inner flow passage in left side, be provided with spacing wall between air inlet outer flow passage and the air inlet inner flow passage, position near suction port on spacing wall is provided with the outer flow passage suction port, is provided with the venting valve by same control final controlling element 17 controls at outer flow passage suction port place.
The waste gas that motor is discharged enters the suction port 6 on double feed inlet volute right side and the suction port 6 in double feed inlet volute left side simultaneously, and the gas that enters the suction port 6 in double feed inlet volute left side transmits with identical motion state with the gas of the suction port 6 that enters double feed inlet volute right side.Separate by outer flow passage control room dividing plate 20 in the outer flow passage control room 13 in left side and the outer flow passage control room 13 on right side, after the venting valve fitting surface 14 that cooperates with the outer flow passage suction port flanged surface 11 in double feed inlet volute left side in the outer flow passage control room 13 in left side is opened, air-flow is through the outer flow passage suction port 5 in double feed inlet volute left side, inner flow passage flow direction 4 along double feed inlet volute left side enters in the outer flow passage control room 13 in left side, outer flow passage connecting passage 16 through the left side enters in the outside runner in left side then, has realized the function of left side volute variable cross section.
Embodiment 3, as shown in Figure 7, the venting valve 12 that the outer flow passage suction port place on the left of the double feed inlet volute among the embodiment 2 and the outer flow passage suction port place on double feed inlet volute right side are provided with respectively can also be controlled by two cover Intaker controllers respectively, wherein, the venting valve 12 at the outer flow passage suction port place on double feed inlet volute right side is controlled by original Intaker controller, the venting valve 12 at the outer flow passage suction port place on the left of the double feed inlet volute is controlled by the left side Intaker controller, this left side Intaker controller comprises the control final controlling element 17 that is arranged on the volute outer left side, and control final controlling element 17 is by valve driving pin sheet 9 control venting valve independently movings.
This two covers Intaker controller is controlled gas flow and the quality in outer flow passage connecting passage 16 that enters the left side from the suction port 6 on the suction port 6 in double feed inlet volute left side and double feed inlet volute right side and the outer flow passage connecting passage 16 that enters the right side respectively, thereby improved the flexible precision of control, enlarged the cross section regulation range of the type Vortex Layer hub.
The utility model patent is at the needs of following turbosupercharger to variable-area turbine, finish the exploitation of double feed inlet double-layer channel variable-section turbine control device in the double-layer channel variable-section turbine, effectively utilized the spatial variations of the inside and outside runner of double feed inlet turbine case to control exhaust energy.This model utility control adds to be protected simply, and controlling method is reliable, and the gas flow modulation scope is big, does not have complicated transmission control device.