CN204663659U - A kind of two-stage supercharger - Google Patents
A kind of two-stage supercharger Download PDFInfo
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- CN204663659U CN204663659U CN201520290024.5U CN201520290024U CN204663659U CN 204663659 U CN204663659 U CN 204663659U CN 201520290024 U CN201520290024 U CN 201520290024U CN 204663659 U CN204663659 U CN 204663659U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses a kind of two-stage supercharger, comprises split type switching valve, turbine shroud outlet pipe arrangement, compressor housings entrance pipe arrangement, split type safety check; Turbine, turbine shaft, bearing housing, compressor impeller; Turbine shroud, compressor housings, exhaust gas by-pass valve, final controlling element; Turbine shroud is divided into low speed and high-speed turbine housing chamber by turbine shroud dividing strip; Compressor housings is divided into low speed and high-speed compressor body cavity by compressor housings dividing strip; 2 turbine shafts turn on the contrary, and exhaust gas by-pass valve is contained on turbine shroud low speed pressurised exhaust gas entrance pipe; By adopting two turbine shaft opposite directions to rotate, the turbine sense of rotation in low speed pressurizing area and high-speed boosting region is contrary; The compressor impeller sense of rotation in low speed pressurizing area and high-speed boosting region is contrary, the structural design realizing employing integral type turbine shroud, compressor housings and a gas exhaust manifold is arranged, greatly can save space, solve the problem being unfavorable for engine arrangement; By the split type switching valve final controlling element of exhaust gas by-pass valve and saving a high-speed boosting region, manufacture cost can be reduced.
Description
Technical field
The utility model belongs to pressurized machine technical field, relates to a kind of two-stage supercharger, and the space being specially adapted to the two-stage supercharger of motor car engine is arranged.
Background technique
Existing two-step supercharging system is the two-step supercharging system of two pressurized machine parallel connections; Comprise low-speed region first pressurized machine 10 and high-speed region second pressurized machine 20, exhaust gas entrance pipe arrangement 30, split type switching valve 31, split type switching valve final controlling element 32, turbine shroud outlet pipe arrangement 40, compressor housings entrance pipe arrangement 50, compressor housings outlet pipe arrangement 60, split type safety check 61; Low-speed region first pressurized machine 10 and the parallel connection of high-speed region second pressurized machine 20; Low speed pressurized machine 10 comprises turbine 11, turbine shroud 12, turbine shaft 13, bearing housing 14, compressor impeller 15, compressor housings 16, exhaust gas by-pass valve 17 and drives the final controlling element 18 of exhaust gas by-pass valve; High speed pressurized machine 20 comprises turbine 21, turbine shroud 22, turbine shaft 23, bearing housing 24, compressor impeller 25, compressor housings 26, exhaust gas by-pass valve 27 and drives the final controlling element 28 of exhaust gas by-pass valve; Exhaust gas entrance pipe arrangement 30 is connected with turbine shroud 12 entrance pipe of low-speed region pressurized machine 10, is connected in parallel with turbine shroud 22 entrance pipe of high-speed region second pressurized machine 20 simultaneously; Exhaust gas by-pass valve 17 is arranged on turbine shroud 12 entrance pipe, and exhaust gas by-pass valve 27 is arranged on turbine shroud 22 entrance pipe; Exhaust gas entrance pipe arrangement 30 is communicated with turbine shroud 22 entrance pipe of the second pressurized machine 20, pipeline is configured with split type switching valve 31, split type switching valve final controlling element 32; Compressor housings outlet pipe arrangement 60 is connected with compressor housings 16 export pipeline of low-speed region pressurized machine 10, is connected in parallel with compressor housings 26 export pipeline of high-speed region second pressurized machine 20 simultaneously; The supercharging malleation that exhaust gas bypass final controlling element 18, exhaust gas bypass final controlling element 28 utilize high-speed boosting device or utilize motor to provide negative pressure to control the aperture of exhaust gas by-pass valve 17, exhaust gas by-pass valve 27; Compressor housings outlet pipe arrangement 60 place is configured with split type safety check 61; Split type safety check 61 controls by supercharging positive pressure or by the power-actuated pneumatic actuator of motor negative pressure; The turbine shaft 13 of low speed pressurized machine 10 is identical with turbine shaft 23 sense of rotation of high speed pressurized machine 20, and turbine 11 is identical with turbine 21 sense of rotation; Compressor impeller 15 is identical with compressor impeller 25 sense of rotation.
When motor works at low-speed region, split type switching valve 31 and split type safety check 61 are closed, and high-speed region pressurized machine 20 is in closed condition; Low-speed region pressurized machine 10 is in open state, low speed pressurized machine work, and waste gas enters turbine shroud 12 by exhaust gas entrance pipe arrangement 30, drive turbine shaft 13 and coaxial on compressor impeller 15, generation pressurized air compressor housings 16 in; Pressurized air exports compressor housings outlet pipe arrangement 60 to from compressor housings 16.
When motor works at high-speed region, split type switching valve 31 and split type safety check 61 are opened; Low-speed region pressurized machine 10 and high-speed region pressurized machine 20 are in open state simultaneously, waste gas enters turbine shroud 12, turbine shroud 22 by exhaust gas entrance pipe arrangement 30, drive turbine shaft 13, turbine shaft 23 and compressor impeller 15, compressor impeller 25, driving low-speed region pressurized machine 10, high-speed region pressurized machine 20 work simultaneously, in compressor housings 16, compressor housings 26, generate pressurized air, pressurized air exports compressor housings outlet pipe arrangement 60 to from compressor housings 16, compressor housings 26.
Existing two-stage supercharger comprises 2 turbine shrouds, 2 compressor housings, 2 exhaust gas by-pass valves, 3 final controlling element; The two-step supercharging system of two pressurized machine parallel connections takes up room greatly, and motor is difficult to arrange; Exhaust gas entrance pipe arrangement 30, split type switching valve 31, split type switching valve final controlling element 32, turbine shroud outlet pipe arrangement 40, compressor housings entrance pipe arrangement 50, compressor housings outlet pipe arrangement 60 connect complexity, and cost is high.
Summary of the invention
The utility model discloses a kind of two-stage supercharger, high to solve pressurized machine cost in prior art, takes up space large, is unfavorable for the problems such as engine arrangement.
The utility model comprises split type switching valve, turbine shroud outlet pipe arrangement, compressor housings entrance pipe arrangement, split type safety check, 2 turbines, 2 turbine shafts, 2 bearing housinges, 2 compressor impellers, 1 turbine shroud, 1 compressor housings, 1 exhaust gas by-pass valve, 2 final controlling element; Turbine shroud have 1 exhaust gas entrance, 1 low speed pressurizing area waste gas outlet, 1 high-speed boosting zone off gas outlet; Compressor housings have 1 air outlet, 1 low speed pressurizing area air intake, 1 high-speed boosting region air intake; Turbine shroud outlet pipe arrangement is connected with turbine shroud low speed pressurizing area waste gas outlet, high-speed boosting zone off gas export pipeline; Compressor housings entrance pipe arrangement is connected with compressor housings low speed pressurizing area air intake, high-speed boosting region air intake pipeline; Turbine shroud comprises 1 dividing strip, compressor housings comprises 1 dividing strip, turbine shroud is divided into low speed turbine case body cavity and high-speed turbine housing chamber by the dividing strip of turbine shroud, and the exhaust gas entrance of turbine shroud is separated into low speed pressurizing area enters gas passage, high-speed boosting region enters gas passage; Compressor housings is divided into low speed compressor body cavity and high-speed compressor body cavity by the dividing strip of compressor housings, and the air outlet of compressor housings is separated into low speed pressurizing area outlet passageway, high-speed boosting region outlet passageway; 2 turbine shafts are arranged in 2 bearing housinges respectively; Turbine is installed in each turbine shaft one end, and the other end installs compressor impeller; First turbine is installed in the low speed turbine case body cavity of turbine shroud; Second turbine is installed in the high-speed turbine housing chamber of turbine shroud; First compressor impeller is installed in the low speed compressor body cavity of compressor housings; Second compressor impeller is installed in the high-speed compressor body cavity of compressor housings; The turbine shaft driving turbine in low speed turbine case body cavity is contrary with the turbine shaft sense of rotation driving turbine in high-speed turbine housing chamber, and 2 turbine sense of rotation are contrary; 2 compressor impeller sense of rotation are contrary; Exhaust gas by-pass valve is arranged on the low speed pressurizing area exhaust gas entrance pipeline of turbine shroud; Split type safety check is arranged in the high-speed boosting region outlet passageway of compressor housings; The high-speed boosting region that split type switching valve is arranged on turbine shroud enters on gas passage; First final controlling element is arranged on outside the low speed compressor body cavity of body of calming the anger, and is in transmission connection with exhaust gas by-pass valve; Second final controlling element is arranged on outside the high-speed compressor body cavity of body of calming the anger, and is in transmission connection with split type switching valve.
When split type switching valve cuts out, only low speed pressurizing area work, waste gas enters low speed turbine case body cavity by turbine shroud entrance; Pressurized air enters compressor housings outlet via compressor housings.
When switching valve is opened, low speed pressurizing area and high-speed boosting region work simultaneously, and waste gas enters low speed turbine case body cavity, high-speed turbine housing chamber by turbine shroud entrance; Pressurized air enters compressor housings outlet via low speed compressor body cavity and high-speed compressor body cavity.
The utility model advantage is: by adopting two turbine shaft opposite directions to rotate, the turbine sense of rotation in low speed pressurizing area and high-speed boosting region is contrary; The compressor impeller sense of rotation in low speed pressurizing area and high-speed boosting region is contrary, the structural design realizing employing integral type turbine shroud, compressor housings and a gas exhaust manifold is arranged, greatly can save space, solve the problem being unfavorable for engine arrangement; By the split type switching valve final controlling element of exhaust gas by-pass valve and saving a high-speed boosting region, manufacture cost can be reduced.
Accompanying drawing explanation
Fig. 1: be existing structure schematic diagram;
Fig. 2: be the utility model structural representation;
In figure: 10 low-speed region pressurized machines, 11 turbines, 12 turbine shrouds, 13 turbine shafts, 14 bearing housinges, 15 compressor impellers, 16 compressor housings, 17 exhaust gas by-pass valves, 18 final controlling element, 20 high-speed region pressurized machines, 21 turbines, 22 turbine shrouds, 23 turbine shafts, 24 bearing housinges, 25 compressor impellers, 26 compressor housings, 27 exhaust gas by-pass valves, 28 final controlling element, 30 turbine shroud entrance pipe arrangements, 31 split type switching valves, 32 final controlling element, 40 turbine shroud outlet pipe arrangements, 50 compressor housings entrance pipe arrangements, 60 compressor housings outlet pipe arrangements, 61 split type safety check, 72 turbine shrouds, 76 compressor housings, dividing strip 72c, 72a low speed turbine case body cavity, 72b high-speed turbine housing chamber, dividing strip 76c, 76a low speed compressor body cavity, 76b high-speed compressor body cavity.
embodiment:
The utility model embodiment is described in detail below in conjunction with accompanying drawing.
The utility model comprises split type switching valve, turbine shroud outlet pipe arrangement, compressor housings entrance pipe arrangement, split type safety check, 2 turbines, 2 turbine shafts, 2 bearing housinges, 2 compressor impellers, 1 turbine shroud, 1 compressor housings, 1 exhaust gas by-pass valve, 2 final controlling element.
First embodiment be as shown in Figure 2: comprise turbine 11, turbine shaft 13, bearing housing 14, compressor impeller 15, exhaust gas by-pass valve 17, final controlling element 18, turbine 21, turbine shaft 23, bearing housing 24, compressor impeller 25, final controlling element 28, split type switching valve 31, turbine shroud outlet pipe arrangement 40, compressor housings entrance pipe arrangement 50, split type safety check 61, turbine shroud 72, compressor housings 76; Turbine shroud 72 have 1 exhaust gas entrance, 1 low speed pressurizing area waste gas outlet, 1 high-speed boosting zone off gas outlet; Compressor housings 76 have 1 air outlet, 1 low speed pressurizing area air intake, 1 high-speed boosting region air intake; Low speed pressurizing area waste gas outlet, the high-speed boosting zone off gas export pipeline of turbine shroud outlet pipe arrangement 40 and turbine shroud 72 are connected; Low speed pressurizing area air intake, the high-speed boosting region air intake pipeline of compressor housings entrance pipe arrangement 50 and compressor housings 76 are connected; Turbine shroud 72 comprises 1 dividing strip 72c, compressor housings 76 comprises 1 dividing strip 76c, turbine shroud 72 is divided into low speed turbine case body cavity 72a and high-speed turbine housing chamber 72b by dividing strip 72c, and the exhaust gas entrance of turbine shroud is separated into low speed pressurizing area enters gas passage, high-speed boosting region enters gas passage; Compressor housings 76 is divided into low speed compressor body cavity 76a and high-speed compressor body cavity 76b by dividing strip 76c, and the air outlet of compressor housings is separated into low speed pressurizing area outlet passageway, high-speed boosting region outlet passageway; Turbine shaft 13 is arranged in bearing housing 14; Turbine shaft 23 is arranged in bearing housing 24; Turbine 11 is installed in turbine shaft 13 one end, and the other end installs compressor impeller 15; Turbine 21 is installed in turbine shaft 23 one end, and the other end installs compressor impeller 25; Turbine 11 is installed in the low speed turbine case body cavity 72a of turbine shroud 72; Turbine 21 is installed in the high-speed turbine housing chamber 72b of turbine shroud 72; Compressor impeller 15 is installed in the low speed compressor body cavity 76a of compressor housings 76; Compressor impeller 25 is installed in the high-speed compressor body cavity 76b of compressor housings 76; Split type safety check 61 is arranged in the high-speed boosting region outlet passageway of compressor housings 76; Drive the turbine shaft 13 of turbine 11 in low speed turbine case body cavity 72a and drive turbine shaft 23 sense of rotation of turbine 21 in high-speed compressor body cavity 76b contrary, turbine 11 is contrary with turbine 21 sense of rotation; Compressor impeller 15 is contrary with compressor impeller 25 sense of rotation; Exhaust gas by-pass valve 17 is arranged on the low speed pressurizing area exhaust gas entrance pipeline of turbine shroud 72; The high-speed boosting region that split type switching valve 31 is arranged on turbine shroud 72 enters on gas passage; Final controlling element 18 is arranged on outside the low speed compressor body cavity 76a of compressor housings 76, and final controlling element 18 and exhaust gas by-pass valve 17 are in transmission connection; Final controlling element 28 is arranged on outside the high-speed compressor body cavity high-speed compressor body cavity 76b of compressor housings, and final controlling element 28 and split type switching valve 31 are in transmission connection.
When switching valve 31 cuts out, only low speed pressurizing area work, waste gas enters low speed turbine case body cavity 72a by turbine shroud entrance; Pressurized air enters compressor housings outlet via compressor housings 76.
When switching valve 31 is opened, low speed pressurizing area and high-speed boosting region work simultaneously, and waste gas enters low speed turbine case body cavity 72a, high-speed turbine housing chamber 72b by turbine shroud entrance; Pressurized air enters compressor housings outlet via low speed compressor body cavity 76a and high-speed compressor body cavity 76b.
Listed a series of detailed descriptions are only illustrating for the utility model feasibility mode of execution; they are also not used to limit protection domain of the present utility model, all do not depart from the utility model equivalent implementations of doing of essence or change all should be included within protection domain of the present utility model.
Claims (1)
1. a two-stage supercharger, comprises split type switching valve, turbine shroud outlet pipe arrangement, compressor housings entrance pipe arrangement, split type safety check, 2 turbines, 2 turbine shafts, 2 bearing housinges, 2 compressor impellers; It is characterized in that: comprise 1 turbine shroud, 1 compressor housings, 1 exhaust gas by-pass valve, 2 final controlling element; Turbine shroud have 1 exhaust gas entrance, 1 low speed pressurizing area waste gas outlet, 1 high-speed boosting zone off gas outlet; Compressor housings have 1 air outlet, 1 low speed pressurizing area air intake, 1 high-speed boosting region air intake; Turbine shroud outlet pipe arrangement is connected with turbine shroud low speed pressurizing area waste gas outlet, high-speed boosting zone off gas export pipeline; Compressor housings entrance pipe arrangement is connected with compressor housings low speed pressurizing area air intake, high-speed boosting region air intake pipeline; Turbine shroud comprises 1 dividing strip, compressor housings comprises 1 dividing strip, turbine shroud is divided into low speed turbine case body cavity and high-speed turbine housing chamber by the dividing strip of turbine shroud, the exhaust gas entrance of turbine shroud is separated into low speed pressurizing area enters gas passage, high-speed boosting region enters gas passage; Compressor housings is divided into low speed compressor body cavity and high-speed compressor body cavity by the dividing strip of compressor housings, the air outlet of compressor housings is separated into low speed pressurizing area outlet passageway, high-speed boosting region outlet passageway; 2 turbine shafts are arranged in 2 bearing housinges respectively; Turbine is installed in each turbine shaft one end, and the other end installs compressor impeller; First turbine is installed in the low speed turbine case body cavity of turbine shroud; Second turbine is installed in the high-speed turbine housing chamber of turbine shroud; First compressor impeller is installed in the low speed compressor body cavity of compressor housings; Second compressor impeller is installed in the high-speed compressor body cavity of compressor housings; Split type safety check is arranged in the high-speed boosting region outlet passageway of compressor housings; The turbine shaft driving turbine in low speed turbine case body cavity is contrary with the turbine shaft sense of rotation driving turbine in high-speed turbine housing chamber, and 2 turbine sense of rotation are contrary; 2 compressor impeller sense of rotation are contrary; Exhaust gas by-pass valve is arranged on the low speed pressurizing area exhaust gas entrance pipeline of turbine shroud; The high-speed boosting region that split type switching valve is arranged on turbine shroud enters on gas passage; First final controlling element is arranged on outside the low speed compressor body cavity of body of calming the anger, and is in transmission connection with exhaust gas by-pass valve; Second final controlling element is arranged on outside the high-speed compressor body cavity of body of calming the anger, and is in transmission connection with split type switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520290024.5U CN204663659U (en) | 2015-05-07 | 2015-05-07 | A kind of two-stage supercharger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520290024.5U CN204663659U (en) | 2015-05-07 | 2015-05-07 | A kind of two-stage supercharger |
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| CN204663659U true CN204663659U (en) | 2015-09-23 |
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| CN201520290024.5U Active CN204663659U (en) | 2015-05-07 | 2015-05-07 | A kind of two-stage supercharger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806343A (en) * | 2015-05-07 | 2015-07-29 | 长春富奥石川岛增压器有限公司 | Two-stage pressurizer |
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- 2015-05-07 CN CN201520290024.5U patent/CN204663659U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806343A (en) * | 2015-05-07 | 2015-07-29 | 长春富奥石川岛增压器有限公司 | Two-stage pressurizer |
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