CN106121807A - A kind of supercharger structure - Google Patents
A kind of supercharger structure Download PDFInfo
- Publication number
- CN106121807A CN106121807A CN201610769701.0A CN201610769701A CN106121807A CN 106121807 A CN106121807 A CN 106121807A CN 201610769701 A CN201610769701 A CN 201610769701A CN 106121807 A CN106121807 A CN 106121807A
- Authority
- CN
- China
- Prior art keywords
- turbine
- compressor
- casing
- pipeline
- electrically
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/16—Control of the pumps by bypassing charging air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/16—Control of the pumps by bypassing charging air
- F02B37/162—Control of the pumps by bypassing charging air by bypassing, e.g. partially, intake air from pump inlet to pump outlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
- F02B37/183—Arrangements of bypass valves or actuators therefor
-
- 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
Abstract
The present invention relates to supercharger art, disclose a kind of supercharger structure, including turbine and compressor, described turbine includes turbine casing, described compressor includes compressor casing, described turbine casing is provided with turbine air inlet and gas turbine exhaust mouth, described compressor casing is provided with compressor air inlet machine mouth and compressor air vent, described compressor air vent is for being connected with electromotor, it is communicated with pipeline between described turbine casing and described compressor casing, one end of described connecting pipeline is connected near described compressor exhaust ports with described compressor casing, its other end is connected at described turbine air inlet with described turbine casing, described connecting pipeline is provided with electrically-controlled valve.The present invention enables to the dynamic property of electromotor and preferably mates with economy.
Description
Technical field
The present invention relates to supercharger technical field, particularly relate to a kind of supercharger structure.
Background technology
Supercharger is to be compressed in advance before entering cylinder by air, then enters back into cylinder, to improve atmospheric density, increase
The device of air inflow.Supercharger is mainly made up of turbine and compressor etc., and turbine utilizes the exhaust energy that electromotor is discharged
Driving coaxial compressor to do work, compressor is driven by turbine and air is carried out supercharging.
The size of diesel engine low speed torque is often limited to the number of air inflow under low-speed conditions, in joined supercharger structure
Turbine is the least, and low speed air inflow is the biggest, is conducive to promoting low-speed big, but turbine diminishes and can bring conventional turning simultaneously
The rising of speed district's oil consumption, preferably but low speed torque is poor in big turbine high speed oil consumption.There is dynamic property and Economy Matching contradiction
Problem.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is how to improve the structure of supercharger so that the dynamic property of electromotor is with economical
Property is preferably mated.
(2) technical scheme
In order to solve above-mentioned technical problem, the present invention provides a kind of supercharger structure, including turbine and compressor, described
Turbine includes that turbine casing, described compressor include that compressor casing, described turbine casing are provided with turbine air inlet and turbine
Machine air vent, described compressor casing is provided with compressor air inlet machine mouth and compressor air vent, and described compressor air vent is used for and sends out
Motivation connects, and is communicated with pipeline between described turbine casing and described compressor casing, and one end of described connecting pipeline is with described
Compressor casing is connected near described compressor exhaust ports, and its other end and described turbine casing are near described turbine air inlet
Place is connected, and described connecting pipeline is provided with electrically-controlled valve.
Wherein, described connecting pipeline includes vertical pipeline and horizontal pipeline, described vertical pipeline and described compressor casing collection
Being integrally forming, and described compressor casing is provided with and the outlet branches of described vertical pipeline connection, described turbine casing is provided with and institute
State the import branch of horizontal pipeline connection.
Wherein, described electrically-controlled valve is located on described horizontal pipeline, and described electrically-controlled valve is electrically connected for the ECU with described electromotor
Connect.
Wherein, described electrically-controlled valve can be aperture valve or on-off valve.
(3) beneficial effect
Compared with prior art, the invention have the advantages that
A kind of supercharger structure that the present invention provides, on the basis of existing supercharger structure, uses in turbine casing and pressure
Arranging connecting pipeline between mechanism of qi shell, one end of described connecting pipeline and described compressor casing are near described compressor exhaust ports
Being connected, its other end is connected at described turbine air inlet with described turbine casing, can be compressed by a part of compressor
After gas be discharged into turbine by connecting pipeline before, be conducive to increase electromotor low speed admission pressure, reduce smoke intensity and
Row's temperature, in order to utilize this phenomenon, uses bigger turbine to realize preferable low speed torque, promotes dynamic property;Described connection
Pipeline is provided with electrically-controlled valve, can be realized the connection of compressor air vent and turbine air inlet by flexible break-make electrically-controlled valve, real
Now promote the purpose of diesel engine low speed torque.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of supercharger structure of the present invention;
In figure: 1: compressor casing;11: compressor air inlet machine mouth;12: compressor air vent;13: outlet branches;2: turbine
Shell;21: turbine air inlet;22: gas turbine exhaust mouth;23: import branch;3: connecting pipeline;4: electrically-controlled valve.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Following instance
For the present invention is described, but it is not limited to the scope of the present invention.
In describing the invention, it should be noted that term " " center ", " longitudinally ", " laterally ", " on ", D score,
Orientation or the position relationship of the instruction such as "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
The device or the element that show indication must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of the present invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected;Can
To be mechanical connection, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in invention.
As it is shown in figure 1, a kind of supercharger structure provided for the present invention, including turbine and compressor, described turbine
Including turbine casing 2, described compressor includes that compressor casing 1, described turbine casing 2 are provided with turbine air inlet 21 and turbine
Air vent 22, described compressor casing 1 is provided with compressor air inlet machine mouth 11 and compressor air vent 12, and compressor air inlet machine mouth 11 is used for leading to
Entering fresh air, described compressor air vent 12, for being connected with electromotor, enters electromotor by after compresses fresh air, does
After merit, the waste gas that electromotor is discharged enters in turbine from turbine air inlet 21, promotes turbine acting, remaining waste gas
Discharging from gas turbine exhaust mouth 22, in figure, arrow direction is air inlet or discharge directions;Described turbine casing 2 is calmed the anger with described
Being communicated with pipeline 3 between casing 1, one end of described connecting pipeline 3 and described compressor casing 1 are near described compressor air vent
Being connected at 12, its other end is connected at described turbine air inlet 21 with described turbine casing 2, the most permissible
The gas of compressor air vent 12 is introduced directly into turbine air inlet 21, is conducive to increasing the low speed admission pressure of electromotor,
Reduce smoke intensity and row's temperature, it is achieved promote the purpose of diesel engine low speed torque, it is also possible to realize the mesh of hot EGR (waste gas recirculation)
, can be used to promote engine low load delivery temperature;Described connecting pipeline 3 is provided with electrically-controlled valve 4, electrically-controlled valve 4 for
ECU (electronic control unit) electrical connection of described electromotor, ECU controls the break-make of electrically-controlled valve 4 according to engine operating condition and opens
Angle.
Preferably, pipeline is arranged for convenience, and described connecting pipeline 3 includes vertical pipeline and horizontal pipeline, described vertically
Pipeline becomes one with described compressor casing 1, uses integrated form design, and compact conformation, engine arrangement is unaffected;And institute
Stating compressor casing 1 to be provided with and the outlet branches 13 of described vertical pipeline connection, described turbine casing 2 is provided with and described horizontal pipeline
The import branch 23 of connection, thus facilitate connecting pipeline 3 to be connected with compressor casing 1 and turbine casing 2.
In order to optimize layout, described electrically-controlled valve 4 is preferably disposed on described horizontal pipeline, convenient operation, certainly, and electrically-controlled valve 4
The optional position of connecting pipeline 3 can also be arranged in.
Wherein, described electrically-controlled valve 4 can be aperture valve or on-off valve, it is possible to realizes bi-directional venting, such as, can also will enter
The waste gas of the heat entering turbine enters compressor, promotes engine low load delivery temperature.
Specifically, described turbine case is provided with turbine wheel, described compressor casing 1 is provided with compressor active wheel, institute
State turbine wheel to be coaxially disposed with compressor active wheel, compressor active wheel described in turbine wheel drive rotate acting,
It is compressed air.
As can be seen from the above embodiments, the present invention is by improving supercharger structure so that the dynamic property of electromotor and warp
Ji property is preferably mated, wide market, high financial profit.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (4)
1. a supercharger structure, including turbine and compressor, described turbine includes that turbine casing, described compressor include
Compressor casing, described turbine casing is provided with turbine air inlet and gas turbine exhaust mouth, and described compressor casing is provided with compressor and enters
QI KOU and compressor air vent, described compressor air vent is for being connected with electromotor, it is characterised in that described turbine casing and
Being communicated with pipeline between described compressor casing, one end of described connecting pipeline is arranged near described compressor with described compressor casing
Being connected at QI KOU, its other end is connected at described turbine air inlet with described turbine casing, and described connecting pipeline sets
There is electrically-controlled valve.
Supercharger structure the most according to claim 1, it is characterised in that described connecting pipeline includes vertical pipeline and level
Pipeline, described vertical pipeline becomes one with described compressor casing, and described compressor casing is provided with described vertical pipeline even
Logical outlet branches, described turbine casing is provided with and the import branch of described horizontal pipeline connection.
Supercharger structure the most according to claim 2, it is characterised in that described electrically-controlled valve is located on described horizontal pipeline,
Described electrically-controlled valve is for electrically connecting with the ECU of described electromotor.
Supercharger structure the most according to claim 1, it is characterised in that described electrically-controlled valve is aperture valve or on-off valve.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610769701.0A CN106121807A (en) | 2016-08-30 | 2016-08-30 | A kind of supercharger structure |
PCT/CN2017/076802 WO2018040538A1 (en) | 2016-08-30 | 2017-03-15 | Intake and exhaust structure and control strategy for increasing low-speed torque of engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610769701.0A CN106121807A (en) | 2016-08-30 | 2016-08-30 | A kind of supercharger structure |
Publications (1)
Publication Number | Publication Date |
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CN106121807A true CN106121807A (en) | 2016-11-16 |
Family
ID=57275689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610769701.0A Pending CN106121807A (en) | 2016-08-30 | 2016-08-30 | A kind of supercharger structure |
Country Status (1)
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CN (1) | CN106121807A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018040538A1 (en) * | 2016-08-30 | 2018-03-08 | 潍柴动力股份有限公司 | Intake and exhaust structure and control strategy for increasing low-speed torque of engine |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5724813A (en) * | 1996-01-26 | 1998-03-10 | Caterpillar Inc. | Compressor by-pass and valving for a turbocharger |
CN1573055A (en) * | 2003-05-20 | 2005-02-02 | 株式会社小松制作所 | Internal combustion engine having gas supply bypass control apparatus |
GB2442794A (en) * | 2006-10-11 | 2008-04-16 | Bentley Motors Ltd | I.c. engine turbocharger with electric motor drive |
CN101331302A (en) * | 2005-12-20 | 2008-12-24 | 博格华纳公司 | Controlling exhaust gas recirculation in a turbocharged compression-ignition engine system |
-
2016
- 2016-08-30 CN CN201610769701.0A patent/CN106121807A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5724813A (en) * | 1996-01-26 | 1998-03-10 | Caterpillar Inc. | Compressor by-pass and valving for a turbocharger |
CN1573055A (en) * | 2003-05-20 | 2005-02-02 | 株式会社小松制作所 | Internal combustion engine having gas supply bypass control apparatus |
CN101331302A (en) * | 2005-12-20 | 2008-12-24 | 博格华纳公司 | Controlling exhaust gas recirculation in a turbocharged compression-ignition engine system |
GB2442794A (en) * | 2006-10-11 | 2008-04-16 | Bentley Motors Ltd | I.c. engine turbocharger with electric motor drive |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018040538A1 (en) * | 2016-08-30 | 2018-03-08 | 潍柴动力股份有限公司 | Intake and exhaust structure and control strategy for increasing low-speed torque of engine |
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Application publication date: 20161116 |
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