CN108350799A - Motor compressor with bypass valve - Google Patents
Motor compressor with bypass valve Download PDFInfo
- Publication number
- CN108350799A CN108350799A CN201680062235.0A CN201680062235A CN108350799A CN 108350799 A CN108350799 A CN 108350799A CN 201680062235 A CN201680062235 A CN 201680062235A CN 108350799 A CN108350799 A CN 108350799A
- Authority
- CN
- China
- Prior art keywords
- valve
- compressor
- motor
- motor compressor
- component
- 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
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D23/00—Controlling engines characterised by their being supercharged
- F02D23/02—Controlling engines characterised by their being supercharged the engines being of fuel-injection type
-
- 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
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/32—Engines with pumps other than of reciprocating-piston type
- F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
-
- 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
- F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
-
- 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
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
- F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/08—EGR systems specially adapted for supercharged engines for engines having two or more intake charge compressors or exhaust gas turbines, e.g. a turbocharger combined with an additional compressor
-
- 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 a kind of component (1), including：Admission line (4) extends between air intake (11) and Thermal Motor (2)；Thermal Motor (2)；Motor compressor (5) is arranged on the admission line；The bypass loop (510) of the motor compressor；The bypass valve of the motor compressor (5) is arranged in the bypass loop (510)；The motor compressor (5) is configured to allow for controlling the bypass valve (52).
Description
Technical field
The present invention relates to motor compressor fields, and relate more specifically to include Thermal Motor and with bypass valve
The component of motor compressor.
Background technology
Within the scope of the invention, motor compressor be for make petrol engine, diesel engine, gas engine,
The device of ethanol engine supercharging, operates together with motor.More precisely, compressor includes the compression by motor drive
Machine impeller.
Motor compressor is placed on the admission line of internal combustion engine.Motor compressor plays identical as turbocharger
Effect, that is, increase engine in live gas admission pressure.
The purposes of motor compressor is contemplated for different needs, by heat under cold conditions entrance gas or
Decontamination is improved, from Whole Response time in engine air circuit is improved to increasing maximum engine torque or even heating power starts
The specific power of machine.
Regardless of the purposes imagined, it is required for setting bypass valve, to meet the needs of different, such as without using compression
Machine, protection compressor etc..
Now, it is not control control formula that can use two kinds of valve, passive valve and actively hair, passive valve, actively
Valve is pilot control formula.These aggressive valves allow the performance that bypass functionality is preferably controlled according to the purposes of compressor, to
Preferably manage and protect motor compressor.
The present disadvantage of these aggressive valves is it is difficult to compressor-associated control them under best feasible condition.They
It is required that on the one hand setting is exclusively used in the special management strategy of compressor in engine control computer, on the other hand it is arranged special
For the special management strategy of valve itself, each management strategy is communicated together correctly to judge the purposes of these components.So
After need that such engine control computer is arranged, have and be exclusively used in the entrance and exit of compressor and bypass valve, and
Complicated control framework.
Invention content
Therefore, the present invention is directed to by proposing that a kind of includes the engine system of the compressor with improved active bypass valve
It unites to overcome one or more disadvantages of the prior art.
For this purpose, the present invention proposes a kind of component comprising：
The admission line extended between air intake and Thermal Motor,
Thermal Motor,
The motor compressor being arranged on admission line,
The bypass loop of motor compressor,
The bypass valve of motor compressor is arranged in bypass loop,
Motor compressor is configured to allow for the control to bypass valve.
This integrated permission compressor controlled in motor compressor is synchronous with the better operation of bypass valve, and therefore
Make motor compressor that there is better efficiency.
According to one embodiment of present invention, bypass valve is valve chip valve, shutter-type valve or pneumatic operated valve.
According to one embodiment of present invention, control is realized by control device.
According to one embodiment of present invention, control device is integrated into the electronic device of motor compressor.
According to one embodiment of present invention, which includes exhaust gas recycling loop.
According to one embodiment of present invention, which includes the heat exchanger being arranged on admission line.
According to one embodiment of present invention, motor compressor is arranged in the upstream of heat exchanger and in the upstream of valve.
According to one embodiment of present invention, motor compressor is arranged in the downstream of heat exchanger and in the upstream of valve.
According to one embodiment of present invention, motor compressor is arranged in the downstream of heat exchanger and in the downstream of valve.
The invention further relates to purposes of the component according to the present invention in the internal combustion engine of motor vehicles.
Description of the drawings
By reading the description that is provided referring to exemplary drawings, other objects, features and advantages of the present invention will be by
It more fully understands and will more clearly show, in the accompanying drawings：
Fig. 1 is the schematic diagram of first embodiment according to the present invention；
Fig. 2 is the diagram of the result obtained using valve according to the present invention：In the case where using and not using compressor,
Fig. 2 a are compressor downstream pressures, and Fig. 2 b are the compressor horsepowers relative to valve position.
Specific implementation mode
The present invention relates to the Thermal Motors equipped with the motor compressor including bypass valve.Within the scope of the invention,
Motor compressor is air compressor, is positive displacement or is not positive displacement, and be, for example, centrifugation or it is radial, by
Motor drive, and purpose is that Thermal Motor is made to be pressurized.According to one embodiment of present invention, motor be asynchronous direct current or
Ac motor.
According to one embodiment of present invention, motor be variable reluctance motor (also referred to as SRM motor, SRM according to
English terminology is Switched Reluctance Motor (switched reluctance motor)).
According to another embodiment of the invention, motor is permanent magnet motor.
Within the scope of the invention, bypass valve (being also referred to as by-passing valve according to english term) is to allow to bypass or not bypass
The valve of motor compressor.More precisely, valve is arranged on the bypass duct of motor compressor.When valve is open, fluid flows into other
In the pipeline of road, when the valves are closed, fluid flows through motor compressor.
Fig. 1 shows one embodiment of the present of invention.Engine pack 1 is shown in the Fig. 1, is carried into air circuit
Admission line 4, motor vehicles internal combustion Thermal Motor 2 and motor compressor 5.
The engine 2 includes combustion chamber 3, and combustion chamber 3 includes multiple cylinders, such as the cylinder that quantity is four in figure, is used
In the mixture for receiving oxidant and fuel, such as gasoline or diesel oil is as fuel, and pure air or circulation air/gas mixing
Object is as oxidant.
Burning in cylinder causes engine 2 to do work.The operation of engine 2 is conventional：Gas enters in combustion chamber 3,
It is compressed in combustion chamber 3, burnt and is discharged in the form of being vented.
The engine 2, which has, to be connected to the entrance of admission line 4 and is connected to the outlet of exhausting loop 10.
The entrance 11 of admission line 4 define fresh air penetrate in component 1 by entrance, and exhausting loop 10
Outlet 12 limit exhaust from component 1 discharge by outlet.
Admission line 4 leads in inlet manifold 7, therefore inlet manifold 7 forms inlet box in the combustion chamber of engine 23.
Admission line 4 refers to the inlet channel for entering gas, and the flowing into gas is indicated by arrow F1, the channel
Between air intake 11 and engine 2.
According to one embodiment of present invention, admission line 4 includes the mechanical compressor 111 for entering gas, example
Turbocharger in this way.
According to one embodiment of present invention, admission line 4 includes heat exchanger 6, and cooling is allowed to enter gas, such as
Gas from mechanical compressor 111.Also " RAS (its reference " refroidisseur d'air are generally referred to by those skilled in the art as
De suralimentation (charger-air cooler) ") heat exchanger 6 have the function of cooling entering gas.Heat exchange
Device 6 ensures to enter the heat exchange between gas and the heat-transfer fluid of heat exchanger 6.In the exit of heat exchanger 6, the temperature of gas
Spend the temperature close to the heat-transfer fluid of heat exchanger 6.
According to one embodiment of present invention, in the upstream of the inlet manifold 7 for the gas in engine 2, air inlet pipe
Road 4 includes valve 8, which includes butterfly throttle, and function is adjusting gas flow, to adjust engine speed.The valve 8 by
(also referred to as ECU refers to the Engine according to english terminology to control unit of engine well known to those skilled in the art
Control Unit) it manipulates, and allow to adjust the air capacity being introduced into engine.
According to one embodiment of present invention, butterfly valve 8 is located at the upstream of motor compressor 5.
According to one embodiment of present invention, butterfly valve 8 is located at the downstream of motor compressor.
The outlet of engine 2 is formed by exhaust manifold 9.Exhaust manifold 9 is connected to the row for the part to form exhausting loop
Gas access or channel.
According to one embodiment of present invention, exhausting loop 10 include turbine 121, turbine 121 with for enter gas
The mechanical compressor 111 of body integrally rotates and turbocharger formed therewith.Turbine 121 is by from exhaust channel
The flowing of exhaust gas drive, exhaust is schematically shown by arrow F2.According to one embodiment, catalyst 122 is flowed through.
As shown in Figure 1, component 1 includes motor compressor 5.The compressor 5 is by motor drive.Motor compressor 5 is arranged
In the circuit of admission line 4.
In this first variant of the invention, motor compressor 5 is arranged in the upstream of heat exchanger 6, and comes from heat exchange
The gas of device 6 leads to the upstream of butterfly valve 8 subsequently into inlet manifold 7.
Another modification according to the present invention, motor compressor 5 are arranged in the upstream of mechanical compressor 111.
According to one embodiment of the modification, motor compressor 5 is arranged in the upstream of butterfly valve 8, in heat exchanger 6 and butterfly
Between shape valve 8.
Another modification according to the present invention, motor compressor 5 are arranged in the downstream of butterfly valve 8.
According to one embodiment of present invention, motor compressor 5 is integrated in the bypass loop 510 including pass devices 52
In (being also referred to as cicuit by-pass according to english term).The bypath system can then make motor compressor short-circuit.
Within the scope of the invention, the pass devices 52 be, for example, butterfly valve, valve chip valve, shutter-type valve, pneumatic operated valve or
Equivalent and compatible with the present invention valve of any other type.Bypass loop associated with pass devices 52 510 is usual
By close or open pass devices 52 allow the entrance gas circulation reached via admission line 4 by motor compressor or around
Cross motor compressor.
According to one embodiment of present invention, valve type pass devices 52 are arranged in the circuit different from motor compressor 5
In bypass loop 510, to when shunt valve 52 is closed, be directed to pipeline 511 into gas, motor compressor 5 is arranged in this
At pipeline 511.
According to one embodiment of present invention, pass devices are arranged on bypass duct, and motor compressor is arranged in
On main pipeline.
According to another embodiment of the invention, pass devices are arranged on main pipeline, and motor compressor is arranged in
On bypass duct.
According to another embodiment of the present invention, pass devices are arranged in main pipeline identical with motor compressor or shunt valve
On road, and additional valve is provided in bypass duct or main pipeline.
Therefore, in addition to transition stage or other than being not usually required to the stage using motor compressor 5, into gas in pipeline
It circulates in 510 and does not pass through motor compressor 5.
According to one embodiment of present invention, it when shunt valve 52 is opened, circulates and leads in pipeline 510 into gas
Cross motor compressor 5.
Within the scope of the invention, the control of bypass valve 52 is integrated in motor compressor 5.More precisely, electronic pressure
Contracting machine 5 includes at least part of the control electronic device of bypass valve 52.
The control of bypass valve is realized by the control device 53 of valve 52.
According to one embodiment of present invention, the control device 53 of valve 52 is arranged in the electronic device of compressor 1.
According to one embodiment of present invention, component includes exhaust gas recycling loop 9.The circuit includes for recycling gas
The heat exchanger 91 and recycle valve 90 of body, operation does not describe herein, because this is known to the skilled in the art.
Embodiment according to figure 1, recirculation circuit 9 are arranged at discharge duct 10 and lead to motor compressor 5
Upstream.
According to one embodiment of present invention, recirculation circuit 9 leads to the downstream of compressor.This germline according to the present invention
The operation of system is as follows.When starting motor compressor, compressor sends turn-off request to the bypass valve of compressor 5.Deactivating pressure
During the request of contracting machine, compressor sends the request for opening bypass valve.Start compressor refer to speed reference be not zero or
Higher than idling, deactivates and refer to that speed reference is zero or is idling magnitude.
According to one embodiment of present invention, pass through the consideration survey that sensor carries out for example as present on motor compressor
Amount and the measurement such as rotating speed, electric current, pressure or temperature, can make the compressor bypass valve for being integrated into motor compressor
Minimizing control becomes complicated.Therefore can ensure preferably to control compressor and compressor valve according to practical operation condition simultaneously
Door, and ensure the defencive function to these components.
Fig. 2 a and 2b show the result obtained using bypass valve according to the present invention.It is using and without using compressor
In the case of, Fig. 2 a are compressor downstream pressures, and Fig. 2 b are the compressor horsepowers relative to valve position.
These are the result is that obtained by the analog study that is carried out on 1.9L tGDI petrol engines, the gasoline engine
Machine is carried equipped with cooling low pressure exhaust recirculation circuit and motor compressor, the motor compressor positioned at upstream of compressor
Recycle valve.
Compressor and bypass valve are controlled based on simplified control law.During compressor start is asked, compressor connects
The request for increasing its rotary speed is received, and bypass valve receives turn-off request.On the contrary, ought no longer need to start compressor
When, compressor rotary speed request becomes idling and bypass valve receives open instructions.These results show that with by-passing valve
The better efficiency of compressor.These results also highlight the emerging of the control of the protection aspect integrated bypass valve for compressor
Interest, such as about pumping zones by limiting oil absorption.
The scope of the present invention is not limited to details given above, and allows the embodiment of many other particular forms, and
Without departing from the scope of the present invention.Therefore, the embodiment presented should be considered and be exemplary, and can not depart from
It modifies to it in the case of claim limited range.
Claims (10)
1. a kind of component (1), including
Admission line (4) extends between air intake (11) and Thermal Motor (2),
Thermal Motor (2),
Motor compressor (5) is arranged on the admission line,
The bypass loop (510) of the motor compressor,
The bypass valve of the motor compressor is arranged in the bypass loop (510),
The motor compressor (5) is configured to allow for the control to the bypass valve (52).
2. component (1) according to claim 1, wherein the bypass valve (52) is butterfly valve, valve chip valve, shutter-type
Valve or pneumatic operated valve.
3. the component (1) according to one in claim 1 to 2, wherein the control is realized by control device (53).
4. component (1) according to claim 3, wherein the control device (53) is integrated into the motor compressor (5)
Electronic device.
5. the component (1) according to one in Claims 1-4, including exhaust gas recycling loop (9).
6. the component (1) according to one in claim 1 to 5, including heat exchanger (6) are arranged in the air inlet
On pipeline (4).
7. component (1) according to claim 6, wherein the motor compressor (5) is arranged in the upper of the heat exchanger
Trip, and be arranged in into the upstream of the valve (8) in air circuit.
8. component (1) according to claim 6, wherein the motor compressor (5) is arranged under the heat exchanger
Trip, and be arranged in into the upstream of the valve (8) in air circuit.
9. component (1) according to claim 6, wherein the motor compressor (5) is arranged under the heat exchanger
Trip, and be arranged in into the downstream of the valve (8) in air circuit.
10. the component (1) described in a kind of one according in claim 1 to 9 is in the internal combustion engine for motor vehicles
Purposes.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1558375 | 2015-09-09 | ||
| FR1558375A FR3040743B1 (en) | 2015-09-09 | 2015-09-09 | ELECTRIC COMPRESSOR WITH BYPASS VALVE |
| PCT/EP2016/071266 WO2017042311A1 (en) | 2015-09-09 | 2016-09-09 | Electric compressor with bypass valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108350799A true CN108350799A (en) | 2018-07-31 |
Family
ID=55345907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680062235.0A Pending CN108350799A (en) | 2015-09-09 | 2016-09-09 | Motor compressor with bypass valve |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3347581A1 (en) |
| CN (1) | CN108350799A (en) |
| FR (1) | FR3040743B1 (en) |
| WO (1) | WO2017042311A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372628A (en) * | 2018-10-30 | 2019-02-22 | 东风商用车有限公司 | A kind of electronic pressurization realization Miller cycle diesel engine system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10245336A1 (en) * | 2002-09-27 | 2004-04-08 | Robert Bosch Gmbh | Combustion air compression device with integrated bypass device |
| JP4205069B2 (en) * | 2005-03-04 | 2009-01-07 | 株式会社日立製作所 | Variable capacity turbocharger for automotive internal combustion engine with variable wing turbine |
| FR2991725B1 (en) * | 2012-06-11 | 2017-12-15 | Valeo Systemes De Controle Moteur | ASSEMBLY COMPRISING A THERMAL MOTOR AND AN ELECTRIC COMPRESSOR |
| JP2014234808A (en) * | 2013-06-05 | 2014-12-15 | 日産自動車株式会社 | Device and method for exhaust gas recirculation of internal combustion engine with supercharger |
| FR3015563A1 (en) * | 2013-12-19 | 2015-06-26 | Valeo Sys Controle Moteur Sas | ASSEMBLY COMPRISING A THERMAL MOTOR AND AN ELECTRIC COMPRESSOR |
| FR3028288B1 (en) * | 2014-11-07 | 2018-02-23 | Valeo Systemes De Controle Moteur | ENGINE ASSEMBLY WITH ELECTRIC COMPRESSOR |
-
2015
- 2015-09-09 FR FR1558375A patent/FR3040743B1/en not_active Expired - Fee Related
-
2016
- 2016-09-09 WO PCT/EP2016/071266 patent/WO2017042311A1/en active Application Filing
- 2016-09-09 EP EP16763792.5A patent/EP3347581A1/en not_active Withdrawn
- 2016-09-09 CN CN201680062235.0A patent/CN108350799A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372628A (en) * | 2018-10-30 | 2019-02-22 | 东风商用车有限公司 | A kind of electronic pressurization realization Miller cycle diesel engine system |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3040743B1 (en) | 2020-03-20 |
| EP3347581A1 (en) | 2018-07-18 |
| WO2017042311A1 (en) | 2017-03-16 |
| FR3040743A1 (en) | 2017-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180731 |