CN109931189A - The water injection equipment and internal combustion engine of internal combustion engine - Google Patents
The water injection equipment and internal combustion engine of internal combustion engine Download PDFInfo
- Publication number
- CN109931189A CN109931189A CN201811406239.3A CN201811406239A CN109931189A CN 109931189 A CN109931189 A CN 109931189A CN 201811406239 A CN201811406239 A CN 201811406239A CN 109931189 A CN109931189 A CN 109931189A
- Authority
- CN
- China
- Prior art keywords
- water
- locking device
- internal combustion
- combustion engine
- water injection
- 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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0221—Details of the water supply system, e.g. pumps or arrangement of valves
-
- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/025—Adding water
-
- 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 water injection equipment of internal combustion engine, including at least one water ejector (2), for moisture to be fitted on to the substantially tubular shape water distributing equipment (5) of the water ejector (5), wherein, the water distributing equipment (5) has first end (5a) and the second end (5b), and there is the first locking device (3) and the second locking device (4), wherein, first locking device (3) closes the first end (5a), and, second locking device (4) closes the second end (5b), wherein, first locking device (3) has the first water swivel (6).
Description
Technical field
The present invention relates to a kind of water injection equipment of internal combustion engine and this internal combustion engines.
Background technique
Due to the requirement to the raising for reducing CO2 emission, internal combustion engine is optimised increasingly in terms of fuel consumption.
It is well known, however, that internal combustion engine cannot optimally be run in terms of consumption in the operating point with top load because it is described operation by
Pinking tendency and high exhaust gas temperature limit.Here, for reducing pinking tendency and for reducing the possibility measure of exhaust gas temperature
It is the injection of water.Here, the independent water injection system for example as known to 2014/080266 A1 of WO.Make in vehicle internal combustion engine
May occur when with water injection equipment: vehicle is parked in the chill point of water temperature below, so that there are following danger: in water
Water in spraying system freezes.For that purpose it is necessary to take measures, freeze to avoid this, it is described to freeze to be possible especially in pipeline area
Occur in domain and water distributing equipment.In addition, being worth pursuing, because water injection equipment is mass component, institute in the car
To have cost advantages in production.
Summary of the invention
In contrast, have the advantage that can be to avoid may go out for the water injection equipment of internal combustion engine according to the present invention
The existing, result as freezing in water distributing equipment.In addition, one kind that the present invention can be realized water injection equipment is simple
, design at low cost and particularly flexible, make it possible to for the water injection equipment being adapted in a simple manner for example various
The different internal combustion engines of vehicular manufacturer.According to the present invention, this is realized by a kind of water injection equipment, which has extremely
The water distributing equipment of a few water ejector and a tubulose for moisture to be fitted on to water ejector.The moisture of the tubulose is arranged
It is standby that there are the first and second ends and the first and second locking devices.Here, the first locking device closing water distributing equipment
First end, also, the second end of the second locking device closing water distributing equipment.Here, being arranged on the first locking device
Have for deliver water into water distributing equipment and/or by water from water distributing equipment derived first water swivel.Therefore, with letter
Single mode can be adapted to the position of water distributing equipment and water ejector.Here, the first and second locking devices can by with
Make standard element.It can the realization when being laid out water injection equipment by being integrated in water swivel on the locking device of water distributing equipment
Flexibility as highest as possible.Furthermore, it is possible to be arranged on locking device by water swivel to guarantee, in the feelings that internal combustion engine is turned off
Under condition, water can be flowed out from water distributing equipment and therefore from the peripheral region of water ejector, to avoid water there
Freeze, because the danger of expensive water ejector damage is the largest herein.In addition, water dispenser equipment guarantees, such as decline
Subtract and the pressure fluctuation being likely to occur is run by water pump or similar device, allows to avoid passing through this pressure fluctuation damage
Bad water ejector.
Illustrate preferred expansion scheme of the invention below.
It is particularly preferred that the first water swivel is arranged in the fringe region of the bottom of the locking device on the first locking device
Place.The first locking device is being reversed at the position in the tubulated ends of water distributing equipment as a result, and water swivel is along desired side
To being directed.Thus, it is possible to realize the different geometry knots for being sprayed against equipment and being correspondingly adapted to internal combustion engine in a simple manner
Structure.
It is particularly preferred that the first water swivel is arranged on water distributing equipment under the final assembled state of the first locking device
The position minimum along gravitation direction at.Thereby guarantee that, by be arranged on water distributing equipment in lowest position,
Water can automatically be flowed out from water distributing equipment when turning off water injection equipment, and not need suction water or similar behaviour thus
Make.Therefore, water can automatically, only be flowed out from water distributing equipment by gravitational effect.
Another preferred configuration according to the present invention, the second locking device for closing the second end of water distributing equipment have
Second water swivel.Therefore, water injection equipment is on water distributing equipment respectively on the first and second ends of the water distributing equipment
With the first and second water swivels.Thus, it is possible to king-sized flexibility is realized in terms of the design layout of water injection equipment.It answers
Note that it is preferred that a water swivel in the water swivel be also possible to it is closed.
It is particularly preferred that the first and second locking devices construct in the same manner on geometry.It is possible thereby to realize life
Advantage and assembly advantage are produced, because can be realized the lower production of cost since increased general part quantity increases.It is assembling
Aspect should be noted that can be to avoid the mistake assembly of locking device by general part.
Preferably, between the first locking device and water distributing equipment and/or in the second locking device and water distributing equipment
Between be provided with welded connecting.The welded connecting provides reliable and sealing the company between locking device and water distributing equipment
It connects.According to the material of water distributing equipment and locking device, welded connecting can be friction welding connection or laser welding connection or
Ultrasonic welding connection etc..
The configuration of a substitution according to the present invention, in water distributing equipment and the first locking device and/or the second closing dress
The sealed connection of shape is configured between setting.In addition, sealing element be arranged in herein corresponding locking device and water distributing equipment it
Between.It is possible thereby to realize a kind of reliable sealing.The sealed connection of shape can for example be matched by the way that locking device is clamped to moisture
It is realized on the end of equipment.Particularly preferably, the first locking device and/or the second locking device are rotatably disposed at water herein
On distributing equipment.First and/or can also be also realized in the case where water injection equipment is already installed on internal combustion engine as a result,
The orientation of two locking devices and especially water swivel.Therefore, it also can be realized water when being sprayed against equipment and being assemblied on internal combustion engine
The independent adaptation of connector positioning, it is possible thereby to further increase flexibility.
Water distributing equipment and/or locking device are preferably manufactured by plastics or metal.Alternatively, also can be used it is arbitrary its
Its material.Plastics have the advantage that herein usually can the low-down manufacturing method of cost of implementation.Water distributing equipment is for example
It can be manufactured by metal material, also, locking device can be made from a plastic material.
In addition, the internal combustion engine includes water injection equipment according to the present invention the present invention relates to a kind of internal combustion engine.
Here, water injection equipment can be set in one or more jet chambers for ejecting water to internal combustion engine.?
This, for example, cylinder of internal combustion engine combustion chamber or at least one air inlet pipe be considered as jet chamber, wherein each cylinder preferably has
Just what a jet chamber.
Detailed description of the invention
The present invention is illustrated according to preferred embodiment with reference to the accompanying drawing.In the accompanying drawings, the identical component of function respectively with
Identical appended drawing reference is indicated.Here it is shown that:
Fig. 1 shows the explanatory view of the simplification of the internal combustion engine with water injection equipment according to first embodiment,
Fig. 2 shows the three-dimensional view of the water distributing equipment with water ejector according to first embodiment,
Fig. 3 shows the schematical section view of the end regions of the water distributing equipment of Fig. 2 with longitudinal section,
Fig. 4 is illustrated in cross-section the schematical section view of the end regions of the water distributing equipment of Fig. 2,
Fig. 5 shows the schematical perspective representation of water distributing equipment, and the water distributing equipment is real with according to the present invention second
The water ejector of the water injection equipment of example is applied, and
Fig. 6 shows the schematical longitudinal cross-section view of the end regions of the water distributing equipment of Fig. 5.
Specific embodiment
Explain the water injection equipment 1 of preferred first embodiment according to the present invention in detail referring to Fig. 1 to 4.
Fig. 1 shows the internal combustion engine 100 with water injection equipment 1 with simplified diagram, the water injection equipment by water directly
It is ejected into the jet chamber 70 of internal combustion engine 100.Here, jet chamber 70 for example can be air inlet pipe or be also possible to internal combustion engine
The combustion chamber of 100 cylinder.
Furthermore, it can be seen that being provided with the conveying equipment 92 in pump form such as from Fig. 1, which takes out from water tank 90
Water 10 and is conveyed to water distributing equipment 5 via pressure piping 11 by water suction.
Water distributing equipment 5 can be seen in detail from Fig. 2.Water distributing equipment 5 (rail) includes the distribution pipe of linear, in the reality
It applies in example, there are four water ejectors 2 for arrangement in the distribution pipe.Each water ejector 2 is provided for ejecting water to interior
In the combustion chamber of combustion engine 100.
Water distributing equipment 5 includes first end 5a and opposed the second end 5b.
As it can be seen that first end 5a is closed by the first locking device 3 such as from Fig. 2 and 3, also, the of water distributing equipment 5
Two end 5b are closed by the second locking device 4.
First and second locking devices 3,4 construct in the same manner.Here, the first locking device 3 has the first water swivel 6, and
And second locking device 4 have the second water swivel 7.
As from being seen in detail in Fig. 3, the sealed company of shape is configured between the first locking device 3 and water distributing equipment 5
Connect 8.Here, the first locking device 3 has slot 8a, the cyclic lug 8b interlocking on the first end 5a of distributor tube is constructed
Into the slot.In order to seal, it is provided with sealing element 11, such as O-ring.Second locking device is fixed in an identical manner.
It is further seen that, the first water swivel 6 is arranged in the marginal zone of the bottom 3a of the first locking device 3 such as from Fig. 3 and 4
At the 3b of domain.
As it is seen from figure 4 that, here, the first water swivel 6 is arranged in this wise on water distributing equipment 5, so that the first water connects
First 6 are parallel to gravitation direction G.As a result, as in Fig. 4 schematically shown in, turning off water injection equipment or interior
When combustion engine, the water 10 in water distributing equipment 5 can automatically be flowed out from water distributing equipment 5, this passes through arrow in Fig. 4
A is indicated.Thus prevent the water in water distributing equipment and especially in the join domain for leading to water ejector 2 from freezing, because of water
It can be flowed out from water distributing equipment 5 completely.
Therefore, production cost can be reduced, because the first and second locking devices can construct in the same manner.Furthermore, it is possible to
By setting tool, there are two the realizations of two locking devices of water swivel, and water is optimally supplied to water distributing equipment 5.Furthermore, it is possible to logical
It crosses the sealed connection 8 of shape the first and second locking devices 3,4 are rotatably arranged in the respective end of water distributing equipment 5,
Make it possible to directly be adapted to the position of the water swivel 6,7 of two locking devices 3,4 in the fitted state.Furthermore it is possible to pass through
Water swivel is reversed to the automatic-discharging for realizing water distributing equipment 5 towards the direction gravitation G, because of thus water swivel 6,7 always may be used
To be arranged at the lowermost extent of water distributing equipment 5.It, then can be with if you do not need to a water swivel in two water swivels 6,7
The water swivel is for example closed by plug or in other ways.
Therefore, it is fixed to can be realized independence of first and second locking devices 3,4 on water distributing equipment 5 according to the present invention
Position.Thus, it is possible to realize that being sprayed against equipment 1 independently adapts to different internal combustion engines, such as different vehicle in a simple manner
The internal combustion engine of manufacturer.Here, can and cost low land simple for different water distributing equipments 5 manufacture similar first and the
Two locking devices 3,4.In this embodiment, water distributing equipment 5 is cylindrical distributor tube.However, being also able to use other several
What shape is used for water distributing equipment 5.
Therefore, the danger of icing can be reduced significantly by the way that water swivel 6 to be integrated on locking device 3.In addition, thus
Also the simple layout of water distributing equipment 5 is obtained, because water swivel need not directly be arranged on water distributing equipment 5 herein, and
It is the attachment adapter tube or similar structures that must be only arranged for water ejector 2.Water swivel is always integrated into locking device 3,4.
Thus also can cost manufacture water distributing equipment 5 lower.
Figures 5 and 6 show the water injection equipment 1 of second embodiment according to the present invention.It is different from the first embodiment, second
In embodiment, it is configured with welding between water distributing equipment 5 and the first locking device 3 and between the second locking device 4 and connects
12 are connect to replace the sealed connection of shape.This is illustrated in detail in Fig. 6.In addition, 6 He of the first water swivel of the first locking device 3
The orientation of second water swivel 7 of the second locking device 4 is different.As can be seen from Fig. 5, the second water swivel 7 is parallel to gravitation
Direction G arrangement, and the first water swivel 6 is arranged at an angle of 90 relative to gravity direction G.This explanation, can arbitrarily carry out the first He
The positioning of second water swivel 6,7.Because in this embodiment, be welded to connect 12 settings locking device and water distributing equipment 5 it
Between, so the positioning of water swivel 6,7 must be implemented before manufacture is welded to connect 12 in a second embodiment.In first embodiment
Middle this respect is different, because also can also be real under the installation condition of water injection equipment by the sealed connection 8 of setting shape
The positioning of existing first and second water swivels 6,7, this is especially apparent to simplify and for example assembles the pressure piping 11 for being configured to hose
Dismounting work on to water swivel 6,7.
Therefore, the present invention can be realized water injection equipment 1 to the flexible adaptation of the different situations of internal combustion engine, and thus need not
Significantly improve the manufacturing cost of water injection equipment.
Claims (10)
1. a kind of water injection equipment of internal combustion engine, the water injection equipment include:
At least one water ejector (2),
For moisture to be fitted on to the water ejector (5), substantially tubular shape water distributing equipment (5), wherein the moisture
There is first end (5a) and the second end (5b) with equipment (5), and
- the first locking device (3) and the second locking device (4), wherein first locking device (3) closes the first end
Portion (5a), also, second locking device (4) closes the second end (5b),
Wherein, first locking device (3) has the first water swivel (6).
2. water injection equipment according to claim 1, wherein first water swivel (6) is arranged in first closing
At the fringe region (3b) of the bottom (3a) of device (3).
3. water injection equipment according to any one of the preceding claims, wherein first water swivel (6) is arranged in most
At the position minimum on gravitation direction (G) of the first locking device (3) assembled eventually.
4. water injection equipment according to any one of the preceding claims, wherein second locking device (4) has the
Two water swivels (7).
5. water injection equipment according to claim 4, wherein first locking device (3) and the second closing dress
(4) are set to construct in the same manner.
6. water injection equipment according to any one of the preceding claims, which is characterized in that in first locking device
(3) it is set between the water distributing equipment (5) and/or between second locking device (4) and the water distributing equipment (5)
It is equipped with welded connecting (12).
7. water injection equipment according to any one of claim 1 to 5, which is characterized in that in first locking device
(3) it is set between the water distributing equipment (5) and/or between second locking device (4) and the water distributing equipment (5)
It is equipped with the sealed connection (8) of shape, wherein sealing element (9) is arranged in first locking device and/or second locking device
Between the water distributing equipment (5).
8. water injection equipment according to claim 7, wherein first locking device (3) and/or second closing
Device (4) is arranged on the water distributing equipment (5) with being able to rotate.
9. water injection equipment according to claim 7 or 8, wherein the sealed connection of shape is to clamp connection.
10. a kind of internal combustion engine, the internal combustion engine includes water injection equipment according to any one of the preceding claims.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017220914.3A DE102017220914A1 (en) | 2017-11-23 | 2017-11-23 | Water injection device of an internal combustion engine |
| DE102017220914.3 | 2017-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109931189A true CN109931189A (en) | 2019-06-25 |
Family
ID=66336338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811406239.3A Pending CN109931189A (en) | 2017-11-23 | 2018-11-23 | The water injection equipment and internal combustion engine of internal combustion engine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109931189A (en) |
| DE (1) | DE102017220914A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125366A (en) * | 1990-10-11 | 1992-06-30 | Hobbs Cletus L | Water introduction in internal combustion engines |
| US20090000593A1 (en) * | 2007-04-11 | 2009-01-01 | Robert Walte John Parsons | Liquid injection apparatus for engines |
| DE102015208508A1 (en) * | 2015-05-07 | 2016-11-10 | Robert Bosch Gmbh | Water injection device for an internal combustion engine and method for operating such a water injection device |
| WO2017174254A1 (en) * | 2016-04-06 | 2017-10-12 | Robert Bosch Gmbh | Internal combustion engine having integrated water extraction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2923063A4 (en) | 2012-11-20 | 2016-08-17 | Nostrum Energy Pte Ltd | Internally cooled exhaust gas recirculation system for internal combustion engine and method thereof |
-
2017
- 2017-11-23 DE DE102017220914.3A patent/DE102017220914A1/en not_active Withdrawn
-
2018
- 2018-11-23 CN CN201811406239.3A patent/CN109931189A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125366A (en) * | 1990-10-11 | 1992-06-30 | Hobbs Cletus L | Water introduction in internal combustion engines |
| US20090000593A1 (en) * | 2007-04-11 | 2009-01-01 | Robert Walte John Parsons | Liquid injection apparatus for engines |
| DE102015208508A1 (en) * | 2015-05-07 | 2016-11-10 | Robert Bosch Gmbh | Water injection device for an internal combustion engine and method for operating such a water injection device |
| WO2017174254A1 (en) * | 2016-04-06 | 2017-10-12 | Robert Bosch Gmbh | Internal combustion engine having integrated water extraction |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017220914A1 (en) | 2019-05-23 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190625 |