CN109219691A - Engine apparatus - Google Patents
Engine apparatus Download PDFInfo
- Publication number
- CN109219691A CN109219691A CN201780033534.6A CN201780033534A CN109219691A CN 109219691 A CN109219691 A CN 109219691A CN 201780033534 A CN201780033534 A CN 201780033534A CN 109219691 A CN109219691 A CN 109219691A
- Authority
- CN
- China
- Prior art keywords
- cooler
- mentioned
- gas
- engine
- blow
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
It include: blow-by gas piping (32), (33), the blow-by gas circulation for generating engine (10)；EGR gas is piped (21), and the exhaust system (18) and gas handling system (17) of connection engine (10) simultaneously make EGR gas circulate；And the 1st cooler (22), it is inserted into EGR gas piping (21), and be arranged on the car body rear side of engine (10), cooling EGR gas.Blow-by gas is piped (32), at least part and the 1st cooler (22) of (33) adjacently configure.
Description
Technical field
This disclosure relates to engine apparatus, in particular to by the blow-by gas that engine generates arrange to atmosphere or be back into
PCV (Positive Crankcase Ventilation: positive crankcase ventilation (PCV)) device of gas system.
Background technique
Back and forth, the blow-by gas escaped in crankcase from the gap of cylinder and piston is arranged to atmosphere or is returned
The PCV device for flowing to gas handling system has been practical.
Under the low temperature environments such as cold district, after blow-by gas piping is cooled down by outside air, institute in blow-by gas
The moisture contained freezes and becomes ice cube, collides turbocharger etc., so that components etc. be made to damage in the case where having.In addition, if
Cause blow-by gas with blockage because freezing, then possible crankcase pressure rises and the failures such as lubricating oil leakage can occur,
It is necessary to effectively inhibit freezing for blow-by gas.
For example, Patent Document 1 discloses by making engine cooling water in the insulating tube of covering blow-by gas piping
Circulation is to carry out heat exchange, to realize the technology for preventing blow-by gas from freezing.
[existing technical literature]
[patent document]
Patent document 1: Japanese Unexamined Patent Publication 07-166835 bulletin
Summary of the invention
[subject to be solved by the invention]
In addition, traveling wind can pour into enging cabin from front with vehicle driving.Therefore, before engine and side
It is exposed in traveling wind and is easy temperature decline, if in the piping of such place configuration blow-by gas or lubricant separator,
Only freezing for blow-by gas may be prevented by carrying out heat exchange with engine cooling water with being unable to fully.
The purpose of the technology of the disclosure is to effectively inhibit at a temperature of blow-by gas caused by due to travelling wind effect
Drop.
[for solving the technological means of technical task]
The technology of the disclosure is characterised by comprising: blow-by gas piping, the blow-by gas stream for generating engine
It is logical；EGR gas piping connects the exhaust system of above-mentioned engine and gas handling system and EGR gas is made to circulate；And the
1 cooler is inserted into above-mentioned EGR gas piping, and is arranged on the car body rear side of above-mentioned engine, cooling
At least part of EGR gas, above-mentioned blow-by gas piping is adjacently configured with above-mentioned 1st cooler.
In addition it is also possible to which being further comprises being inserted into above-mentioned blow-by gas piping to divide above and from blow-by gas
It disembarks the lubricant separator of oil, which adjacently configures with above-mentioned 1st cooler.
It further comprise the 2nd cooler alternatively, it is also possible to be, the 2nd cooler is inserted into be leaned on than above-mentioned 1st cooler
In the above-mentioned EGR gas piping in downstream side, and matched relatively at a predetermined interval in the top of above-mentioned 1st cooler
It sets, cooling EGR gas, said engine oil separator configures between above-mentioned 1st cooler and above-mentioned 2nd cooler.
In addition it is also possible to be, said engine oil separator is fixed on above-mentioned 1st cooler or above-mentioned via bracket
On at least one of 2 coolers.
In addition it is also possible to be, the one end of above-mentioned bracket is fixed on above-mentioned 1st cooler or above-mentioned 2nd cooler
At least one of shell on.
In addition it is also possible to be, above-mentioned 1st cooler and above-mentioned 2nd cooler are extended on along width of the carbody direction
State the car body rear side of engine.
[invention effect]
According to the technology of the disclosure, at a temperature of capable of effectively inhibiting blow-by gas caused by due to travelling wind effect
Drop.
Detailed description of the invention
Fig. 1 is the schematic diagram for indicating the engine apparatus of an embodiment of the disclosure from car body rear.
Fig. 2 is the schematical perspective view for indicating the engine apparatus of an embodiment of the disclosure.
Fig. 3 is the schematical perspective view for indicating the engine apparatus of other embodiment.
Fig. 4 is the schematic diagram for indicating the engine apparatus of other embodiment from car body rear.
Specific embodiment
In the following, with reference to the accompanying drawings, the engine apparatus being related to an embodiment of the disclosure is illustrated.To identical component
Identical appended drawing reference is marked, their title and function is also identical.Therefore, duplicate detailed description is not done to it.
Fig. 1 is the schematic diagram of the diesel motor (hreinafter referred to as engine) 10 of the present embodiment from car body rear.?
The top of cylinder block 11 is provided with cylinder head 12, and the top of cylinder head 12 is provided with valve mechanism cover 13.It is set in cylinder block 11
It is equipped with the crankshaft case portion 11A for accommodating crankshaft 14, the rear end of crankshaft 14 is provided with flywheel 15.In addition, under cylinder block 11
Portion is provided with the food tray 16 of storage machine oil.
The side of cylinder head 12 is provided with inlet manifold 17A and exhaust manifold 18A.It is connected on inlet manifold 17A
Fresh air is imported into the indoor air inlet pipe 17 of burning, is connected on exhaust manifold 18A and exports exhaust out of combustion chamber
Exhaust pipe 18.
Exhaust gas recirculatioon (EGR) device 20 includes: EGR piping 21, and exhaust pipe 18 and air inlet pipe 17 are connected and make EGR
Gas circulation；Prime cooler for recycled exhaust gas 22 is inserted into EGR piping 21 and cools down EGR gas；Rear class cooler for recycled exhaust gas 23,
It is inserted into the position than 22 downstream of prime cooler for recycled exhaust gas of EGR piping 21 and cooling EGR gas；And EGR valve 24,
EGR gas flow can be adjusted.
PCV device 30 includes: lubricant separator 31, and machine oil is separated from blow-by gas；The piping of 1st blow-by gas
32, connect the blow-by gas outlet portion of cylinder head 13 and the blowby gas inlet portion of lubricant separator 31；2nd, which alters cylinder, mixes
Gas piping 33 is closed, one end side is connected with the blow-by gas outlet portion of lubricant separator 31 and arranges blow-by gas to atmosphere
(or being back to air inlet pipe 17)；And reflux piping 34, connect the machine oil outlet portion and cylinder block 11 of lubricant separator 31
Engine oil inlet portion and will by lubricant separator 31 separate after machine oil be back to food tray 16.
In the following, with reference to the accompanying drawings 2, the configuration relation of ERG device 20 and PCV device 30 to present embodiment carries out specifically
It is bright.
As shown in Fig. 2, prime cooler for recycled exhaust gas 22 is by with the cylinder axis for the shell 22A for accommodating the square tube shape of pipe (not shown)
The car body rear side that the mode that direction becomes substantially width of the carbody direction configured in engine 10 is (for example, cylinder block 11 or gas
The back side of cylinder cap 12).Rear class cooler for recycled exhaust gas 23 by with the cylinder axis direction for the shell 23A for accommodating the square tube shape of pipe (not shown) at
Being located at than preceding in engine 10 is configured at a predetermined interval for the substantially mode in width of the carbody direction and prime cooler for recycled exhaust gas 22
The car body rear side (for example, back side of cylinder head 12 or valve mechanism cover 13) of grade cooler for recycled exhaust gas 22 position against the top.
That is, prime cooler for recycled exhaust gas 22 and rear class cooler for recycled exhaust gas 23 are by with the upper table of the shell 22A of prime cooler for recycled exhaust gas 22
The lower surface of the shell 23A of face and rear class cooler for recycled exhaust gas 23 spaced apart from each other opposite mode along width of the carbody direction simultaneously
Row arrangement is in the car body rear side of engine 10.
Lubricant separator 31 is adjacent with each shell 22A, 23A between prime cooler for recycled exhaust gas 22 and rear class cooler for recycled exhaust gas 23
Connect configuration.In more detail, it is provided with the conductivities of heat material bending such as metal material on the shell 22A of prime cooler for recycled exhaust gas
The 1st bracket 40 formed at generally L-shaped.Lubricant separator 31 is fixed on the 1st bracket 40 by bolt (not shown) etc.
On.
That is, being drawn by configuring lubricant separator 31 what is surrounded by prime cooler for recycled exhaust gas 22 and rear class cooler for recycled exhaust gas 23
10 car body rear lateral portion is held up, is directly exposed to the open air so as to be effectively prevented lubricant separator 31 in the traveling poured into enging cabin
In wind.In addition, by the way that the 1st bracket 40 to be arranged on the shell 22A that will become the prime cooler for recycled exhaust gas 22 of high temperature, and will
Lubricant separator 31 is fixed on the 1st bracket 40, so as to using from shell 22A via the heat that the 1st bracket 40 conducts come
Realize the heat preservation of lubricant separator 31.
1st blow-by gas is piped the connection end side quilt with lubricant separator 31 of the 32 and the 2nd blow-by gas piping 33
Configuration is between prime cooler for recycled exhaust gas 22 and rear class cooler for recycled exhaust gas 23.In addition, cylinder is altered in the 1st blow-by gas piping the 32 and the 2nd
Gaseous mixture piping 33 is fixed on the EGR of connection prime cooler for recycled exhaust gas 22 and rear class cooler for recycled exhaust gas 23 via the 2nd bracket 41
In piping 21.
That is, being configured by a part that the 1st blow-by gas is piped the 32 and the 2nd blow-by gas piping 33 by prime
The car body rear lateral portion for the engine 10 that cooler for recycled exhaust gas 22 and rear class cooler for recycled exhaust gas 23 surround, matches so as to be effectively prevented these
Pipe 32,33 directly exposes to the open air in pouring into the traveling wind in enging cabin.In addition, by the way that the setting of the 2nd bracket 41 will become height
In the EGR piping 21 of temperature, and the 1st blow-by gas is piped the 32 and the 2nd blow-by gas piping 33 and is fixed on the 2nd bracket 41
On, so as to utilize the heat preservation for realizing these pipings 32,33 via the heat that the 2nd bracket 41 conducts from EGR piping 21.
Such as above-mentioned detailed description, according to the present embodiment, by configuring lubricant separator 31 by prime EGR
The car body rear lateral portion for the engine 10 that cooler 22 and rear class cooler for recycled exhaust gas 23 surround, starts so as to be effectively prevented to pour into
Traveling wind in cabin is directly blown on lubricant separator 31, is able to suppress the temperature decline of lubricant separator 31.
In addition, being configured by a part that the 1st blow-by gas is piped the 32 and the 2nd blow-by gas piping 33 preceding
The car body rear lateral portion for the engine 10 that grade cooler for recycled exhaust gas 22 and rear class cooler for recycled exhaust gas 23 surround, so as to be effectively prevented at this
The blow-by gas flowed in a little pipings 32,33 is influenced by traveling wind and is cooled.
In addition, by lubricant separator 31 is fixed on the shell 22A for being arranged on prime cooler for recycled exhaust gas 22 the 1st
On bracket 40, so that heat is conducted to lubricant separator 31 from shell 22A via the 1st bracket 40, it can effectively realize
The heat preservation of lubricant separator 31.
In addition, being arranged on EGR by the way that the 1st blow-by gas the 32 and the 2nd blow-by gas of piping piping 33 to be fixed on
On the 2nd bracket 41 in piping 21, thus heat by from EGR piping 21 be conducted to via the 2nd bracket 41 these pipings 32,
33, the heat preservation of these pipings 32,33 can be effectively realized.
It should be noted that the present invention is not limited in above embodiment, in the range for not departing from purport of the invention
It is interior, it can be appropriately deformed and implement.
For example, as shown in Fig. 3, before lubricant separator 31 can also being fixed on via the 3rd bracket 42 of substantially U-shaped
On the shell 22A of grade cooler for recycled exhaust gas 22 and shell 23A the two of rear class cooler for recycled exhaust gas 23.In this case, heat quilt
It is transmitted to lubricant separator 31 from each shell 22A, 23A via the 3rd bracket 42, can more effectively realize lubricant separator 31
Heat preservation.
In addition, the cooler for recycled exhaust gas of EGR device 20 is not limited to multistage, it also may include level-one as shown in Fig. 4
Cooler for recycled exhaust gas 25.In this case, by the adjacent configuration of lubricant separator 31 below cooler for recycled exhaust gas 25.
In addition, engine 10 is not limited to diesel motor, it also can be generally applicable on other engines such as gasoline engine.
The application is made its content based on Japanese patent application (2016-111741) filed on June 3rd, 2016
So far for reference.
[Industrial Availability]
According to the technology of the disclosure, in the temperature that can effectively inhibit blow-by gas caused by due to travelling wind effect
It is useful for declining this point.
[description of symbols]
10 engines
11 cylinder block
12 cylinder head
13 cylinder head casings
14 crankshafts
15 flywheels
16 food trays
17 air inlet pipe
18 exhaust pipes
20 EGR devices
21 EGR piping
22 prime cooler for recycled exhaust gas
23 rear class cooler for recycled exhaust gas
30 PCV devices
31 lubricant separators
The piping of 32 the 1st blow-by gas
The piping of 33 the 2nd blow-by gas
40 the 1st brackets
41 the 2nd brackets
Claims (6)
1. a kind of engine apparatus, comprising:
Blow-by gas piping, the blow-by gas circulation for generating engine,
EGR gas piping connects the exhaust system of above-mentioned engine and gas handling system and EGR gas is made to circulate, and
1st cooler is inserted into above-mentioned EGR gas piping, and is arranged on the car body rear side of above-mentioned engine
Portion, cooling EGR gas；
At least part of above-mentioned blow-by gas piping is adjacently arranged with above-mentioned 1st cooler.
2. engine apparatus as described in claim 1, wherein
It further comprise the lubricant separator for being inserted into above-mentioned blow-by gas piping and separating machine oil above and from blow-by gas,
The lubricant separator is adjacently configured with above-mentioned 1st cooler.
3. engine apparatus as claimed in claim 2, wherein
It further comprise the 2nd cooler, the 2nd cooler is inserted into the above-mentioned recycling than above-mentioned 1st cooler downstream
In exhaust gas piping, and EGR gas is oppositely disposed and cooled down at a predetermined interval in the top of above-mentioned 1st cooler,
Said engine oil separator configures between above-mentioned 1st cooler and above-mentioned 2nd cooler.
4. engine apparatus as claimed in claim 3, wherein
Said engine oil separator is fixed at least one of above-mentioned 1st cooler or above-mentioned 2nd cooler via bracket
On.
5. engine apparatus as claimed in claim 4, wherein
The one end of above-mentioned bracket is fixed on the shell of at least one of above-mentioned 1st cooler or above-mentioned 2nd cooler
On.
6. the engine apparatus as described in any one of claim 3 to 5, wherein
Above-mentioned 1st cooler and the 2nd cooler are extended on the car body rear side of above-mentioned engine along width of the carbody direction.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016111741A JP6707997B2 (en) | 2016-06-03 | 2016-06-03 | Engine equipment |
| JP2016-111741 | 2016-06-03 | ||
| PCT/JP2017/020611 WO2017209278A1 (en) | 2016-06-03 | 2017-06-02 | Engine device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109219691A true CN109219691A (en) | 2019-01-15 |
| CN109219691B CN109219691B (en) | 2021-01-29 |
Family
ID=60478643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780033534.6A Active CN109219691B (en) | 2016-06-03 | 2017-06-02 | Engine device |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6707997B2 (en) |
| CN (1) | CN109219691B (en) |
| MY (1) | MY191644A (en) |
| PH (1) | PH12018502517A1 (en) |
| WO (1) | WO2017209278A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4768493A (en) * | 1984-04-27 | 1988-09-06 | Honda Giken Kogyo Kabushiki Kaisha | Blow-by gas heating system for internal combustion engines |
| JP2005083301A (en) * | 2003-09-10 | 2005-03-31 | Suzuki Motor Corp | Anti-freezing structure of breather pipe |
| CN101240726A (en) * | 2007-02-09 | 2008-08-13 | 本田技研工业株式会社 | Aerating device for internal combustion engine |
| CN105507984A (en) * | 2014-10-10 | 2016-04-20 | 铃木株式会社 | Gas carry-over exchanging device for internal combustion engine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003214131A (en) * | 2002-01-25 | 2003-07-30 | Toyota Motor Corp | Pcv device |
| JP5407833B2 (en) * | 2009-12-17 | 2014-02-05 | スズキ株式会社 | Blowby gas recirculation system |
| JP5322911B2 (en) * | 2009-12-24 | 2013-10-23 | 日野自動車株式会社 | Engine exhaust gas purification device |
| JP6079349B2 (en) * | 2013-03-22 | 2017-02-15 | いすゞ自動車株式会社 | PCV system |
-
2016
- 2016-06-03 JP JP2016111741A patent/JP6707997B2/en active Active
-
2017
- 2017-06-02 WO PCT/JP2017/020611 patent/WO2017209278A1/en active Application Filing
- 2017-06-02 MY MYPI2018002289A patent/MY191644A/en unknown
- 2017-06-02 CN CN201780033534.6A patent/CN109219691B/en active Active
-
2018
- 2018-11-28 PH PH12018502517A patent/PH12018502517A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4768493A (en) * | 1984-04-27 | 1988-09-06 | Honda Giken Kogyo Kabushiki Kaisha | Blow-by gas heating system for internal combustion engines |
| JP2005083301A (en) * | 2003-09-10 | 2005-03-31 | Suzuki Motor Corp | Anti-freezing structure of breather pipe |
| CN101240726A (en) * | 2007-02-09 | 2008-08-13 | 本田技研工业株式会社 | Aerating device for internal combustion engine |
| CN105507984A (en) * | 2014-10-10 | 2016-04-20 | 铃木株式会社 | Gas carry-over exchanging device for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| MY191644A (en) | 2022-07-05 |
| PH12018502517A1 (en) | 2019-09-30 |
| JP2017218906A (en) | 2017-12-14 |
| WO2017209278A1 (en) | 2017-12-07 |
| CN109219691B (en) | 2021-01-29 |
| JP6707997B2 (en) | 2020-06-10 |
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