CN105781676A - Leakage gas pressure regulating valve used for internal combustion engine - Google Patents
Leakage gas pressure regulating valve used for internal combustion engine Download PDFInfo
- Publication number
- CN105781676A CN105781676A CN201610010643.3A CN201610010643A CN105781676A CN 105781676 A CN105781676 A CN 105781676A CN 201610010643 A CN201610010643 A CN 201610010643A CN 105781676 A CN105781676 A CN 105781676A
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- China
- Prior art keywords
- pressure
- regulating valve
- housing
- head piece
- valve
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- 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.)
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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
- F01M13/0011—Breather valves
-
- 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
- F01M13/02—Crankcase ventilating or breathing by means of additional source of positive or negative pressure
- F01M13/021—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure
- F01M13/022—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure using engine inlet suction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0236—Diaphragm cut-off apparatus
-
- 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
- F01M13/0011—Breather valves
- F01M2013/0016—Breather valves with a membrane
-
- 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
- F01M2013/0038—Layout of crankcase breathing systems
- F01M2013/0044—Layout of crankcase breathing systems with one or more valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to a leakage gas pressure regulating valve used for an internal combustion engine. The valve can be installed on a bearing casing as a prefabricated module, and can release earth phase connection with the bearing casing, wherein non-rotationally asymmetric shape cooperation outlines are arranged in a connection area on the valve casing.
Description
Technical field
The present invention relates to a kind of pressure-regulating valve sewing gas (Blow-By-Gase) for internal combustion engine.
Background technology
Adopt such pressure-regulating valve for internal combustion engine is exhausted.Such as being there is known a kind of pressure-regulating valve installed in the exhaustor on internal combustion engine by document DE4022129A1, wherein this pressure-regulating valve is connected with the crankcase of internal combustion engine at input side and is connected with the air inlet pipe of internal combustion engine at outlet side.Low pressure in suction nozzle result in gas and is sucked away from crankcase.When pressure reduction is too high, pressure-regulating valve then cuts out and interrupts air-flow.
Summary of the invention
The task of the present invention is in that, utilizes the measure in simple structure to improve convertibility and the installation reliability of the pressure-regulating valve sewing gas for internal combustion engine.
Described task solves according to the invention through the features of claim 1.Dependent claims gives applicable improvement project.
Adopt the pressure-regulating valve according to the present invention for the crankcase of internal combustion engine is exhausted.First oil-gas-mixture in the crankcase separates in oil eliminator, and the air being next cleaned is drawn by pressure-regulating valve as sewing gas and is directed in an advantageous manner in the air inlet side of internal combustion engine.Guarantee only to draw under the pressure reduction allowed to sew gas by pressure-regulating valve.If this pressure reduction exceedes predetermined yardstick, then close this pressure-regulating valve and interrupt air-flow by this pressure-regulating valve.
In order to when such as owing to simplifying the convertibility of pressure-regulating valve the reason of abrasion breaks down or be malfunctioning, it is configured to prefabricated module, and this module can be installed on carrying housing and be connected with this carrying housing liftedly.This makes being positioned at the fixing of the pressure-regulating valve in the localities of the installation to this setting and replacing with other pressure-regulating valve and be possibly realized on carrying housing as necessary by releasing fixing.
Clear and definite installation site in order to ensure the pressure-regulating valve on carrying housing, arranging non-rotationally-symmetric form fit profile (Formschlusskontur) in join domain on the valve housing of pressure-regulating valve, this form fit profile can be installed on the harmonious form fit profile being positioned on carrying housing.Described form fit profile ensure that the pressure-regulating valve being positioned at correct installation site is connected with described carrying housing.The installation site of mistake unintentionally can be avoided completely.It is guaranteed in the connection on the connecting line being directed to carrying housing in other words on connecting line, that especially come by carrying housing accordingly simultaneously.
Described pressure-regulating valve is the ingredient of carrying housing-pressure-regulating valve-structural assemblies in an advantageous manner, especially adopts this carrying housing-pressure-regulating valve-structural assemblies in the vehicle have internal combustion engine.Pressure-regulating valve is fixed on carrying housing place or is fixed on carrying housing, and it can release from carrying housing in case of need again.
For the carrying housing needing to be connected liftedly with described pressure-regulating valve in particular for the valve mechanism cover of internal combustion engine.
Described valve housing has head piece according to favourable embodiment, and this head piece can be installed on the harmonious head piece being arranged in carrying housing.Preferably a potted component is in the join domain between these head pieces.Head piece in valve housing is particularly related to into head piece, enters head piece by this and sew gas and can be directed in pressure-regulating valve.The gas of sewing come by crankcase is correspondingly first directed in carrying housing, sews gas and is directed in described pressure-regulating valve by head piece from this carrying housing.The direction sewing the air inlet side that gas continues towards internal combustion engine in the drainage side of pressure-regulating valve is directed.
May be appropriate that, being respectively arranged the second head piece in valve housing and in carrying housing, these head pieces are connected to connect under the installment state of pressure-regulating valve.The gas of sewing that this second head piece especially possesses the direction of that come by pressure-regulating valve and towards internal combustion engine air inlet side guides arranges the function led.Correspondingly sew gas to first pass through the first head piece and be imported into pressure-regulating valve and continue through the second head piece and again imported in this carrying housing from carrying housing from this pressure-regulating valve and be directed to from the direction that this carrying housing continues towards air inlet side.
Described in an alternate embodiment, the valve housing of pressure-regulating valve has drain tube in contrast, is drawn by this drain tube and sews gas.The independent parts that this drain tube is configured to valve housing integrally or is configured to and valve housing is connected.The second head piece being arranged in valve housing in the present embodiment is optional；Only implement and sew gas by being arranged in the conveying that the head piece of carrying housing enters in pressure-regulating valve, otherwise then carry out the extraction by the drain tube on the valve housing of pressure-regulating valve.
According to other suitable embodiment, arrange non-rotationally-symmetric form fit profile with keeping lateral distance with the head piece being arranged in carrying housing.This form fit profile is thus independent on the design of in carrying housing and between the head piece mutually arranged in valve housing join domain.In addition advantageously, described form fit profile is situated radially at outside the join domain between these head pieces and has therefore ensured the clear and definite installation site of pressure-regulating valve.If existing with two head pieces separated in carrying housing on the other hand in valve housing on the one hand, described non-rotationally-symmetric form fit profile is just in and the position of two head pieces maintenance lateral distance in an appropriate manner.
Described form fit profile is configured on valve housing highlightedly or is configured in highlightedly on carrying housing, has corresponding depression on housing other accordingly.The form fit profile implemented highlightedly can protrude from the profile in head piece region if desired.But prominent in the region of form fit profile and head piece is also possible that, it is configured to compared with the profile in the region of this head piece equally high or relatively low.
Described non-rotationally-symmetric form fit profile is formed by seal groove seal convexity in other words according to another favourable embodiment, and this sealing member this seal convexity in other words is not only formed on valve housing in the region of head piece but also is formed on carrying housing.Only extend on part of its periphery, the prominent profile that it is form with seal convexity that such as, head piece on valve housing has, on the contrary remaining section is configured to the seal groove of depression.On carrying housing, form fit profile constructs to respective complementary on the head piece arranged.Therefore pressure-regulating valve Precise Installation Position on carrying housing is possible.
Being sufficient that in principle, not only on valve housing but also when carrying two head pieces on housing, only the seal groove seal convexity in other words in the two mouth is configured to non-rotationally-symmetric form fit profile.
The released performance of the connection between pressure-regulating valve and carrying housing realizes with method enough in a different manner.This connection is configured to snap connection according to favourable embodiment, and this snaps connection has snap fit, and these snap fits put in the buckle bracket arranged.In these snap fit arrangement of valves gate housing or be arranged in carrying housing on, buckle bracket is on housing other accordingly.Described snap fit can construct to elastic bending transverse to its longitudinal extension, so that can be squeezed out from buckle bracket relative to its intrinsic elasticity by these snap fits to release connection.
Other connection such as screw device between valve housing and carrying housing is also taken into account.Under any circumstance the valve housing of pressure-regulating valve is maintained on carrying housing all liftedly, wherein along with the releasing connected can remove down pressure-regulating valve whole, that implement as prefabricated module.
Accompanying drawing explanation
Other advantage and suitable embodiment can illustrate from other claim, accompanying drawing and draw diagram.In accompanying drawing:
Fig. 1 illustrates have the pressure-regulating valve sewing gas into head piece and drainage port, for internal combustion engine with perspective view；
Fig. 2 illustrate have two head pieces, for the valve mechanism cover of internal combustion engine, these head pieces are coordinated mutually with the head piece in pressure-regulating valve, and there is form fit profile that arrange outside head piece in side, prominent, the corresponding depression on the valve housing of pressure-regulating valve is disposed in this form fit profile.
The perspective that Fig. 3 is the valve mechanism cover in the scope of head piece and prominent form fit profile is shown；
Fig. 4 illustrates pressure-regulating valve in another embodiment；
Fig. 5 illustrates the intercepting part of valve mechanism cover, and this valve mechanism cover matches with the pressure-regulating valve according to Fig. 4；
Fig. 6 is the displaying of the connection with snap fit between pressure-regulating valve and valve mechanism cover；
Fig. 7 is the section of the pressure-regulating valve according to Fig. 6 and valve mechanism cover；
Fig. 8 is the another displaying of pressure-regulating valve and valve mechanism cover；
Fig. 9 illustrates the pressure-regulating valve in Fig. 8 viewed from below.
In the accompanying drawings, identical parts are with identical accompanying drawing labelling.
Detailed description of the invention
Indicate in Fig. 1 is to 3 with pressure-regulating valve 1(Fig. 1) first embodiment, this pressure-regulating valve can be installed in valve mechanism cover 8(Fig. 2 of internal combustion engine, 3) on.This pressure-regulating valve 1 be used for by sew gas from the crankcase of internal combustion engine with the pressure delivery that limits to the air inlet side of internal combustion engine.This pressure-regulating valve 1 has valve housing 2, arranges the first and second head pieces 3,4 on its bottom, is implemented conveying and the extraction of sewing gas by these head pieces.First head piece 3 is used as into head piece at this, and this head piece 3 is radially in outside the central point of pressure-regulating valve and has the cross section of rectangular shape.Second head piece 4 is used as drainage port, and it is positioned on bottom surface in the central authorities of pressure-regulating valve and has the cross section of circle.
Introducing form fit profile 5 with keeping lateral distance with two described head pieces 3,4 in the bottom section of described valve housing 2, this form fit profile is configured to depression on the side of this valve housing 2.Described form fit profile is implemented as labelling " M+H " in this embodiment.
Form fixing hole 6 in side zones on the bottom of described valve housing 2, its can by bolt 12(Fig. 2,3) run through, in order to described pressure-regulating valve 1 is tightened onto in valve mechanism cover 8 liftedly.
On described valve housing 2, kayser projection 7 is in the scope of periphery, and it is used for connecting, by kayser, the lid maintaining pressure-regulating valve 1.
As can be drawn in from Fig. 2 and 3, the first head piece 9 and the second head piece 10 are on the end face of described valve mechanism cover 8, and the two head piece 9 and 10 is disposed in the head piece 3 and 4 on the valve housing 2 of described pressure-regulating valve 1.The first head piece 9 in valve mechanism cover 8 has the cross section of the rectangular shape same with the first head piece 3 on valve housing 2.Sew gas to be directed in pressure-regulating valve 1 by the first head piece 9 in described valve mechanism cover 8 and by the first head piece 3 in valve housing 2 by crankcase.
The second head piece 10 in valve mechanism cover 8 has notable bigger diameter than the second head piece 4 worked as drainage port in valve housing 2.Head piece 10 in valve mechanism cover 8 forms the front end of flow channel, and drain tube 11 is laterally gone out from its branch, and by this drain tube, pressure-regulating valve 1 gas of sewing is imported into towards the direction of the air inlet side of internal combustion engine.The second head piece 4 on valve housing 2 is medially in valve mechanism cover 8 in the region of the second head piece 10 under installment state.
Described head piece 9 and 10 14 mutually adjoins in other words with their sealing configuration 13 in valve mechanism cover 8.Sealing configuration 13,14 is configured to seal groove, can place potted component in this seal groove.Sealing configuration 13,14 intersect each other ground transition such that it is able to the common potted component being arranged to the two sealing configuration is possibly realized.
Valve mechanism cover 8 surrounds the sealing configuration 13,14 of head piece 9,10 in other words adjacent to two head pieces 9 and 10 and arranges form fit profile 15, this form fit profile be configured to the profile that highlights and and the bottom surface of described valve housing 2 on profile 5 implement as labelling " M+H " equally.Especially, can drawing such as the perspective view according to Fig. 3, prominent form fit profile 15 constructs higher than the prominent sealing configuration 13,14 surrounding head piece 9 and 10.Form fit profile 5 on the bottom surface of valve housing 2 and 15 in valve mechanism cover 8 engage each other under installment state.
Indicate another embodiment in figures 4 and 5, especially there is the pressure-regulating valve 1 of head piece 9 and 10 and the basic structure of valve mechanism cover 8 that the head piece 3 and 4 in the bottom section of valve housing 2 has in other words on the end face of valve mechanism cover in this embodiment and equally implement in the first embodiment.But the non-rotationally-symmetric form fit profile in the valve mechanism cover in other words 8 on valve housing 2 is then different in figures 4 and 5.They are the ingredients of sealing configuration 14, and this sealing configuration surrounds head piece 10 in valve mechanism cover 8.This sealing configuration 14 only constructs highlightedly in the scope of half being slightly more than periphery, does not have sealed wall in remaining range, the substitute is the seal groove 18 introducing depression in valve mechanism cover 8.
The front projection 17 of seal convexity 16 on valve housing 2 has been arranged to the seal groove 18 on the side of valve mechanism cover 8.Seal convexity 16 on valve housing 2 does not have in the periphery section of sealed wall to extend identical in this valve mechanism cover 8.Seal convexity 16 on valve housing 2 correspondingly fills up the sealed wall on the side of valve mechanism cover 8.Described front projection 17 is on the axial end of seal convexity 16 and has the radial thickness less than seal convexity 16.This front projection 17 adapts to the seal groove 18 in valve mechanism cover 8.Front on the side of valve housing 2 protruding 17 and the seal groove 18 on valve mechanism cover 8 side form the non-rotationally-symmetric form fit profile being combined together by this way.
Seal groove 18 in valve mechanism cover 8 surrounds the sealed wall being radially inwardly going further, wherein arranges potted component between sealed wall and the seal convexity 16 on installment state lower valve housing 2 of this radially internal trend.The residue section of sealing configuration 14 has sealed wall that is that be radially in inside and that be radially in outside, is used for receiving the seal groove of potted component to move towards between which.
Indicate the construction unit assembled with pressure-regulating valve 1 and valve mechanism cover 8 in figs. 6 and 7.This pressure-regulating valve 1 has lid 19, and this is covered with lateral bayonet socket, is locked in kayser projection 7 by this lid 19 card by these bayonet sockets.In addition pressure-regulating valve 1 is provided with the drain tube 20 himself extended in a radial direction, and sews gas and is led by row towards the air inlet side of internal combustion engine by this drain tube.
Show that such as the section according to Fig. 7 can drawing, the formation on the bottom surface of valve housing 2 enters the connecting pipe of shell of head piece 3 and extend in the head piece 9 on the end face of valve mechanism cover 8.On the neighboring of the adapter that groove is on valve housing 2, having inserted sealing ring in the trench, its side being radially in outside abuts on wall, and these walls define the head piece 9 in valve mechanism cover 8.
Connection between pressure-regulating valve 1 and valve mechanism cover 8 is implemented as snapping connection, and it includes the snap fit 21 on valve housing 2, and these snap fits are locked on the buckle bracket 22 in valve mechanism cover 8 by card.It is hooked in and axially extends and can radially flexibly move, in order to foundation snaps connection and it again released in other words.
Fig. 8 is corresponding to the pressure-regulating valve 1 according to the embodiment according to Fig. 1 to 3 and valve mechanism cover 8, but additionally has the lid 19 installed on pressure-regulating valve 1, and it is kept by the kayser in the lid on valve housing 2 protruding 7 and lactch groove.
The pressure-regulating valve from Fig. 8 is illustrated in fig .9 in the way of the details displaying of perspective.Bolt 12 is guided, together with this pressure-regulating valve 1 of these bolts can be tightened on valve mechanism cover 8 liftedly by the fixing hole 6 being molded on the bottom surface of described valve housing 2.
Claims (10)
1. for the pressure-regulating valve sewing gas of internal combustion engine, wherein said pressure-regulating valve (1) can be installed in carrying housing (8) as prefabricated module and above and can be connected with releasing with described carrying housing (8), join domain on the valve housing (2) of described pressure-regulating valve (1) wherein arranges non-rotationally-symmetric form fit profile (5), on the form fit profile (15) of the coordination that described form fit profile can be installed on described carrying housing (8).
2. pressure-regulating valve according to claim 1, it is characterised in that described valve housing (2) has head piece (3), described head piece can be installed in carrying housing (8) on the head piece (9) coordinated.
3. pressure-regulating valve according to claim 2, it is characterised in that the head piece (3) in described valve housing (2) is formed into head piece, by described enter head piece described gas of sewing is directed in described pressure-regulating valve (1).
4. the pressure-regulating valve according to Claims 2 or 3, it is characterised in that described valve housing (2) has the second head piece (4), described second head piece can be installed in carrying housing (8) on the second head piece (10) coordinated.
5. the pressure-regulating valve according to any one in Claims 1-4, it is characterised in that described valve housing (2) has leads, for arranging, the drain tube (20) sewing gas.
6. the pressure-regulating valve according to any one in claim 2 to 5, it is characterised in that described non-rotationally-symmetric form fit profile (15) is laterally spacedly arranged with the head piece (9,10) in described carrying housing (8).
7. the pressure-regulating valve according to any one in claim 2 to 6, it is characterized in that, described non-rotationally-symmetric form fit profile (15) is formed by seal groove (18) seal convexity in other words (16), described seal groove seal convexity in other words is enclosed in described valve housing (2) and in described carrying housing (8) head piece (4,10).
8. the pressure-regulating valve according to any one in claim 1 to 7, it is characterised in that the connection between described pressure-regulating valve (1) and described carrying housing (8) is as snapping connection structure with snap fit (21).
9. carrying housing-pressure-regulating valve-structural assemblies, wherein said pressure-regulating valve (1) constructs according to any one in claim 1 to 8.
10. carrying housing-pressure-regulating valve-structural assemblies according to claim 9, it is characterised in that described carrying housing forms the valve mechanism cover (8) for internal combustion engine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015000053.5 | 2015-01-09 | ||
| DE102015000053 | 2015-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105781676A true CN105781676A (en) | 2016-07-20 |
Family
ID=56402209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610010643.3A Pending CN105781676A (en) | 2015-01-09 | 2016-01-08 | Leakage gas pressure regulating valve used for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105781676A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263868A (en) * | 2017-10-25 | 2020-06-09 | 黑拉有限责任两合公司 | Snap-lock connection device for connecting two components |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1314863A1 (en) * | 2001-11-23 | 2003-05-28 | David + Baader DBK GmbH | Operated pressure valve in particular for blowby-gases and heater therefor |
| CN101598048A (en) * | 2008-06-05 | 2009-12-09 | 本田技研工业株式会社 | The air-breather of motor |
| CN101865008A (en) * | 2010-01-29 | 2010-10-20 | 东风朝阳柴油机有限责任公司 | Pressure control valve type engine crankcase ventilator |
| DE102010036399A1 (en) * | 2010-07-14 | 2012-01-19 | Woco Industrietechnik Gmbh | Valve i.e. pressure regulating valve, for flow channel utilized in e.g. cyclone separator for transferring fluid between crank case and air inlet of combustion engine, has valve seats arranged on outer side of inlet or outlet pipe |
| CN202811008U (en) * | 2012-08-30 | 2013-03-20 | 长城汽车股份有限公司 | Device with positive crankcase ventilation (PCV) valve |
| CN103591339A (en) * | 2012-08-15 | 2014-02-19 | 保利达塑料德国有限两合公司 | Check vavle |
| US20140373491A1 (en) * | 2013-06-24 | 2014-12-25 | Parker-Hannifin Corporation | Diesel fuel and urea tank air breather filter |
-
2016
- 2016-01-08 CN CN201610010643.3A patent/CN105781676A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1314863A1 (en) * | 2001-11-23 | 2003-05-28 | David + Baader DBK GmbH | Operated pressure valve in particular for blowby-gases and heater therefor |
| CN101598048A (en) * | 2008-06-05 | 2009-12-09 | 本田技研工业株式会社 | The air-breather of motor |
| CN101865008A (en) * | 2010-01-29 | 2010-10-20 | 东风朝阳柴油机有限责任公司 | Pressure control valve type engine crankcase ventilator |
| DE102010036399A1 (en) * | 2010-07-14 | 2012-01-19 | Woco Industrietechnik Gmbh | Valve i.e. pressure regulating valve, for flow channel utilized in e.g. cyclone separator for transferring fluid between crank case and air inlet of combustion engine, has valve seats arranged on outer side of inlet or outlet pipe |
| CN103591339A (en) * | 2012-08-15 | 2014-02-19 | 保利达塑料德国有限两合公司 | Check vavle |
| CN202811008U (en) * | 2012-08-30 | 2013-03-20 | 长城汽车股份有限公司 | Device with positive crankcase ventilation (PCV) valve |
| US20140373491A1 (en) * | 2013-06-24 | 2014-12-25 | Parker-Hannifin Corporation | Diesel fuel and urea tank air breather filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263868A (en) * | 2017-10-25 | 2020-06-09 | 黑拉有限责任两合公司 | Snap-lock connection device for connecting two components |
| CN111263868B (en) * | 2017-10-25 | 2023-07-07 | 黑拉有限责任两合公司 | Latch connection device for connecting two components |
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Application publication date: 20160720 |
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