CN201053364Y - Oil gas separation type engine air inlet manifold - Google Patents
Oil gas separation type engine air inlet manifold Download PDFInfo
- Publication number
- CN201053364Y CN201053364Y CNU2007201245872U CN200720124587U CN201053364Y CN 201053364 Y CN201053364 Y CN 201053364Y CN U2007201245872 U CNU2007201245872 U CN U2007201245872U CN 200720124587 U CN200720124587 U CN 200720124587U CN 201053364 Y CN201053364 Y CN 201053364Y
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- Prior art keywords
- manifold
- upper body
- chamber
- oil
- gas separation
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Abstract
The utility model discloses an intake manifold for an oil-gas separation type engine, consisting of a manifold upper body and a manifold lower body. The utility model is characterized in that: a main cavity of the manifold upper body is a cylindrical cavity shell; a radial end face of the main cavity of the manifold upper body is opened; a crankcase exhaust gas branch pipe is arranged on the lower part of the shell of the manifold upper body; a main cavity of the manifold lower body is a semicylindrical shell; a radial end face of the main cavity of the manifold lower body is opened; a partition board is arranged on the end face of the opening to separate the shell into an inner cavity and an outer cavity; an opening of the outer cavity is opposite to the manifold upper body; the inner cavity is opposite to the crankcase exhaust gas branch pipe; through holes are arranged on the partition board to make the inner cavity communicate with the outer cavity. The utility model has the advantages of reduction of casting defects, improvement of casting reliability, capability of separating exhaust gas and oil stain in a crankcase in the manifold, protection of the engine from being eroded by the oil stain, improvement of the power of the engine, simultaneous improvement of the combustion efficiency of combustion air, quickened airflow rate, and smoother gas admission.
Description
Technical field
The utility model belongs to auto parts and components, specifically, is a kind of four cylinder engine Oil-gas Separation formula engine intake manifold.
Background technique
At present, traditional engine intake manifold is configured to: a suction tude is set on a circular cylindrical cavity introduces combustion gas, be set up in parallel four the cylinder chamber delivery of fuel gas of four branch bronchuses again to motor, circular cylindrical cavity, suction tude and branch bronchus are one piece casting, and be inseparable, and this makes the volume of intake manifold excessive, excessive overall height, directly strengthen the motor complete machine in the arrangement space that becomes on the car, and outward appearance is thick, it is attractive in appearance to influence complete machine.In order to overcome the huge defective of traditional intake manifold structure, China's application number 2005100414169 discloses a kind of intake manifold, its manifold upper body and manifold lower body adopt and divide body structure, a suction tude is set on the manifold upper body introduces combustion gas, again manifold upper body and manifold lower body are assembled into an overall structure, make the installation of intake manifold more convenient, more compact structure.Simultaneously, the inlet opening that the manifold upper body also is provided with the crankcase waste gas arm communicates with the automobile crane case, the delivery outlet of crankcase waste gas arm is positioned at the manifold upper body, the main chamber that the crankcase waste gas arm is introduced intake manifold with the fuel vapor in the crankcase, and flow to motor through a minute bronchus.Though this patent has solved installation question, but exist the crankcase waste gas arm when absorbing crankcase waste gas, also greasy dirt in the crankcase has been introduced intake manifold and motor, after greasy dirt condenses, can influence the work effect and the working life of motor in intake manifold and motor.
Its shortcoming is: intake manifold can't be separated crankcase waste gas and the greasy dirt that the crankcase waste gas arm sucks, and influences the work effect of motor.
The model utility content
The purpose of this utility model provides a kind of Oil-gas Separation formula engine intake manifold, is guaranteeing to realize that the crankcase waste gas in the manifold separates with greasy dirt on the basis easy for installation, and the protection motor is not corroded by greasy dirt.
For achieving the above object, a kind of Oil-gas Separation formula engine intake manifold described in the utility model, form by manifold upper body and manifold lower body, its key is: the main chamber of described manifold upper body is a column chamber shell, an axial end sealing of described manifold upper body, another axial end is provided with cylindrical air inlet conduit, the radial end face opening of this manifold upper body main chamber, and the lower housing portion of described manifold upper body is provided with the crankcase waste gas arm;
By, intake manifold is introduced with the crankcase waste gas in the crankcase in crankcase waste gas arm manifold upper body.
The main chamber of described manifold lower body is a semi-cylindrical shells, the radial end face opening of this manifold lower body main chamber, this open end is provided with partition housing is divided into inner cavity chamber and outer chamber, wherein the outer chamber opening is relative with described manifold upper body, and this outer chamber bottom is set side by side with four serpentines and divides bronchus; Wherein inner cavity chamber is relative with described crankcase waste gas arm, has vent on the described partition, and this vent communicates described inner cavity chamber and outer chamber.
Connect through bolt between described manifold upper body and the manifold lower body.
Inner cavity chamber receives crankcase waste gas and the greasy dirt that the crankcase waste gas arm is sent here, and realizes Oil-gas Separation, and crankcase waste gas enters outer chamber and divides bronchus from vent, enters motor again.Greasy dirt is deposited in the inner cavity chamber and collects, and avoids it to enter motor, has guaranteed in-engine cleaning, during vehicle maintenance, regularly takes out the manifold lower body, fuel oil is cleaned out promptly passable.
The outer wall of described suction tude is provided with water channel.
Water channel is connected with engine-cooling system, introduces hot water, and the gas heating to suction tude flows into improves burning of gas efficient, accelerates airspeed.
Main chamber's inwall matrix distribution in described manifold upper body has stiffening rib.
On first fen bronchus of described manifold lower body pressure-temperature sensor is installed.
Pressure-temperature sensor integrates Pressure testing and temperature detection, and the endotracheal pressure of detection branches can accurately be declared cylinder to motor, also can detect the temperature of combustion gas, has saved installing space.
The outer chamber of described manifold lower body is provided with the fuel vapor arm and communicates with the external world.
Outer chamber receives fuel vapor arm automotive oil tank fuel vapor, again fuel vapor is entered motor.
Have four guiding gutters on the described partition, described four guiding gutters link to each other with four branch bronchuses respectively.
Guiding gutter has reduced intake resistance, makes air inlet more smooth and easy, and air inflow increases, and has promoted the power of motor.
Remarkable result of the present utility model is: reduced casting defect, improved the reliability of casting; Crankcase waste gas in the manifold can be separated with greasy dirt, the protection motor is not corroded by greasy dirt, promotes the power of motor, improves the combustion efficiency of combustion gas simultaneously, accelerates airspeed, makes air inlet more smooth.Easy for installation.
Description of drawings
Fig. 1 is the stereogram of engine intake manifold;
Fig. 2 is the structural representation of manifold upper body;
Fig. 3 is the rear view of manifold upper body;
Fig. 4 is the structural representation of manifold upper body suction tude;
Fig. 5 is the structural representation of inside, manifold upper body;
Fig. 6 is the structural representation of manifold lower body;
Fig. 7 is the side view of manifold lower body;
Fig. 8 is the structural representation of manifold upper and lower body combination.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Shown in Fig. 1,2,3,8: a kind of Oil-gas Separation formula engine intake manifold, form by manifold upper body 1 and manifold lower body 2, a kind of Oil-gas Separation formula engine intake manifold, form by manifold upper body 1 and manifold lower body 2, the main chamber of described manifold upper body 1 is a column chamber shell, an axial end sealing of described manifold upper body 1, another axial end is provided with cylindrical air inlet conduit 3, the radial end face opening of this manifold upper body 1 main chamber, the lower housing portion of described manifold upper body 1 is provided with crankcase waste gas arm 6;
By, intake manifold is introduced with the crankcase waste gas in the crankcase in crankcase waste gas arm 6 manifold upper bodies.
The main chamber of described manifold lower body 2 is a semi-cylindrical shells, the radial end face opening of these manifold lower body 2 main chamber, this open end is provided with and cuts off 8 housing is divided into 2c of inner cavity chamber and outer chamber 2d, wherein outer chamber 2d opening is relative with described manifold upper body 1, and this outer chamber 2d bottom is set side by side with four serpentines and divides bronchus 2a; Wherein the 2c of inner cavity chamber is relative with described crankcase waste gas arm 6, has vent 10 on the described partition 8, and this vent 10 communicates described 2c of inner cavity chamber and outer chamber 2d.
Fixedly connected between described manifold upper body 1 and the manifold lower body 2 through bolt 9.
The 2c of inner cavity chamber receives crankcase waste gas and the greasy dirt that crankcase waste gas arm 6 is sent here, and realizes Oil-gas Separation, and crankcase waste gas enters outer chamber 2d and divides bronchus 2a from vent 10, enters motor again.Greasy dirt is deposited in the 2c of inner cavity chamber and collects, and avoids entering motor, has guaranteed in-engine cleaning, during vehicle maintenance, regularly takes out manifold lower body 2, fuel oil is cleaned out promptly passable.
As shown in Figure 4: the outer wall of described suction tude 3 is provided with water channel 4.
Main chamber's inwall matrix distribution in described manifold upper body 1 has stiffening rib 1a.
Shown in Fig. 1,6: as described in pressure-temperature sensor 11 is installed on first fen bronchus 2a of manifold lower body 2.
Pressure-temperature sensor 11 integrates Pressure testing and temperature detection, and the pressure in the detection branches tracheae 2a can accurately be declared cylinder to motor, also can detect the temperature of combustion gas, has saved installing space.
Shown in Fig. 1,3,5: as described in the outer chamber 2d of manifold lower body 2 be provided with fuel vapor arm 5 and communicate with the external world.
Shown in Fig. 6,7: as described in have four guiding gutters 7 on the partition 8, described four guiding gutters 7 link to each other with four branch bronchus 2a respectively.
Guiding gutter has reduced intake resistance, makes air inlet more smooth and easy, and air inflow increases, and has promoted the power of motor.
Its working condition is as follows:
Respectively extrusion process is adopted in manifold upper body 1 and manifold lower body 2, once-through, visual inspection, with bolt that the two is fixedly connected again, be convenient to be installed in into the arrangement space place on the car.Crankcase waste gas in the automobile crane case and greasy dirt enter the 2c of inner cavity chamber of manifold lower body 2 through crankcase waste gas arm 6, the 2c of this inner cavity chamber is as the Oil-gas Separation chamber, crankcase waste gas enters outer chamber 2d and divides bronchus 2a from vent 10, enters motor, and greasy dirt is deposited in the 2c of inner cavity chamber and collects, realized Oil-gas Separation, avoid entering motor, guaranteed in-engine cleaning, during vehicle maintenance, regularly take out manifold lower body 2, cleaning oil pollution is fallen to get final product.
Claims (6)
1. Oil-gas Separation formula engine intake manifold, form by manifold upper body (1) and manifold lower body (2), it is characterized in that: the main chamber of described manifold upper body (1) is a column chamber shell, an axial end sealing of described manifold upper body (1), another axial end is provided with cylindrical air inlet conduit (3), the radial end face opening of this manifold upper body (1) main chamber, the lower housing portion of described manifold upper body (1) is provided with crankcase waste gas arm (6);
The main chamber of described manifold lower body (2) is a semi-cylindrical shells, the radial end face opening of this manifold lower body (2) main chamber, this open end is provided with partition (8) housing is divided into inner cavity chamber (2c) and outer chamber (2d), wherein outer chamber (2d) opening is relative with described manifold upper body (1), and this outer chamber (2d) bottom is set side by side with four serpentines and divides bronchus (2a); Wherein inner cavity chamber (2c) is relative with described crankcase waste gas arm (6), has vent (10) on the described partition (8), and this vent (10) communicates described inner cavity chamber (2c) and outer chamber (2d).
2. Oil-gas Separation formula engine intake manifold according to claim 1 is characterized in that: the outer wall of described suction tude (3) is provided with water channel (4).
3. Oil-gas Separation formula engine intake manifold according to claim 1 is characterized in that: the main chamber's inwall matrix distribution in described manifold upper body (1) has stiffening rib (1a).
4. Oil-gas Separation formula engine intake manifold according to claim 1 is characterized in that: on first minute bronchus (2a) of described manifold lower body (2) pressure-temperature sensor (11) is installed.
5. Oil-gas Separation formula engine intake manifold according to claim 1 is characterized in that: the outer chamber (2d) of described manifold lower body (2) is provided with fuel vapor arm (5) and communicates with the external world.
6. Oil-gas Separation formula engine intake manifold according to claim 1 is characterized in that: have four guiding gutters (7) on the described partition (8), described four guiding gutters (7) link to each other with four branch bronchuses (2a) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201245872U CN201053364Y (en) | 2007-06-28 | 2007-06-28 | Oil gas separation type engine air inlet manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201245872U CN201053364Y (en) | 2007-06-28 | 2007-06-28 | Oil gas separation type engine air inlet manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201053364Y true CN201053364Y (en) | 2008-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201245872U Expired - Fee Related CN201053364Y (en) | 2007-06-28 | 2007-06-28 | Oil gas separation type engine air inlet manifold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201053364Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333983B (en) * | 2007-06-27 | 2012-09-26 | 力帆实业(集团)股份有限公司 | Oil strain type engine air inlet manifold branch |
| CN104011352A (en) * | 2011-12-27 | 2014-08-27 | 洋马株式会社 | Engine device |
-
2007
- 2007-06-28 CN CNU2007201245872U patent/CN201053364Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333983B (en) * | 2007-06-27 | 2012-09-26 | 力帆实业(集团)股份有限公司 | Oil strain type engine air inlet manifold branch |
| CN104011352A (en) * | 2011-12-27 | 2014-08-27 | 洋马株式会社 | Engine device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20140628 |
|
| EXPY | Termination of patent right or utility model |