CN201714521U - Air inlet manifold of engine - Google Patents
Air inlet manifold of engine Download PDFInfo
- Publication number
- CN201714521U CN201714521U CN2009201413896U CN200920141389U CN201714521U CN 201714521 U CN201714521 U CN 201714521U CN 2009201413896 U CN2009201413896 U CN 2009201413896U CN 200920141389 U CN200920141389 U CN 200920141389U CN 201714521 U CN201714521 U CN 201714521U
- Authority
- CN
- China
- Prior art keywords
- intake manifold
- engine
- air inlet
- control
- video disc
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
Landscapes
- Characterised By The Charging Evacuation (AREA)
Abstract
An air inlet manifold of an engine comprises an air inlet manifold body, wherein the body and each cylinder cover of the engine cylinder covers are respectively connected with two air inlet channels, one of the two air inlet channels is internally provided with a turning butterfly valve, the butterfly valve comprises a disc penetrating through a turning shaft of the disc center, and the turning shaft is fixed on a turning bracket by two bearing sleeves at two ends. The air inlet manifold also comprises a control system for driving the turning shaft to rotate. The air inlet manifold is also provided with an exhaust gas circulating mechanism connected with an engine exhaust gas discharging machine. The utility model carries out new development and integration to the plastic air inlet manifold accessory PDA and EGR system, which can meet the requirement of air inlet efficiency of the air inlet manifold under different rotating speed, improve the output torque at the low speed state of the engine, and reduce the discharge of NOx and the fuel consumption.
Description
Technical field
The utility model relates to power equipment, particularly is used for the intake manifold of engine aspirating system.
Background technique
Existing displacement gasoline engine plastic air intake manifold, mostly be 3 or 4 air flues, and the most single suction port of each air flue and immutable sectional area of air passage and not integrated simultaneously PDAPort De-Activation of adopting, below be abbreviated as the intake manifold of PDA and EGRExhaust GasRecycle system, as mentioning among Chinese patent CN200720099702.5, CN200620095210.4 and the CN200510041416.9, be difficult to so guarantee that the NOx that improves the low speed output torque of small displacement engine and reduce motor discharges and oil consumption.Current in addition a lot of intake manifold have increased in the pressure break risk that throttle valve body is installed in throttle valve body flange facing and the common fixed installation bolt mode of the many employings of intake manifold supporting position.
Summary of the invention
The utility model provides a kind of intake manifold of motor, adopts the method that increases the variable air inlet cross section, and the combustion performance when improving low engine speed solves low speed output torque, oil consumption and exhaust index technical problem on the low side in the prior art.Adopt the method for waste gas circulation, cooperate variable air inlet cross section technology further to solve moment of torsion in the prior art, oil consumption and emission problem.
The utility model for the scheme that provides is provided is: the intake manifold that designs a kind of motor, comprise the intake manifold body, this body all is connected two intake ducts with the every cylinder of engine cylinder cap, be provided with convertible butterfly valve in the intake duct in these two intake ducts, described dish valve comprises video disc, by the trip shaft at video disc center, described trip shaft is fixed on the turnover bracket by the bearing housing at two ends, and this intake manifold also comprises the control system that drives the trip shaft rotation.Described control system comprises actuator and SC sigmal control mechanism, described SC sigmal control mechanism receives the control signal and the control executing mechanism action of control unit of engine, described actuator accepts the control unit of engine control command, and control command is converted into the action that control dish valve opens and closes.Described SC sigmal control mechanism comprises solenoid valve and vacuum actor, described vacuum actor connects the vacuum chamber of intake manifold by vacuum hose, control unit of engine control electromagnetic valve break-make, solenoid valve connects the vacuum hose passage between vacuum actor and the air-distributor vacuum chamber.Described actuator comprises the cylinder lever connecting rod that connects vacuum actor, be hinged with the quantity crank identical on this cylinder lever connecting rod with the cylinder number, the other end of this crank connects the trip shaft of dish valve, and the video disc rotary movement of control dish valve, described crank is subjected to cylinder lever connecting rod control around rotating with the video disc connecting end.Be connected by the hole axle between described crank and the video disc trip shaft; Described crank is provided with square shaft, and video disc upset axle head is provided with the square hole that cooperates with this square shaft; Perhaps described video disc upset axle head is provided with the square shaft of projection, and crank is provided with the square hole that cooperates with this square shaft.
Further improvement of the utility model is: also be provided with waste gas circulation mechanism on the described intake manifold, this waste gas circulation mechanism connects engine exhaust emission mechanism, described waste gas circulation mechanism comprises the waste gas inlet that is arranged on the intake manifold, the waste gas export mouth that is arranged at engine exhaust emission mechanism and the tracheae that connects both, also comprises being arranged at the electronic exhaust gas valve on the described tracheae and being arranged at temperature and pressure transmitter on the intake manifold body.
Further improvement of the utility model is: in the intake manifold throttle valve body flanged surface in the described intake manifold and the construction bolt hole of intake manifold support, all be embedded with copper sheathing.
It is integrated that the utility model carries out new exploitation to plastic air intake manifold annex PDA and egr system, be compared to prior art, have and satisfy the intake efficiency demand of intake manifold under different rotating speeds, the output torque that the raising motor at lower-speed state is, and reduce discharging and the oil consumption that reduces NOx; Plastic air intake manifold flanged surface and support construction bolt mode used hot pressing copper sheathing method, solved and used the moment of torsion that conventional screw reaches and draw the little defective of contact engaging and separating force; And guarantee that the inlet manifold assembly work of optimizing is smooth more, quick, effective on these technical foundation.
Description of drawings
Fig. 1 is the schematic representation of the displacement gasoline engine intake manifold that the utility model proposes;
Fig. 2 pda system structural drawing;
Fig. 3 PDA vacuum tube with and the sheath plan;
Fig. 4 throttle valve body flanged surface and intake manifold support mounting hole use copper sheathing figure;
Each air flue trouble of Fig. 5 manifold is divided into two independently air flue air inlets;
Each air flue trouble of Fig. 6 manifold is divided into two independently air flue air inlets.
Embodiment
In conjunction with above-mentioned description of drawings specific embodiment of the utility model.
By among Fig. 1 and Fig. 2 as can be known, a kind of intake manifold of motor comprises the intake manifold body, this body all is connected two intake ducts with the every cylinder of engine cylinder cap, be provided with convertible butterfly valve in the intake duct in these two intake ducts, described dish valve comprises video disc, by the trip shaft at video disc center, described trip shaft is fixed on the turnover bracket by the bearing housing at two ends, and this intake manifold also comprises the control system that drives the trip shaft rotation.Described control system comprises actuator and SC sigmal control mechanism, described SC sigmal control mechanism receives the control signal and the control executing mechanism action of control unit of engine, described actuator accepts the control unit of engine control command, and control command is converted into the action that control dish valve opens and closes.Described SC sigmal control mechanism comprises solenoid valve and vacuum actor, described vacuum actor connects the vacuum chamber of intake manifold by vacuum hose, control unit of engine control electromagnetic valve break-make, solenoid valve connects the vacuum hose passage between vacuum actor and the air-distributor vacuum chamber.Described actuator comprises the cylinder lever connecting rod that connects vacuum actor, be hinged with the quantity crank identical on this cylinder lever connecting rod with the cylinder number, the other end of this crank connects the trip shaft of dish valve, and the video disc rotary movement of control dish valve, described crank is subjected to cylinder lever connecting rod control around rotating with the video disc connecting end.Be connected by the hole axle between described crank and the video disc trip shaft; Described crank is provided with square shaft, and video disc upset axle head is provided with the square hole that cooperates with this square shaft; Perhaps described video disc upset axle head is provided with the square shaft of projection, and crank is provided with the square hole that cooperates with this square shaft.On the plastic air intake manifold basis, adopt following intake manifold assembly, comprise vacuum chamber 2, vacuum hose 3, PDA solenoid valve 4, PDA final controlling element 5, EGR pipe 6, connecting rod 7, PDA crank rocking arm 8, PDA video disc 9, bearing support 10; With the above part by assembling up as Fig. 1 mode, pda system drives whole pda system work by the vacuum source that produces at vacuum chamber 2 in the engine operation process, by the integrated vacuum chamber 2 interior vacuum sources that produce of intake manifold, give signal PDA final controlling element 5 by PDA solenoid valve 4, by PDA final controlling element 5 drive link 7 and PDA crank rocking arm 8, make PDA video disc 9 that the action of opening and closing take place under the support of bearing support 10.Use waste gas by egr system recirculation, aspect solution displacement gasoline engine low speed and large torque, reduction NOx discharging and the reduction oil consumption incomparable advantage is being arranged all.
Also be provided with waste gas circulation mechanism on the described intake manifold, this waste gas circulation mechanism connects engine exhaust emission mechanism, described waste gas circulation mechanism comprises the waste gas inlet that is arranged on the intake manifold, the waste gas export mouth that is arranged at engine exhaust emission mechanism and the tracheae that connects both, also comprises being arranged at the electronic exhaust gas valve on the described tracheae and being arranged at temperature and pressure transmitter 16 on the intake manifold body.Part waste gas after the burning reenters intake manifold through the EGR valve by EGR pipe 6.So, reach the output torque when improving engine low rotation speed, more effectively reduced engine consumption and NOx discharging.
In the intake manifold throttle valve body flanged surface in the described intake manifold and the construction bolt hole of intake manifold support, all be embedded with copper sheathing.Adopt the way of hot slotting copper sheathing 12 and increase PDA vacuum tube sheath 11, increased throttle valve body and intake manifold support safety coefficient when motor moves and the wear-out failure risk of having protected PDA vacuum tube 3.
The assembly that the utility model is new with other is integrated into inlet manifold assembly pda system, ERG system simultaneously, by Engine ECU output speed SC sigmal control PDA and egr system co-ordination, output torque when having improved engine low rotation speed more effectively reduces engine consumption and NOx discharging; In addition, adopt the mode of hot slotting copper sheathing, increased the safety coefficient of parts such as throttle valve body and intake manifold support; Adopt the PDA vacuum tube to add the sheath design, having protected vacuum tube is the wear-out failure risk that possible cause at engine operating state.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (8)
1. the intake manifold of a motor, it is characterized in that: this intake manifold comprises the intake manifold body, this body all is connected two intake ducts with the every cylinder of engine cylinder cap, be provided with convertible butterfly valve in the intake duct in these two intake ducts, described dish valve comprises video disc, by the trip shaft at video disc center, described trip shaft is fixed on the turnover bracket by the bearing housing at two ends, and this intake manifold also comprises the control system that drives the trip shaft rotation.
2. according to the intake manifold of the described motor of claim 1, it is characterized in that: described control system comprises actuator and SC sigmal control mechanism, described SC sigmal control mechanism receives the control signal and the control executing mechanism action of control unit of engine, described actuator accepts the control unit of engine control command, and control command is converted into the action that control dish valve opens and closes.
3. according to the intake manifold of the described motor of claim 2, it is characterized in that: described SC sigmal control mechanism comprises solenoid valve and vacuum actor, described vacuum actor connects the vacuum chamber of intake manifold by vacuum hose, control unit of engine control electromagnetic valve break-make, solenoid valve connects the vacuum hose passage between vacuum actor and the air-distributor vacuum chamber.
4. according to the intake manifold of the described motor of claim 2, it is characterized in that: described actuator comprises the cylinder lever connecting rod that connects vacuum actor, be hinged with the quantity crank identical on this cylinder lever connecting rod with the cylinder number, the other end of this crank connects the trip shaft of dish valve, and the video disc rotary movement of control dish valve, described crank is subjected to cylinder lever connecting rod control around rotating with the video disc connecting end.
5. according to the intake manifold of the described motor of claim 4, it is characterized in that: be connected by the hole axle between described crank and the video disc trip shaft; Described crank is provided with square shaft, and video disc upset axle head is provided with the square hole that cooperates with this square shaft; Perhaps described video disc upset axle head is provided with the square shaft of projection, and crank is provided with the square hole that cooperates with this square shaft.
6. according to the intake manifold of each described motor in the claim 1 to 5, it is characterized in that: also be provided with waste gas circulation mechanism on the described intake manifold, this waste gas circulation mechanism connects engine exhaust emission mechanism.
7. according to the intake manifold of the described motor of claim 6, it is characterized in that: described waste gas circulation mechanism comprises the waste gas inlet that is arranged on the intake manifold, the waste gas export mouth that is arranged at engine exhaust emission mechanism and the tracheae that connects both, also comprises being arranged at the electronic exhaust gas valve on the described tracheae and being arranged at temperature and pressure transmitter on the intake manifold body.
8. according to the intake manifold of each described motor in the claim 1 to 5, it is characterized in that: in the intake manifold throttle valve body flanged surface in the described intake manifold and the construction bolt hole of intake manifold support, all be embedded with copper sheathing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201413896U CN201714521U (en) | 2009-09-29 | 2009-09-29 | Air inlet manifold of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201413896U CN201714521U (en) | 2009-09-29 | 2009-09-29 | Air inlet manifold of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201714521U true CN201714521U (en) | 2011-01-19 |
Family
ID=43460516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201413896U Expired - Lifetime CN201714521U (en) | 2009-09-29 | 2009-09-29 | Air inlet manifold of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201714521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116733603A (en) * | 2023-06-27 | 2023-09-12 | 山东飞奥航空发动机有限公司 | Deepwater unmanned aerial vehicle engine and application method thereof |
-
2009
- 2009-09-29 CN CN2009201413896U patent/CN201714521U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116733603A (en) * | 2023-06-27 | 2023-09-12 | 山东飞奥航空发动机有限公司 | Deepwater unmanned aerial vehicle engine and application method thereof |
| CN116733603B (en) * | 2023-06-27 | 2024-01-05 | 山东飞奥航空发动机有限公司 | Deepwater unmanned aerial vehicle engine and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102536548A (en) | Air intake control device of engine and engine therewith | |
| CN101629495B (en) | variable flow turbocharger | |
| WO2010012243A1 (en) | General multi condition energy saving system | |
| CN101182804B (en) | Consecutive pressure boost and air inlet controllable whirling currents combine system of high supercharged diesel | |
| CN202325823U (en) | Control structure for variable vortex air intake manifold of automobile engine | |
| CN201714521U (en) | Air inlet manifold of engine | |
| CN101344033B (en) | Transmission shaft and shaft sleeve of anti-air leakage turbosupercharger bypass valve | |
| US20160298533A1 (en) | Valve assembly with cylinder having through holes | |
| CN101418708B (en) | Exhaust gas turbocharger | |
| CN201972819U (en) | Air inlet manifold device for engine | |
| CN201581938U (en) | Variable flow turbocharger | |
| CN101611220A (en) | The control gear of internal-combustion engine | |
| CN101943094A (en) | Variable air inlet section mechanism of engine air inlet manifold | |
| CN103807062B (en) | Air compensation device for internal combustion engine | |
| CN202055954U (en) | air inlet manifold of engine | |
| CN1755077A (en) | Internal combustion engine pressurizer with loading control | |
| CN202348361U (en) | Air valve driving component of petrol engine and petrol engine comprising same | |
| CN202001128U (en) | Universal gasoline engine quick radiating cylinder end and gasoline engine therewith | |
| CN201908719U (en) | Engine and boost control valve thereof | |
| CN101070767A (en) | Motor-vehicle tail-gas recirculation by-pass cooling device | |
| CN210195893U (en) | Exhaust gas recirculation bivalve actuating mechanism | |
| CN105822378B (en) | A kind of electronic inlet valve mechanism with semilune head | |
| CN102182545B (en) | Engine and pressurizing control valve thereof | |
| CN2921337Y (en) | Engine air intake manifold | |
| CN101413409A (en) | Four-stroke internal combustion engine distribution timing mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110119 |