CN103742316A - Variable air inlet manifold for engine - Google Patents
Variable air inlet manifold for engine Download PDFInfo
- Publication number
- CN103742316A CN103742316A CN201310715871.7A CN201310715871A CN103742316A CN 103742316 A CN103742316 A CN 103742316A CN 201310715871 A CN201310715871 A CN 201310715871A CN 103742316 A CN103742316 A CN 103742316A
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- CN
- China
- Prior art keywords
- intake manifold
- main body
- air flue
- air inlet
- manifold main
- 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
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- 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
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- Characterised By The Charging Evacuation (AREA)
Abstract
A variable air inlet manifold for an engine comprises an air inlet main pipe, an air inlet manifold main body and a resonant cavity. The air inlet manifold main body comprises a PCV pipe nozzle and a baffle, the shape of the position of an inlet between the air inlet manifold main body and the resonant cavity is in gradual transition from a rectangular interface to the round interface, the air inlet manifold main body is spiral and is provided with an air inlet end and an air outlet end, a long air channel and a short air channel are arranged in an air channel inside the air inlet manifold main body, the junction of the long air channel and an air inlet of the short air channel is provided with a rotating valve slice, and the rotating valve slice is matched with the air channel of the air inlet manifold main body. Switchover of the long air channel and the short air channel is performed by arranging the rotating valve slice, air channel length variation of the engine air inlet manifold is achieved so as to meet the inflation efficiency requirements of the engine under various working conditions, and overall working performance of the engine is improved.
Description
Technical field
The present invention relates to power equipment, relate in particular to a kind of engine variable intake manifold.
Background technique
Existing displacement gasoline engine, its plastic air intake manifold comprises 3 or 4 air flues more, and the air flue that each air flue is fixed length, so be difficult to guarantee the charging efficiency demand of small displacement engine under different rotating speeds and different operating mode, guarantee that the output torque of motor when lower-speed state requires, power requirements during fast state and reduce engine consumption and reduce NOX discharge.
Therefore,, for above-mentioned technical problem, be necessary to provide a kind of structure improved engine variable intake manifold, to overcome above-mentioned defect.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of engine variable intake manifold of new structure, to meet motor requirement to charging efficiency under various operating modes, improve the integral working of motor.
For achieving the above object, the invention provides following technological scheme:
A kind of engine variable intake manifold, it comprises intake manifold, intake manifold main body and resonant cavity, described intake manifold main body comprises PCV ozzle and baffle plate, being shaped as by oblong-shaped interface gradually excessively to circular of ingress between described intake manifold main body and resonant cavity, described intake manifold main body is helical, is provided with inlet end and outlet side; In air flue in described intake manifold main body, be provided with long air flue and lose heart, at described long air flue and the intersection of the suction port of losing heart, being provided with rotary valve plate, described rotary valve plate matches with the air flue of the intake manifold main body of its placement.
Preferably, in above-mentioned engine variable intake manifold, described rotary valve plate is fixed on by rotating shaft in described intake manifold main body in its one end, and its body is circular-arc, and arc top is towards the suction port setting of described long air flue.
Preferably, in above-mentioned engine variable intake manifold, the suction port position of losing heart described in described rotary valve plate rotates to, loses heart and closes, and long air flue is opened, and forms the intake manifold main body with long air flue; When described rotary valve plate rotates to the suction port position of described long air flue, the unlatching of losing heart, long air flue is closed, and forms the intake manifold main body with short air flue.
Preferably, in above-mentioned engine variable intake manifold, the inlet end of described intake manifold main body is provided with flange, and on flanged surface, seal groove is set.
From technique scheme, can find out, the embodiment of the present invention is by the switching that the long air flue of rotary valve plate is set and loses heart, the airway length of realizing engine intake manifold is variable, to meet motor requirement to charging efficiency under various operating modes, improves the integral working of motor; In addition, rotary valve plate body is circular-arc, is convenient to the guiding to air-flow in air flue.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing relevant of the present invention in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of engine variable intake manifold of the present invention.
Embodiment
The invention discloses a kind of engine variable intake manifold of new structure, to meet motor requirement to charging efficiency under various operating modes, improve the integral working of motor.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is described in detail, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
As shown in Figure 1, engine variable intake manifold disclosed by the invention, it comprises intake manifold, intake manifold main body 1 and resonant cavity, described intake manifold main body 1 comprises PCV ozzle and baffle plate, being shaped as by oblong-shaped interface gradually excessively to the circular of ingress between described intake manifold main body 1 and resonant cavity.
Continue as shown in Figure 1, described intake manifold main body 1 is helical, is provided with inlet end and outlet side; In air flue in described intake manifold main body 1, be provided with long air flue 5 and lose heart 3, at the intersection of described long air flue 5 and 3 the suction port of losing heart, being provided with rotary valve plate 4, described rotary valve plate 4 matches with the air flue of the intake manifold main body 1 of its placement.By the switching that the long air flue of rotary valve plate is set and loses heart, the airway length of realizing engine intake manifold is variable, to meet motor requirement to charging efficiency under various operating modes, improves the integral working of motor.
Lose heart described in described rotary valve plate 4 rotates to 3 suction port position, loses heart and 3 closes, and long air flue 5 is opened, and forms the intake manifold main body 1 with long air flue; When described rotary valve plate 4 rotates to the suction port position of described long air flue 5, to lose heart and 3 open, long air flue 5 is closed, and forms the intake manifold main body 1 with short air flue.
Described rotary valve plate 4 is fixed in described intake manifold main body 1 by rotating shaft 6 in its one end, and its body is circular-arc.Arc top is towards the suction port setting of described long air flue 5.Rotary valve plate body is circular-arc, is convenient to the guiding to air-flow in air flue.
The working principle of engine variable intake manifold of the present invention is: when motor is during in middle low-speed running, rotary valve plate 4 rotates to 3 the suction port position of losing heart, lose heart and 3 close, long air flue 5 is opened, formation has the intake manifold 1 of long air flue, and air-flow enters cylinder from long intake manifold 1, and air-flow inertia increases, can increase engine output torque, and make motor there is good fuel economy; When motor is when running up, rotary valve plate 4 rotates to the suction port position of described long air flue 5, lose heart and 3 open, long air flue 5 is closed, formation has the intake manifold 1 of short air flue, and air-flow enters cylinder from short intake manifold 1, can improve charging efficiency, increase the power of motor, the power character while guaranteeing high engine speeds.
The inlet end of described intake manifold main body 1 is provided with flange 2, and seal groove is set on flanged surface.Guarantee the sealing of intake manifold 1 in joint, prevent Leakage Gas.
The present invention arranges long air flue 5 and loses heart 3 by the intake manifold 1 at motor is interior, and by the long air flue of rotary valve plate 45 being set and 3 the switching of losing heart, the airway length of realizing engine intake manifold 1 is variable, to meet motor requirement to charging efficiency under various operating modes, improve the integral working of motor.
The embodiment of the present invention is by arranging the long air flue of rotary valve plate 45 and 3 the switching of losing heart, and the airway length of realizing engine intake manifold is variable, to meet motor requirement to charging efficiency under various operating modes, improves the integral working of motor; In addition, rotary valve plate body is circular-arc, is convenient to the guiding to air-flow in air flue.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the present invention.Any reference character in claim should be considered as limiting related claim.
In addition, be to be understood that, although this specification is described according to mode of execution, but be not that each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, and the technological scheme in each embodiment also can, through appropriately combined, form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (4)
1. an engine variable intake manifold, it comprises intake manifold, intake manifold main body and resonant cavity, it is characterized in that: described intake manifold main body comprises PCV ozzle and baffle plate, being shaped as by oblong-shaped interface gradually excessively to circular of ingress between described intake manifold main body and resonant cavity, described intake manifold main body is helical, is provided with inlet end and outlet side; In air flue in described intake manifold main body, be provided with long air flue and lose heart, at described long air flue and the intersection of the suction port of losing heart, being provided with rotary valve plate, described rotary valve plate matches with the air flue of the intake manifold main body of its placement.
2. engine variable intake manifold according to claim 1, is characterized in that: described rotary valve plate is fixed on by rotating shaft in described intake manifold main body in its one end, and its body is circular-arc, and arc top is towards the suction port setting of described long air flue.
3. engine variable intake manifold according to claim 1, is characterized in that: the suction port position of losing heart described in described rotary valve plate rotates to, and to lose heart and close, long air flue is opened, and forms the intake manifold main body with long air flue; When described rotary valve plate rotates to the suction port position of described long air flue, the unlatching of losing heart, long air flue is closed, and forms the intake manifold main body with short air flue.
4. engine variable intake manifold according to claim 1, is characterized in that: the inlet end of described intake manifold main body is provided with flange, and on flanged surface, seal groove is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310715871.7A CN103742316A (en) | 2013-12-23 | 2013-12-23 | Variable air inlet manifold for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310715871.7A CN103742316A (en) | 2013-12-23 | 2013-12-23 | Variable air inlet manifold for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103742316A true CN103742316A (en) | 2014-04-23 |
Family
ID=50499369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310715871.7A Pending CN103742316A (en) | 2013-12-23 | 2013-12-23 | Variable air inlet manifold for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103742316A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240172A (en) * | 2015-11-02 | 2016-01-13 | 阿尔特汽车技术股份有限公司 | Two-level independently-changeable intake manifold mounting structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050115540A1 (en) * | 2003-07-10 | 2005-06-02 | Jea-Woong Yi | Intake port of lean burn engine and core thereof |
| CN2758506Y (en) * | 2004-08-18 | 2006-02-15 | 长安汽车（集团）有限责任公司 | Air inlet branch pipe gas passage structure of multicylinder internal combustion engine |
| CN101338714A (en) * | 2007-07-05 | 2009-01-07 | 丰田自动车株式会社 | Air intake device for multi-cylinder internal combustion engine |
| CN102121444A (en) * | 2011-03-10 | 2011-07-13 | 锐展(铜陵)科技有限公司 | Variable air intake manifold of engine |
| CN103742251A (en) * | 2013-12-23 | 2014-04-23 | 广西科技大学 | Variable air inlet system for engine |
-
2013
- 2013-12-23 CN CN201310715871.7A patent/CN103742316A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050115540A1 (en) * | 2003-07-10 | 2005-06-02 | Jea-Woong Yi | Intake port of lean burn engine and core thereof |
| CN2758506Y (en) * | 2004-08-18 | 2006-02-15 | 长安汽车（集团）有限责任公司 | Air inlet branch pipe gas passage structure of multicylinder internal combustion engine |
| CN101338714A (en) * | 2007-07-05 | 2009-01-07 | 丰田自动车株式会社 | Air intake device for multi-cylinder internal combustion engine |
| CN102121444A (en) * | 2011-03-10 | 2011-07-13 | 锐展(铜陵)科技有限公司 | Variable air intake manifold of engine |
| CN103742251A (en) * | 2013-12-23 | 2014-04-23 | 广西科技大学 | Variable air inlet system for engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240172A (en) * | 2015-11-02 | 2016-01-13 | 阿尔特汽车技术股份有限公司 | Two-level independently-changeable intake manifold mounting structure |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140423 |
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| RJ01 | Rejection of invention patent application after publication |