CN105402057A - Air inflow channel of two-stroke horizontally-opposed pistons and opposed air cylinder engines - Google Patents
Air inflow channel of two-stroke horizontally-opposed pistons and opposed air cylinder engines Download PDFInfo
- Publication number
- CN105402057A CN105402057A CN201510925120.7A CN201510925120A CN105402057A CN 105402057 A CN105402057 A CN 105402057A CN 201510925120 A CN201510925120 A CN 201510925120A CN 105402057 A CN105402057 A CN 105402057A
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- CN
- China
- Prior art keywords
- opposed
- intake
- intake duct
- horizontally
- mounting hole
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/1019—Two-stroke engines; Reverse-flow scavenged or cross scavenged engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10268—Heating, cooling or thermal insulating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10288—Air intakes combined with another engine part, e.g. cylinder head cover or being cast in one piece with the exhaust manifold, cylinder head or engine block
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10373—Sensors for intake systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
- F02M35/116—Intake manifolds for engines with cylinders in V-arrangement or arranged oppositely relative to the main shaft
- F02M35/1165—Boxer or pancake engines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an air inflow channel of two-stroke horizontally-opposed pistons and opposed air cylinder engines. The air inflow channel comprises an air inflow part and a water inflow part which are parallel and are adjacently arranged on the air inflow channel to form a similar X-shaped structure. The air inflow channel further comprises a cylinder sleeve installation hole which is formed in the middle of the similar X-shaped structure and penetrates the air inflow part and the water inflow part. Due to the arrangement of the air inflow part, the water inflow part and the cylinder sleeve installation hole, the structure of the air inflow channel is matched with that of an air cylinder sleeve, and the unique requirements of the two-stroke horizontally-opposed pistons and the opposed air cylinder engines are met.
Description
Technical field
The present invention relates to the technical field of two stroke engine, especially relate to the intake duct of the horizontally-opposed piston of two-stroke, opposed-cylinder engine.
Background technique
Pancake engine, with the engine structure of its uniqueness and working principle, can obtain the mechanical efficiency higher than conventional engines and combustion efficiency.The particularly horizontally-opposed piston of two-stroke, opposed-cylinder engine, because its agent structure is compact, its energy density can reach high technology level (>=90kW/L, >=1.9kW/kg) of the same trade, its also because of this two large advantage by industry is attracted attention.
Due to the symplex structure of the horizontally-opposed piston of two-stroke, opposed-cylinder engine uniqueness, its inside does not have the gas distribution system of conventional construction, and the firing chamber of its motor is symmetrically distributed in the both sides of body, the port timing of motor is controlled by the motion of opposed pistons and porting, and porting is in the peripheral wall of cylinder liner.
And intake duct of the prior art is integrated in cylinder head, controlled the opening and closing of gas handling system by intake valve.Therefore the intake duct on conventional engines cannot be applied on this motor, need to design a kind of intake duct being applicable to the horizontally-opposed piston of two-stroke, opposed-cylinder engine newly.
Summary of the invention
In view of this, the horizontally-opposed piston of a kind of two-stroke that the present invention proposes, the intake duct of opposed-cylinder engine, to solve the problem that intake duct of the prior art is not all suitable for the horizontally-opposed piston of two-stroke, opposed-cylinder engine.
For achieving the above object, technological scheme of the present invention is achieved in that
The intake duct of the horizontally-opposed piston of a kind of two-stroke, opposed-cylinder engine, described intake duct comprises air input part and inlet part, described air input part is parallel with inlet part and be disposed adjacent on described intake duct, form class " X " shape structure, described intake duct also comprises a mounting hole of cylinder sleeve, described mounting hole of cylinder sleeve is arranged on the middle part of described class " X " shape structure, and runs through described air input part and inlet part.
The intake duct of the horizontally-opposed piston of above-mentioned two-stroke, opposed-cylinder engine, wherein, described air input part comprises:
Gas-entered passageway, described gas-entered passageway is centered around around mounting hole of cylinder sleeve ringwise, and is connected with described mounting hole of cylinder sleeve;
Suction port, described suction port is connected with described gas-entered passageway, and is symmetricly set on described gas-entered passageway side.
The intake duct of the horizontally-opposed piston of above-mentioned two-stroke, opposed-cylinder engine, wherein, described inlet part comprises:
Intake tunnel, described intake tunnel is centered around around mounting hole of cylinder sleeve ringwise, and is connected with described mounting hole of cylinder sleeve;
Water intake, described water intake is connected with described intake tunnel, and is symmetricly set on described intake tunnel side.
The intake duct of the horizontally-opposed piston of above-mentioned two-stroke, opposed-cylinder engine, wherein, described air input part also comprises several intake air temperature sensor holes, and described intake air temperature sensor hole is arranged on described gas-entered passageway, in order to arrange intake air temperature sensor.
The intake duct of the horizontally-opposed piston of above-mentioned two-stroke, opposed-cylinder engine, wherein, described inlet part also comprises several cooling-water temperature sensor holes, and described cooling-water temperature sensor hole is arranged on described intake tunnel, in order to arrange cooling-water temperature sensor.
The intake duct of the horizontally-opposed piston of above-mentioned two-stroke, opposed-cylinder engine, wherein, described intake duct also comprises positioning part, and described positioning part comprises:
Positioning pin hole, described positioning pin hole is symmetricly set on the intersection of described inlet part and described mounting hole of cylinder sleeve;
Locating stud, described locating stud is arranged in described positioning pin hole.
The intake duct of the horizontally-opposed piston of above-mentioned two-stroke, opposed-cylinder engine, wherein, the inwall of described mounting hole of cylinder sleeve is also provided with overflow hole.
The intake duct of the horizontally-opposed piston of above-mentioned two-stroke, opposed-cylinder engine, wherein, described water intake setting direction is contrary with described water intake setting direction.
The intake duct of the horizontally-opposed piston of above-mentioned two-stroke, opposed-cylinder engine, wherein, described intake tunnel is adjacent with described gas-entered passageway.
The present invention is owing to have employed above-mentioned technology, and the good effect of generation is:
(1) the present invention arranges air input part, inlet part and mounting hole of cylinder sleeve, and structure of the present invention is matched with described cylinder liner construction, meets the requirement of the horizontally-opposed piston of two-stroke, opposed-cylinder engine gas handling system uniqueness.
(2) simultaneously, the present invention is integrated with gas-entered passageway and intake tunnel, and their flow directions are contrary, effectively reduce intake temperature, improves the combustion efficiency of motor.
(3) present invention employs the suction port, the water intake that are arranged symmetrically with up and down, the intake duct of motor both sides can be identical structure, and component universality is good, low cost of manufacture.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the plan view of intake duct of the horizontally-opposed piston of two-stroke of the present invention, opposed-cylinder engine;
Fig. 2 is the sectional view in intake duct A-A direction of the horizontally-opposed piston of two-stroke of the present invention, opposed-cylinder engine.
In accompanying drawing: 1, air input part; 11, suction port; 12, gas-entered passageway; 13, intake air temperature sensor hole; 2, inlet part; 21, water intake; 22, intake tunnel; 23, cooling-water temperature sensor hole; 3, mounting hole of cylinder sleeve; 4, positioning pin hole.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
Fig. 1 is the plan view of intake duct of the horizontally-opposed piston of two-stroke of the present invention, opposed-cylinder engine, shown in Figure 1.The horizontally-opposed piston of a kind of two-stroke, the intake duct of opposed-cylinder engine, it is arranged in cylinder liner, for the firing chamber air feed of motor, described intake duct comprises air input part 1 and inlet part 2, described air input part 1 is parallel with inlet part 2 and be disposed adjacent in described intake duct both sides, form class " X " shape structure, described air input part 1 and the combustion chamber in described cylinder liner, for described firing chamber provides air, described inlet part 2 is connected with the water route in described cylinder liner, with the heat exchange of the fresh air in described air input part 1, reduce intake temperature, improve combustion efficiency, described intake duct also comprises a mounting hole of cylinder sleeve 3, described mounting hole of cylinder sleeve 3 is arranged on the middle part of described class " X " shape structure, and run through described air input part 1 and inlet part 2, the structure of described mounting hole of cylinder sleeve 3 matches with the structure of described cylinder liner, in order to arrange described cylinder liner.
The present invention also has following mode of execution on the basis of the above:
Fig. 2 is the sectional view in intake duct A-A direction of the horizontally-opposed piston of two-stroke of the present invention, opposed-cylinder engine, shown in Fig. 1 and Fig. 2.Described air input part 1 comprises: suction port 11 and gas-entered passageway 12, and described gas-entered passageway 12 is centered around mounting hole of cylinder sleeve 3 around ringwise, and is connected with described mounting hole of cylinder sleeve 3; Described suction port 11 is connected with described gas-entered passageway 12, and is symmetricly set on described gas-entered passageway 12 side.Described intake duct is arranged on after in cylinder liner, and described gas-entered passageway 12 is connected with the air flue in described cylinder liner, and gas-entered passageway 12 communicates with the firing chamber in cylinder liner ringwise.Fresh air enters in gas-entered passageway 12 through suction port 11, then enters in the firing chamber of cylinder liner.Because gas-entered passageway 12 is centered around around cylinder liner ringwise, therefore air-flow enters firing chamber with certain eddy current, meets firing chamber eddy current coupling requirement.
In further embodiment of the present invention, described air input part 1 also comprises several intake air temperature sensor holes 13, and described intake air temperature sensor hole 13 is arranged on described gas-entered passageway 12, in order to arrange intake air temperature sensor, accurately to detect flow parameter.The hole of intake air temperature sensor described in the present embodiment 13 is two.
Described inlet part 2 comprises: water intake 21 and intake tunnel 22, and described intake tunnel 22 is centered around mounting hole of cylinder sleeve 3 around ringwise, and is connected with described mounting hole of cylinder sleeve 3; Described water intake 21 is connected with described intake tunnel 22, and is symmetricly set on described intake tunnel 22 side.Cooling liquid enters described intake tunnel 22 through described water intake 21, then enters the water route in described cylinder liner, carries out cool cycles.
Described intake tunnel 22 is adjacent with described gas-entered passageway 12, and described water intake 21 setting direction is contrary with described water intake 21 setting direction, makes airintake direction contrary with water inlet direction, be conducive to the heat exchange improving cooling liquid and fresh air, reduce intake temperature, improve combustion efficiency.
In further embodiment of the present invention, described inlet part 2 also comprises several cooling-water temperature sensor holes 23, and described cooling-water temperature sensor hole 23 is arranged on described intake tunnel 22, in order to arrange cooling-water temperature sensor, to detect the temperature of cooling liquid.
Described intake duct also comprises positioning part, positions described intake duct, guarantees that described intake duct is in tram in described cylinder liner.Described positioning part comprises positioning pin hole 4 and locating stud (not shown), described positioning pin hole 4 is symmetricly set on the intersection of described inlet part 2 and described mounting hole of cylinder sleeve 3, coordinate with the positioning hole in described cylinder liner, described locating stud is arranged in described positioning pin hole 4, ensure that intake duct is in correct position in cylinder liner, make into the air flue accurate fit in described gas passage and described cylinder liner, described intake tunnel 22 and the water route accurate fit in described cylinder liner.
The inwall of described mounting hole of cylinder sleeve 3 is also provided with overflow hole (not shown), when the cooling liquid in described intake tunnel 22 occurs to leak, can be flowed out by described overflow hole, avoid entering in gas handling system.
The present invention arranges air input part 1, inlet part 2 and mounting hole of cylinder sleeve 3, and structure of the present invention is matched with described cylinder liner construction, meets the requirement of the horizontally-opposed piston of two-stroke, opposed-cylinder engine gas handling system uniqueness.Meanwhile, the present invention is integrated with gas-entered passageway 12 and intake tunnel 22, and their flow directions are contrary, effectively reduce intake temperature, improves the combustion efficiency of motor.Present invention employs the suction port 11, the water intake 21 that are arranged symmetrically with up and down, the intake duct of motor both sides can be identical structure, and component universality is good, low cost of manufacture.
In sum; the foregoing is only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection domain is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations specification of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.
Claims (9)
1. the intake duct of the horizontally-opposed piston of two-stroke, opposed-cylinder engine, it is characterized in that, described intake duct comprises air input part and inlet part, described air input part is parallel with inlet part and be disposed adjacent on described intake duct, form class " X " shape structure, described intake duct also comprises a mounting hole of cylinder sleeve, and described mounting hole of cylinder sleeve is arranged on the middle part of described class " X " shape structure, and runs through described air input part and inlet part.
2. the intake duct of the horizontally-opposed piston of two-stroke according to claim 1, opposed-cylinder engine, is characterized in that, described air input part comprises:
Gas-entered passageway, described gas-entered passageway is centered around around mounting hole of cylinder sleeve ringwise, and is connected with described mounting hole of cylinder sleeve;
Suction port, described suction port is connected with described gas-entered passageway, and is symmetricly set on described gas-entered passageway side.
3. the intake duct of the horizontally-opposed piston of two-stroke according to claim 1 and 2, opposed-cylinder engine, is characterized in that, described inlet part comprises:
Intake tunnel, described intake tunnel is centered around around mounting hole of cylinder sleeve ringwise, and is connected with described mounting hole of cylinder sleeve;
Water intake, described water intake is connected with described intake tunnel, and is symmetricly set on described intake tunnel side.
4. the intake duct of the horizontally-opposed piston of two-stroke according to claim 3, opposed-cylinder engine, it is characterized in that, described air input part also comprises several intake air temperature sensor holes, and described intake air temperature sensor hole is arranged on described gas-entered passageway, in order to arrange intake air temperature sensor.
5. the intake duct of the horizontally-opposed piston of two-stroke according to claim 4, opposed-cylinder engine, it is characterized in that, described inlet part also comprises several cooling-water temperature sensor holes, and described cooling-water temperature sensor hole is arranged on described intake tunnel, in order to arrange cooling-water temperature sensor.
6. the intake duct of the horizontally-opposed piston of two-stroke according to claim 1, opposed-cylinder engine, is characterized in that, described intake duct also comprises positioning part, and described positioning part comprises:
Positioning pin hole, described positioning pin hole is symmetricly set on the intersection of described inlet part and described mounting hole of cylinder sleeve;
Locating stud, described locating stud is arranged in described positioning pin hole.
7. the intake duct of the horizontally-opposed piston of two-stroke according to claim 1, opposed-cylinder engine, is characterized in that, the inwall of described mounting hole of cylinder sleeve is also provided with overflow hole.
8. the intake duct of the horizontally-opposed piston of two-stroke according to claim 5, opposed-cylinder engine, is characterized in that, described water intake setting direction is contrary with described water intake setting direction.
9. the intake duct of the horizontally-opposed piston of two-stroke according to claim 8, opposed-cylinder engine, is characterized in that, described intake tunnel is adjacent with described gas-entered passageway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510925120.7A CN105402057A (en) | 2015-12-08 | 2015-12-08 | Air inflow channel of two-stroke horizontally-opposed pistons and opposed air cylinder engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510925120.7A CN105402057A (en) | 2015-12-08 | 2015-12-08 | Air inflow channel of two-stroke horizontally-opposed pistons and opposed air cylinder engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105402057A true CN105402057A (en) | 2016-03-16 |
Family
ID=55467762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510925120.7A Pending CN105402057A (en) | 2015-12-08 | 2015-12-08 | Air inflow channel of two-stroke horizontally-opposed pistons and opposed air cylinder engines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105402057A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4028892A (en) * | 1974-09-09 | 1977-06-14 | General Motors Corporation | Turbocharged two-cycle engine with positive blower and internally mounted aftercooler |
| US5638780A (en) * | 1995-03-02 | 1997-06-17 | Daimler-Benz Ag | Inlet system for a two cycle internal combustion engine |
| US6209495B1 (en) * | 1999-04-02 | 2001-04-03 | Walter Warren | Compound two stroke engine |
| CN102230421A (en) * | 2011-05-25 | 2011-11-02 | 中国兵器工业集团第七○研究所 | Air inlet device with two air inlet channels for two-stroke engine |
| US20120266851A1 (en) * | 2011-04-25 | 2012-10-25 | Ecomotors International, Inc. | Intake System for a Two-Stroke Internal Combustion Engine |
| CN103670698A (en) * | 2013-09-09 | 2014-03-26 | 安徽中鼎动力有限公司 | Engine body |
| CN105026724A (en) * | 2013-03-01 | 2015-11-04 | 阿凯提兹动力公司 | Egr for a two-stroke cycle engine without a supercharger |
| CN204804953U (en) * | 2015-01-27 | 2015-11-25 | 安徽中鼎动力有限公司 | Horizontal opposition piston of two cycle, opposition cylinder engine engine block assembly |
-
2015
- 2015-12-08 CN CN201510925120.7A patent/CN105402057A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4028892A (en) * | 1974-09-09 | 1977-06-14 | General Motors Corporation | Turbocharged two-cycle engine with positive blower and internally mounted aftercooler |
| US5638780A (en) * | 1995-03-02 | 1997-06-17 | Daimler-Benz Ag | Inlet system for a two cycle internal combustion engine |
| US6209495B1 (en) * | 1999-04-02 | 2001-04-03 | Walter Warren | Compound two stroke engine |
| US20120266851A1 (en) * | 2011-04-25 | 2012-10-25 | Ecomotors International, Inc. | Intake System for a Two-Stroke Internal Combustion Engine |
| CN102230421A (en) * | 2011-05-25 | 2011-11-02 | 中国兵器工业集团第七○研究所 | Air inlet device with two air inlet channels for two-stroke engine |
| CN105026724A (en) * | 2013-03-01 | 2015-11-04 | 阿凯提兹动力公司 | Egr for a two-stroke cycle engine without a supercharger |
| CN103670698A (en) * | 2013-09-09 | 2014-03-26 | 安徽中鼎动力有限公司 | Engine body |
| CN204804953U (en) * | 2015-01-27 | 2015-11-25 | 安徽中鼎动力有限公司 | Horizontal opposition piston of two cycle, opposition cylinder engine engine block assembly |
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Application publication date: 20160316 |
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