CN202611770U - Compressed gas recovery device for engine - Google Patents
Compressed gas recovery device for engine Download PDFInfo
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- CN202611770U CN202611770U CN 201220231096 CN201220231096U CN202611770U CN 202611770 U CN202611770 U CN 202611770U CN 201220231096 CN201220231096 CN 201220231096 CN 201220231096 U CN201220231096 U CN 201220231096U CN 202611770 U CN202611770 U CN 202611770U
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Abstract
The utility model discloses a compressed gas recovery device for an engine. The compressed gas recovery device comprises a main body, the main body is arranged between a gas inlet and a gas outlet of the engine and comprises a first main body, a second body and a third main body, wherein the first main body, the second body and the third body are sequentially superimposed, the first body is connected with the gas outlet of the engine and is provided with at least one gas recovery pipeline which is communicated with a compressed gas storage pipeline, the first body further is provided with at least one through hole corresponding to the gas outlet of the engine, a one-way valve which is closed while the engine is inhaling is arranged in the through hole, two valve blind holes are arranged on the two sides of the one-way valve, at least one through hole with three gas inlets is arranged on the second main body, and the three gas inlets of the through hole are distributed at intervals on a straight line. By the aid of the compressed gas recovery device, enough gas inflow can be ensured, and the compressed gas recovery device has a good reliability and can work for a long time without leaking.
Description
Technical field
The utility model relates to a kind of engine compresses gas concentration unit, particularly a kind of pressurized gas recovering device that is used for the air mixing power engine.
Background technique
In the working procedure of vehicle, the situation of motor no-load running can appear inevitably.The motor of this moment does not produce power output, but need keep running state, and its piston still is in the to-and-fro motion.Because piston can produce compression to the gas in the piston cylinder when motion; If this compressed gas storage is got up and is back to use the opening/stop in the links such as control, low speed supercharging compensation and the compensation of car load pneumatic system air feed of motor; Just can reduce the oil consumption and the CO2 emissions of motor, the acceleration performance that can also improve automobile also reduces even eliminates the situation of over-emitting black exhaust when quickening.The air mixing power engine is exactly a kind of motor with this pressurized gas reuse technology.
Pressurized gas when realizing that motor is unloaded reclaims, and the pressurized gas recovering device need be set on the air mixing power engine.As shown in Figure 1, existing a kind of technological scheme is on the air flue of motor, to increase by a cover compression gas storage pipeline 100, makes pressurized gas enter into this pressurized gas through single air flue compression gas concentration unit and stores in the pipeline 100.Particularly; The intersection's (promptly being positioned at recovery window 102 places at suction tude 104 middle parts of motor) that stores pipeline 100 and engine air flue at pressurized gas is provided with two reed one-way valves; One of them one-way valve is arranged on the interior recovering mechanism one-way valve 103 of engine air flue (when motor is air-breathing; It is positioned at the upstream position that pressurized gas stores pipeline 100), another one-way valve is arranged on pressurized gas and stores the Gas Recovery passage one-way valve 105 in the pipeline 100.When the motor normal suction, recovering mechanism one-way valve 103 is on state, and gas enters in the motor from cylinder head suction port 101.Gas Recovery passage one-way valve 105 has certain cracking pressure, and its force value is between suction pressure and the exhaust pressure, stores pipeline 100 from the upper airway flow of motor to pressurized gas at the on state lower compression gas of this Gas Recovery passage one-way valve 105.During the motor normal suction, suction pressure (being generally less than 0.2MPa) is less than above-mentioned cracking pressure, thereby do not have gas and enter into pressurized gas and store in the pipeline 100.When being in the engine air flue under the exhaust condition; What discharge from the engine piston chamber is the pressurized gas with elevated pressures; Its force value is enough to back down Gas Recovery passage one-way valve 105; The recovering mechanism one-way valve 103 of this moment then is in closed condition, is stored thereby pressurized gas is entered in the pressurized gas storage pipeline 100.
Existing this pressurized gas recovering device is owing to designed the one-way valve reed structure in intake duct; The one-way valve reed can block a part of circulation area in the intake duct; Reduced air inflow; Thereby can influence the performance of motor, this reliability of structure is also poor simultaneously, when long-term the use, causes because reed is tired easily leaking.
The model utility content
The utility model is in order to overcome above-mentioned defective of the prior art, a kind of improved engine compresses gas concentration unit and method to be provided, and it not only can guarantee enough air inflows, also has enough reliabilities, can long-term work and do not produce leakage.
For realizing above-mentioned purpose, the utility model provides following technological scheme:
A kind of engine compresses gas concentration unit; Comprise the body that is arranged between exhaust opening of engine and the suction port; Said body comprises first body, second body and the 3rd body that stacks successively; Wherein: said first body links to each other with exhaust opening of engine, which is provided with at least one and stores the pressurized gas recovery air flue that pipeline is connected with pressurized gas; Also be provided with at least one through hole corresponding to exhaust opening of engine on this first body, be provided with an one-way valve closed when motor is air-breathing in this through hole, the both sides of this one-way valve are provided with two valve blind holes; Offer at least one three gas port type through hole corresponding with exhaust opening of engine on said second body, three gas ports on this through hole are spaced from each other and are the yi word pattern arrangement; A middle intake duct that gas port is a sleeve configuration, the inlet of this intake duct seal by said one-way valve, and the outlet of this intake duct is connected with pressurized gas recovery air flue on said first body; Two gas ports on both sides are and the corresponding reducing of said valve blind hole hole, and the big mouth in each reducing hole is all towards said first body; Be equipped with a valve in each reducing hole; Said valve flexibly connects through a valve swing arm and said second body; Said valve is blocked the reducing hole corresponding with it when this valve swing arm is lifted to top dead center, and said valve is fitted in and its corresponding valve blind hole bottom when this valve swing arm drops down onto lower dead center; Offer at least one through hole corresponding on said the 3rd body with the suction port of motor.
In the technique scheme, the bottom of the valve blind hole on said first body is a slope, the angle of inclination that its angle of inclination has when the valve swing arm of correspondence is in lower dead center corresponding to said valve.
In the technique scheme, the valve on said second body is dish-shaped valve.
In the technique scheme, through hole on the through hole on said first body, said second body and the through hole on said the 3rd body are the square opening with knuckle.
In the technique scheme, the cracking pressure of said one-way valve is 0.5MPa.
In the technique scheme, said one-way valve is the reed-type one-way valve, and its reed faces the inlet of the intake duct of said second body, when this reed during by jack-up, forms the gas passageway between the intake duct of said one-way valve and said second body.
In the technique scheme, said reed is the titanium alloy reed.
In the technique scheme, be provided with one deck pad between said the 3rd body and the engine intake, offer through hole on this pad corresponding to engine intake.
A kind of engine compresses Gas recovering method; Comprise air-breathing step and pressurized gas recycling step; Wherein: said air-breathing step is carried out when motor is air-breathing; It comprises the valve swing arm on said second body is all dropped on down to the position, makes the valve that links to each other with said valve swing arm be attached to the bottom of the valve blind hole on said first body; Said pressurized gas recycling step carries out when motor zero load exhaust, and it comprises all lifts to the valve swing arm on said second body to the position, makes the valve closing that links to each other with said valve swing arm, the gas circuit between isolated exhaust opening of engine and the suction port.
Compared with prior art, the utlity model has following beneficial effect:
1, in three gas port type through holes of second body, two valves have been designed; When these two valve opens; The gas passageway of its formation has enough big circulation area, can guarantee the air inflow when motor is air-breathing, thereby can not cause harmful effect to engine performance.
2, the reed processed of titanium alloy has enough strong elastic force and sufficiently high fatigue resistance; Not only can open/close high speed switching position when switching at one-way valve; Can also keep good working performance for a long time; This just makes one-way valve not only have the performance of switching at a high speed, also has operating life steady in a long-term, is particularly suitable in the pressurized gas recovering device of air mixing power engine, using.
3, dish-shaped valve is evenly distributed than the stressed of other shape valves, good sealing effect, and especially when valve needed long-term folding to switch, its dish-shaped valve block was not easy to produce and destroys, and can keep stable sealing effect.
4, the valve blind hole bottom design sloping face on first body; And the oblique angle of valve was consistent when the angle of inclination on this slope and valve swing arm were in lower dead center; So just can make valve under opening-wide state, be in an even stressed state; And motor all needs valve to be in such opening-wide state when being in suction condition with normal band loaded-up condition, because of discontinuity for a long time breakage or decreased performance takes place too early so this slope can prevent valve.
Description of drawings
Fig. 1 is existing single air flue compression gas concentration unit structural representation;
Fig. 2 is the single cylinder position view of motor the utility model when air-breathing;
Fig. 3 is the single cylinder position view of the utility model when reclaiming pressurized gas;
Fig. 4 is the plan view of first body;
Fig. 5 is the worm's eye view of first body;
Fig. 6 is the plan view of second body;
Fig. 7 is the worm's eye view of second body;
Fig. 8 is the plan view of the 3rd body;
Fig. 9 is the worm's eye view of the 3rd body.
In conjunction with the accompanying drawing following reference character of mark above that:
The 100-pressurized gas stores pipeline, 101-cylinder head suction port, and 102-reclaims window, 103-recovering mechanism one-way valve, 104-suction tude; 105-Gas Recovery passage one-way valve, 1-cylinder head, 2-one-way valve, 3-first body, 301-through hole; The 302-pressurized gas reclaims air flue, 303-valve blind hole, 4-dish valve, 5-titanium alloy reed, 6-intake duct; 7-second body, 701-through hole, 702-reducing hole, the swing arm of 8-valve, 9-the 3rd body; The 901-through hole, 10-pad, 11-suction port, 12-relief opening.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the utility model is described in detail, but the protection domain that is to be understood that the utility model does not receive the restriction of embodiment.
As shown in Figure 1, be the prior art constructions figure that the utility model is directed against.
To existing technology, one of purpose of the utility model is to provide a kind of engine compresses gas concentration unit, and two of purpose is to provide a kind of engine compresses Gas recovering method.For the convenience of explaining, in following embodiment and the accompanying drawing 4 to 9 mentioned on/down, bow/face upward and go up to/down to relation all be with first body in the device body of the utility model for down, the 3rd body is last.This explanation only is the relative position relation for each parts in the clear expression device, and does not represent the restriction to the actual arrangement mode.Those skilled in the art can expect the device of the utility model is placed according to other directions under the prerequisite that does not change structural type in the scope of existing technology, are included in equally in the protection domain of the utility model.
Device embodiment
A kind of engine compresses gas concentration unit can use in single cylinder or multi-cylinder (for example six cylinders shown in Fig. 4 to 9) air mixing power engine, is single cylinder position schematic representation wherein shown in Fig. 2 and 3.When being applicable to the multi-cylinder position, corresponding each cylinder position of the structure shown in Fig. 2 and 3 arranged get final product.Six cylinders of present embodiment only are illustrative giving an example, and do not represent the restriction to mode of execution.
Above-mentioned engine compresses gas concentration unit comprises relief opening 12 and the body between the suction port 11 on the cylinder head 1 that is arranged on motor.When motor was air-breathing, air outside got into from suction port 11; During the engine compresses Gas Recovery, the pressurized gas in the piston cylinder is discharged from relief opening 12.Above-mentioned body comprises first body 3, second body 7 and the 3rd body 9 that stacks successively.Arrow among Fig. 2 and 3 is represented the gas flow under the shown position respectively.Be provided with one deck pad 10 between the 3rd body 9 and the suction port 11, offer through hole on this pad 10 corresponding to suction port 11.First body 3 links to each other with relief opening 12.
Shown in Figure 4 and 5, first body 3 is provided with six pressurized gass that are connected with pressurized gas storage pipeline and reclaims air flue 302 and six through holes 301 corresponding to relief opening 12.Be provided with an one-way valve 2 closed when motor is air-breathing in the through hole 301, the both sides of this one-way valve 2 are provided with two valve blind holes 303, and the bottom of valve blind hole 303 is slopes.
Shown in Fig. 6 and 7, offer six three gas port type through holes 701 corresponding on second body 7 with relief opening 12, three gas ports on this through hole 701 are spaced from each other and are yi word pattern and arrange.The intake duct 6 that a middle gas port is a sleeve configuration, the inlet of this intake duct 6 be by one-way valve 2 sealings, and the outlet of this intake duct 6 is connected with pressurized gas recovery air flue 302 on first body 3.Two gas ports on both sides are and valve blind hole 303 corresponding reducing holes 702, and the big mouth in each reducing hole 702 is all towards first body 3.Be equipped with a dish-shaped valve 4 in each reducing hole 702, each dish-shaped valve 4 flexibly connects through a valve swing arm 8 and second body 7.
As shown in Figure 3, dish valve 4 is blocked two the reducing holes 702 corresponding with it when two valve swing arms 8 are lifted to top dead center, and the gas circuit between suction port 11 and the relief opening 12 is disconnected.As shown in Figure 2, on dish valve 4 is fitted at the bottom of the slope with its corresponding valve blind hole 303 when two valve swing arms 8 drop down onto lower dead center, gas can be entered in the motor swimmingly from suction port 11.In order to make the stressed even of dish-shaped valve 4, the angle of inclination that the angle of inclination of slope has when the valve swing arm 8 of correspondence is in lower dead center corresponding to dish-shaped valve 4.
Shown in Fig. 8 and 9, offer six through holes 901 corresponding on the 3rd body 9 with suction port 11.For the ease of being arranged to multi-cylinder form side by side, through hole 301 and 901 all is designed with the square opening of knuckle.
Because the suction pressure when motor is air-breathing is generally less than 0.2MPa, for preventing misoperation, one-way valve 2 is reed-type one-way valves that cracking pressure is preferably 0.5MPa, and it has the titanium alloy reed 5 of the inlet that faces intake duct 6.The pressure of the pressurized gas of the indoor generation of engine piston is greater than 0.5MPa; When pressurized gas is discharged in relief opening 12; Titanium alloy reed 5 can be compressed gas jack-up; Form gas passageway between one-way valve 2 and the intake duct 6 this moment, and pressurized gas is known from experience and entered into pressurized gas from intake duct 6 and reclaim in the air flue 302, and then enter into pressurized gas storage pipeline and be stored.In order to guarantee the recovery of pressurized gas, as shown in Figure 3, need valve swing arm 8 be lifted to top dead center.The switch speed of airflow direction is very fast during the motor operation, and the elasticity speciality that titanium alloy reed 5 is had can make it accomplish with very fast speed and open/close switching.
Also there is other technology contents in said apparatus part, the sealing means of jointing etc. in first body, second body and the 3rd body means of fixation and the gas circuit each other for example, owing to can in the scope of known technology, solve, thereby no longer carefully state.
Method embodiment
A kind of engine compresses Gas recovering method comprises air-breathing step and pressurized gas recycling step, wherein:
Air-breathing step is carried out when motor is air-breathing, and it comprises the valve swing arm 8 on second body 7 is all dropped on down to the position, makes dish-shaped valve 4 be attached to the bottom of valve blind hole 303.
The pressurized gas recycling step carries out when motor zero load exhaust; It comprises all lifts to valve swing arm 8 to the position; Make dish-shaped valve 4 close (being the position that dish-shaped valve 4 shown in Figure 3 seals reducing holes 702), the gas circuit between isolated exhaust opening of engine 12 and the suction port 11.This moment, pressurized air was discharged from relief opening 12, and was stored according to the flow direction of one-way valve 2 → intake duct 6 → pressurized gas recovery air flue 302 → pressurized gas storage pipeline.
The control mode of above-mentioned valve swing arm 8 can be selected for use in machinery, electronics, air pressure, hydraulic pressure and other control mode according to those skilled in the art's knowledge according to actual needs flexibly.Because the action control mode of this valve swing arm 8 can be solved by existing technology, so no longer carefully state in the present embodiment.
More than the disclosed more excellent specific embodiment that is merely the utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into the protection domain of the utility model.
Claims (8)
1. an engine compresses gas concentration unit comprises the body that is arranged between exhaust opening of engine and the suction port, it is characterized in that, said body comprises first body, second body and the 3rd body that stacks successively, wherein:
Said first body links to each other with exhaust opening of engine, which is provided with at least one and stores the pressurized gas recovery air flue that pipeline is connected with pressurized gas; Also be provided with at least one through hole corresponding to exhaust opening of engine on this first body, be provided with an one-way valve closed when motor is air-breathing in this through hole, the both sides of this one-way valve are provided with two valve blind holes;
Offer at least one three gas port type through hole corresponding with exhaust opening of engine on said second body, three gas ports on this through hole are spaced from each other and are the yi word pattern arrangement; A middle intake duct that gas port is a sleeve configuration, the inlet of this intake duct seal by said one-way valve, and the outlet of this intake duct is connected with pressurized gas recovery air flue on said first body; Two gas ports on both sides are and the corresponding reducing of said valve blind hole hole, and the big mouth in each reducing hole is all towards said first body; Be equipped with a valve in each reducing hole; Said valve flexibly connects through a valve swing arm and said second body; Said valve is blocked the reducing hole corresponding with it when this valve swing arm is lifted to top dead center, and said valve is fitted in and its corresponding valve blind hole bottom when this valve swing arm drops down onto lower dead center;
Offer at least one through hole corresponding on said the 3rd body with the suction port of motor.
2. engine compresses gas concentration unit according to claim 1; It is characterized in that; The bottom of the valve blind hole on said first body is a slope, the angle of inclination that its angle of inclination has when the valve swing arm of correspondence is in lower dead center corresponding to said valve.
3. engine compresses gas concentration unit according to claim 1 is characterized in that, the valve on said second body is dish-shaped valve.
4. engine compresses gas concentration unit according to claim 1 is characterized in that, the through hole on through hole on said first body and said the 3rd body is the square opening with knuckle.
5. engine compresses gas concentration unit according to claim 1 is characterized in that, the cracking pressure of said one-way valve is 0.5MPa.
6. engine compresses gas concentration unit according to claim 1; It is characterized in that; Said one-way valve is the reed-type one-way valve; Its reed faces the inlet of the intake duct of said second body, when this reed during by jack-up, forms the gas passageway between the intake duct of said one-way valve and said second body.
7. engine compresses gas concentration unit according to claim 6 is characterized in that, said reed is the titanium alloy reed.
8. engine compresses gas concentration unit according to claim 1 is characterized in that, is provided with one deck pad between said the 3rd body and the engine intake, offers the through hole corresponding to engine intake on this pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220231096 CN202611770U (en) | 2012-05-22 | 2012-05-22 | Compressed gas recovery device for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220231096 CN202611770U (en) | 2012-05-22 | 2012-05-22 | Compressed gas recovery device for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202611770U true CN202611770U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220231096 Expired - Lifetime CN202611770U (en) | 2012-05-22 | 2012-05-22 | Compressed gas recovery device for engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN202611770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422891A (en) * | 2012-05-22 | 2013-12-04 | 广西玉柴机器股份有限公司 | Device and method for recovery of compressed gas of engine |
-
2012
- 2012-05-22 CN CN 201220231096 patent/CN202611770U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422891A (en) * | 2012-05-22 | 2013-12-04 | 广西玉柴机器股份有限公司 | Device and method for recovery of compressed gas of engine |
| CN103422891B (en) * | 2012-05-22 | 2015-07-01 | 广西玉柴机器股份有限公司 | Device and method for recovery of compressed gas of engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121219 Effective date of abandoning: 20150701 |
|
| RGAV | Abandon patent right to avoid regrant |