CN201106460Y - Electric spiracula for internal combustion engine - Google Patents
Electric spiracula for internal combustion engine Download PDFInfo
- Publication number
- CN201106460Y CN201106460Y CNU2007200813939U CN200720081393U CN201106460Y CN 201106460 Y CN201106460 Y CN 201106460Y CN U2007200813939 U CNU2007200813939 U CN U2007200813939U CN 200720081393 U CN200720081393 U CN 200720081393U CN 201106460 Y CN201106460 Y CN 201106460Y
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- Prior art keywords
- valve
- electromagnet
- spring
- permanent magnet
- combustion engine
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Valve Device For Special Equipments (AREA)
Abstract
The utility model relates to an internal combustion engine used electric valve which comprises a valve seat ring and a valve guide which are installed on a cylinder cover, a valve rod which penetrates through the valve guide, and a valve which is connected with the lower end of the valve rod. The utility model is characterized in that the internal combustion engine used electric valve also comprises a permanent magnet which is fixed and connected with the upper end of the valve rod, an annular valve spring which is arranged at the lower part of the permanent magnet and is sheathed outside the valve rod, and an electromagnet which is arranged at the lower part of the permanent magnet, in the valve spring and out of the valve rod, and is fixed and connected with the cylinder cover. By adopting the utility model, magnetic force overcomes spring force to open the valve by electrifying, on-off time of the valve is completely controlled by electric current in the electromagnet, thereby reaching the purpose that the on-off time of the valve is flexibly adjusted according to various working condition requirements for an engine. The internal combustion engine used electric valve has the advantages of simple structure, convenient installation, easy control and strong practicability.
Description
Technical field
The utility model belongs to the cycling control valve unit that combustion engine is used, and relates to the electric air valve that a kind of internal-combustion engine is used.Be applicable in the valve gear that motor car engine or other internal-combustion engine use.
Background technique
In the prior art, the valve mechanism of internal-combustion engine is general main by the air valve seat ring and the valve guide bushing that are installed on the cylinder head, pass the valve stem of valve guide bushing, with compositions such as the valve that the valve stem lower end is connected, tappet or tappet, rocking arm, pitman arm shaft, timing chain, timing sprocket, camshafts; Because valve work relies on camshaft actuated, the valve switching time is limited by the camshaft molded lines, intake and exhaust amount, the adjusting of intake and exhaust time are restricted: in the big operating mode of loading, needing to increase air inflow, the IO Intake Valve Opens time can not prolong to increase the mixed gas intake, improves output torque; At little load, need reduce the operating mode of air inflow, can not reduce the mixed gas air inflow by shortening the valve switching time; The inlet and exhaust valve overlapping angle can not be changed, effectively exhaust gas recirculation in the control cylinder.Chinese patent ZL200420116483.3 discloses a kind of " electromagnetic air valve ", and the characteristics of this valve are that a magnet is fixed in the valve top, and another magnet is suspended in valve top, opens valve by electromagnetic repulsion force; This electromagnetic air valve needs the controlling magnet mounting point, and component are many, complex structure, cost height; During work, the big more but magnet spacing of valve opening spring force big more, that need overcome is increasing, and the electromagnetic force that produces under the situation of same current is but reducing; Reach the valve standard-sized sheet, required Peak current is bigger, the electromagnet Number of ampere turns must increase, the volume of electromagnet strengthens, and causes difficulty to installation, required electric current increases and also causes unnecessary energy loss simultaneously.
Summary of the invention
The purpose of this utility model is intended to overcome above-mentioned deficiency of the prior art, place valve top, another piece magnet (electromagnet or permanent magnet) to place valve spring inside a magnet (permanent magnet or electromagnet) by adopting, energising allows magnet overcome the spring force adhesive and opens valve, valve and open and close the time fully by the mode of the Current Control in the electromagnet, can adjust valve flexibly according to each operating mode demand of motor and opens and closes the electric air valve that time, easy, simple in structure, the practical internal-combustion engine of control uses thereby provide a kind of.
Content of the present utility model is: the electric air valve that a kind of internal-combustion engine is used, comprise: be installed in air valve seat ring and valve guide bushing on the cylinder head, pass the valve stem of valve guide bushing, the valve that is connected with the valve stem lower end, it is characterized in that also comprising: the permanent magnet (7) of fixedlying connected with described valve stem (4) upper end, be arranged at permanent magnet (7) below, be enclosed within the outer annular air door spring (6) of valve stem (4), the electromagnet (8) of be arranged in permanent magnet (7) below, the valve spring (6), valve stem (4) is outer, fixedlying connected with cylinder head (1).
In the content of the present utility model: described electromagnet (8) is can the ring electromagnet.
In the content of the present utility model: the diameter of described electromagnet (8) is preferably diameter or the length less than valve spring (6), and fixedlying connected with cylinder head (1) in the lower end of valve spring (6), fixedlys connected with permanent magnet (7) in the upper end.
Another content of the present utility model is: the electric air valve that a kind of internal-combustion engine is used, comprise: be installed in air valve seat ring and valve guide bushing on the cylinder head, pass the valve stem of valve guide bushing, the valve that is connected with the valve stem lower end, it is characterized in that also comprising: the electromagnet (7) of fixedlying connected with described valve stem (4) upper end, be arranged at electromagnet (7) below, be enclosed within the outer annular air door spring (6) of valve stem (4), the electromagnet (8) of be arranged in electromagnet (7) below, the valve spring (6), valve stem (4) is outer, fixedlying connected with cylinder head (1).
In another content of the present utility model: described electromagnet (8) can be the ring electromagnet.
In another content of the present utility model: the diameter of described electromagnet (8) is preferably diameter or the length less than valve spring (6), and fixedlying connected with cylinder head (1) in the lower end of valve spring (6), fixedlys connected with electromagnet (7) in the upper end.
Another content of the present utility model is: the electric air valve that a kind of internal-combustion engine is used, comprise: be installed in air valve seat ring and valve guide bushing on the cylinder head, pass the valve stem of valve guide bushing, the valve that is connected with the valve stem lower end, it is characterized in that also comprising: the electromagnet (7) of fixedlying connected with described valve stem (4) upper end, be arranged at electromagnet (7) below, be enclosed within the outer annular air door spring (6) of valve stem (4), the permanent magnet (8) of be arranged in electromagnet (7) below, the valve spring (6), valve stem (4) is outer, fixedlying connected with cylinder head (1).
In the content of this model utility: described permanent magnet (8) can be round ring magnet.
In the content of this model utility: the diameter of described permanent magnet (8) is preferably diameter or the length less than valve spring (6), and fixedlying connected with cylinder head (1) in the lower end of valve spring (6), fixedlys connected with electromagnet (7) in the upper end.
Compared with prior art, the utlity model has following characteristics:
(1) adopts the utility model, do not re-use a large amount of parts of the prior art such as crankshaft timing sprocket, cam shaft timing chain wheel, chain, damper, tension device, camshaft, rocking arm, pitman arm shaft, do not need throttle body simultaneously; By a magnet (permanent magnet or electromagnet) is placed the valve top, another piece magnet (electromagnet or permanent magnet) places valve spring inside, energising allows magnet overcome the spring force adhesive and opens valve, valve opens and closes the time fully by the mode of the Current Control in the electromagnet, reach and pass through ECU (Electrical Control Unit), adjust the purpose that valve opens and closes the time flexibly according to each operating mode demand of motor, control easy, simple in structure, easy manufacturing, easy for installation, cost is low, energy consumption is low, practical;
(2) electric air valve of employing the utility model Electromagnetic Drive, the valve switching time is by the Current Control in the electromagnet, electric current by ECU (Electrical Control Unit) control, can be broken away from the situation that the valve switching time is limited by the camshaft molded lines again, realizes the infinitely adjustable of intake and exhaust amount, intake and exhaust time; Can need to increase air inflow time delay progress valve-opening time according to each operating mode demand, shorten the IO Intake Valve Opens time when needing to reduce air inflow, no longer need throttle body, avoid closure to increase intake resistance and pumping loss; But free adjusting inlet and exhaust valve overlapping angle needs to reduce the quantity that exhaust gas inside cylinder participates in recirculation, then reduces valve overlap, and needing increases the quantity that exhaust gas inside cylinder participates in recirculation, then increases the inlet and exhaust valve overlapping angle; No longer need intelligent alterable valve timing system or variable valve lift system, more more flexible to the tissue of intake and exhaust than prior art mode;
When (3) the utility model product was worked, valve opening was big more, though the spring force that need overcome is increasing, distance diminishes between magnet, the electromagnetic force increase that equal electric current produces, and required Peak current significantly descends, thereby the control of valve standard-sized sheet is easily.
Description of drawings
Fig. 1 is the utility model example structure schematic representation.
Among the figure: 1-cylinder head, 2-air valve seat ring, 3-valve guide bushing, 4-valve stem, 5-valve, 6-valve spring, 7-permanent magnet or electromagnet, 8-electromagnet or permanent magnet.
Embodiment
The utility model is described in further detail by embodiment below in conjunction with accompanying drawing.
Embodiment 1: referring to accompanying drawing.
The electric air valve that a kind of internal-combustion engine is used, comprise: be installed in air valve seat ring 2 and valve guide bushing 3 on the cylinder head 1, pass the valve stem 4 of valve guide bushing 3, the valve 5 that is connected with valve stem 4 lower ends, the permanent magnet 7 of fixedlying connected (can be iron or other magnetic conductive material) with valve stem 4 upper ends, be arranged at permanent magnet 7 belows, be enclosed within the outer annular air door spring 6 of valve stem 4, the ring electromagnet 8 of be arranged in permanent magnet 7 belows, the valve spring 6, valve stem is 4 outer, fixedlying connected with cylinder head 1; The diameter of electromagnet 8 is less than the diameter of valve spring 6, and fixedlying connected with cylinder head 1 in the lower end of valve spring 6, fixedlys connected with permanent magnet 7 in the upper end.
Under the normality, under the spring force effect of valve spring 6, valve 5 is in closed condition, between electromagnet 8 and the permanent magnet 7, has the gap consistent with valve stroke.
Open valve: 8 energisings produce magnetic field to electromagnet to adopt ECU (Electrical Control Unit) (same prior art), and electromagnet 8 promptly and between the permanent magnet 7 produces magnetic force, and under magnetic force, the spring force that permanent magnet 7 overcomes valve spring 6 moves downward, and drives valve 5 and opens.
Keep valve opening: electromagnetic force is slightly larger than spring force, and electromagnet 8 is in attracting state with permanent magnet 7, and permanent magnet 7 drives valve 5 standard-sized sheets.
Close valve: tripping magnet 8 electric currents, valve 5 and permanent magnet 7 return under the spring force effect.(under the situation that adopts permanent magnet 7, also can lead to back currents, and produce repulsion between the permanent magnet 7, boosting valve 5 returns) to electromagnet 8.
Embodiment 2: referring to accompanying drawing.
The electric air valve that a kind of internal-combustion engine is used, comprise: be installed in air valve seat ring 2 and valve guide bushing 3 on the cylinder head 1, pass the valve stem 4 of valve guide bushing 3, the valve 5 that is connected with valve stem 4 lower ends, it is characterized in that also comprising: the electromagnet 7 of fixedlying connected with valve stem 4 upper ends, be arranged at electromagnet 7 belows, be enclosed within the outer annular air door spring 6 of valve stem 4, the ring electromagnet 8 of be arranged in electromagnet 7 belows, the valve spring 6, valve stem is 4 outer, fixedlying connected with cylinder head 1; The diameter of described electromagnet 8 is less than the diameter of valve spring 6, and fixedlying connected with cylinder head 1 in the lower end of valve spring 6, fixedlys connected with electromagnet 7 in the upper end.
Under the normality, under the spring force effect of valve spring 6, valve 5 is in closed condition, between electromagnet 7 and the electromagnet 8, has the gap consistent with valve stroke.
Open valve: adopting ECU (Electrical Control Unit) (same prior art) is electromagnet 7 and the electromagnet 8 generation magnetic field that switch on simultaneously to two blocks of electromagnet, produce magnetic force between two blocks of electromagnet, and under magnetic force, the spring force that the electromagnet 7 of upper end overcomes valve spring 6 moves downward, and drives valve opening.
Keep valve opening: electromagnetic force is slightly larger than spring force, and two blocks of electromagnet are in attracting state, and electromagnet 7 drives the valve standard-sized sheet.
Close valve: tripping magnet 7 and electromagnet 8 electric currents, valve 5 and electromagnet 7 be return under the spring force effect of valve spring 6.(also can change a current of electromagnet direction, and produce repulsion between another piece electromagnet, boosting valve return).
Embodiment 3: referring to accompanying drawing.
The electric air valve that a kind of internal-combustion engine is used, comprise: be installed in air valve seat ring 2 and valve guide bushing 3 on the cylinder head 1, pass the valve stem 4 of valve guide bushing 3, the valve 5 that is connected with valve stem 4 lower ends, it is characterized in that also comprising: the electromagnet 7 of fixedlying connected with valve stem 4 upper ends, be arranged at electromagnet 7 belows, be enclosed within the outer annular air door spring 6 of valve stem 4, the round ring magnet 8 (can be iron or other magnetic conductive material) of be arranged in electromagnet 7 belows, the valve spring 6, valve stem is 4 outer, fixedlying connected with cylinder head 1; The diameter of described permanent magnet 8 is less than the diameter of valve spring 6, and fixedlying connected with cylinder head 1 in the lower end of valve spring 6, fixedlys connected with electromagnet 7 in the upper end.
Under the normality, under the effect of the spring force of valve spring 6, valve 5 is in closed condition, between electromagnet 7 and the permanent magnet 8, has the gap consistent with valve stroke.
Open valve: 7 energisings produce magnetic field to electromagnet to adopt ECU (Electrical Control Unit) (same prior art), produce magnetic force between electromagnet 7 and the permanent magnet 8, and under magnetic force, the spring force that electromagnet 7 overcomes valve spring 6 move downward, and drive valve 5 and open.
Keep valve opening: electromagnetic force is slightly larger than spring force, and electromagnet 7 is in attracting state with permanent magnet 8, and electromagnet 7 drives valve 5 standard-sized sheets.
Close valve: tripping magnet 7 electric currents, valve 5 and electromagnet 7 be return under the spring force effect of valve spring 6.(under the situation that adopts permanent magnet 8, can also produce repulsion between electromagnet 7 and the permanent magnet 8, boosting valve 5 returns) to electromagnet 7 logical back currents.
The utility model is not limited to the foregoing description, and the utility model content is described all can implement and have described good result.
Claims (9)
1, the electric air valve used of a kind of internal-combustion engine, comprise: be installed in air valve seat ring and valve guide bushing on the cylinder head, pass the valve stem of valve guide bushing, the valve that is connected with the valve stem lower end, it is characterized in that also comprising: the permanent magnet (7) of fixedlying connected with described valve stem (4) upper end, be arranged at permanent magnet (7) below, be enclosed within the outer annular air door spring (6) of valve stem (4), the electromagnet (8) of be arranged in permanent magnet (7) below, the valve spring (6), valve stem (4) is outer, fixedlying connected with cylinder head (1).
2, the electric air valve used of internal-combustion engine according to claim 1, it is characterized in that: described electromagnet (8) is the ring electromagnet.
3, the electric air valve used of internal-combustion engine according to claim 1 and 2, it is characterized in that: the diameter of described electromagnet (8) is less than the diameter or the length of valve spring (6), and fixedlying connected with cylinder head (1) in the lower end of valve spring (6), fixedlys connected with permanent magnet (7) in the upper end.
4, the electric air valve used of a kind of internal-combustion engine, comprise: be installed in air valve seat ring and valve guide bushing on the cylinder head, pass the valve stem of valve guide bushing, the valve that is connected with the valve stem lower end, it is characterized in that also comprising: the electromagnet (7) of fixedlying connected with described valve stem (4) upper end, be arranged at electromagnet (7) below, be enclosed within the outer annular air door spring (6) of valve stem (4), the electromagnet (8) of be arranged in electromagnet (7) below, the valve spring (6), valve stem (4) is outer, fixedlying connected with cylinder head (1).
5, the electric air valve used of internal-combustion engine according to claim 4, it is characterized in that: described electromagnet (8) is the ring electromagnet.
6, the electric air valve of using according to claim 4 or 5 described internal-combustion engines, it is characterized in that: the diameter of described electromagnet (8) is less than the diameter or the length of valve spring (6), and fixedlying connected with cylinder head (1) in the lower end of valve spring (6), fixedlys connected with electromagnet (7) in the upper end.
7, the electric air valve used of a kind of internal-combustion engine, comprise: be installed in air valve seat ring and valve guide bushing on the cylinder head, pass the valve stem of valve guide bushing, the valve that is connected with the valve stem lower end, it is characterized in that also comprising: the electromagnet (7) of fixedlying connected with described valve stem (4) upper end, be arranged at electromagnet (7) below, be enclosed within the outer annular air door spring (6) of valve stem (4), the permanent magnet (8) of be arranged in electromagnet (7) below, the valve spring (6), valve stem (4) is outer, fixedlying connected with cylinder head (1).
8, the electric air valve used of internal-combustion engine according to claim 7, it is characterized in that: described permanent magnet (8) is a round ring magnet.
9, the electric air valve of using according to claim 7 or 8 described internal-combustion engines, it is characterized in that: the diameter of described permanent magnet (8) is less than the diameter or the length of valve spring (6), and fixedlying connected with cylinder head (1) in the lower end of valve spring (6), fixedlys connected with electromagnet (7) in the upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200813939U CN201106460Y (en) | 2007-10-01 | 2007-10-01 | Electric spiracula for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200813939U CN201106460Y (en) | 2007-10-01 | 2007-10-01 | Electric spiracula for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106460Y true CN201106460Y (en) | 2008-08-27 |
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ID=39958259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200813939U Expired - Lifetime CN201106460Y (en) | 2007-10-01 | 2007-10-01 | Electric spiracula for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201106460Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854323A (en) * | 2019-03-12 | 2019-06-07 | 北方工业大学 | Piston engine valve device with low power consumption and quick response |
-
2007
- 2007-10-01 CN CNU2007200813939U patent/CN201106460Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854323A (en) * | 2019-03-12 | 2019-06-07 | 北方工业大学 | Piston engine valve device with low power consumption and quick response |
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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: 20080827 |