TW200827533A - An apparatus for variable valve timing control of engine - Google Patents

Abstract

An apparatus for variable valve timing control of engine comprises a valve module, a solenoid valve and an actuating module. The valve module has a valve plug and a valve rod, one end of the valve rod connects to the top of the valve plug. The solenoid valve provides an inner space, and the other end of the valve rod is combined movably with the inner space of the solenoid valve. The actuating module is connected with one end of the solenoid valve. While the actuating module actuates the valve module to reciprocate in an axial direction with respect to a cylinder, the solenoid valve controls the axial displacement of the valve module for changing the valve timing and the valve life of the engine.

Description

200827533 IX. Description of the Invention: [Technical Field] The present invention relates to a variable valve timing device for an engine, and more particularly to providing a solenoid valve at one end of a valve assembly for further controlling and changing the engine Variable valve timing device for the engine of the valve timing. [Prior Art] 'The variable engine timing device of the conventional engine, such as the new patent of the "Non-section variable valve timing structure" of the Republic of China Announcement No. 488482, & The utility model comprises a valve assembly 7 and a cam assembly cylinder 9, and the conventional structure needs to be combined with a vehicle computer system (not shown) 1 and provided with a valve port 91. The valve assembly 7 can be selectively applied to an intake and exhaust valve, and a valve head 71 corresponding to the position of the steam red 9 for controlling a gas inlet or Discharge the car. Referring to FIG. 1 again, the cam assembly 8 has a cam shaft 81 and a plurality of cams 82. The cam 82 is fixed to the π % % shaft 81 so that the cam shaft 81 drives the cam 82. Turn. The cam magic-inclined surface 821 'the valve 7 of the valve 7 is at the end of the inclined surface 821, so that the cam 82 is linked by the tilting surface 821 The valve 7 is driven relative to the steam red 9 ^= 'If the mast 72 is convexly provided - the abutting portion 721, so that the two ends of the y is divided by the abutting portion 721 and the "9 top two springs" Block [not labeled]. By the second valve spring 73, and then to avoid the steam head η close _ 抵 于 于 于 于 于 于 于 于 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该Pat\PKIQ234 doc —5 — 200827533 Please refer to the 筮1 κπ timing device for the input diagram, when using the variable valve system of the conventional engine to the one end slope 821 of the valve-end inclined surface protection The first end (not shown, that is, relative to the cylinder 9: the valve 2 rotates the cam 82 to drive the valve 7 into a bovine heart 1 91 formation - a vapor lift, the money body can pass through The valve port % enters the steam car 9 . , , the valve is positive bL ^ 1 to 3 shown in the figure 'When the f engine is variable. 丄 eight = under-lifting speed, the vehicle computer system The engine i is axially displaced, so that the end of the steamer 72 is erected against the inclined surface 821. [Unexamined, that is, the right end of the inclination 1~]. Due to the setting of the inclined surface 821 Therefore, the outer diameter crane of the cam end is smaller than the outer diameter of the second end of the cam 82, and the cruise ship 82 is recorded by the 卩口 phase _ the valve port % forms a larger spacing of the other valve head, thereby improving the engine The amount of intake air increases the gas combustion efficiency in the combustion chamber of the engine. In general, the variable valve timing device of the above-described conventional engine has the following disadvantages, for example, since the conventional structure utilizes the cam on the cam, The face 82 is so that the valve 7 is different from the cylinder 9: steam;; head. However, it fails to match the ignition timing of the cylinder 9 and adjusts the valve timing of the valve 7' Therefore, it is impossible to effectively improve the efficiency of the shovel and exhaust gas. At the same time, the conventional structure can only be used for the overhead head engine (over head camshaft 'OHC), and cannot be used for the overhead engine (over head) Valve, ie 〇hv], causes it to be true Law effectively applied to various types of engines. For these reasons, it is necessary to enter

D:\0I-1 Linda\PK

Pet\PKID Coffee.doc A 6 — nf>/12/20/08:5 200827533 A variable valve timing device for improving the above-mentioned conventional engine. In view of this, the present invention does a good job of the above-mentioned shortcomings, one of which is: the valve stem _ is set to be combined with the - electromagnetic movement: s, so that the pay-drive _ group yokes the linkage of the solenoid valve electromagnetic 带The axial displacement of the valve assembly, the volumetric efficiency and the increased output power, == gas [invention content] oil consumption. The device of the present invention; ==::r-増ji The secondary purpose of the present invention is that the storage valve can be: 'The solenoid valve is preferably selected from the group consisting of - linear electric ^ 2 magnetic 阙 continuous control of the axis of the valve assembly To the second field 5, the valve timing of the electric engine and the large throttle of the valve, the adjustment of the bow and the precision of the bow = the variable valve of the present invention having the lifting member Time device, i and, gas: = one drive module. The valve assembly has a throttle space. The transmission die 2 is coupled to the transmission module to interlock the valve assembly relative to the first steam:::: two ends of the = H Afil-l LindnVPK Pal\PK10234. doc nr. / i2/2r, / 〇 8; 5a λ 7 — 200827533 The axial displacement of the fly gate assembly is adjusted to adjust the valve assembly relative to the steam valve timing and the valve head. [Embodiment] ^ To make Ben Ming's above and other purposes, features and advantages more obvious

憧 憧 憧 憧 憧 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文 下文4 sets can be used for _ top-mounted valves [. Old U P > V] or top head camshaft (OHC) engine, flying rainbow structure. In this embodiment, the top-mounted valve engine three transmissions f ^ 1 ^ door assembly 1, - solenoid valve 2, - valve spring 3, ^ 4 and - steam & 5' and the components are preferably connected - driving computer .上上7:::==== The undead valve is combined with the amount of the bottom of the n-mount μ _2. The transmission is used to control the displacement of the vehicle, and the 4th door of the valve assembly 1 corresponds to the top of the solenoid valve 2 of the solenoid valve 2, and is correspondingly located in the transmission module 4 Below the end, the moving module 4 is actuated by interlocking the valve assembly via the electromagnetic reading 2.兮, ★卩日, 屋 The housing is axially oriented, and the yoke=yellow 3 is elastically stretchable and sleeved outside the valve assembly 1 between the solenoid valve 2 and the cylinder 5. Variable steam map: show wide - real, ^ clothing door assembly 1 is equipped with a steam head 11 , a steam door 200827533 13 . The outer diameter of the valve head u is slightly larger than the aperture ' of the ::; 51 to the valve head i 5 51. The α-door 12 is connected to the end of the valve fly Hd π and is coupled to the top of the electromagnetic room. The steam is disposed at an appropriate position on the outer peripheral surface of the valve stem 12. Λ Λ Λ 13 彼 彼 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁The electromagnetic coil 20 is disposed at the top end of the electromagnetic valve 2, and the valve rod 12 is moved. The operating space 21 is correspondingly opened to the magnetic valve. The inside of the solenoid valve 2, and the opening of the operating space 222's shape valve 2 forms an opening [not shown], which is inserted into the plunger as the electromagnetic cymbal 2. The position of the outer diameter of the stop portion 13 and the shape of the outer portion of the support portion 13 is formed by expanding the diameter of the portion 13 to accommodate the stop portion 13, and the two spaces 1 can only oppose the electromagnetic chamber 2 Axial displacement adjustment = (four) that,

The V 23 system is elastically stretchable and disposed in the limit space 22 . The interesting spring is adjacent to the 13th/day Ϊ r丄, and the re-spin spring 23 of the embodiment is located above the stop 〕. The abutting portion 24 is radially disposed at the electric portion for abutting one end of the valve spring 3. Further, referring to Fig. 4, the transmission module 4 of the eighth embodiment of the present invention has a valve 42. One end of the steamer arm 41 is selected to abut against the electric valve or with a suitable clearance from the top of the 5th solenoid valve 2, and the other end of the valve rocker q 200827533 is abutted against the The outer periphery of the cam 42 forms a valve head just opposite to the steam port 41 via the electric motor. ; cited: selected from the top-mounted camshaft bow engine, the transmission module 4 is tied to the right second: the valve rocker arm 41' and the cam is on the second rocker arm: Figures 4, 5 and 9 When the cam 42 drives the valve to move down and the solenoid valve 2 is not actuated, the pressure of the electromagnetic arm 2 is lower than the pressure of the arm 41, and the steam head η is directly directly transmitted through the core l. Leaving the valve port 51 axially downwards, so that the door lifts the gas to enter the steam rainbow, and then moves the steam rocker arm 41 axially upward, and the elastic bias of the 1 (4) makes the Valve assembly 〗. Upward reset, = Close the valve port 51. In this way, the fly gate item 11 is synchronized with the timing of the crankshaft arm stroke shown in Fig. 9 of the steamer arm assembly 1 as shown in Figs. 4, 6 and 9 , each material is: under the valve rocker arm 41 (four), at the same time start only 23 elastic dusting 'and the valve group axis = position elastic force two 阙 阙 top by the valve rocker arm 4! However, since the solenoid valve 2 forces the valve assembly to adjust the displacement amount of the stroke, the valve rocker arm must be more than half __na (four) to enjoy D:\ni-I LindaNPK Pat\PKi〇234. doc ^ I2/2fi/〇8;5!) λ ~ 10 200827533 Extends the valve head 11 axially downwards away from the 兮 门 door 5 to delay the formation of the valve head. Ihai's most = after the door rocker arm 4TM rocker arm stroke dust reset. At this time, (4) the elastic bias of the valve 3 is closed by closing the solenoid valve 2, and the elastic bias of the reset spring 23 is applied to the second and the valve head π spider, gas Utr The amount of displacement. Thereby, the valve head and the extension door can be adjusted, and the relative distance can be controlled according to the demand, and the valve timing of the fly gate assembly 1 can be adjusted. As a result, the second and second valve timings slightly lag behind the timing of the valve rocker 41, as shown in Fig. 9 is a partial delay, as shown by the valves 4 and 7, when the cam 42 is driven The 垄 吩 ′′ simultaneously activates the solenoid valve 2 to overcome the return spring bias, and the valve assembly 1 is axially displaced upward by a 敕: Τ, but the top of the 阙 2 is received by the valve rocker arm ==^ Because of this, the valve assembly 1 is forced to adjust upwards: a displacement of the king 1 so that the valve is shaken =;: after adjusting the displacement of the entire stroke, the pressure under the fine force forces the The valve head 11 leaves the steam axially downward, so that the valve assembly 1 is delayed to form a valve head lift. The um=4, 7, 8 and 9 are shown in the figure, when the valve assembly) is elastic. When the bias voltage is reset upward, the electromagnetic cymbal 2 is closed, so that the return spring 23 pushes against the stop portion 13, and the door assembly 1 is forced to adjust the displacement amount of the L head adjustment strokes relative to the body. Therefore, it is possible to control the relative distance between the two ports 51 of the valve lift head, and then make the steam valve assembly, the Μ π 组件 门 component 1 steam as needed. Gate timing. Thus, the lower _ 彳 __ rocker arm 41 curve C3. τ pumping: 'If the full delay is shown in Figure 9, please refer to Figure 9 + r to know that the drive die is quite 41; In the state in which the above-mentioned actuation mode can be clearly 2, the valve assembly 1 starts the solenoid valve 4 to drive the steam curve ", and compares the partial delay curve c 4 electromagnetic 阙 2 obtained by the transmission module. The obtained magnetic valve 2 is in the N-line (four) curve C3, and it is learned that by the electric: displacement, the axial control of the valve assembly 1 can be further adjusted within the range of the rocker arm stroke. The valve timing of the mouth corresponds to the stroke period of the adjustment stroke. The stroke cycle and the full delay curve C3 will be turned into the ride. If the space is a, the return spring 23 is completely below the stop section 13. Conversely, in order to ψ two magnetic pq 曰. The direction of the elastic bias of P 13 , the valve group i ^ adjusts the steam displacement of the valve group within the displacement range of the adjustment stroke and activates the process via the above-mentioned actuation mode Timing, while the second == arm 41 moves down to carry out the rocker arm adjustment stroke control in the rocker arm:; and: 1 steam Η Timing corresponds to the stroke period. The stroke period of the curve ci is ahead of it, at^f〇234.doc K ,, at^l〇23<.doc —12 — 200827533 ί 二ΓΓ照第4至9 As shown in the figure, 'Through the limit space 22 pieces 1 phase: 2 1 wide supply-adjustment stroke, it can effectively expand the use of the valve group - the positive door r fly into the a door lift. Moreover, the invention can also Actuating to control the cam timing of the original engine and the valve positive time or delay two people so that the present invention can simultaneously control the engine valve timing advance one heart, S above, the present invention can be selectively applied to the cylinder 5 Introducing Jf1 ϋ 'and precisely modulating the timing and the valve head through the electromagnetic cymbal 2 to improve the engine intake and exhaust efficiency and the money 1G and η _, which reveals the variable of the second embodiment of the present invention Valve timing device. Compared with the first embodiment, the second solenoid valve 2 is further provided with the electromagnetic coil 2 二 at the two ends, and is opposite to each of the electric yoke 2Q and the valve assembly. The return spring 23 is provided between the two. Please refer to the 10th and Uth drawings again, as in the above-mentioned first embodiment, the operation mode 'When the cam 42 drives the valve shake f 41 to press down and the solenoid valve 2 is not actuated', the valve of this embodiment The component i is shaped relative to the steam red, and the normal valve stroke curve is 〇1. In addition, when the cam 42 drives the = door rocker 41 to press down and activates the solenoid valve 2, the embodiment can activate the inlet and exhaust operations of the Hamen assembly 1 with respect to the cylinder 5 The solenoid valve 2 respectively overcomes the elastic bias of the return spring 23 located above the stop portion 13 or the reset spring below the stop portion 13 to further advance or delay the valve timing of the valve assembly i to form a valve ^ Gate advance stroke curve D2 and a valve delay stroke curve 〇3. By this

LindaVPK Pat\PKin234.doc —13 — 200827533 It is indeed possible to improve engine intake and exhaust efficiency and power wheeling as described above, compared to the conventional use of Figure 1. The device is only set on the - cam 82. Variable correction time step control and adjustment of the engine's steam nt shi 821, but failed to enter a volumetric efficiency of the exhaust, and its: = two = ^ Figure 4 of the Benfa County * in the steam valve assembly 丨 steam = The lack of black scorpion is combined with the final fine teeth of the electric machine 2 to act as n / _L ^12 (10)! In the evening, the solenoid valve 2 is axially displaced by the actuator, thereby precisely adjusting the timing of the engine and the gas η. Therefore, the present invention can effectively improve the volumetric efficiency of the engine intake and exhaust and increase the output power of the engine, and save fuel consumption. 4 Effects and drawings are disclosed by the above-mentioned preferred embodiments. However, it is not intended to limit the scope of the present invention. Any modification and modification of the above embodiments can be made without departing from the scope of the invention. The technical specifications are guaranteed, and therefore the scope of the patent application scope of the present invention is subject to the definition of patent application. , P:\0M LindaXPK Pat\PKI0Z34.doc —14 — 200827533 [Simple diagram of the diagram] Figure 1: Variable valve of the conventional engine is the second fashion: the variable valve of the conventional engine is fashionable, and ° section view. Figure 3: Schematic diagram of the variable valve timing device of the conventional engine. Figure. Fig. 4 is a schematic sectional view of the engine of the first embodiment of the present invention, in which the valve rocker arm is not depressed. The π door timing device Fig. 5 · The first embodiment of the present invention is the slamming arm of the shovel of the shovel of the shovel and the electromagnetic valve is not actuated. The engine of the first embodiment of the present invention = Fig.: The valve rocker arm is depressed and the solenoid valve 6 & Valve 4+ adjustment stroke of the intake actuation diagram 7 · The original (four) _ real r shake arm τ (10) valve completion - an adjustment line === ^ engine's variable steam (four) set the ratio of the first ^ intention The fourth embodiment of the variable auto Η · 装置 引擎 引擎 引擎 引擎 引擎 引擎 引擎 引擎 引擎 引擎 引擎 引擎 引擎 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 引擎 引擎 引擎 引擎 引擎Comparison schematic. -^The engine's variable valve timing

Linda\PK Pat\Pki02J4.doc f>r, /l2/-/r,/〇g:5!l ~15 — 200827533 [Main component symbol description]

1 Valve assembly 11 Valve head 12 Valve rod 13 Stop 2 Electromagnetic width 21 Operating space 22 Limit space 23 Return spring 24 Retaining part 3 Valve spring 4 Transmission module 41 Valve rocker arm 42 Cam 5 cylinder 51 Valve port 7 Valve 71 Valve head 72 Valve rod 721 Retaining part 73 Valve spring 8 Cam assembly 81 Camshaft 82 Cam 821 Inclined surface 9 Cylinder 91 Valve port Cl Rocker stroke curve C2 Partial delay curve C3 Complete delay Curve D1 Normal valve stroke curve D2 Valve advance stroke curve D3 Valve delay stroke curve D:\mi LindaVPK Pat\PKI0234.doc ——16——

Claims (1)

200827533 X. Patent application scope: 1. An engine variable-valve fashion fashion one-steam door assembly, which has a steam, which comprises: a top part connected to the steam head; a master valve and a steam door Connected to a solenoid valve, which is provided with an actuating air ▲ axially coupled to the actuating space, the end of the 垓 valve stem is axially displaced by the corresponding member; and the 垓 solenoid valve controls the valve block and the drive module , the corresponding setting is in the diagnosis. The valve assembly is opposite to the cylinder axial direction and is one end of the electromagnetic interaction chamber, so as to link the 2, according to the patent application scope page. ‘ , wherein the solenoid valve is selected from the variable valve timing device of the “3”, according to the second item of the patent application scope: “two-magnetic valve”. Wherein the steam cylinder assembly is provided with a stop valve, and the variable valve timing device is formed corresponding to the expansion of the stop portion - 3' and the movement of the electromagnetic valve is limited to the limit space = vertical space By axially displacing the stop. Restricting the pin door assembly relative to the electromagnetic room according to the engine of the third aspect of the patent, the variable speed of the engine is in the limit space of the electromagnetic reading. The apparatus of the engine of claim 3, wherein the solenoid valve is provided with a receiving portion, and one end of the door corresponds to the abutting portion. Huang Zhi 6, Yi Shi applied for the engine of the scope of the third or fourth paragraph of the engine of the variable steam & set 'the drive assembly has - car rocker arm and - cam,, Japan I Linda \ PK Pat \ PK 10234. doc 200827533 The end of the rocker arm abuts against the electromagnetic zone on the outer circumference of the cam. And the other end is abutted against the arm, according to the fifth application of the patent application garden, wherein the transmission component has a valve timing device, the end of which abuts against the top two cams of the electromagnetic chamber, the steam The door shakes the periphery of the cam. And the other end is abutted against the apparatus according to claim 3, wherein the transmission assembly has a cam == variable valve timing at the top of the solenoid valve. ^ The cam system is directly abutted 9. According to the scope of the patent application, the transmission assembly has a top of the variable valve timing device solenoid valve. The X cam is directly in the country D:\0M Linda\PK Pat\PK10234.doc 0Γ»/Ι2/2Γ»/08:59 Α» —18 —