CN103758599A - Direct-acting-valve engine - Google Patents
Direct-acting-valve engine Download PDFInfo
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- CN103758599A CN103758599A CN201410001406.1A CN201410001406A CN103758599A CN 103758599 A CN103758599 A CN 103758599A CN 201410001406 A CN201410001406 A CN 201410001406A CN 103758599 A CN103758599 A CN 103758599A
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Abstract
The invention discloses a direct-acting-valve engine which comprises an air cylinder, a cylinder cover, a piston and a pipeline. The air cylinder is connected with the cylinder cover, the piston is arranged in the air cylinder, the pipeline is connected with the cylinder cover, a seat port communicating the pipeline with the air cylinder is arranged on the cylinder cover and at the joint of the pipeline and the cylinder cover, a valve is arranged at and matched with the seat port, and the valve is controlled by the piston to open and close the seat port according to a timing relation. An air distribution system of the engine is simplified, and air distribution efficiency of the engine is improved.
Description
The application is that original applying number is 2011100395962, original application day is that 2011 02 month 17 day, are called dividing an application of direct-acting valve engine.
Technical field
the present invention relates to heat energy and power field, relate in particular to a kind of direct-acting valve engine.
Background technique
traditional distribution mode of motor has two classes substantially, and a class is cammingly control mode, and another kind of is the distribution mode of cylinder sidewall opening.The former mechanism is complicated, and the latter pollutes because lubricant oil leaks.If can find another kind of distribution mode or cylinder is imported to working medium or the mode of former working medium and the derivation mode of waste gas, will make engine structure become simple.Particularly, for cylinder being filled with to the motor of formula with high-pressure working medium or the former working medium of high pressure, need especially a kind of mode that imports and exports of new gas.
Summary of the invention
in order to solve the problem existing in above-mentioned available engine, technological scheme of the present invention is as follows:
a kind of direct-acting valve engine, comprise cylinder, cylinder cap, piston and pipeline, described cylinder is connected with described cylinder cap, described piston is arranged in described cylinder, described pipeline is connected with described cylinder cap, is establishing described pipeline and being connected of described cylinder cap the seat mouthful that is communicated with described pipeline and described cylinder on described cylinder cap, and at described seat, a mouthful place establishes valve body, described valve body matches with described seat mouthful, and described valve body is opened and closed described seat mouthful by timing relation by described piston control.
described direct-acting valve engine also comprises high-pressure working medium source, described seat mouth is made as external-open seat mouth, described high-pressure working medium source and described pipeline communication, the high-pressure working medium in described high-pressure working medium source is quantitatively imported and in described cylinder, no longer carries out combustion chemistry reaction direct expansion and promote the external work done of described piston by timing relation through described external-open seat mouth.
described direct-acting valve engine also comprises the former working medium of high pressure source, described seat mouth is made as external-open seat mouth, on described valve body, establish and close elastomer, described high pressure former working medium source and described pipeline communication, the former working medium of high pressure in the former working medium of described high pressure source is quantitatively imported described cylinder inherence through described external-open seat mouth by timing relation expand to promote the external work done of described piston after carrying out combustion chemistry reaction.
described pipeline is made as the air outlet flue of described cylinder, in being made as, described seat mouth opens seat mouthful, on described valve body, establish unlatching elastomer, when described descent of piston is near lower dead center time, pressure drop in described cylinder, described valve body is opened beginning exhaust by opening seat mouth in described under the elastomeric effect of described unlatching, when near piston described in the described piston stroking upward that carries out exhaust stroke is to top dead center time promotes to exercise on described valve body, open seat mouthful in described and close, after exhaust stroke is over, in described cylinder, be charged pressurized gas, under the effect of the described high-pressure gas pressure in described cylinder, in described, open that seat mouthful maintains closed condition until near described piston while coming again downwards to lower dead center, pressure drop in described cylinder, described valve body is opened opening seat mouthful in described under the elastomeric effect of described unlatching, enter next work cycle.
described direct-acting valve engine also comprises the former working medium of high pressure source, described seat mouth is made as external-open seat mouth, described high pressure former working medium source and described pipeline communication, the former working medium of high pressure in the former working medium of described high pressure source is quantitatively imported in described cylinder by timing relation through described external-open seat mouth, described in when the ratio that the upper section of described valve body and the Area Ratio of lower section are more than or equal to the pressure of the maximum pressure set up in described cylinder by combustion chemistry reaction and the former working medium of high pressure in the former working medium of described high pressure source is realized the former working medium of described high pressure combustion chemistry reaction is occurred in described cylinder, external-open seat mouth still keeps the state of closing, after the former working medium of described high pressure is carried out combustion chemistry reaction in described cylinder, expansion promotes the external work done of described piston.
described direct-acting valve engine also comprises the former working medium of high pressure source, described high pressure former working medium source and described pipeline communication, described seat mouth be made as by external-open seat mouth and in open the interior external-open combined seat mouth that seat mouth forms, described valve body is made as interior external-open combinaing valve body, described interior external-open combinaing valve body and described interior external-open combined seat mouth match and in being filled with the former working medium process of high pressure, described interior external-open combined seat mouth are opened, the described external-open seat mouth of described interior external-open combined seat mouth is closed completing while being filled with the former working medium process of high pressure, in the former working medium of described high pressure, carrying out combustion chemistry when reaction described interior external-open combinaing valve body under High Pressure in described cylinder moves outward and makes to open seat mouthful in described interior external-open combined seat mouth described and close, after the former working medium of described high pressure is carried out combustion chemistry reaction in described cylinder, expansion promotes the external work done of described piston.
described seat mouth is made as external-open seat mouth, on described valve body, establish pneumatic air guiding base mouth, described pneumatic air guiding base mouth connects described valve body in the direction that is communicated with described pipeline and described cylinder, at described pneumatic air guiding base mouth, place establishes the pneumatic valve body of external-open, the pneumatic valve body of described external-open matches with described pneumatic air guiding base mouth, the pneumatic valve body of described external-open is opened and closed described pneumatic air guiding base mouth by described piston control, and described valve body is opened and closed described external-open seat mouth by described piston control through the pneumatic valve body of described external-open.
on described interior external-open combinaing valve body, establish pneumatic air guiding base mouth, described pneumatic air guiding base mouth connects described interior external-open combinaing valve body in the direction that is communicated with described pipeline and described cylinder, at described pneumatic air guiding base mouth, place establishes the pneumatic valve body of external-open, the pneumatic valve body of described external-open matches with described pneumatic air guiding base mouth, the pneumatic valve body of described external-open is opened and closed described pneumatic air guiding base mouth by described piston control, and described interior external-open combinaing valve body is opened and closed described interior external-open combined seat mouth by described piston control through the pneumatic valve body of described external-open.
on described piston, establish air cushion sunk structure, described air cushion sunk structure be located at piston structure on described valve body and match between the described piston structure of described piston and described valve body, forming air cushion to reduce the shock between described piston and described valve body when described piston will contact with described valve body.
described pipeline is made as the air outlet flue of described cylinder, in being made as, described seat mouth opens seat mouthful, on described valve body, establish unlatching elastomer, at the side of setting, lower end of described cylinder lever, lever above establishing above described cylinder cap, one end of described top lever is located at the position that can control described valve body, one end of described below lever be located at described piston the corresponding described cylinder of lower end lower dead center lower end lower dead center top and be subject to the descending effect of described piston, described below lever and described top lever interact through actuating member, below described under the effect of described piston in the time of near described piston reaches lower dead center, under lever, turn and make to turn under lever above described to force through described actuating member and under described valve body, be about to open seat mouth in described and open beginning exhaust, in described under the elastomeric effect of described unlatching, open seat mouth and maintain opening state, when exhaust stroke approaches the described piston stroking upward that is over, under the effect at described piston, on described valve body, be about to open seat mouthful in described near top dead center time and close, after exhaust stroke is over, in described cylinder, be charged pressurized gas, under the effect of the described high-pressure gas pressure in described cylinder, in described, open that seat mouthful maintains closed condition until described piston starts next work cycle near coming again downwards to lower dead center.
principle of the present invention is not use under the prerequisite of cam mechanism, utilizes the direct or indirect control valve body of piston of motor to realize the requirement that the timing control of the fluid of inflow and outflow firing chamber is met to engine work.Direct-acting valve in direct-acting valve engine disclosed in this invention can be filled with as former working medium the valve body use of cylinder, can be used as the valve body that high-pressure working medium (so-called high-pressure working medium refers to enter after cylinder and do not burn and just carry out the working medium of expansion working) is filled with cylinder uses, can use as exhaust valve, can also be filled with for fuel the valve body use of cylinder.
the so-called timing relation of the present invention refers to as meeting engine work needs and by cycle of engine logical relation, opens or closes the time relationship of described seat mouth.
the so-called former working medium of the present invention refers to a kind of, the multiple or all fluids in oxygenant, reducing agent and the dilatant that enters firing chamber, with and various phase transformation thing, namely in firing chamber, be about to occur the working medium before combustion reaction, so-called phase transformation thing refers to the former working medium in different conditions, i.e. gaseous state, liquid state, solid-state, critical state, supercritical state, ultra supercritical state or the temperature, pressure fluid of high state more.So-called dilatant refers to that not participating in combustion chemistry has reacted the working medium that heats up or lower the temperature and adjust the effect of work done working medium molal quantity.
thereby the direct-acting valve in so-called direct-acting valve engine refers to the progradation by described piston or the traction action that consist of described valve body and described seat mouth, force described valve body displacement or deflection to realize the mechanism that described seat mouth opens or closes, described seat mouthful is communicated with described cylinder and described pipeline.
the lower end lower dead center of the so-called piston of the present invention refers to that piston is when bottom dead center position, the residing position bottom of piston; The lower end lower dead center of so-called cylinder refers to lower dead center corresponding position on described cylinder, described piston lower end.
in the present invention, so-called valve body is controlled by piston to refer to the process that progradation or traction action by piston force described valve body displacement or deflection; So-called progradation refers to described piston stroking upward effect, comprises direct shock, through structure part, clashes into, clashes into and clash into etc. all through movement structure (so-called movement structure refer to consist of two or more parts the progradation of described piston can be acted on to the mechanism of described valve body) by described piston, advanced and up knockout process is subjected to displacement described valve body or the action mode of deflection through elastomer; So-called traction action refers to described descent of piston effect, comprises descending knockout process, by being located at the flexible connecting member between described piston and described valve body or scalable link pulls described valve body that valve body is subjected to displacement or the action mode of deflection.In progradation and traction action for reduce clashing into noise and the wearing and tearing that bring, can be on piston, on valve body or establish elastomer between the two.
in the present invention, so-called unlatching elastomer refers to that elastic force is tending towards the elastomer that described valve body is opened described seat mouth; What is called is closed elastomer and is referred to that elastic force is tending towards the elastomer that described valve body is closed described seat mouth; Described elastomer can be spring (comprising gas spring), magnetic force mechanism etc.
the so-called pneumatic air guiding base mouth of the present invention refers to the seat mouthful being arranged on the passage that connects described valve body, its objective is by this mouth to lead-in portion pressurized gas in described cylinder, to form positice ground effect and to reduce the cracking pressure of described valve body, finally reach the active force reducing between described piston and described valve body; The pneumatic valve body of so-called external-open refers to the valve body that can make described pneumatic air guiding base mouth open when away from described cylinder direction displacement when described valve body; So-called air cushion sunk structure refers to the sunk structure that is arranged on described piston or described valve body (be equivalent to match with plunger cylinder), when described piston and the interaction of described valve body, have structure (being equivalent to plunger) and enter sunk structure, gas in sunk structure is compressed, thereby reduces the structure of the impact force between described piston and described valve body; So-called air cushion protruding structure refers to the protruding structure being arranged on described piston or described valve body, and described protruding structure is equivalent to be arranged on the tappet on described piston or described valve body; So-called collector ring refers to the ring structure that can prevent from being imported into by described pneumatic air guiding base mouth the gas rapid diffusion in described cylinder, its object sets up by preventing the rapid diffusion of gas the air cushion that pressure is higher, thereby reduces the impact force between described piston and described valve body.
so-called in direct-acting valve engine disclosed in this invention " described valve body controlled by timing relation by described piston described seat mouthful is opened and closed " refers under the effect of described piston, described valve body according to the logical relation of engine operation by described seat mouthful open and/or closed.At described piston, described valve body is implemented in the structure of closing motion, the opening action of described valve body can be realized by described piston, also can be realized by other control mechanisms (as electromagnetic mechanism or hydraulic mechanism etc.); At described piston, described valve body is implemented in the structure of opening action, the closing motion of described valve body can be realized by described piston, also can be realized by other control mechanisms (as electromagnetic mechanism or hydraulic mechanism etc.).
piston described in the present invention is directly or indirectly controlled described valve body, although this process can produce certain impact force, but because described piston is all just to clash near top dead center or near lower dead center time, at this moment the movement velocity of described piston is very low.So, as long as take some measures (as modes such as air cushion, resilient contact or high-strength shock materials), be can make to clash into normal work and the life-span that does not affect motor.Moreover, can easy replacing ram be set in the interface of occur clashing into, when vehicle is maintained, change in time these rams and just can guarantee that motor works under the state of setting.
the so-called top of the present invention lever refers to the lever that is located at cylinder cap top, and its fulcrum can be located at one end, also starts to be located in the middle of two ends; So-called below lever refers to the lever that is located at described cylinder lower end, and its fulcrum can be located at one end, also starts to be located in the middle of two ends; So-called actuating member refers to interactional parts between formation so-called top lever and so-called below lever, and so-called actuating member can be tappet, flexible connecting member (as rope, rope, steel wire) etc.
in direct-acting valve engine disclosed in this invention, can on described valve body and the interactional riding cable of described piston, establish elastomer, this elastomeric Main Function is to reduce to clash into.When described valve body is made as external-open valve body, this elastomer not only has the effect that reduces shock, also has the effect that makes valve body lag behind and open and lag behind and close, and this interaction energy reduces the inflation resistance of piston in budc, is conducive to improve the efficiency of motor; While opening valve body in described valve body is made as, this elastomer not only has the effect that reduces shock, also has the effect that makes valve body lag behind and close, and this interaction energy impels the thorough discharge of described gas exhaust gas inside cylinder, is conducive to improve the efficiency of motor.
direct-acting valve engine disclosed in this invention, can arrange parts, unit or the systems such as control valve, pump, sensor, control unit, fuel injector, spark plug according to the known technology in heat energy and power field and principle in suitable place.
beneficial effect of the present invention is as follows:
1, simple in structure, the low cost of manufacture of the present invention, reliability are high.
2, the present invention has simplified the gas distribution system of motor, has improved the distribution efficiency of motor.
the working medium that when 3, the present invention can solve pressurized gas (comprising the former working medium of high-pressure working medium and high pressure) to cylinder charge, valve body the causes problem that leaks, is equally also applicable to using high-pressure water vapor and comprises free-piston and piston type external-combustion engine as the piston engine tool of working medium.
Accompanying drawing explanation
shown in Fig. 1 is the structural representation of the embodiment of the present invention 1;
shown in Fig. 2 is the structural representation of the embodiment of the present invention 2;
shown in Fig. 3 is the structural representation of the embodiment of the present invention 3;
shown in Fig. 4 is the structural representation of the embodiment of the present invention 4;
shown in Fig. 5 is the structural representation of the embodiment of the present invention 5;
shown in Fig. 6 is the structural representation of the embodiment of the present invention 6;
shown in Fig. 7 is the structural representation of the embodiment of the present invention 7;
shown in Fig. 8 is the structural representation of the embodiment of the present invention 8;
shown in Fig. 9 is the structural representation of the embodiment of the present invention 9;
shown in Figure 10 is the structural representation of the embodiment of the present invention 10;
shown in Figure 11 is the structural representation of the embodiment of the present invention 11;
shown in Figure 12 is the structural representation of the embodiment of the present invention 12;
shown in Figure 13 is the structural representation of the embodiment of the present invention 13;
shown in Figure 14 is the structural representation of the embodiment of the present invention 14;
shown in Figure 15 is the structural representation of the embodiment of the present invention 15;
shown in Figure 16 is the structural representation of the embodiment of the present invention 16;
shown in Figure 17 is the structural representation of the embodiment of the present invention 17;
shown in Figure 18 is the structural representation of the embodiment of the present invention 18;
shown in Figure 19 is the structural representation of the embodiment of the present invention 19;
shown in Figure 20 is the structural representation of the embodiment of the present invention 20;
shown in Figure 21 is the structural representation of the embodiment of the present invention 21;
shown in Figure 22 is the structural representation of the embodiment of the present invention 22;
shown in Figure 23 is the structural representation of the embodiment of the present invention 23;
shown in Figure 24 is the structural representation of the embodiment of the present invention 24;
shown in Figure 25 is the structural representation of the embodiment of the present invention 25.
Embodiment
direct-acting valve engine as shown in Figure 1, comprise cylinder 1, cylinder cap 2, piston 3 and pipeline 4, described cylinder 1 is connected with described cylinder cap 2, described piston 3 is arranged in described cylinder 1, described pipeline 4 is connected with described cylinder cap 2, are establishing described pipeline 4 and being connected of described cylinder cap 2 the seat mouth 6 that is communicated with described pipeline 4 and described cylinder 1 on described cylinder cap 2, at described seat, mouthful 6 places establish valve body 7, described valve body 7 matches with described seat mouth 6, and described valve body 7 is opened and closed described seat mouth 6 by timing relation by described piston 3 controls.
direct-acting valve engine as shown in Figure 2, itself and embodiment's 1 difference is: described direct-acting valve engine also comprises high-pressure working medium source 8, described seat mouth 6 is made as external-open seat mouth 601, described high-pressure working medium source 8 is communicated with described pipeline 4, and the high-pressure working medium in described high-pressure working medium source 8 is quantitatively imported and in described cylinder 1, no longer carries out combustion chemistry reaction direct expansion and promote the external work done of described piston 3 by timing relation through described external-open seat mouth 601.
direct-acting valve engine as shown in Figure 3, itself and embodiment's 1 difference is: described direct-acting valve engine also comprises the former working medium of high pressure source 9, described seat mouth 6 is made as external-open seat mouth 601, on described valve body 7, establish and close elastomer 701, the former working medium of described high pressure source 9 is communicated with described pipeline 4, and the former working medium of high pressure in the former working medium of described high pressure source 9 is quantitatively imported described cylinder 1 inherence expand to promote the external work done of described piston 3 through described external-open seat mouth 601 by timing relation after carrying out combustion chemistry reaction.
direct-acting valve engine as shown in Figure 4, itself and embodiment's 1 difference is: described pipeline 4 is made as the air outlet flue 401 of described cylinder 1, in being made as, described seat mouth 6 opens seat mouth 602, on described valve body 7, establish and open elastomer 702, in the time of near described piston 3 comes downwards to lower dead center, pressure drop in described cylinder 1, described valve body 7 is opened beginning exhaust by opening seat mouth 602 in described under the effect of described unlatching elastomer 702, when carry out the described piston 3 of exhaust stroke while going upward near top dead center described in piston 3 promote to exercise on described valve body 7 and open seat mouthfuls 602 in described and close, after exhaust stroke is over, in described cylinder 1, be charged pressurized gas, under the effect of the described high-pressure gas pressure in described cylinder 1, in described, open that seat mouthfuls 602 maintains closed condition until near described piston 3 while coming again downwards to lower dead center, pressure drop in described cylinder 1, described valve body 7 is opened opening seat mouth 602 in described under the effect of described unlatching elastomer 702, enter next work cycle.
embodiment 5
direct-acting valve engine as shown in Figure 5, itself and embodiment's 1 difference is: described direct-acting valve engine also comprises the former working medium of high pressure source 9, described seat mouth 6 is made as external-open seat mouth 601, the former working medium of described high pressure source 9 is communicated with described pipeline 4, the former working medium of high pressure in the former working medium of described high pressure source 9 is quantitatively imported in described cylinder 1 by timing relation through described external-open seat mouth 601, the upper section 7011 of described valve body 7 and the Area Ratio of lower section 7012 are more than or equal to by external-open seat mouth 601 described in combustion chemistry reaction is when the ratio of the maximum pressure of described cylinder 1 interior foundation and the pressure of the former working medium of high pressure in the former working medium of described high pressure source 9 is realized the former working medium of described high pressure in the interior generation combustion chemistry reaction of described cylinder 1 and still keep the state of closing, after the former working medium of described high pressure is carried out combustion chemistry reaction in described cylinder 1, expansion promotes the external work done of described piston 3.
direct-acting valve engine as shown in Figure 6, itself and embodiment's 1 difference is: described direct-acting valve engine also comprises the former working medium of high pressure source 9, the former working medium of described high pressure source 9 is communicated with described pipeline 4, described seat mouth 6 is made as the interior external-open combined seat mouth 603 consisting of external-open seat mouth 601 and Nei Kai seat mouth 602, described valve body 7 is made as interior external-open combinaing valve body 703, described interior external-open combinaing valve body 703 and described interior external-open combined seat mouth 603 match and in being filled with the former working medium process of high pressure, described interior external-open combined seat mouth 603 are opened, the described external-open seat mouth 601 of described interior external-open combined seat mouth 603 is closed completing while being filled with the former working medium process of high pressure, in the former working medium of described high pressure, in described cylinder 1, carry out combustion chemistry when reaction moves described interior external-open combinaing valve body 703 outside and makes to open a seat mouth 602 in described interior external-open combined seat mouth 603 described and close under High Pressure, after the former working medium of described high pressure is carried out combustion chemistry reaction in described cylinder 1, expansion promotes the external work done of described piston 3.
direct-acting valve engine as shown in Figure 7, itself and embodiment's 1 difference is: described seat mouthfuls 6 is made as external-open seat mouth 601, on described valve body 7, establish pneumatic air guiding base mouth 770, described pneumatic air guiding base mouth 770 connects described valve body 7 in the direction that is communicated with described pipeline 4 and described cylinder 1, at described pneumatic air guiding base mouth 770 places, establish the pneumatic valve body 771 of external-open, the pneumatic valve body 771 of described external-open matches with described pneumatic air guiding base mouth 770, the pneumatic valve body 771 of described external-open is controlled described pneumatic air guiding base mouth 770 opening and closing by described piston 3, described valve body 7 is controlled described external-open seat mouth 601 opening and closing by described piston 3 through the pneumatic valve body 771 of described external-open.
direct-acting valve engine as shown in Figure 8, itself and embodiment's 6 difference is: on described interior external-open combinaing valve body 703, establish pneumatic air guiding base mouth 770, described pneumatic air guiding base mouth 770 connects described interior external-open combinaing valve body 703 in the direction that is communicated with described pipeline 4 and described cylinder 1, at described pneumatic air guiding base mouth 770 places, establish the pneumatic valve body 771 of external-open, the pneumatic valve body 771 of described external-open matches with described pneumatic air guiding base mouth 770, the pneumatic valve body 771 of described external-open is controlled described pneumatic air guiding base mouth 770 opening and closing by described piston 3, described interior external-open combinaing valve body 703 is controlled described interior external-open combined seat mouth 603 opening and closing by described piston 3 through the pneumatic valve body 771 of described external-open.
direct-acting valve engine as shown in Figure 9, itself and embodiment's 1 difference is: on described piston 3, establish air cushion sunk structure 220, described air cushion sunk structure 220 be located at piston structure 800 on described valve body 7 and match and when described piston 3 will contact with described valve body 7, between described piston 3 and the described piston structure 800 of described valve body 7, form air cushion to reduce the shock between described piston 3 and described valve body 7.
embodiment 10
direct-acting valve engine as shown in figure 10, itself and embodiment's 1 difference is: described pipeline 4 is made as the air outlet flue 401 of described cylinder 1, in being made as, described seat mouth 6 opens seat mouth 602, on described valve body 7, establish and open elastomer 702, at the side of setting, lower end of described cylinder 1 lever 2001, lever 2002 above establishing above described cylinder cap 2, one end of described top lever 2002 is located at the position that can control described valve body 7, one end of described below lever 2001 be located at described piston 3 the corresponding described cylinder 1 of lower end lower dead center lower end lower dead center top and be subject to the descending effect of described piston 3, described below lever 2001 and described top lever 2002 interact through actuating member 2003, below described under the effect of described piston 3 in the time of near described piston 3 reaches lower dead center lever turn for 2001 times and through described actuating member 2003 make described above lever turn for 2002 times and force described valve body to be about to open in described seat mouthfuls 602 for 7 times to open beginning exhaust, in described under the effect of described unlatching elastomer 702, open seat mouth 602 and maintain opening state, when exhaust stroke approaches, when the described piston 3 that is over goes upward near top dead center, under the effect of described piston 3, on described valve body 7, be about to open in described seat mouthfuls 602 and close, after exhaust stroke is over, in described cylinder 1, be charged pressurized gas, under the effect of the described high-pressure gas pressure in described cylinder 1, in described, open that seat mouthfuls 602 maintains closed condition until described piston 3 starts next work cycle near coming again downwards to lower dead center.
embodiment 11
direct-acting valve engine as shown in figure 11, itself and embodiment's 7 difference is: described direct-acting valve engine also comprises high-pressure working medium source 8, described high-pressure working medium source 8 is communicated with described pipeline 4, on described valve body 7, establish the collector ring 560 that surrounds the pneumatic valve body 771 of described external-open, when the pneumatic valve body 771 of described external-open is opened described pneumatic air guiding base mouth 770 described in collector ring 560 can between described piston 3 and described valve body 7, produce gas collection work in order to reduce the shock between described piston 3 and described valve body 7.
embodiment 12
direct-acting valve engine as shown in figure 12, itself and embodiment's 11 difference is: on described piston 3, establish air cushion protruding structure 230, described air cushion protruding structure 230 coordinates with described collector ring 560 when the pneumatic valve body 771 of described external-open is opened described pneumatic air guiding base mouth 770 and can do in order to reduce the shock between described piston 3 and described valve body 7 producing gas collection between described piston 3 and described valve body 7.
embodiment 13
direct-acting valve engine as shown in figure 13, itself and embodiment's 11 difference is: on described piston 3, establish air cushion sunk structure 220, described air cushion sunk structure 220 be located at piston structure 800 on described valve body 7 and match when the pneumatic valve body 771 of described external-open is opened described pneumatic air guiding base mouth 770 and can do in order to reduce the shock between described piston 3 and described valve body 7 producing gas collection between described piston 3 and described valve body 7.
embodiment 14
direct-acting valve engine as shown in figure 14, itself and embodiment's 11 difference is: on described piston 3, establish air cushion sunk structure 220, described air cushion sunk structure 220 be located at described collector ring 560 on described valve body 7 and match when the pneumatic valve body 771 of described external-open is opened described pneumatic air guiding base mouth 770 and can do in order to reduce the shock between described piston 3 and described valve body 7 producing gas collection between described piston 3 and described valve body 7.
direct-acting valve engine as shown in figure 15, itself and embodiment's 2 difference is: on described piston 3, establish hard, wear-resistant structure 15, described hard, wear-resistant structure 15 is connected with described piston 3.
embodiment 16
direct-acting valve engine as shown in figure 16, itself and embodiment's 6 difference is: cancel the former working medium of described high pressure source 9, standalone elastic body 200 is set, described interior external-open combinaing valve body 703 is used in combination with described standalone elastic body 200, to reduce the rigid impulse between described interior external-open combinaing valve body 703 and described piston 3.
embodiment 17
direct-acting valve engine as shown in figure 17, itself and embodiment's 1 difference is: described pipeline 4 is arranged on the sidewall of described cylinder 1.
embodiment 18
direct-acting valve engine as shown in figure 18, itself and embodiment's 1 difference is: described seat mouthfuls 6 is made as inclined seat mouth 608, described valve body 7 is made as external-open inclination valve body 708, and described external-open inclination valve body 708 is controlled by timing relation described inclined seat mouth 608 opening and closing by described piston 3.
embodiment 19
direct-acting valve engine as shown in figure 19, itself and embodiment's 1 difference is: a plurality of inflating seat mouths 77 and a plurality of exhaust seat mouth 78 are set on described cylinder cap 2, to improve intake efficiency and the exhaust efficiency of described direct-acting valve engine.
embodiment 20
direct-acting valve engine as shown in figure 20, itself and embodiment's 4 difference is: described direct-acting valve engine also comprises the former working medium of high pressure source 9, the former working medium of described high pressure source 9 is communicated with described pipeline 4, described seat mouth 6 is made as external-open seat mouth 601, in direction at described valve body 7 away from described piston 3, establish and close elastomer 701, the described 701 pairs of described valve bodies 7 of elastomer of closing apply elastic pressure, when being more than or equal to described cylinder 1 interior combustion explosion to the pressure sum of described valve body 7, described former working medium of closing elastomer 701 and the former working medium of described high pressure source 602 make described valve body 7 still through valve body 7, maintain described external-open seat mouth 601 in closed condition when described cylinder 1 combustion explosion to the pressure of described valve body 7.
embodiment 21
direct-acting valve engine as shown in figure 21, itself and embodiment's 4 difference is: in described valve body 7 inside, establish elastomer 299, to reduce the rigid impulse between described valve body 7 and described piston 3.
embodiment 22
direct-acting valve engine as shown in figure 22, itself and embodiment's 3 difference is: do not comprise the former working medium of described high pressure source 9, in described valve body 7 inside, establish elastomer 299, to reduce the rigid impulse between described valve body 7 and described piston 3.
embodiment 23
direct-acting valve engine as shown in figure 23, itself and embodiment's 10 difference is: described actuating member 2003 is made as flexible actuating member.
embodiment 24
direct-acting valve engine as shown in figure 24, itself and embodiment's 4 difference is: described valve body 7 is controlled by hydraulic type control mechanism/electromagnetic type control mechanism 99 and timing control system 991 to open by timing relation.
embodiment 25
direct-acting valve engine as shown in figure 25, itself and embodiment's 4 difference is: between described valve body 7 and described piston 3, establish pull string 919, described piston 3 is opened described valve body 7 by described pull string 919.
obviously, the invention is not restricted to above embodiment, can also have many distortion.Those of ordinary skill in the art, all distortion that can directly derive or associate from content disclosed by the invention, all should think protection scope of the present invention.
Claims (4)
1. a direct-acting valve engine, comprise cylinder (1), cylinder cap (2), piston (3) and pipeline (4), described cylinder (1) is connected with described cylinder cap (2), described piston (3) is arranged in described cylinder (1), described pipeline (4) is connected with described cylinder cap (2), are establishing described pipeline (4) and being connected of described cylinder cap (2) seat mouthful (6) that is communicated with described pipeline (4) and described cylinder (1) on described cylinder cap (2), at described seat mouthful (6), locate to establish valve body (7), described valve body (7) matches with described seat mouthful (6), described valve body (7) is controlled by timing relation mouthful (6) opening and closing of described seat by described piston (3), it is characterized in that:
Described pipeline (4) is made as the air outlet flue (401) of described cylinder (1), in being made as, opens described seat mouthful (6) seat mouthful (602), on described valve body (7), establish and open elastomer (702), at the side of setting, lower end of described cylinder (1) lever (2001), in the top of described cylinder cap (2), establish top lever (2002), one end of described top lever (2002) is located at the position that can control described valve body (7), one end of described below lever (2001) be located at described piston (3) the corresponding described cylinder of lower end lower dead center (1) lower end lower dead center top and be subject to the descending effect of described piston (3), described below lever (2001) and described top lever (2002) interact through actuating member (2003), when described piston (3) reaches near lower dead center, under the effect of described piston (3), under described below lever (2001), turn and make to turn under described top lever (2002) to force through described actuating member (2003) and under described valve body (7), be about to open seat mouthful (602) in described and open beginning exhaust, in described under the effect of described unlatching elastomer (702), open seat mouthful (602) and maintain opening state, when exhaust stroke approaches, when the described piston (3) that is over goes upward near top dead center, under the effect of described piston (3), on described valve body (7), be about to open seat mouthful (602) in described and close, after exhaust stroke is over, described cylinder is charged pressurized gas in (1), under the effect of the described high-pressure gas pressure in described cylinder (1), in described, open mouthful (602) and maintain closed condition until described piston (3) starts next work cycle near coming again downwards to lower dead center.
2. direct-acting valve engine as claimed in claim 1, is characterized in that: described actuating member (2003) is made as flexible actuating member.
3. direct-acting valve engine as claimed in claim 1 or 2, is characterized in that: in described valve body (7) inside, elastomer (299) is set.
4. direct-acting valve engine as claimed in claim 1 or 2, is characterized in that: a plurality of inflating seat mouths (77) and a plurality of exhaust seat mouth (78) are set on described cylinder cap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001406.1A CN103758599B (en) | 2010-06-02 | 2011-02-17 | Direct-acting valve engine |
Applications Claiming Priority (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101897336 | 2010-06-02 | ||
| CN201010189733 | 2010-06-02 | ||
| CN201010189733.6 | 2010-06-02 | ||
| CN2010102834851 | 2010-09-16 | ||
| CN201010283485 | 2010-09-16 | ||
| CN201010283485.1 | 2010-09-16 | ||
| CN201010287652 | 2010-09-20 | ||
| CN201010287652X | 2010-09-20 | ||
| CN201010287652.X | 2010-09-20 | ||
| CN201110039596.2A CN102155296B (en) | 2010-06-02 | 2011-02-17 | Direct-acting valve engine |
| CN201410001406.1A CN103758599B (en) | 2010-06-02 | 2011-02-17 | Direct-acting valve engine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110039596.2A Division CN102155296B (en) | 2010-06-02 | 2011-02-17 | Direct-acting valve engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103758599A true CN103758599A (en) | 2014-04-30 |
| CN103758599B CN103758599B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410001481.8A Expired - Fee Related CN103758574B (en) | 2010-06-02 | 2011-02-17 | Direct-acting valve engine |
| CN201410001406.1A Expired - Fee Related CN103758599B (en) | 2010-06-02 | 2011-02-17 | Direct-acting valve engine |
| CN201410001439.6A Expired - Fee Related CN103758639B (en) | 2010-06-02 | 2011-02-17 | Direct-acting valve engine |
| CN201110039596.2A Active CN102155296B (en) | 2010-06-02 | 2011-02-17 | Direct-acting valve engine |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410001481.8A Expired - Fee Related CN103758574B (en) | 2010-06-02 | 2011-02-17 | Direct-acting valve engine |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410001439.6A Expired - Fee Related CN103758639B (en) | 2010-06-02 | 2011-02-17 | Direct-acting valve engine |
| CN201110039596.2A Active CN102155296B (en) | 2010-06-02 | 2011-02-17 | Direct-acting valve engine |
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| CN (4) | CN103758574B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202202911U (en) * | 2011-06-29 | 2012-04-25 | 靳北彪 | Floating valve for engine |
| CN102817664A (en) * | 2011-08-23 | 2012-12-12 | 摩尔动力(北京)技术股份有限公司 | Air distribution mechanism |
| CN106438034A (en) * | 2015-08-06 | 2017-02-22 | 熵零股份有限公司 | Direct-acting valve air cylinder and piston mechanism and engine with same |
| CN115142901A (en) * | 2022-07-07 | 2022-10-04 | 重庆科技学院 | Piston type gas expansion engine |
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- 2011-02-17 CN CN201410001481.8A patent/CN103758574B/en not_active Expired - Fee Related
- 2011-02-17 CN CN201410001406.1A patent/CN103758599B/en not_active Expired - Fee Related
- 2011-02-17 CN CN201410001439.6A patent/CN103758639B/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102155296B (en) | 2014-02-05 |
| CN102155296A (en) | 2011-08-17 |
| CN103758574B (en) | 2016-06-29 |
| CN103758639B (en) | 2016-06-29 |
| CN103758639A (en) | 2014-04-30 |
| CN103758599B (en) | 2016-03-30 |
| CN103758574A (en) | 2014-04-30 |
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