CN104373208A - Radial piston engine - Google Patents
Radial piston engine Download PDFInfo
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- CN104373208A CN104373208A CN201410545245.2A CN201410545245A CN104373208A CN 104373208 A CN104373208 A CN 104373208A CN 201410545245 A CN201410545245 A CN 201410545245A CN 104373208 A CN104373208 A CN 104373208A
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Abstract
The invention discloses a radial piston engine which comprises an air cylinder and an air distributor. The air cylinder comprises an upper-portion air cylinder and a lower-portion air cylinder, the air distributor comprises a housing (1), a flow divider valve (2) and a bushing (3), the housing (1) forms a sealed cavity in an enclosure mode, and the sealed cavity is communicated with the air cylinder. The flow divider valve (2) is provided with a first irregularly-shaped hole (21) and a second irregularly-shaped hole (22), and the bushing (3) is provided with an upper-portion air cylinder vent hole (31) and a lower-portion air cylinder vent hole (32). The bushing (3) and the flow divider valve (2) are respectively arranged in the sealed cavity, one end face of the bushing (3) is fit with the inner wall of the housing (1), and the flow divider valve (2) is fit with the other end face of the bushing (3). When the flow divider valve (2) rotates, the first irregularly-shaped hole (21) is overlapped with the upper-portion air cylinder vent hole (31) or the lower-portion air cylinder vent hole (32), and the second irregularly-shaped hole (22) is overlapped with the lower-portion air cylinder vent hole (32), so that compressed air in the sealed cavity is injected into the upper-portion air cylinder or the lower-portion air cylinder through the first irregularly-shaped hole (21), and meanwhile the compressed air is injected into the lower-portion air cylinder through the second irregularly-shaped hole (22).
Description
Technical field
The application relates to a kind of radial-piston engine.
Background technique
Radial-piston engine utilizes gasoline to mix with air, in airtight container (cylinder) combustion, and the machinery of expansion work.Mainly comprise cylinder, piston, connecting rod, bent axle, valve mechanism, airscrew reduction device, casing.
Cylinder is the place that mixed gas (gasoline and air) carries out burning, and holds piston reciprocates, cylinder head is equipped with the electric plug (being commonly called as sparking plug) lighting mixed gas in cylinder, and inlet and outlet door.Common radial engine has 5,7,9,14,18 or 24 cylinders not etc., and when single chamber volume is identical, more multiple-motor power is larger for number of cylinders.
Radial-piston engine also comprises air sparger, and this air sparger presses the job order of cylinder, respectively when each cylinder expands formation beginning, pressurized air is inputted cylinder, makes crank rotation to promote piston.
But, due to the structural feature of star-like reciprocating engine, lower cylinder is easy to long-pending oil, although prestart aircraft maintainers can take the measure of draining the oil, climb more than oar 3 ~ 4 circle, open the oil drain cock in lower cylinder suction tude, release the long-pending oil of lower cylinder, but still have long-pending oil to put unclean in cylinder head in the winter time.When the engine is started, because long-pending oil occupies partial combustion room volume, improve compression ratio, cause piston and the stressed increase of connecting rod, the lighter, connecting rod does not deform, severe one, connecting rod generation slight deformation, after engine operation a period of time, connecting rod easily fractures because distortion produces fatigue, harm flight safety, and badly damaged motor, and current air sparger only has the function of piloting engine, and does not possess and removes the function that lower cylinder amasss oil.
Summary of the invention
Lower cylinder for motor amasss the problem of oil, the application provides a kind of radial-piston engine, comprise cylinder and air sparger, cylinder comprises upper cylinder and lower cylinder, air sparger comprises housing, this housing encloses a seal chamber, and seal chamber is communicated with cylinder, and air sparger also comprises: diverter valve and lining;
Diverter valve is provided with the first irregularly-shaped hole and the second irregularly-shaped hole, and lining is provided with the upper cylinder vent communicated with upper cylinder, and the lower cylinder vent communicated with lower cylinder;
Lining and diverter valve are placed in seal chamber respectively, and the inwall of lining one end face and housing is fitted, and fit in diverter valve and lining other end;
When diverter valve rotates, first irregularly-shaped hole is overlapping with upper cylinder vent or lower cylinder vent, second irregularly-shaped hole is overlapping with lower cylinder vent, cause the pressurized air in seal chamber to inject upper cylinder or lower cylinder by the first irregularly-shaped hole, the pressurized air simultaneously in seal chamber injects lower cylinder by the second irregularly-shaped hole.
In one embodiment, the second irregularly-shaped hole and the equal ovalize of lower cylinder vent.
In one embodiment, the second irregularly-shaped hole and lower cylinder vent are all rectangle.
In one embodiment, the distance of the first irregularly-shaped hole central point and diverter valve central point is less than the distance of the second irregularly-shaped hole central point and diverter valve central point.
In one embodiment, the second irregularly-shaped hole is horizontally set on diverter valve, and lower cylinder vent is vertically arranged on lining, and when diverter valve rotates, the second irregularly-shaped hole and lower cylinder vent juxtaposition.
In one embodiment, upper cylinder vent is rounded, and the distributing order of upper cylinder vent and lower cylinder vent is cylinder working order.
In one embodiment, radial-piston engine also comprises breathing pipe, and breathing pipe is communicated with upper cylinder vent and corresponding upper cylinder, and is communicated with lower cylinder vent and corresponding lower cylinder.
In one embodiment, cylinder comprises the first cylinder, the second cylinder, the 3rd cylinder, four-cylinder, the 5th cylinder, the 6th cylinder, the 7th cylinder, the 8th cylinder and the 9th cylinder, first cylinder, the second cylinder, the 3rd cylinder, four-cylinder, the 5th cylinder, the 6th cylinder, the 7th cylinder, the 8th cylinder and the 9th cylinder are star-arrangement, and the first cylinder, the second cylinder, the 3rd cylinder, the 8th cylinder and the 9th cylinder are described upper cylinder, four-cylinder, the 5th cylinder, the 6th cylinder and the 7th cylinder are lower cylinder.
The beneficial effect of the application is: the radial-piston engine that the application provides, comprise cylinder and air sparger, when diverter valve rotates, pressurized air in seal chamber injects upper cylinder or lower cylinder by the first irregularly-shaped hole, to make cylinder operation, pressurized air simultaneously in seal chamber injects lower cylinder by the second irregularly-shaped hole and lower cylinder vent, and the long-pending oil removed by the exhaust valve of lower cylinder in lower cylinder, make, the air sparger that the application provides not only has the function of piloting engine, also possess and remove the function that motor lower cylinder amasss oil, further increase the reliability of motor.
Accompanying drawing explanation
Fig. 1 is the air-distribution gas lid structural representation of this example;
The diverter valve structural representation that Fig. 2 (a) is this example;
The position arrangement schematic diagram of the radial-piston engine cylinder that Fig. 2 (b) is this example;
The bush structure schematic diagram that Fig. 2 (c) is this example;
Fig. 3 is the air sparger sectional view of this example;
Fig. 4 is the long-pending oily schematic diagram in the 5th cylinder in the removing lower cylinder of this example;
Fig. 5 is the long-pending oily schematic diagram in the four-cylinder in the removing lower cylinder of this example.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
The radial-piston engine that this example provides, comprise cylinder, breathing pipe and air sparger, the number of the cylinder of the radial-piston engine of this example is 9, namely the cylinder of this example comprises the first cylinder, second cylinder, 3rd cylinder, four-cylinder, 5th cylinder, 6th cylinder, 7th cylinder, 8th cylinder and the 9th cylinder, and the first cylinder, second cylinder, 3rd cylinder, four-cylinder, 5th cylinder, 6th cylinder, 7th cylinder, 8th cylinder and the 9th cylinder are star-arrangement, further, in position, the cylinder of this example is divided into upper cylinder and lower cylinder, wherein, first cylinder, second cylinder, 3rd cylinder, 8th cylinder and the 9th cylinder are upper cylinder, four-cylinder, 5th cylinder, 6th cylinder and the 7th cylinder are lower cylinder.
The air sparger of this example comprises housing 1, diverter valve 2 and lining 3; As shown in Figure 1, enclose a seal chamber inside housing 1, be provided with 9 projection seats 11 outside housing 1, each projection seat is provided with through hole, and breathing pipe one end is communicated with through hole, and the other end is communicated with cylinder, and sealing cavity is communicated with cylinder.
As shown in Fig. 2 (a), the diverter valve 2 of this example is provided with the first irregularly-shaped hole 21 and the second irregularly-shaped hole 22, first irregularly-shaped hole 21 of this example and the second irregularly-shaped hole 22 all ovalizes, and the distance of the first irregularly-shaped hole 21 central point and diverter valve 2 central point is less than the distance of the second irregularly-shaped hole 22 central point and diverter valve 2 central point, as shown in Fig. 2 (b), lining 3 is provided with the upper cylinder vent 31 communicated with upper cylinder and the lower cylinder vent 32 communicated with lower cylinder, wherein, the number of upper cylinder vent 31 is corresponding with the number of upper cylinder, the number of lower cylinder vent 32 is corresponding with the number of lower cylinder, the upper cylinder vent 31 of this example is rounded, lower cylinder vent 32 ovalize, and the distributing order of upper cylinder vent 31 and lower cylinder vent 32 is the job order of cylinder, wherein, the job order of radial-piston engine cylinder is: the first working cylinder 1 ＇-three working cylinder 3 ＇-five working cylinder 5 ＇-seven working cylinder 7 ＇-nine working cylinder 9 ＇-the second working cylinder 2 ＇-four working cylinder 4 ＇-six working cylinder 6 ＇-eight working cylinder 8 ＇-the first working cylinder 1 ＇, the job order of cylinder is well known to those skilled in the art, do not repeat, the position arrangement of radial-piston engine cylinder is: the first ＂-four-cylinder placement position 4, ＂-three cylinder placement position 3, ＂-the second cylinder placement position 2, cylinder placement position 1 ＂-five cylinder places ＂-seven cylinder placement position 7, ＂-six cylinder placement position 6, position 5 ＂-eight cylinder placement position 8 ＂-nine cylinder placement position 9 ＂, overall in star-arrangement, as shown in Fig. 2 (b), wherein, upper cylinder vent 31 is respectively with the first working cylinder 1 ＇, the second working cylinder 2 ＇, the 3rd working cylinder 3 ＇, the 8th working cylinder 8 ＇ with the 9th working cylinder 9 ＇ is corresponding is arranged on lining 3, lower cylinder vent 32 is respectively with the 4th working cylinder 4 ＇, the 5th working cylinder 5 ＇, the 6th working cylinder 6 ＇ with the 7th working cylinder 7 ＇ is corresponding is arranged on lining 3, as shown in Fig. 2 (c), upper cylinder vent 31 is communicated with corresponding upper cylinder intersection by breathing pipe by this example, and is communicated with corresponding lower cylinder intersection by lower cylinder vent 32, by 1 ＇ and 1 ＂, 2 ＇ and 2 ＂ ..., 9 ＇ intersect with 9 ＂ and are communicated with.
Further, second irregularly-shaped hole 22 is horizontally set on diverter valve 2, lower cylinder vent 32 is vertically arranged on lining 3, concrete, the center of the relative lining 3 of lower cylinder vent 32 is vertically arranged on lining 3, when diverter valve 2 is rotated, the second irregularly-shaped hole 22 and lower cylinder vent 32 juxtaposition.
Diverter valve 2 and the lining 3 of this example are placed in seal chamber respectively, concrete, the inwall of lining 3 one end face and housing 1 is fitted, and be located on the inwall of housing 1 by locating stud, fit in diverter valve 2 and lining 3 other end, when diverter valve 2 rotates, first irregularly-shaped hole 21 is overlapping with upper cylinder vent 31 or lower cylinder vent 32, second irregularly-shaped hole 22 is overlapping with lower cylinder vent 32, the pressurized air in seal chamber is caused to inject upper cylinder or lower cylinder by the first irregularly-shaped hole 21, pressurized air simultaneously in seal chamber injects lower cylinder by the second irregularly-shaped hole 22, reach the object utilizing pressurized air to remove lower cylinder inner product oil.
In other embodiments, the second irregularly-shaped hole 22 and lower cylinder vent 32 can be rectangular, when diverter valve 2 rotates, reach the second irregularly-shaped hole 22 and lower cylinder vent 32 juxtaposition.
Further, the air sparger of this example also comprises one-way cock 4, bearing support 5, spring 6 and driving gear 7, as shown in Figure 3, one-way cock 4, bearing support 5, spring 6 and driving gear 7 are placed in housing 1 respectively, and bearing support 5 one end and driving gear 7 link, the other end and diverter valve 2 link, the working method of air sparger is: in-engine gear driven driving gear 7, driving gear 7 live axle bearing 5, bearing support 5 is made to drive diverter valve 2 to rotate, and under the effect of spring 6, diverter valve 2 is fitted with the end face of lining 3, one-way cock 4 is for injecting compressed air in seal chamber.
The working principle that the air sparger of this example realizes the long-pending oil in removing lower cylinder is: during air sparger work, pressurized air is delivered in the seal chamber inside housing 1 through one-way cock 4, first irregularly-shaped hole 21 presses cylinder working order, at associated compression stroke, compressed air delivery is piloted engine to each cylinder, second irregularly-shaped hole 22 at the first irregularly-shaped hole to four-cylinder, 6th cylinder, when the 3rd cylinder and the 5th cylinder conveying pressurized air, close not yet completely at exhaust valve respectively by lower cylinder vent 32, to the 5th cylinder when intake stroke starts, 7th cylinder, four-cylinder and the 6th cylinder conveying pressurized air, the long-pending oil in lower cylinder is removed by exhaust valve.
Concrete, to remove the long-pending oil in the 5th cylinder in lower cylinder, as shown in Figure 4, when four-cylinder is in expansion stroke, 5th cylinder is in intake stroke, diverter valve 2 is along being rotated counterclockwise, when the lower cylinder vent 32 corresponding with four-cylinder when the first irregularly-shaped hole 21 of diverter valve 2 is overlapping, pressurized air starts to enter four-cylinder, promotes piston, makes crankshaft rotating, simultaneously, the lower cylinder vent 32 that second irregularly-shaped hole 22 of diverter valve 2 is corresponding with the 5th cylinder is overlapping, and pressurized air enters in the 5th cylinder, blows down the long-pending oil in the 5th cylinder.
Further, to remove the long-pending oil in the four-cylinder in lower cylinder, as shown in Figure 5, when 3rd cylinder is in expansion stroke, four-cylinder is in intake stroke, when the upper cylinder vent 31 corresponding with the 3rd cylinder when the first irregularly-shaped hole 21 of diverter valve 2 is overlapping, pressurized air starts to enter the 3rd cylinder, promote piston, make crankshaft rotating, meanwhile, the lower cylinder vent 32 that the second irregularly-shaped hole 22 of diverter valve 2 is corresponding with four-cylinder is overlapping, pressurized air enters in four-cylinder, blows down the long-pending oil in four-cylinder.
Remove the 6th cylinder in lower cylinder and the long-pending oil in the 7th cylinder and the long-pending oils removed in the 5th cylinder with, do not repeat, the radial-piston engine that the application provides, diverter valve 2 due to air sparger devises the second irregularly-shaped hole 22, and lining 3 devises lower cylinder vent 32, the air sparger of this example is made not only to have the function of piloting engine, also possesses the function of the long-pending oil removed in lower cylinder, the radial-piston engine of this example is made to be applied in aviation field, effectively can avoid hydraulic impact, improve the safety reliability of aircraft flight.
Above content is in conjunction with concrete mode of execution further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made.
Claims (8)
1. a radial-piston engine, comprise cylinder and air sparger, described cylinder comprises upper cylinder and lower cylinder, described air sparger comprises housing (1), described housing (1) encloses a seal chamber, described seal chamber is communicated with described cylinder, it is characterized in that, described air sparger also comprises: diverter valve (2) and lining (3);
Described diverter valve (2) is provided with the first irregularly-shaped hole (21) and the second irregularly-shaped hole (22), described lining (3) is provided with the upper cylinder vent (31) communicated with described upper cylinder, and the lower cylinder vent (32) communicated with described lower cylinder;
Described lining (3) and diverter valve (2) are placed in described seal chamber respectively, and the inwall of described lining (3) end face and described housing (1) is fitted, fit in described diverter valve (2) and described lining (3) other end;
When described diverter valve (2) rotates, described first irregularly-shaped hole (21) is overlapping with described upper cylinder vent (31) or described lower cylinder vent (32), described second irregularly-shaped hole (22) is overlapping with described lower cylinder vent (32), cause the pressurized air in described seal chamber to inject described upper cylinder or described lower cylinder by described first irregularly-shaped hole (21), the pressurized air simultaneously in described seal chamber injects described lower cylinder by described second irregularly-shaped hole (22).
2. radial-piston engine as claimed in claim 1, is characterized in that, described second irregularly-shaped hole (22) and described lower cylinder vent (32) all ovalizes.
3. radial-piston engine as claimed in claim 1, it is characterized in that, described second irregularly-shaped hole (22) and described lower cylinder vent (32) are all rectangle.
4. radial-piston engine as claimed in claim 2 or claim 3, it is characterized in that, the distance of described first irregularly-shaped hole (21) central point and described diverter valve (2) central point is less than the distance of described second irregularly-shaped hole (22) central point and described diverter valve (2) central point.
5. radial-piston engine as claimed in claim 2 or claim 3, it is characterized in that, described second irregularly-shaped hole (22) is horizontally set on described diverter valve (2), described lower cylinder vent (32) is horizontally set on described lining (3), and during described diverter valve (2) rotation, described second irregularly-shaped hole (22) and described lower cylinder vent (32) juxtaposition.
6. radial-piston engine as claimed in claim 5, it is characterized in that, described upper cylinder vent (31) is rounded, and the distributing order of described upper cylinder vent (31) and described lower cylinder vent (32) is described cylinder working order.
7. radial-piston engine as claimed in claim 6, it is characterized in that, also comprise breathing pipe, described breathing pipe is communicated with described upper cylinder vent (31) and corresponding described upper cylinder, and is communicated with described lower cylinder vent (32) and corresponding described lower cylinder.
8. radial-piston engine as claimed in claim 7, it is characterized in that, described cylinder comprises the first cylinder, second cylinder, 3rd cylinder, four-cylinder, 5th cylinder, 6th cylinder, 7th cylinder, 8th cylinder and the 9th cylinder, described first cylinder, second cylinder, 3rd cylinder, four-cylinder, 5th cylinder, 6th cylinder, 7th cylinder, 8th cylinder and the 9th cylinder are star-arrangement, and described first cylinder, second cylinder, 3rd cylinder, 8th cylinder and the 9th cylinder are described upper cylinder, described four-cylinder, 5th cylinder, 6th cylinder and the 7th cylinder are described lower cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410545245.2A CN104373208B (en) | 2014-10-15 | 2014-10-15 | A kind of radial-piston engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410545245.2A CN104373208B (en) | 2014-10-15 | 2014-10-15 | A kind of radial-piston engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104373208A true CN104373208A (en) | 2015-02-25 |
| CN104373208B CN104373208B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410545245.2A Active CN104373208B (en) | 2014-10-15 | 2014-10-15 | A kind of radial-piston engine |
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| CN (1) | CN104373208B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5671702A (en) * | 1994-02-17 | 1997-09-30 | Kesol Production Ab | Valve system in a rotary radial-piston engine |
| JP2002242771A (en) * | 2001-02-14 | 2002-08-28 | Honda Motor Co Ltd | Intake manifold for engine |
| CN101069004A (en) * | 2005-04-04 | 2007-11-07 | 京商株式会社 | Multi-cylinder two-stroke radial engine |
| US20090277412A1 (en) * | 2008-05-09 | 2009-11-12 | Honda Motor Co., Ltd. | Intake system for v-type multicylinder internal combustion engine |
-
2014
- 2014-10-15 CN CN201410545245.2A patent/CN104373208B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5671702A (en) * | 1994-02-17 | 1997-09-30 | Kesol Production Ab | Valve system in a rotary radial-piston engine |
| JP2002242771A (en) * | 2001-02-14 | 2002-08-28 | Honda Motor Co Ltd | Intake manifold for engine |
| CN101069004A (en) * | 2005-04-04 | 2007-11-07 | 京商株式会社 | Multi-cylinder two-stroke radial engine |
| US20090277412A1 (en) * | 2008-05-09 | 2009-11-12 | Honda Motor Co., Ltd. | Intake system for v-type multicylinder internal combustion engine |
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|---|---|
| CN104373208B (en) | 2016-08-31 |
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Address after: 412002 Dong Jia Duan, Lusong District, Zhuzhou City, Hunan Province Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jia Duan, Lusong District, Zhuzhou City, Hunan Province Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
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