CN204099025U - A kind of engine piston cooling structure - Google Patents
A kind of engine piston cooling structure Download PDFInfo
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- CN204099025U CN204099025U CN201420420437.6U CN201420420437U CN204099025U CN 204099025 U CN204099025 U CN 204099025U CN 201420420437 U CN201420420437 U CN 201420420437U CN 204099025 U CN204099025 U CN 204099025U
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- oil
- piston
- connecting rod
- rod
- wrist pin
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of engine piston cooling structure, comprise piston, piston is connected with one end of connecting rod by wrist pin, the other end of connecting rod is connected with bent axle, interior oil cooling passage is provided with in described piston, the connecting rod oil line at through two ends is provided with vertically in described connecting rod, axial oil duct is provided with in bent axle, on the connecting rod neck that crankshaft-and-connecting-rod connects, the cross-section of respective link oil duct is also radially provided with the jet of connection shaft to oil duct, wrist pin is provided with main oil gallery along axis, main oil gallery two ends are provided with sealing plug, at middle respective link oil duct place on the circumferential surface of wrist pin, and two ends, left and right are respectively equipped with annular oil groove, wrist pin is also radially provided with the radial direction oil being communicated with main oil gallery at three annular oil groove places, described interior oil cooling passage is respectively equipped with filler opening at the annular oil groove place at two ends, corresponding wrist pin left and right, the oil outlet of interior oil cooling passage and the inner space of piston.The utility model overall structure is simple, reliability is high, and can improve the cooling effectiveness of machine oil.
Description
Technical field
The utility model relates to a kind of piston of automobile engine structure, especially relates to a kind of cooling structure of engine piston.
Background technique
Piston of automobile engine connection rod set comprises piston, the connecting rod be connected with bent axle, connects the wrist pin of piston and connecting rod, piston head is as the constituent element of firing chamber, it bears the gas pressure of high temperature, and pass to the rotation of connecting rod driving crank by wrist pin, thus piston needs to work under the operating conditions of high temperature, high pressure, high speed, directly contact with high-temperature gas during pistons work, and the radiating condition of itself is poor, therefore need effectively to cool piston and whole connection rod set, just can guarantee that it normally works.In the prior art, in order to cooling piston, a kind of common method sprays the cooling of cooling and lubricating machine oil realization to piston by the nozzle be arranged on rear side of piston to piston, because cooling machine oil cannot enter internal piston, therefore its cooling effect is not good enough, and the heat of internal piston is difficult to be taken away rapidly.Another kind method is then arrange interior oil cooling passage in piston, and cooling machine oil enters from the filler opening of interior oil cooling passage one end, then flows out from the oil outlet of the interior oil cooling passage the other end, and flow back in oil sump, thus the inside of piston is cooled.Such as: in Chinese patent literature disclosed " a kind of diesel engine piston cooling structure ", Authorization Notice No. is CN202493354U, it comprises the interior oil cooling passage being formed in internal piston, the center being centrally located at piston of interior oil cooling passage, one end of described interior oil cooling passage is communicated with interior oil cooling passage filler opening, the nozzle be communicated with diesel-engine body main oil gallery is set below interior oil cooling passage filler opening, the oil outlet of described nozzle is just to described interior oil cooling passage filler opening, the other end of described interior oil cooling passage is communicated with interior oil cooling passage oil outlet, wherein interior oil cooling passage filler opening and interior oil cooling passage oil outlet are arranged symmetrically.During engine operation, cooling machine oil is through main oil gallery oil cooling passage in nozzle ejection to oil duct filler opening and in flowing into, then to flow out from oil outlet, finally flow back to oil sump, the heat of such piston head is just taken away by absorption by the machine oil flowed.But the type of cooling there are the following problems: first, need in the piston of high-speed motion, below oil cooling passage filler opening, arrange one to be communicated with and the nozzle servo-actuated with piston with main oil gallery, thus not only make complicated integral structure, increase cost, easily break down simultaneously, reduce reliability during engine operation; Secondly, easily there is part machine oil backflow phenomenon because whole runner does not close in the machine oil entering into interior oil cooling passage filler opening from nozzle ejection, thus reduces cooling effectiveness.
Model utility content
It is low and easily occur machine oil backflow phenomenon thus reduce the problem of cooling effectiveness that the purpose of this utility model is to solve the complicated integral structure existing for the interior oil cooling passage type of cooling that existing engine piston adopts, reliability, a kind of engine piston cooling structure is provided, its overall structure is simple, reliability is high, and can improve the cooling effectiveness of machine oil.
To achieve these goals, the utility model is by the following technical solutions:
A kind of engine piston cooling structure, comprise the piston with inner chamber, piston is connected with one end of connecting rod by wrist pin, the other end of connecting rod is connected with bent axle, interior oil cooling passage is provided with in described piston, the connecting rod oil line at through two ends is provided with vertically in described connecting rod, axial oil duct is provided with in bent axle, on the connecting rod neck that crankshaft-and-connecting-rod connects, the cross-section of respective link oil duct is also radially provided with the jet of connection shaft to oil duct, wrist pin is provided with main oil gallery along axis, main oil gallery two ends are provided with sealing plug, at middle respective link oil duct place on the circumferential surface of wrist pin, and two ends, left and right are respectively equipped with annular oil groove, wrist pin is also radially provided with the radial direction oil being communicated with main oil gallery at three annular oil groove places, described interior oil cooling passage is respectively equipped with filler opening at the annular oil groove place at two ends, corresponding wrist pin left and right, the oil outlet of interior oil cooling passage and the inner space of piston.
When the engine operates, crankshaft high-speed rotates, therefore, the cooling machine oil departed from the axial oil duct in the connecting rod neck of crank rotation axis can produce a great centrifugal force, thus make cooling machine oil form a pressure, when the jet on connecting rod neck turns to the connecting rod oil line aiming at connecting rod, namely cooling machine oil can enter in the connecting rod oil line of connecting rod by spray regime, along with the rotation of bent axle, jet and connecting rod oil line misplace, cooling machine oil stops spraying, thus the pulsed forming a kind of cooling machine oil is sprayed.Cooling machine oil in connecting rod oil line enters in main oil gallery by the annular oil groove in the middle of wrist pin and corresponding radial direction oil, then the radial direction oil through wrist pin two ends, annular oil groove and filler opening enter into interior oil cooling passage, the last inner chamber entering piston from oil outlet, and flow back in oil sump.Due in the utility model for the cooling machine oil of cooling piston from bent axle, and the centrifugal force that produces of the rotation that make use of bent axle dexterously pushes cooling machine oil, thus without the need to arranging the nozzle spraying cooling machine oil, greatly simplifies cooling structure.Particularly, when jet and connecting rod oil line misplace, the passage between connecting rod oil line and jet is cut off, thus effectively can stop the backflow of cooling machine oil, is conducive to the cooling effectiveness improving cooling machine oil.
As preferably, described interior oil cooling passage comprises the backflow oil duct being arranged on two, left and right arc oil duct in piston on same cross section symmetrically, being communicated with arc oil duct, the through piston cavity in one end of described backflow oil duct thus form oil outlet, the other end is through piston outer side surface then, is connected to shunting oil duct between two, left and right filler opening and corresponding two, left and right arc oil duct.
Symmetrically arranged two arc oil ducts can carry out full and uniform cooling to piston, and the through piston outer side surface in the outer end of the oil duct that refluxes, a part of cooling machine oil can be flowed out from the outer side surface of piston, thus good lubrication is played to piston.
As preferably, a booster rod is plugged with in described connecting rod oil line, described booster rod comprises the columniform body of rod, the circumferential surface of the body of rod is provided with some pressurized rings vertically equally spacedly, between pressurized ring and the madial wall of connecting rod oil line, there is gap, pressurized ring has a propelling movement face near piston side and the guide face near bent axle side, described propelling movement face and the guide face conical surface all for progressively being reduced to bent axle side by piston side, thus make pressurized ring triangular in shape on the axial cross section of the body of rod, the two ends of the body of rod are respectively equipped with at least two radial positioning rods extended, the outer end of positioning rod is against connecting rod oil line madial wall.
During engine operation, link lever high-speed ground to-and-fro motion, when connecting rod is towards bent axle one end high-speed motion, due to the effect of inertia, cooling machine oil in connecting rod oil line can not be followed connecting rod and be moved together, but successfully flow near piston side conical guide face on pressurized ring, thus enter in the interior oil cooling passage of piston with forming relative reach between connecting rod.When connecting rod is towards the reversing motion of piston one end, pressurized ring then promotes cooling machine oil near the taper shape propelling movement face of the indent of piston side move together with connecting rod, to avoid the rollback of cooling machine oil, thus make cooling machine oil form pulsed conveying, improve promotion ability and the cooling effectiveness of cooling machine oil further.
As preferably, described sealing plug is truncated cone, and its circular substrate by centre and the bending of the edge by annular substrate extend and the cone seal limit increased gradually is formed, and the tapering on cone seal limit is 3-5 degree.
The sealing plug entirety be made up of circular substrate and cone seal limit is in truncated cone, thus be convenient to fill in the main oil gallery of wrist pin, and cone seal limit can produce good elasticity, thus the inwall of sealing plug and main oil gallery is fitted tightly, to realize good sealing, cone seal limit can form hangnail effect simultaneously, thus avoids deviating from of sealing plug.
Therefore, the utility model has following beneficial effect: its overall structure is simple, reliability is high, and can improve the cooling effectiveness of machine oil.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation schematic diagram of the present utility model.
Fig. 2 is the cross-sectional view at A-A place in Fig. 1.
Fig. 3 is a kind of structural representation of sealing plug.
Fig. 4 is the structural representation of booster rod.
In figure: 1, piston 11, inner chamber 12, piston pin hole 2, wrist pin 21, main oil gallery 22, annular oil groove 23, radial direction oil 3, connecting rod 31, connecting rod oil line 4, bent axle 41, connecting rod neck 42, axial oil duct 43, jet 5, interior oil cooling passage 51, arc oil duct 52, backflow oil duct 521, oil outlet 53, shunting oil duct 531, filler opening 6, sealing plug 61, circular substrate 62, cone seal limit 7, booster rod 71, the body of rod 72, pressurized ring 721, propelling movement face 722, guide face 73, positioning rod
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
As shown in Figure 1 and Figure 2, a kind of engine piston cooling structure, comprises a piston 1, piston is connected with the small end of connecting rod 3 by wrist pin 2, the large end of connecting rod is connected with the connecting rod neck 41 of bent axle 4, and piston has an inner chamber 11 near connecting rod one end, to hold the small end of connecting rod.Arrange interior oil cooling passage 5 in piston, with cooling piston effectively, interior oil cooling passage comprises the backflow oil duct 52 of two, left and right arc the oil duct 51 and radial direction be arranged on symmetrically in piston on the same cross section of piston end surface.The center of circle of arc oil duct is positioned on the axis of piston, thus makes arc oil duct form equal distance with the outer side wall of piston, to improve the conformity of piston cooling effect.The through piston outer side surface in outer end of backflow oil duct, the inner chamber of through piston after the inner connection arc oil duct of backflow oil duct, thus form oil outlet 521, two, left and right in piston arc oil duct is also connected to shunting oil duct 53, piston pin hole about 12 two ends of the through piston of the other end difference of two shunting oil ducts, thus two, the left and right filler opening 531 of oil cooling passage in being formed, preferably, two shunting oil ducts are positioned at the same cross section that piston axis and piston pin axis are formed.Arrange axial oil duct 42 in bent axle, it is communicated with the cooling machine oil main oil gallery of motor, to provide Cooling and Lubricator for bent axle, in simultaneously in piston, oil cooling passage provides cooling machine oil.
In order to the cooling machine oil in the axial oil duct of bent axle successfully be sent in piston in oil cooling passage, we can arrange the connecting rod oil line 31 at through two ends vertically in connecting rod, on the connecting rod neck of crankshaft-and-connecting-rod connection, the cross-section of respective link oil duct radially arranges the jet 43 of connection shaft to oil duct simultaneously, preferably, the connecting rod oil line dead in line when axis of jet and piston arrives upper dead center position.In addition, wrist pin arranges a main oil gallery 21 along axis, on the circumferential surface of wrist pin, corresponding two filler opening places, two ends, left and right and middle respective link oil duct place arrange an annular oil groove 22 respectively simultaneously, middle annular oil groove is connected with connecting rod oil line, and the arc oil groove at two ends is communicated with respectively with the filler opening of two interior oil cooling passages.In addition, the outer end arranging radial direction oil 23, three radial direction oil being communicated with main oil gallery respectively along the diametric(al) of wrist pin in the two ends, left and right of wrist pin and neutral position is three, left, center, right annular oil groove on through wrist pin respectively.Certainly, we need to arrange sealing plug 6 at the two ends of main oil gallery, particularly, as shown in Figure 3, sealing plug is truncated cone, its circular substrate 61 by centre and the bending of the edge by annular substrate extend and the cone seal limit 62 increased gradually is formed, certainly, the external diameter of annular substrate should be less than the internal diameter of main oil gallery, and the tapering on cone seal limit can between 3-5 degree, and sealing plug by stainless steel sheets drawing, thus can make it have good elasticity.Like this, annular substrate one end less for sealing plug can be filled in the main oil gallery of wrist pin by we, and pushing in main oil gallery after circular substrate with circular rod member, now cone seal limit is subject to the extruding of main oil gallery madial wall and inside contracts, thus sealing plug is successfully entered in main oil gallery, the inwall of cone seal limit and main oil gallery fits tightly, to realize good sealing simultaneously, and cone seal limit has hangnail effect, thus sealing plug is avoided outwards to deviate from.
When the engine operates, piston promotes crankshaft high-speed by connecting rod and rotates, and now, departs from the axial oil duct in the connecting rod neck of crank rotation axis and the cooling machine oil in jet can produce a great centrifugal force, thus make cooling machine oil produce in pressure.When the piston reaches the top dead center position, the jet on connecting rod neck just aims at the connecting rod oil line of connecting rod, and namely the cooling machine oil now in jet with certain interior pressure can enter in the connecting rod oil line of connecting rod from jet ejection by spray regime.Entering into cooling machine oil in connecting rod oil line enters in main oil gallery by the annular oil groove in the middle of wrist pin and the radial direction oil that is communicated with the annular oil groove of centre, then through the radial direction oil at wrist pin two ends, annular oil groove enters in the filler opening at interior oil cooling passage two ends, the cooling machine oil entering filler opening enters in arc oil duct along shunting oil duct with cooling piston, a part of cooling machine oil in arc oil duct flows out the outer side surface of piston through the outer end of the oil duct that refluxes, thus good cooling is played to piston, lubrication, in arc oil duct, the oil outlet of remaining cooling machine oil through oil duct the inner of refluxing enters the inner chamber of piston, finally flow back in oil sump, form the circulation of cooling machine oil.Along with the rotation of bent axle, jet and connecting rod oil line misplace, and jet by shutoff, thus stops spraying cooling machine oil, and stops the backflow of the cooling machine oil in connecting rod oil line.Jet oil spout again during upper dead center position next etc. piston arrives, thus the pulsed forming a kind of cooling machine oil is sprayed.
Further, as shown in Figure 4, we also can in connecting rod oil line grafting booster rod 7, this booster rod comprises the columniform body of rod 71, the circumferential surface of the body of rod arranges some pressurized rings 72 vertically equally spacedly, between pressurized ring and the madial wall of connecting rod oil line, there is gap, pressurized ring has a propelling movement face 721 near piston side and the guide face 722 near bent axle side, propelling movement face and the guide face conical surface all for progressively being reduced to bent axle side by piston side, certainly, the tapering in propelling movement face is greater than the tapering of guide face, thus make pressurized ring triangular in shape on the axial cross section of the body of rod.In addition, for the ease of the location of the body of rod in connection oil duct, we can be respectively provided to few two radial positioning rods 73 extended at the two ends of the body of rod, preferably, the quantity of positioning rod is three, and 120 degree of settings at circumferencial direction interval, positioning rod can be made up of Spring Steel Wire, and outer end bends to annulus, the outer end of positioning rod is against connecting rod oil line madial wall.Like this, when we need to install booster rod, booster rod can be filled in connecting rod oil line easily, and relies on the elasticity of positioning rod to be positioned in connecting rod oil line.
During engine operation, link lever high-speed ground to-and-fro motion, when connecting rod is towards bent axle one end high-speed motion, guide face on booster rod is positioned at the front side in link motion direction, due to the taper shape that guide face is now pre-small post-large, therefore, under the effect of inertia, cooling machine oil in connecting rod oil line along the left relative movement of the conical guide face of pressurized ring, thus with form relative reach between connecting rod and enter in the interior oil cooling passage of piston.When connecting rod is towards the reversing motion of piston one end, pressurized ring then promotes cooling machine oil near the taper shape propelling movement face of the indent of piston side move together with connecting rod, to avoid the rollback of cooling machine oil, thus improve promotion ability and the cooling effectiveness of cooling machine oil further.
Claims (4)
1. an engine piston cooling structure, comprise the piston with inner chamber, piston is connected with one end of connecting rod by wrist pin, the other end of connecting rod is connected with bent axle, interior oil cooling passage is provided with in described piston, it is characterized in that, the connecting rod oil line at through two ends is provided with vertically in described connecting rod, axial oil duct is provided with in bent axle, on the connecting rod neck that crankshaft-and-connecting-rod connects, the cross-section of respective link oil duct is also radially provided with the jet of connection shaft to oil duct, wrist pin is provided with main oil gallery along axis, main oil gallery two ends are provided with sealing plug, at middle respective link oil duct place on the circumferential surface of wrist pin, and two ends, left and right are respectively equipped with annular oil groove, wrist pin is also radially provided with the radial direction oil being communicated with main oil gallery at three annular oil groove places, described interior oil cooling passage is respectively equipped with filler opening at the annular oil groove place at two ends, corresponding wrist pin left and right, the oil outlet of interior oil cooling passage and the inner space of piston.
2. a kind of engine piston cooling structure according to claim 1, it is characterized in that, described interior oil cooling passage comprises the backflow oil duct being arranged on two, left and right arc oil duct in piston on same cross section symmetrically, being communicated with arc oil duct, the through piston cavity in one end of described backflow oil duct thus form oil outlet, the other end is through piston outer side surface then, is connected to shunting oil duct between two, left and right filler opening and corresponding two, left and right arc oil duct.
3. a kind of engine piston cooling structure according to claim 1, it is characterized in that, a booster rod is plugged with in described connecting rod oil line, described booster rod comprises the columniform body of rod, the circumferential surface of the body of rod is provided with some pressurized rings vertically equally spacedly, between pressurized ring and the madial wall of connecting rod oil line, there is gap, pressurized ring has a propelling movement face near piston side and the guide face near bent axle side, described propelling movement face and the guide face conical surface all for progressively being reduced to bent axle side by piston side, thus make pressurized ring triangular in shape on the axial cross section of the body of rod, the two ends of the body of rod are respectively equipped with at least two radial positioning rods extended, the outer end of positioning rod is against connecting rod oil line madial wall.
4. a kind of engine piston cooling structure according to claim 1 and 2, it is characterized in that, described sealing plug is truncated cone, and its circular substrate by centre and the bending of the edge by annular substrate extend and the cone seal limit increased gradually is formed, and the tapering on cone seal limit is 3-5 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420420437.6U CN204099025U (en) | 2014-07-29 | 2014-07-29 | A kind of engine piston cooling structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420420437.6U CN204099025U (en) | 2014-07-29 | 2014-07-29 | A kind of engine piston cooling structure |
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| CN204099025U true CN204099025U (en) | 2015-01-14 |
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| CN201420420437.6U Expired - Fee Related CN204099025U (en) | 2014-07-29 | 2014-07-29 | A kind of engine piston cooling structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386890A (en) * | 2015-12-10 | 2016-03-09 | 广西玉柴机器股份有限公司 | Piston pin |
| CN107489511A (en) * | 2016-12-23 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of vehicle, engine and piston connecting rod unit cooling body |
| CN108757207A (en) * | 2018-06-06 | 2018-11-06 | 大丰市勇拓机械厂 | A kind of high-precision connecting rod centering positioning piston |
| CN109538338A (en) * | 2018-08-14 | 2019-03-29 | 任星园 | The engine of convertible thermal energy |
| CN109812351A (en) * | 2019-02-27 | 2019-05-28 | 天津大学 | Engine spray cloth oil piston |
| WO2021223421A1 (en) * | 2020-05-08 | 2021-11-11 | 广西玉柴机器股份有限公司 | Piston head cooling structure |
-
2014
- 2014-07-29 CN CN201420420437.6U patent/CN204099025U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386890A (en) * | 2015-12-10 | 2016-03-09 | 广西玉柴机器股份有限公司 | Piston pin |
| CN107489511A (en) * | 2016-12-23 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of vehicle, engine and piston connecting rod unit cooling body |
| CN108757207A (en) * | 2018-06-06 | 2018-11-06 | 大丰市勇拓机械厂 | A kind of high-precision connecting rod centering positioning piston |
| CN109538338A (en) * | 2018-08-14 | 2019-03-29 | 任星园 | The engine of convertible thermal energy |
| CN109812351A (en) * | 2019-02-27 | 2019-05-28 | 天津大学 | Engine spray cloth oil piston |
| WO2021223421A1 (en) * | 2020-05-08 | 2021-11-11 | 广西玉柴机器股份有限公司 | Piston head cooling structure |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151230 Address after: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Patentee after: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Patentee after: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. Patentee after: JI'NAN GEELY AUTO PARTS Co.,Ltd. Patentee after: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Patentee after: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Patentee before: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Patentee before: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. Patentee before: JI'NAN GEELY AUTO PARTS Co.,Ltd. Patentee before: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Patentee before: SHANDONG JILI TRANSMISSION Co.,Ltd. Patentee before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Patentee before: HUNAN JISHENG INTERNATIONAL POWER TRANSMISSION SYSTEM Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 315336 818 Binhai two road, Hangzhou Bay New District, Ningbo, Zhejiang Co-patentee after: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd. Patentee after: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Co-patentee after: JI'NAN GEELY AUTO PARTS Co.,Ltd. Co-patentee after: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Co-patentee after: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Co-patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 315336 818 Binhai two road, Hangzhou Bay New District, Ningbo, Zhejiang Co-patentee before: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. Patentee before: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Co-patentee before: JI'NAN GEELY AUTO PARTS Co.,Ltd. Co-patentee before: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Co-patentee before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Co-patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200629 Address after: 315336 No. two, 818 Binhai New Area, Hangzhou Bay, Zhejiang, Ningbo Co-patentee after: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd. Patentee after: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Co-patentee after: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Co-patentee after: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Co-patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 315336 No. two, 818 Binhai New Area, Hangzhou Bay, Zhejiang, Ningbo Co-patentee before: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd. Patentee before: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Co-patentee before: JI'NAN GEELY AUTO PARTS Co.,Ltd. Co-patentee before: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Co-patentee before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Co-patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20210729 |
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| CF01 | Termination of patent right due to non-payment of annual fee |