CN201412249Y - In-line type fuel pump piston of diesel engine - Google Patents
In-line type fuel pump piston of diesel engine Download PDFInfo
- Publication number
- CN201412249Y CN201412249Y CN2009201519246U CN200920151924U CN201412249Y CN 201412249 Y CN201412249 Y CN 201412249Y CN 2009201519246 U CN2009201519246 U CN 2009201519246U CN 200920151924 U CN200920151924 U CN 200920151924U CN 201412249 Y CN201412249 Y CN 201412249Y
- Authority
- CN
- China
- Prior art keywords
- plunger
- oil
- limit
- plunger body
- fuel feeding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/24—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke
- F02M59/26—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movements of pistons relative to their cylinders
- F02M59/265—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movements of pistons relative to their cylinders characterised by the arrangement or form of spill port of spill contour on the piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
- F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
- F02M45/06—Pumps peculiar thereto
- F02M45/066—Having specially arranged spill port and spill contour on the piston
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model relates to an in-line type fuel pump piston of a diesel engine, which comprises a piston body. The side part of the piston body is provided with an axial oil-leakage trough; the piston wall of the piston body is also provided with a spiral and/or inclined cutting oil-returning trough that is communicated with the oil-leakage trough; the top of the piston body at one side of the oil-returning trough, adjacently to the oil-leakage trough, is provided with an oil supply inclined trough which has a reverse inclined direction compared with the oil-returning trough and is communicated with the top of the piston body. When the diesel engine runs at full load, lagging combustion of the diesel at various rotating speeds does not occur; when the diesel engine works at part load, the oil supply advancing angle is reduced along with the reduction of the oil supply amount so that the content of NO in the exhaust gas of the engine is greatly reduced; the combustion of the engine ismore sufficient, the contents of the CO, hydrocarbon and black smoke in the exhaust gas are greatly reduced and the exhausting temperature is lower; the oil supply time automatic advancer on the oilpump can be removed, and the production cost can be reduced.
Description
Technical field
The utility model relates to a kind of piston structure, particularly relates to a kind of use for diesel engine in-line arrangement fuel pump plunger.
Background technique
Inline plunger pump is to use maximum oil pumps in the domestic and international diesel engine.Wherein, the fuel feeding limit of plunger is exactly the cylindrical of plunger head, is characterized in: fuel feed pump plunger moment of beginning fuel feeding all is identical under any rotating speed and oil mass in theory; And in fact, the plunger fuel feeding changes slight change because of engine speed change causes the spill port amount of restriction constantly.For some high-power or high-revolving motors, the delayed combustion of diesel oil in cylinder in order to prevent to run up at full capacity, on most of oil pump the automatic advancing device of supply time is housed all, the actual fuel feeding of fuel feed pump plunger is changed with the change of engine speed constantly.As everyone knows, fuel feeding does not have sharply to motor is harmful in advance, but only is forced to increase fuel supply advance angle for the delayed combustion that prevents (then) fuel oil.For the oil pump that the automatic advancing device of supply time is housed, effect is better when running up at full capacity, but at full capacity during low-speed running, seeming again, fuel feeding late partially constantly.In contrast, if motor seems that again the fuel feeding moment is early inclined to one side when sub load or speed no-load and high running.For not with the oil pump of advancing device, effect is all better during high, medium and low at full capacity speed, but when sub load or no-load running, high, medium and low fast fuel feeding early all partially constantly.
The model utility content
The purpose of this utility model is, overcomes above-mentioned defective and provides a kind of can make can both the burn use for diesel engine in-line arrangement fuel pump plunger of work done of motor diesel oil under any rotating speed and load in cylinder in good time.
For achieving the above object, the utility model is taked following design proposal:
A kind of use for diesel engine in-line arrangement fuel pump plunger, comprise plunger body, sidepiece in described plunger body is provided with axial drain pan, also have the screw type that links with described drain pan and/or the oil-return groove of inclined cut on the post jamb of described plunger body, have fuel feeding skewed slot opposite with described oil-return groove true dip direction and that lead to described plunger body top with the adjacent of described drain pan at the top of the described plunger body of described oil-return groove one side.
Preferably, the top cylindrical of described plunger body constitutes the fuel feeding limit of plunger, described oil-return groove top constitutes the draining limit of plunger along the plunger body sidewall of drain pan, the upper edge of described oil-return groove constitutes stopping for the limit of plunger, and the length that described fuel feeding skewed slot is arranged on the adjacent on described draining limit and described fuel feeding limit and described draining limit oil-return groove top when not offering described fuel feeding skewed slot extends to the draining edge lengths that the plunger body sidewall of plunger body top cylindrical constituted along drain pan and equates.Further preferably, the straight line that axially parallels through the distal-most end of the described drain pan of described fuel feeding skewed slot and plunger body top connecting place distance and with described plunger body stopping when not offering described fuel feeding skewed slot intersects at point on the plunger sidewall, described low side and the described point that stops for the described draining of process limit, limit for the limit.
Preferably, the diameter of described plunger body is d, and the degree of depth of described fuel feeding skewed slot is 0～d/4.
Preferably, described fuel feeding skewed slot is h along the axial height of plunger body, and the top on described draining limit and the distance between the described distal-most end are greater than 2h, less than the diameter d of plunger body.
Preferably, described fuel feeding skewed slot and the described plunger body angular range between axially is 30～85 °.
The utility model has the advantages that:
When 1, diesel engine is operated at full capacity, all can not make diesel oil delayed combustion under the various rotating speeds;
2, during the diesel engine sub load, because of the minimizing of fuel delivery causes fuel supply advance angle to reduce thereupon, so that the content of the NO in the engine exhaust emission lower significantly;
3, the minimizing of fuel delivery, it is more abundant that engine combustion is got, so the content of the CO in the toxic emission, hydrocarbon and black smoke reduces significantly and exhaust temperature is lower;
4, can remove the automatic advancing device of supply time on the oil pump, reduce production costs.
Description of drawings
The structural representation of in-line arrangement plunger of the prior art shown in Fig. 1;
The plan view of plunger shown in Figure 1 shown in Fig. 2;
Structural representation of the present utility model shown in Fig. 3;
The plan view of plunger shown in Figure 3 shown in Fig. 4;
The front view of plunger shown in Figure 1 shown in Fig. 5;
The front view of plunger shown in Figure 3 shown in Fig. 6;
Fig. 1 shown in Fig. 7 and piston structure shown in Figure 3 face the contrast schematic representation.
Embodiment
Referring to Fig. 3～Fig. 6, the preferred embodiment of a kind of use for diesel engine in-line arrangement of the utility model shown in it fuel pump plunger, comprise plunger body 1, sidepiece in described plunger body 1 is provided with axial drain pan 2, also have the screw type that is connected with described drain pan 2 and/or the oil-return groove 3 of inclined cut on the post jamb of described plunger body 1, the size of described oil-return groove 3 matches with the spill port of fuel pump; In the utility model, for ease of production and processing, described oil-return groove 3 is the groove of straight line type inclined cut.Top in the described plunger body 1 of described oil-return groove 3 one sides has fuel feeding skewed slot 4 opposite with described oil-return groove 3 true dip directions and that lead to described plunger body 1 top with the adjacent of described drain pan 2.In the present embodiment, described fuel feeding skewed slot 4 inside have certain radian, and be the trough body structure of inclined cut, but for the ordinary skill in the art, the cell body that this fuel feeding skewed slot is 4 that can have any shape, be communicated with oil-return groove 3 and plunger body 1 top.
Referring to Fig. 5～Fig. 6, the top cylindrical of described plunger body 1 constitutes the fuel feeding limit 51 of plunger, and AB limit as shown in Figure 5 is the fuel feeding limit of prior art plunger, and AB ' limit as shown in Figure 6 is the fuel feeding limit of the utility model plunger; Described oil-return groove 3 tops are along the draining limit 52 of the plunger body sidewall formation plunger of drain pan 2, and BC limit as shown in Figure 5 is the draining limit of prior art plunger, and B ' C ' limit shown in Figure 6 is the draining limit of the utility model plunger; The upper edge of described oil-return groove 3 constitutes stopping for limit 53 of plunger, and CD limit as shown in Figure 5 is stopping for the limit of prior art plunger, and C ' D shown in Figure 6 limit is stopping for the limit of the utility model plunger; The length that described fuel feeding skewed slot 4 is arranged on the adjacent on described draining limit 52 and described fuel feeding limit 51 and described draining limit 52 oil-return groove 3 tops when not offering described fuel feeding skewed slot 4 extend to the draining limit 52 ' equal in length that the plunger body sidewall of plunger body 1 top cylindrical is constituted along drain pan 2, and BC limit promptly shown in Figure 5 equates with B ' C ' edge lengths shown in Figure 6.
More specifically, referring to Fig. 7, straight line AD that axially parallels through the distal-most end A point of the described drain pan 2 of described fuel feeding skewed slot 4 and plunger body 1 top connecting place distance and with described plunger body 1 and the confession limit 53 ' (CD limit) of stopping when not offering described fuel feeding skewed slot 4 intersect at some D on the plunger sidewall, describedly stop low side C ' point and described some D through described draining limit 52 for limit 53 (C ' D limit), preferably in the present embodiment, described stopping is C ' D line for limit 53, in concrete structure, this stops for limit 53 is a curve.
Further, the size of described fuel feeding skewed slot 4 or size can be determined by one of following three kinds of parameters or the combination parameter between them:
The diameter of described plunger body 1 is d, and the degree of depth of described fuel feeding skewed slot 4 is 0～d/4, and the degree of depth of present embodiment is in the plane axial perpendicular to described plunger body 1, the distance between each point in the described fuel feeding skewed slot 4 and plunger body 1 center longitudinal axis;
Described fuel feeding skewed slot 4 is h along plunger body 1 axial height, and the length of BB ' is h shown in Fig. 6 and 7, and the distance between the top on described draining limit 52 (B ' point) and the described distal-most end A is greater than 2h, less than d.
The scope of the angle α of described fuel feeding skewed slot 4 and described plunger body 1 between axially is 30～85 °.
Working principle of the present utility model is:
Referring to Fig. 7, the utility model plunger fuel feeding limit AB ' is a right-angled triangle with the triangle that a part of BB ' formed of former fuel feeding limit AB and former draining limit BC; After leaving fuel feeding skewed slot 4, by the new leg-of-mutton area formed for limit C ' D, the former part draining limit CC ' that stops for limit CD and increase and very approaching that stops,, the utility model plunger can not change so comparing substantially with traditional plunger at the fuel delivery of each position by the right-angled triangle area of milling.
But the utility model plunger is compared with traditional plunger constantly at each locational fuel feeding and is altered a great deal, and its characteristics are: during specified oil mass fuel feeding the earliest constantly, near draining limit fuel feeding at the latest constantly.The fuel supply advance angle of aforementioned diesel engine is forced to increase in order to prevent that fuel oil from lagging behind, therefore as long as after guaranteeing that advance angle under the specified oil mass of diesel engine (or positive correction oil mass) is suitable, all be more suitable for diesel oil less than the advance angle under any oil mass of specified oil mass and burn work done in cylinder combustion, and oil mass is more little, more near the draining limit, the oil-supply speed of oil pump is fast more, and the burning work done of diesel oil in cylinder is also good more.For example, diesel engine is under full load, and when high, medium and low respectively speed turned round, because the effect of pump governor, fuel feed pump plunger all was in maximum fuel feeding position, and its fuel feeding can not change because of the variation of engine speed constantly.During the engine section load running, same effect because of speed regulator, no matter high, medium and low speed, its fuel delivery is certainly less than specified oil mass, and its advance angle is also less than specified fuel supply advance angle, and this moment, engine air in-cylinder combustion situation was better.If engine idle work is as long as few oil mass just can make the motor steady running.
Therefore, plunger of the present utility model has overcome the shortcoming in traditional plunger work, is more suitable for the diesel oil work done of burning in cylinder.
Obviously, those of ordinary skill in the art can constitute various types of fuel pump plungers with a kind of use for diesel engine in-line arrangement fuel pump plunger of the present utility model.
The foregoing description is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the utility model scope; can also make various variations and modification; therefore all technological schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (6)
1, a kind of use for diesel engine in-line arrangement fuel pump plunger, comprise plunger body (1), sidepiece in described plunger body (1) is provided with axial drain pan (2), also have the screw type that links with described drain pan (2) and/or the oil-return groove (3) of inclined cut on the post jamb of described plunger body (1), it is characterized in that: the top in the described plunger body (1) of described oil-return groove (3) one sides has fuel feeding skewed slot (4) opposite with described oil-return groove (3) true dip direction and that lead to described plunger body (1) top with the adjacent of described drain pan (2).
2, fuel pump plunger according to claim 1, it is characterized in that: the top cylindrical of described plunger body (1) constitutes the fuel feeding limit (51) of plunger, described oil-return groove (3) top constitutes the draining limit (52) of plunger along the plunger body sidewall of drain pan (2), the upper edge of described oil-return groove (3) constitutes stopping for limit (53) of plunger, and the length that described fuel feeding skewed slot (4) is arranged on the adjacent on described draining limit (52) and described fuel feeding limit (51) and described draining limit (52) oil-return groove (3) top when not offering described fuel feeding skewed slot (4) extends to draining limit (the 52 ') equal in length that the plunger body sidewall of plunger body (1) top cylindrical is constituted along drain pan (2).
3, fuel pump plunger according to claim 2, it is characterized in that: the straight line that axially parallels through the distal-most end (A) of described fuel feeding skewed slot (4) and the described drain pan of plunger body (1) top connecting place distance (2) and with described plunger body (1) stopping when not offering described fuel feeding skewed slot (4) intersects at point (D) on the plunger sidewall, described low side and the described point (D) that stops for limit (53) process described draining limits (52) for limit (53 ').
4, fuel pump plunger according to claim 3 is characterized in that: the diameter of described plunger body (1) is d, and the degree of depth of described fuel feeding skewed slot (4) is 0～d/4.
5, fuel pump plunger according to claim 3, it is characterized in that: described fuel feeding skewed slot (4) is h along the axial height of plunger body (1), and the distance between the top on described draining limit (52) and the described distal-most end (A) is greater than 2h, less than the diameter d of plunger body (1).
6, fuel pump plunger according to claim 3 is characterized in that: the angle between described fuel feeding skewed slot (4) and described plunger body (1) are axial is 30～85 °.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201519246U CN201412249Y (en) | 2009-05-04 | 2009-05-04 | In-line type fuel pump piston of diesel engine |
| PCT/CN2010/072428 WO2010127613A1 (en) | 2009-05-04 | 2010-05-04 | In-line fuel pump plunger for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201519246U CN201412249Y (en) | 2009-05-04 | 2009-05-04 | In-line type fuel pump piston of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201412249Y true CN201412249Y (en) | 2010-02-24 |
Family
ID=41714133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201519246U Expired - Fee Related CN201412249Y (en) | 2009-05-04 | 2009-05-04 | In-line type fuel pump piston of diesel engine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201412249Y (en) |
| WO (1) | WO2010127613A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010127613A1 (en) * | 2009-05-04 | 2010-11-11 | Hong Xuanmin | In-line fuel pump plunger for diesel engine |
| CN103912692A (en) * | 2014-03-11 | 2014-07-09 | 北京航空航天大学 | Hydraulic guide structure and rotary motor driving independently loaded multi-way valve with same |
| CN104948365A (en) * | 2015-07-04 | 2015-09-30 | 安徽洪福新型汽车科技有限公司 | In-line type fuel pump with variable pre-travel as well as accurately-controlled SCR (selective catalyst reduction) system of in-line type fuel pump |
| CN104976005A (en) * | 2015-07-18 | 2015-10-14 | 郑学明 | Diesel oil pump allowing oil supply angle to change along with oil supply quantity |
| CN106762604A (en) * | 2016-03-29 | 2017-05-31 | 韩光精工株式会社 | The fuel tank piston of fuel-injection pump |
| CN108223205A (en) * | 2016-10-15 | 2018-06-29 | 宋德伍 | High-pressure oil pump and the single cylinder diesel suitable for EGR exhaust recycling |
| CN108953023A (en) * | 2018-08-21 | 2018-12-07 | 湖南兴农机械有限公司 | A kind of diesel oil plunger and its working method and plunger matching parts |
| CN109736987A (en) * | 2019-01-17 | 2019-05-10 | 余姚市舒春机械有限公司 | A kind of plunger matching parts with cleaning function |
| CN110605618A (en) * | 2019-09-03 | 2019-12-24 | 无锡威孚马山油泵油嘴有限公司 | Processing technology of plunger grinding end face inclined starting groove |
| CN112761839A (en) * | 2021-01-28 | 2021-05-07 | 长江武汉航道工程局 | Plunger coupling piece of obtuse-angle oil groove of high-pressure oil pump |
| CN114962104A (en) * | 2022-06-11 | 2022-08-30 | 重庆潍柴发动机有限公司 | Method for realizing adjustable oil supply pretravel of diesel engine plunger oil pump |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387280A (en) * | 2017-09-12 | 2017-11-24 | 重庆潍柴发动机有限公司 | Injection pump and diesel engine |
| CN111102112A (en) * | 2019-12-31 | 2020-05-05 | 南岳电控（衡阳）工业技术股份有限公司 | Marine monoblock pump chamber internal pressure adjusting structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69424400T2 (en) * | 1993-12-28 | 2000-08-31 | Zexel Corp | Fuel injection pump |
| JP4189116B2 (en) * | 2000-06-21 | 2008-12-03 | ヤンマー株式会社 | Fuel injection pump injection timing control mechanism |
| DE10121465A1 (en) * | 2001-05-02 | 2002-11-07 | Deutz Ag | Fuel injection pump with stepped plunger has step grinding in which is machined control edge formed as ramp running out into step head |
| CN2547890Y (en) * | 2002-06-17 | 2003-04-30 | 刘瑞华 | High-pressure fuel injection pump plunger |
| CN2742173Y (en) * | 2004-11-17 | 2005-11-23 | 常柴股份有限公司 | Plunger for single cylinder diesel engine oil jet pump |
| WO2009016774A1 (en) * | 2007-07-27 | 2009-02-05 | Bosch Corporation | Fuel injection pump |
| CN201412249Y (en) * | 2009-05-04 | 2010-02-24 | 洪选民 | In-line type fuel pump piston of diesel engine |
-
2009
- 2009-05-04 CN CN2009201519246U patent/CN201412249Y/en not_active Expired - Fee Related
-
2010
- 2010-05-04 WO PCT/CN2010/072428 patent/WO2010127613A1/en active Application Filing
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010127613A1 (en) * | 2009-05-04 | 2010-11-11 | Hong Xuanmin | In-line fuel pump plunger for diesel engine |
| CN103912692A (en) * | 2014-03-11 | 2014-07-09 | 北京航空航天大学 | Hydraulic guide structure and rotary motor driving independently loaded multi-way valve with same |
| CN103912692B (en) * | 2014-03-11 | 2016-06-01 | 北京航空航天大学 | Hydraulic pilot structure and drive independent load multiway valve with the rotating machine of this structure |
| CN104948365A (en) * | 2015-07-04 | 2015-09-30 | 安徽洪福新型汽车科技有限公司 | In-line type fuel pump with variable pre-travel as well as accurately-controlled SCR (selective catalyst reduction) system of in-line type fuel pump |
| CN104976005A (en) * | 2015-07-18 | 2015-10-14 | 郑学明 | Diesel oil pump allowing oil supply angle to change along with oil supply quantity |
| CN106762604A (en) * | 2016-03-29 | 2017-05-31 | 韩光精工株式会社 | The fuel tank piston of fuel-injection pump |
| CN108223205A (en) * | 2016-10-15 | 2018-06-29 | 宋德伍 | High-pressure oil pump and the single cylinder diesel suitable for EGR exhaust recycling |
| CN108953023A (en) * | 2018-08-21 | 2018-12-07 | 湖南兴农机械有限公司 | A kind of diesel oil plunger and its working method and plunger matching parts |
| CN109736987A (en) * | 2019-01-17 | 2019-05-10 | 余姚市舒春机械有限公司 | A kind of plunger matching parts with cleaning function |
| CN110605618A (en) * | 2019-09-03 | 2019-12-24 | 无锡威孚马山油泵油嘴有限公司 | Processing technology of plunger grinding end face inclined starting groove |
| CN110605618B (en) * | 2019-09-03 | 2024-04-12 | 无锡威孚马山油泵油嘴有限公司 | Processing technology of plunger grinding end face inclined starting groove |
| CN112761839A (en) * | 2021-01-28 | 2021-05-07 | 长江武汉航道工程局 | Plunger coupling piece of obtuse-angle oil groove of high-pressure oil pump |
| CN112761839B (en) * | 2021-01-28 | 2021-11-23 | 长江武汉航道工程局 | Plunger coupling piece of obtuse-angle oil groove of high-pressure oil pump |
| CN114962104A (en) * | 2022-06-11 | 2022-08-30 | 重庆潍柴发动机有限公司 | Method for realizing adjustable oil supply pretravel of diesel engine plunger oil pump |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010127613A1 (en) | 2010-11-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BENGBU HONGFU NEW TYPE AUTOMOTIVE TECHNOLOGY RESEA Free format text: FORMER OWNER: HONG XUANMIN Effective date: 20131016 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 233100 CHUZHOU, ANHUI PROVINCE TO: 233000 BENGBU, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131016 Address after: 203, room 233000, building C, incubator center, Bengbu science and Technology Park, 7829 Mount Huangshan Road, Anhui, Bengbu Patentee after: Bengbu Hongfu Automobile Technology Development Co Ltd Address before: 233100 Fengyang East Honghu oil pump repair school of Huai Middle School of Anhui County Patentee before: Hong Xuanmin |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20180504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |