CN112763224A - Floating cylinder sleeve testing device - Google Patents
Floating cylinder sleeve testing device Download PDFInfo
- Publication number
- CN112763224A CN112763224A CN202011529396.0A CN202011529396A CN112763224A CN 112763224 A CN112763224 A CN 112763224A CN 202011529396 A CN202011529396 A CN 202011529396A CN 112763224 A CN112763224 A CN 112763224A
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- cylinder
- cylinder sleeve
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- crankcase
- oil
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- 238000012360 testing method Methods 0.000 title claims abstract description 65
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000005284 excitation Effects 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 48
- 239000010687 lubricating oil Substances 0.000 claims description 14
- 239000000498 cooling water Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 8
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 238000004880 explosion Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/042—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Testing Of Engines (AREA)
Abstract
The invention provides a floating cylinder sleeve test device which comprises an air inlet manifold, an exhaust manifold, a cylinder cover, a metal sealing ring, a cylinder body, a crankcase, a cylinder sleeve, a piston, an oil sprayer, an air regulator throttle valve, an air cylinder pressure sensor, an exhaust pressure sensor, an oil temperature sensor, a crankcase oil pressure indicator, a friction force measuring amplifier, an air flow sensor and a floating device. The floating cylinder sleeve test device provided by the invention provides a floating cylinder sleeve test bench capable of testing the explosion pressure of a single cylinder of an engine to be 15MPa, the test bench can meet the test requirements of all engine cylinder sleeves and piston rings below 15MPa, the gas pressure sealing problem of a floating cylinder sleeve test platform and the problem of axial force and excitation interference of the floating cylinder sleeve test platform are solved, and the floating cylinder sleeve test bench is simple in structure, reasonable in design and easy to popularize.
Description
Technical Field
The invention belongs to the technical field of floating cylinder sleeve testing, and particularly relates to a floating cylinder sleeve testing device.
Background
At present, the domestic floating cylinder sleeve piston ring test equipment can test engines with the explosion pressure in the cylinder below 10MPa to the maximum extent, most of the equipment is used for small gasoline engines, and a floating cylinder sleeve test platform capable of testing the high explosion pressure of 10-15MPa is basically blank in China; because of the increase of the explosion pressure in the cylinder, the axial force and the excitation caused by the movement of the piston in the cylinder are large, the gas temperature and the gas pressure in the cylinder are high, and the problem of sealing after the cylinder sleeve floats is difficult to solve. The test cost on the whole machine is high, and the arrangement of the test sensors is difficult.
Disclosure of Invention
In view of this, the present invention provides a floating cylinder liner testing apparatus to solve the deficiencies of the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a floating cylinder sleeve test device comprises an air inlet manifold, an exhaust manifold, a cylinder cover, a metal sealing ring, a cylinder body, a crankcase, a cylinder sleeve, a piston, an oil sprayer, an air regulator throttle valve, a cylinder pressure sensor, an exhaust pressure sensor, an oil temperature sensor, a crankcase oil pressure indication, a friction force measuring amplifier, an air flow sensor and a floater, wherein the cylinder body is of a hollow cylindrical structure with an annular boss on the inner wall, the top of the cylinder body is fixedly connected to the cylinder cover, the bottom of the cylinder body is fixedly connected to the crankcase, the cylinder sleeve is fixedly sleeved in the cylinder body, the outer wall of the cylinder sleeve is of a hollow cylindrical structure with an annular bulge, the floater is arranged between the annular bulge and the annular boss, the middle of the outer wall of the cylinder sleeve is sleeved with the floater, the friction force measuring amplifier, the top of the metal sealing ring is fixedly sleeved at the bottom of the inner side of the cylinder cover, the lower part inside the cylinder cover is movably sleeved to the piston, the bottom of the piston is connected to the inside of a crankcase through a crankshaft connecting rod, one side of the crankcase is fixedly provided with a crankcase oil pressure indicator, the other side of the crankcase is provided with an oil temperature sensor, the middle part of the cylinder cover is fixedly sleeved with an oil sprayer, one side of the cylinder cover is provided with an air inlet, the air inlet is fixedly communicated with an air inlet manifold, an air regulator throttle valve and an air flow sensor are fixedly arranged in the air inlet manifold, one side of the air inlet manifold is;
the floating cylinder sleeve testing device further comprises a controller, and the cylinder pressure sensor, the exhaust pressure sensor, the oil temperature sensor, the friction force measuring amplifier, the air flow sensor and the floating device are all in signal connection with the controller.
Furthermore, a cooling water jacket is further sleeved on the outer side of the cylinder body, and the cooling water jacket and the cylinder body form a ring cavity structure.
Further, the cylinder liner test device that floats still is equipped with the cooling and lubrication pipeline, and the cooling and lubrication pipeline includes cooling water pipeline, lubricating oil pipeline and No. two lubricating oil pipeline, and cooling water pipeline sets firmly inside annular cavity structure, and lubricating oil pipeline and No. two lubricating oil pipeline all are located inside the crankcase.
Furthermore, a damper used for controlling the resistance and the excitation interference of the test platform is further sleeved at the bottom of the cylinder sleeve.
Further, metal seal includes becket and O type circle, becket upside fixed connection to cylinder head, and the tang structure has been seted up to the becket downside, and O type circle is cup jointed in the tang structure outside, and tang structure activity cup joints to the cylinder liner inner wall.
Further, the controller is a PLC, and the model of the controller is S7-200.
Compared with the prior art, the floating cylinder sleeve testing device has the following advantages:
(1) the floating cylinder sleeve test device provided by the invention provides a floating cylinder sleeve test bench capable of testing the explosion pressure of a single cylinder of an engine to be 15MPa, the test bench can meet the test requirements of all engine cylinder sleeves and piston rings below 15MPa, the gas pressure sealing problem of a floating cylinder sleeve test platform and the problem of axial force and excitation interference of the floating cylinder sleeve test platform are solved, and the floating cylinder sleeve test bench is simple in structure, reasonable in design and easy to popularize.
(2) According to the floating cylinder sleeve testing device, the online measurement of the friction force of the power cylinder can be realized by using the cylinder pressure sensor, the exhaust pressure sensor, the oil temperature sensor, the crankcase oil pressure indication, the friction force measuring amplifier and the air flow sensor, and the device is convenient, rapid and convenient to operate.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a cross-sectional view of the overall structure of a floating cylinder liner testing device according to an embodiment of the invention.
Description of reference numerals:
1-oil temperature sensor; 2-a float; 3-a cylinder head; 4-a metal seal ring; 5-cylinder body; 6-a crankcase; 7-cylinder liner; 8-a piston; 9-oil injector; 10-a damper; 11-friction measuring amplifier; 12-cooling the lubrication pipe.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in figure 1, the floating cylinder sleeve test device comprises an air inlet manifold, an exhaust manifold, a cylinder cover 3, a metal sealing ring 4, a cylinder body 5, a crankcase 6, a cylinder sleeve 7, a piston 8, an oil injector 9, an air conditioner throttle valve, a cylinder pressure sensor, an exhaust pressure sensor, an oil temperature sensor 1, a crankcase oil pressure indication and friction force measuring amplifier 11, an air flow sensor and a floater 2, wherein the cylinder body 5 is of a hollow cylindrical structure, the inner wall of the cylinder body 5 is provided with an annular boss, the top of the cylinder body 5 is fixedly connected to the cylinder cover 3, the bottom of the cylinder body 5 is fixedly connected to the crankcase 6, the cylinder sleeve 7 is fixedly sleeved in the cylinder body 5, the cylinder sleeve 7 is of a hollow cylindrical structure, the outer wall of the cylinder sleeve is provided with an annular boss, the floater 2 is arranged between the annular boss and the outer wall of, the part of the top of the cylinder sleeve 7, which is higher than the cylinder body 5, is contacted with the bottom of the metal sealing ring 4, the top of the metal sealing ring 4 is fixedly sleeved at the bottom of the inner side of the cylinder cover 3, the lower part of the inner part of the cylinder sleeve 7 is movably sleeved on a piston 8, the bottom of the piston 8 is connected to the inner part of a crankcase 6 through a crankshaft connecting rod, a crankcase oil pressure indicator is fixedly arranged at one side of the crankcase 6, an oil temperature sensor 1 is arranged at the other side of the crankcase 6, the inner part of the crankcase oil pressure indicator is connected to a sensor in an oil tank through a circuit, the index of the oil tank is displayed on a display screen of the crankcase oil pressure indicator by the sensor in the oil tank, so that a worker can conveniently check the index of the oil tank in real time, the oil temperature sensor 1 is used for detecting, An air flow sensor, wherein a cylinder pressure sensor is fixedly installed on one side of an air inlet manifold, an air outlet is formed in the other side of a cylinder cover 3 and is fixedly communicated with the air outlet manifold, an exhaust pressure sensor is fixedly arranged in the exhaust manifold and is used for controlling air outlet quantity, an air regulator throttle valve 10 is used for controlling air inlet quantity, the cylinder pressure sensor is used for detecting air inlet quantity, a piston 8 is of a cylindrical structure, a first piston ring, a second piston ring and a third piston ring are sequentially sleeved on the outer wall of the piston 8 from top to bottom, the first piston ring and the third piston ring are oil rings which are used for scraping redundant engine oil on a cylinder and preventing the engine oil from flowing into the cylinder to burn, the second piston ring is an air ring which is used for ensuring the sealing between the piston and the cylinder and is used for sealing compressed air in a combustion chamber, and the first piston ring, the second piston, fuel gas leakage is prevented, and the performance of the engine is greatly influenced;
the floating cylinder sleeve testing device further comprises a controller, and the cylinder pressure sensor, the exhaust pressure sensor, the oil temperature sensor 1, the friction force measuring amplifier 11, the air flow sensor and the floating device 2 are all in signal connection with the controller.
The cylinder pressure sensor, the exhaust pressure sensor, the oil temperature sensor 1, the crankcase oil pressure indicator, the friction force measuring amplifier 11 and the air flow sensor form a testing system;
the floating cylinder sleeve test device also comprises a controller, the cylinder pressure sensor, the exhaust pressure sensor, the oil temperature sensor 1, the crankcase oil pressure indicator, the friction force measuring amplifier 11, the air flow sensor and the floater 2 are all in signal connection with the controller, the cylinder pressure sensor 11, the exhaust pressure sensor, the oil temperature sensor 1, the crankcase oil pressure indicator, the friction force measuring amplifier 11, the air flow sensor and the floater 2 are all in the prior art, the floating cylinder sleeve test device provides a floating cylinder sleeve test bench capable of testing the explosion pressure in a single cylinder of an engine to be 15MPa, the test bench can meet the test requirements of all engine cylinder sleeves and piston rings below 15MPa, the gas pressure sealing problem of the floating cylinder sleeve test platform and the problems of axial force and excitation interference of the floating cylinder sleeve test platform are solved, and simple structure, reasonable in design easily promotes.
The cooling water jacket is further sleeved on the outer side of the cylinder body 5, the cooling water jacket and the cylinder body 5 form an annular cavity structure, and the annular cavity structure is convenient for rapid cooling and heat dissipation of the cylinder body 5 in work in an all-round mode.
The cylinder liner test device that floats still is equipped with cooling and lubricating pipeline 12, and cooling and lubricating pipeline 12 includes cooling water piping, lubricating oil pipeline and No. two lubricating oil pipelines, and inside cooling water piping set firmly annular cavity structure, lubricating oil pipeline and No. two lubricating oil pipelines all were located crankcase 6, and lubricating oil pipeline and No. two lubricating oil pipelines can lubricate the part of 6 internal workings in crankcase to this test platform's life has been prolonged.
The bottom of the cylinder sleeve 7 is further sleeved with a damper 10 used for controlling resistance and excitation interference of a test platform, the damper 10 can be a mechanical guide rail type anti-damping guide rail during actual test, and therefore workers can install the mechanical guide rail type anti-damping guide rails on two sides of the cylinder sleeve 7 and can resist axial resistance and excitation.
Metal seal 4 includes becket and O type circle, becket upside fixed connection to cylinder head 3, and the tang structure has been seted up to the becket downside, and O type circle is cup jointed in the tang structure outside, and tang structure activity cup joints to 7 inner walls of cylinder liner, and when in actual use, the becket upside seals with 3 plane pressure of cylinder head, and 7 inner walls of cylinder liner are deepened to a becket downside design tang structure tang, and the tang outside is equipped with O type circle, utilizes gas pressure to realize sealed to the clearance, and pressure is sealed inseparabler more big.
The controller is a PLC, the model of the controller is S7-200, the model of the cylinder pressure sensor is CS1-U, the model of the exhaust pressure sensor is 0261230217, the model of the oil temperature sensor 1 is MIK-WZP, the model of the friction force measuring amplifier 11 is ATA100, the model of the air flow sensor is ZL01197400-2010, and the model of the floating device 2 is SCJ32X 25-25.
The working principle of the floating cylinder sleeve testing device is as follows:
when an actual simulation engine works, a worker places the floating cylinder sleeve test device at a designated position, the worker manually starts a controller, the controller respectively controls a test system and a floater 2 to start working, specifically, the controller respectively controls a cylinder pressure sensor, an exhaust pressure sensor, an oil temperature sensor 1, a friction force measuring amplifier 11 and an air flow sensor to start working, the floater 2 (which can be used as a driving source by a hydraulic oil cylinder) drives a cylinder sleeve 7 to float up and down in a cylinder body 5 (the floating distance can be determined according to the actual working condition), the cylinder sleeve 7 floats up and down to extrude a metal sealing ring 4, meanwhile, a piston 8 reciprocates in the cylinder sleeve 7 (oil in the cylinder sleeve 7 can be provided by an oil injector 9) under the driving of fuel oil in the cylinder sleeve 7 (the heat energy is converted into kinetic energy), and the piston 8 reciprocates to drive a crankshaft connecting rod to rotate, meanwhile, the cylinder pressure sensor, the exhaust pressure sensor, the oil temperature sensor 1, the crankcase oil pressure indication, the friction force measuring amplifier 11 and the air flow sensor respectively collect signals and transmit the signals to the controller so as to facilitate the real-time recording of the controller, and after each machine runs for a period of time (which can be determined according to actual working conditions), the controller controls the test system and the floating device 2 to stop working so as to facilitate the detection of the abrasion degree of each device;
specifically, assuming that both the floater 2 and the piston 8 move upwards, the hydraulic oil cylinder of the controller starts working, the hydraulic oil cylinder drives the floater 2 to move upwards, the floater 2 moves upwards to drive the cylinder sleeve 7 to move upwards, the cylinder sleeve 7 moves upwards to press the metal sealing ring 4 (so as to check the abrasion degree of the cylinder sleeve 7 and the metal sealing ring 4 later), meanwhile, the oil temperature sensor 1 detects the oil temperature and the oil pressure of an oil supply channel and transmits signals to the controller after the hydraulic oil cylinder works, the friction force measuring amplifier 11 tests the friction force between the floater 2 and the cylinder sleeve 7 and transmits the signals to the controller, meanwhile, the controller controls an external motor to start working, the driving piston 8 of fuel oil in the cylinder sleeve 7 moves upwards in the cylinder sleeve 7 (so as to simulate an engine to do work), when each machine runs for one working period (assuming that one working period is 20 hours), the controller controls the test system and the floating device 2 to stop working so as to detect the abrasion degree of each device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a floating cylinder liner test device which characterized in that: comprises an air inlet manifold, an exhaust manifold, a cylinder cover (3), a metal sealing ring (4), a cylinder body (5), a crankcase (6), a cylinder sleeve (7), a piston (8), an oil sprayer (9), an air regulator throttle valve, a cylinder pressure sensor, an exhaust pressure sensor, an oil temperature sensor (1), a crankcase oil pressure indicator, a friction force measuring amplifier (11), an air flow sensor and a floater (2), wherein the cylinder body (5) is of a hollow cylindrical structure with an annular boss on the inner wall, the top of the cylinder body (5) is fixedly connected to the cylinder cover (3), the bottom of the cylinder body is fixedly connected to the crankcase (6), the cylinder sleeve (7) is fixedly sleeved in the cylinder body (5), the cylinder sleeve (7) is of a hollow cylindrical structure with an annular boss on the outer wall, the floater (2) is arranged between the annular boss and the annular boss, and a friction force measuring amplifier (11) is fixedly arranged between the floater (12) and the cylinder sleeve (7), the part of the top of the cylinder sleeve (7) higher than the cylinder body (5) is contacted with the bottom of the metal sealing ring (4), the top of the metal sealing ring (4) is fixedly sleeved and connected to the bottom of the inner side of the cylinder cover (3), the lower part of the inner part of the cylinder sleeve (7) is movably sleeved and connected to a piston (8), the bottom of the piston (8) is connected to the inner part of a crankcase (6) through a crankshaft connecting rod, one side of the crankcase (6) is fixedly provided with a crankcase oil pressure indicator, the other side of the crankcase (6) is provided with an oil temperature sensor (1), the middle part of the cylinder cover (3) is fixedly sleeved and connected with an oil injector (9), one side of the cylinder cover (3) is, the other side of the cylinder cover (3) is provided with an air outlet which is fixedly communicated with an exhaust manifold, and an exhaust pressure sensor is fixedly arranged in the exhaust manifold;
the floating cylinder sleeve testing device further comprises a controller, and the cylinder pressure sensor, the exhaust pressure sensor, the oil temperature sensor (1), the friction force measuring amplifier (11), the air flow sensor and the floating device (2) are all in signal connection with the controller.
2. The floating cylinder liner testing device of claim 1, wherein: and a cooling water jacket is further sleeved on the outer side of the cylinder body (5), and the cooling water jacket and the cylinder body (5) form an annular cavity structure.
3. The floating cylinder liner testing device of claim 2, wherein: the floating cylinder sleeve testing device is further provided with a cooling and lubricating pipeline (12), the cooling and lubricating pipeline (12) comprises a cooling water pipeline, a lubricating oil pipeline and a second lubricating oil pipeline, the cooling water pipeline is fixedly arranged inside the annular cavity structure, and the first lubricating oil pipeline and the second lubricating oil pipeline are both located inside the crankcase (6).
4. The floating cylinder liner testing device of claim 1, wherein: and a damper (10) for controlling the resistance and excitation interference of the test platform is further sleeved at the bottom of the cylinder sleeve (7).
5. The floating cylinder liner testing device of claim 1, wherein: the metal sealing ring (4) comprises a metal ring and an O-shaped ring, the upper side of the metal ring is fixedly connected to the cylinder cover (3), a spigot structure is arranged on the lower side of the metal ring, the O-shaped ring is sleeved on the outer side of the spigot structure, and the spigot structure is movably sleeved on the inner wall of the cylinder sleeve (7).
6. The floating cylinder liner testing device of claim 1, wherein: the controller is a PLC, and the model number of the controller is S7-200.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011529396.0A CN112763224A (en) | 2020-12-22 | 2020-12-22 | Floating cylinder sleeve testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011529396.0A CN112763224A (en) | 2020-12-22 | 2020-12-22 | Floating cylinder sleeve testing device |
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| Publication Number | Publication Date |
|---|---|
| CN112763224A true CN112763224A (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011529396.0A Pending CN112763224A (en) | 2020-12-22 | 2020-12-22 | Floating cylinder sleeve testing device |
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| CN (1) | CN112763224A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH089400Y2 (en) * | 1988-08-08 | 1996-03-21 | いすゞ自動車株式会社 | Cylinder liner mounting structure |
| US20070245983A1 (en) * | 2006-04-11 | 2007-10-25 | Honda Motor Co., Ltd. | Crankcase of internal combustion engine |
| US20080017162A1 (en) * | 2006-07-24 | 2008-01-24 | Clever Glenn E | Surface treated compression ring and method of manufacture |
| CN102661823A (en) * | 2012-05-12 | 2012-09-12 | 中国兵器工业集团第七0研究所 | Cylinder sleeve piston ring group friction work test device |
| CN103293005A (en) * | 2013-05-31 | 2013-09-11 | 中国兵器工业集团第七0研究所 | Floating cylinder liner mechanism for friction test of cylinder liner and piston in ignition state |
| US20160356188A1 (en) * | 2015-06-08 | 2016-12-08 | Mazda Motor Corporation | Oil supply system for engine |
| CN106979838A (en) * | 2017-04-26 | 2017-07-25 | 安庆帝伯格茨活塞环有限公司 | A kind of fired state lower piston component and cylinder sleeve friction testing device |
| US20180017013A1 (en) * | 2016-07-15 | 2018-01-18 | Ford Global Technologies, Llc | Direct-injection, applied-ignition internal combustion engine with injection device arranged in the cylinder liner, and method for operating an internal combustion engine of said type |
| JP2019044670A (en) * | 2017-08-31 | 2019-03-22 | スズキ株式会社 | Exhaust emission control system for internal combustion engine |
-
2020
- 2020-12-22 CN CN202011529396.0A patent/CN112763224A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH089400Y2 (en) * | 1988-08-08 | 1996-03-21 | いすゞ自動車株式会社 | Cylinder liner mounting structure |
| US20070245983A1 (en) * | 2006-04-11 | 2007-10-25 | Honda Motor Co., Ltd. | Crankcase of internal combustion engine |
| US20080017162A1 (en) * | 2006-07-24 | 2008-01-24 | Clever Glenn E | Surface treated compression ring and method of manufacture |
| CN102661823A (en) * | 2012-05-12 | 2012-09-12 | 中国兵器工业集团第七0研究所 | Cylinder sleeve piston ring group friction work test device |
| CN103293005A (en) * | 2013-05-31 | 2013-09-11 | 中国兵器工业集团第七0研究所 | Floating cylinder liner mechanism for friction test of cylinder liner and piston in ignition state |
| US20160356188A1 (en) * | 2015-06-08 | 2016-12-08 | Mazda Motor Corporation | Oil supply system for engine |
| US20180017013A1 (en) * | 2016-07-15 | 2018-01-18 | Ford Global Technologies, Llc | Direct-injection, applied-ignition internal combustion engine with injection device arranged in the cylinder liner, and method for operating an internal combustion engine of said type |
| CN106979838A (en) * | 2017-04-26 | 2017-07-25 | 安庆帝伯格茨活塞环有限公司 | A kind of fired state lower piston component and cylinder sleeve friction testing device |
| JP2019044670A (en) * | 2017-08-31 | 2019-03-22 | スズキ株式会社 | Exhaust emission control system for internal combustion engine |
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Application publication date: 20210507 |