CN102012318A - Diesel engine oil test bed system - Google Patents
Diesel engine oil test bed system Download PDFInfo
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- CN102012318A CN102012318A CN 201010216462 CN201010216462A CN102012318A CN 102012318 A CN102012318 A CN 102012318A CN 201010216462 CN201010216462 CN 201010216462 CN 201010216462 A CN201010216462 A CN 201010216462A CN 102012318 A CN102012318 A CN 102012318A
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Abstract
The invention relates to a diesel engine test system, in particular to a diesel engine oil test bed system, which comprises a return oil filter tank, a cleaning oil tank, a cleaning oil pump, a first engine oil filter, a lubricating feedback pump, an engine oil filter, a heat exchanger, a secondary engine oil filter, a first engine oil inlet/outlet filter, a heating water pump, a diesel engine oil bottom shell and an engine oil preheating water tank. The diesel engine oil test bed system has favorable use effect, safety and reliability, is simple and convenient for operation and can meet the test requirement of the diesel engine, and the advancement of the automatic regulation property and the control technology, of the system, is worth of popularization and adoption.
Description
Technical field
The present invention relates to a kind of diesel-engine tester system, relate in particular to a kind of diesel engine lubricating oil experimental bench system.
Background technology
Because the high-power main line diesel engine of diesel locomotive of factory's development need be done the performance test of dispatching from the factory.Existing diesel is different with the structure that our factory originates in diesel engine, power is big, automaticity height, measuring technology advanced person are controlled in test, so also there is not to satisfy at present the special-purpose testing table of existing diesel, in order to satisfy the technical requirement of our factory's existing diesel testing machine oil system, need redesign to make a diesel engine test special engine oil system, to satisfy the delivery-inspection test needs of existing diesel.
Summary of the invention
The technical problem to be solved in the present invention is: the diesel engine structure is different, power big, automaticity height, measuring technology advanced person are controlled in test because existing diesel originates in our factory, in order to satisfy the technical requirement of existing diesel testing machine oil system, need redesign to make a diesel engine test special engine oil system, a kind of diesel-engine tester system is provided.
In order to overcome the defective that exists in the background technology, the technical solution adopted for the present invention to solve the technical problems is: comprise oil return filtering case, the cleaning fuel tank, the cleaning oil pump, primary oil filter, lubricating oil feeds back pump, oil filter, heat exchanger, filter thin oil, machine oil is imported and exported strainer filter, the preheating water pump, diesel engine oil pan and oil preheating water tank, delivery valve, fuel feeding valve, priming valve, circulation control valve, system's priming valve, electrical temperature is regulated control, the diesel engine lubricating oil oil-in, outer cooling water valve, steam valve, valve, fuel tap on the oil sump tank, the oil return operation valve, the cleaning fuel tank valve that oils, valve, the diesel engine lubricating oil oil-out, sump oil drain and oil return operation valve, open delivery valve, form toward cleaning fuel tank filling conduit; Open the fuel feeding valve of cleaning fuel tank connection, the priming valve that diesel engine oil pan connects, start the cleaning oil pump, form the pipeline that refuels in the past diesel engine oil pan; Open circulation control valve, system's priming valve, electrical temperature adjusting control, start the cleaning oil pump, form by diesel engine oil pan and import and export the diesel engine pre-lubrication pipeline of strainer filter to the diesel engine lubricating oil oil-in through oil filter, heat exchanger, filter thin oil and machine oil; Open outer cooling water valve, form toward oil preheating water tank filler pipe road; Close outer cooling water valve, open heat-riser valve and steam valve, start the preheating water pump, form the water preheat pipeline in the oil preheating water tank; Open circulation control valve, system's priming valve, electrical temperature adjusting control, start the cleaning oil pump, form the diesel engine oil system and begin the warm-up cycle lubricating pipe; Open valve, regulate the electrical temperature variable valve, start the cleaning oil pump, form diesel engine and open the machine pipeline automatically; Open fuel tap and oil return operation valve on the oil sump tank, start lubricating oil and feed back pump, filter, form the pipeline that the oil of diesel engine oil pan is extracted into back inlet box through primary oil filter; Open oil return operation valve and the cleaning fuel tank valve that oils, start lubricating oil and feed back pump, filter through primary oil filter, the oil that forms diesel engine oil pan is extracted into back the pipeline that cleans fuel tank; Open fuel tap on the oil sump tank, oil return operation valve and valve, start lubricating oil and feed back pump, filter, form the pipeline that the surplus oil in diesel engine lubricating oil oil-out and the diesel engine lubricating oil oil-in pipeline is extracted into back inlet box through primary oil filter; Open oil return operation valve and sump oil drain, start lubricating oil and feed back pump, form sump oil with diesel engine oil pan and be extracted into pipeline in the outdoor sump oil bucket that is connected with the sump oil drain; Open oil return operation valve and sump oil drain, start lubricating oil and feed back pump, form sump oil with oil return filtering case and be extracted into pipeline in the outdoor sump oil bucket that is connected with the sump oil drain; Open oil return operation valve and the cleaning fuel tank valve that oils, start lubricating oil and feed back pump, filter, form the pipeline that the oil of oil return filtering case is extracted into the cleaning fuel tank through primary oil filter; Open fuel tap on the oil sump tank, oil return operation valve, cleaning fuel tank fuel feeding valve and circulation control valve, start lubricating oil and feed back pump, the oil that formation will be cleaned fuel tank is extracted into the pipeline of oil return filtering case.
According to another embodiment of the invention, further comprise described valve, the adjusting electrical temperature variable valve opened, start the cleaning oil pump, form diesel engine and open in the machine pipeline junctor oil inlet pressure transducer, machine oil inlet temperature sensor, inlet flow rate sensor, machine oil outlet pressure sensor, machine oil outlet temperature sensor automatically and cool off water temperature sensor outward.
The invention has the beneficial effects as follows: result of use of the present invention is good, and is easy and simple to handle, safe and reliable, can satisfy the testing requirements of diesel engine, and the advance of automatic adjusting function of its system and control technology is worthy to be popularized and adopts.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention;
Wherein: 1, oil return filtering case, 2, the cleaning fuel tank, 3, the cleaning oil pump, 4, primary oil filter, 5, lubricating oil feeds back pump, 6, oil filter, 7, heat exchanger, 8, filter thin oil, 9, machine oil is imported and exported strainer filter, 10, the preheating water pump, 15, diesel engine oil pan, 11, the oil preheating water tank, 12, delivery valve, 13, fuel feeding valve, 14, priming valve, 16, circulation control valve, 17, system's priming valve, 18, electrical temperature is regulated control, 19, the diesel engine lubricating oil oil-in, 23, outer cooling water valve, 24, steam valve, 25, valve, 26, the machine oil inlet pressure sensor, 27, the machine oil inlet temperature sensor, 28, the inlet flow rate sensor, 29, the machine oil outlet pressure sensor, 30, the machine oil outlet temperature sensor, 31, outer cooling water temperature sensor, 32, fuel tap on the oil sump tank, 33, the oil return operation valve, 34, the cleaning fuel tank valve that oils, 35, valve, 36, valve, 37, the diesel engine lubricating oil oil-out, 38, the sump oil drain, 39, the oil return operation valve.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the synoptic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
A kind of diesel-engine tester system comprises oil return filtering case 1, cleaning fuel tank 2, cleaning oil pump 3, primary oil filter 4, lubricating oil feeds back pump 5, oil filter 6, heat exchanger 7, filter thin oil 8, machine oil is imported and exported strainer filter 9, preheating water pump 10, diesel engine oil pan 15, oil preheating water tank 11, delivery valve 12, fuel feeding valve 13, priming valve 14, circulation control valve 16, system's priming valve 17, electrical temperature is regulated control 18, diesel engine lubricating oil oil-in 19, outer cooling water valve 23, steam valve 24, valve 25, machine oil inlet pressure sensor 26, machine oil inlet temperature sensor 27, inlet flow rate sensor 28, machine oil outlet pressure sensor 29, machine oil outlet temperature sensor 30, outer cooling water temperature sensor 31, fuel tap 32 on the oil sump tank, oil return operation valve 33, the cleaning fuel tank valve 34 that oils,, valve 35, valve 36, diesel engine lubricating oil oil-out 37, sump oil drain 38, oil return operation valve 39 these parts are formed.
Fig. 1 is a structural representation of the present invention, comprise oil return filtering case 1 among the figure, cleaning fuel tank 2, cleaning oil pump 3, primary oil filter 4, lubricating oil feeds back pump 5, oil filter 6, heat exchanger 7, filter thin oil 8, machine oil is imported and exported strainer filter 9, preheating water pump 10, diesel engine oil pan 15 and oil preheating water tank 11, delivery valve 12, fuel feeding valve 13, priming valve 14, circulation control valve 16, system's priming valve 17, electrical temperature is regulated control 18, diesel engine lubricating oil oil-in 19, outer cooling water valve 23, steam valve 24, valve 25, fuel tap 32 on the oil sump tank, oil return operation valve 33, the cleaning fuel tank valve 34 that oils, valve 35,36, diesel engine lubricating oil oil-out 37, sump oil drain 38 and oil return operation valve 39, open delivery valve 12, form toward cleaning fuel tank 2 filling conduits; Open the fuel feeding valve 13 of cleaning fuel tank 2 connections, the priming valve 14 that diesel engine oil pan 15 connects, start cleaning oil pump 3, form the pipelines that refuel in the past diesel engine oil pan 15; Open circulation control valve 16, system's priming valve 17, electrical temperature adjusting control 18, start cleaning oil pump 3, form by diesel engine oil pan 15 and import and export the diesel engine pre-lubrication pipeline of strainer filter 9 to diesel engine lubricating oil oil-in 19 through oil filter 6, heat exchanger 7, filter thin oil 8 and machine oil; Open outer cooling water valve 23, form toward oil preheating water tank 11 filler pipe roads; Close outer cooling water valve 23, open heat-riser valve 20,21,22 and steam valve 24, start preheating water pump 10, form the water preheat pipeline in the oil preheating water tank 11; Open circulation control valve 16, system's priming valve 17, electrical temperature adjusting control 18, start cleaning oil pump 3, form the diesel engine oil system and begin the warm-up cycle lubricating pipe; Open valve 25, regulate electrical temperature variable valve 18, start cleaning oil pump 3, form diesel engine and open the machine pipeline automatically; Described valve 25, the adjusting electrical temperature variable valve 18 opened, start cleaning oil pump 3, form diesel engine and open in the machine pipeline junctor oil inlet pressure transducer 26, machine oil inlet temperature sensor 27, inlet flow rate sensor 28, machine oil outlet pressure sensor 29, machine oil outlet temperature sensor 30 automatically and cool off water temperature sensor 31 outward; Open fuel tap 32 and oil return operation valve 33 on the oil sump tank, start lubricating oil and feed back pump 5, filter, form the pipeline that the oil of diesel engine oil pan 15 is extracted into back inlet box 1 through primary oil filter 4; Open oil return operation valve 33 and the cleaning fuel tank valve 34 that oils, start lubricating oil and feed back pump 5, filter through primary oil filter 4, the oil that forms diesel engine oil pan 15 is extracted into back the pipeline that cleans fuel tank 2; Open fuel tap 32 on the oil sump tank, oil return operation valve 33 and valve 35,36, start lubricating oil and feed back pump 5, filter, form the pipeline that the surplus oil in diesel engine lubricating oil oil-out 37 and diesel engine lubricating oil oil-in 19 pipelines is extracted into oil return filtering case 1 through primary oil filter 4; Open oil return operation valve 33 and sump oil drain 38, start lubricating oil and feed back pump 5, form sump oil with diesel engine oil pan 15 and be extracted into pipeline in the outdoor sump oil bucket that is connected with sump oil drain 38; Open oil return operation valve 39 and sump oil drain 38, start lubricating oil and feed back pump 5, form sump oil with oil return filtering case 1 and be extracted into pipeline in the outdoor sump oil bucket that is connected with sump oil drain 38; Open oil return operation valve 39 and the cleaning fuel tank valve 34 that oils, start lubricating oil and feed back pump 5, filter, form the pipeline that the oil of oil return filtering case 1 is extracted into cleaning fuel tank 2 through primary oil filter 4; Open fuel tap 32 on the oil sump tank, oil return operation valve 33, cleaning fuel tank fuel feeding valve 13 and circulation control valve 16, start lubricating oil and feed back pump 5, the oil that formation will be cleaned fuel tank 2 is extracted into the pipeline of oil return filtering case 1.
A kind of diesel-engine tester system work process comprises:
The first step: cleaning fuel tank 2 refuels.Open delivery valve 12, form, in cleaning fuel tank 2, fill it up with oil, close delivery valve 12 toward cleaning fuel tank 2 filling conduits.
Second step: in diesel engine oil pan 15, refuel.Open the fuel feeding valve 13 of cleaning fuel tank 2 connections, the priming valve 14 that diesel engine oil pan 15 connects, start cleaning oil pump 3, form the pipelines that refuel in the past diesel engine oil pan 15, fill it up with oil, close fuel feeding valve 13, priming valve 14 until diesel engine oil pan 15.
The 3rd step: diesel engine pre-lubrication.Open circulation control valve 16, system's priming valve 17, electrical temperature adjusting control 18, start cleaning oil pump 3, formation is imported and exported the diesel engine pre-lubrication pipeline of strainer filter 9 to diesel engine lubricating oil oil-in 19 by diesel engine oil pan 15 through oil filter 6, heat exchanger 7, filter thin oil 8 and machine oil, and this moment, the diesel engine oil system began circulation lubrication.
The 4th step: diesel engine lubricating oil warm-up cycle.Cooling water valve 23 outside in forming diesel engine lubricating oil warm-up cycle pipeline process, at first opening, form toward oil preheating water tank 11 filler pipe roads, water in oil preheating water tank 11 is filled it up with, close outer cooling water valve 23, open heat-riser valve 20,21,22 and steam valve 24, start preheating water pump 10, formation is with the water preheat pipeline in the oil preheating water tank 11, be enough to satisfy preheating machine oil working temperature (the machine oil working temperature: 5 ℃ of diesel engines can play machine when water temperature reaches uniform temperature, could load during 60 ℃ of diesel engines, test each operating mode diesel engine oil-feed temperature control at 80 ± 1 ℃.Adopt the temperature of temperature control valve 14 regulating and controlling import oil.74-91 ℃ of diesel engine import temperature exports oily temperature 83-102 ℃); Open circulation control valve 16, system's priming valve 17 and electrical temperature then and regulate control 18, start cleaning oil pump 3, form the diesel engine oil system and begin the warm-up cycle lubricating pipe.
The 5th step: after having satisfied the machine condition, the diesel engine running enters working cycle, beginning diesel engine process of the test.Open valve 25, regulate electrical temperature variable valve 18, start cleaning oil pump 3, form diesel engine and open the machine pipeline automatically; Automatically open junctor oil inlet pressure transducer 26 in the machine pipeline at diesel engine, machine oil inlet temperature sensor 27, inlet flow rate sensor 28, machine oil outlet pressure sensor 29, machine oil outlet temperature sensor 30 and outer cooling water temperature sensor 31, these machine oil inlet pressure sensors 26, machine oil inlet temperature sensor 27, inlet flow rate sensor 28, machine oil outlet pressure sensor 29, machine oil outlet temperature sensor 30 and outer cooling water temperature sensor 31 feed back to control desk with data, according to the temperature under each operating mode, pressure, testing requirementss such as flow, the action of adjusting control valve door.
The 6th step: after diesel engine test is finished, need tear diesel engine open before, the oil of diesel engine oil pan 15 is drawn back in the inlet box 1.Open fuel tap 32 and oil return operation valve 33 on the oil sump tank, start lubricating oil and feed back pump 5, filter, form the pipeline that the oil of diesel engine oil pan 15 is extracted into back inlet box 1 through primary oil filter 4.
The 7th step: after diesel engine test is finished, need tear diesel engine open before, the oil of diesel engine oil pan 15 is drawn back cleaning fuel tank 2.Open oil return operation valve 33 and the cleaning fuel tank valve 34 that oils, start lubricating oil and feed back pump 5, filter through primary oil filter 4, the oil that forms diesel engine oil pan 15 is extracted into back the pipeline that cleans fuel tank 2.
The 8th step: after diesel engine test is finished, tear diesel engine open before, the surplus oil in diesel engine oil out port 37 and diesel engine oil-feed interface 19 pipelines is drawn back in the inlet box 1.Open fuel tap 32 on the oil sump tank, oil return operation valve 33 and valve 35,36, start lubricating oil and feed back pump 5, filter through primary oil filter 4, the surplus oil in diesel engine lubricating oil oil-out 37 and diesel engine lubricating oil oil-in 19 pipelines is extracted in the oil return filtering case 1.
The 9th step: the sump oil of diesel engine oil pan 15 is extracted in the outdoor sump oil bucket.Open oil return operation valve 33 and sump oil drain 38, start lubricating oil and feed back pump 5, the outdoor sump oil bucket that sump oil drain 38 connects, the sump oil of diesel engine oil pan 15 is extracted in the outdoor sump oil bucket that is connected with sump oil drain 38.
The tenth step: the sump oil of oil return filtering case 1 is extracted in the outdoor sump oil bucket.Open oil return operation valve 39 and sump oil drain 38, start lubricating oil and feed back pump 5, the outdoor sump oil bucket that sump oil drain 38 connects, the sump oil of oil return filtering case 1 is extracted in the outdoor sump oil bucket that is connected with sump oil drain 38.
The 11 step: the oily post precipitation of oil return filtering case is extracted in the cleaning fuel tank 2.Open oil return operation valve 39 and the cleaning fuel tank valve 34 that oils, start lubricating oil and feed back pump 5, filter through primary oil filter 4, the oil of oil return filtering case 1 is pumped in the cleaning fuel tank 2.
The 12 step: the oil that will clean fuel tank 2 is extracted in the oil return filtering case 1.Open fuel tap 32 on the oil sump tank, oil return operation valve 33, cleaning fuel tank fuel feeding valve 13 and circulation control valve 16, start lubricating oil and feed back pump 5, the oil of cleaning fuel tank 2 is pumped in the oil return filtering case 1.
After test was finished, all connecting lines of dismounting diesel engine were pulled out the diesel engine instruction carriage and are gone out testing laboratory.
Claims (2)
1. diesel engine lubricating oil experimental bench system, it is characterized in that: comprise oil return filtering case (1), cleaning fuel tank (2), cleaning oil pump (3), primary oil filter (4), lubricating oil feeds back pump (5), oil filter (6), heat exchanger (7), filter thin oil (8), machine oil is imported and exported strainer filter (9), preheating water pump (10), diesel engine oil pan (15) and oil preheating water tank (11), delivery valve (12), fuel feeding valve (13), priming valve (14), circulation control valve (16), system's priming valve (17), electrical temperature is regulated control (18), diesel engine lubricating oil oil-in (19), outer cooling water valve (23), steam valve (24), valve (25), fuel tap on the oil sump tank (32), oil return operation valve (33), the cleaning fuel tank valve (34) that oils, valve (35,36), diesel engine lubricating oil oil-out (37), sump oil drain (38) and oil return operation valve (39), open delivery valve (12), form toward cleaning fuel tank (2) filling conduit; Open the fuel feeding valve (13) of cleaning fuel tank (2) connection, the priming valve (14) that diesel engine oil pan (15) connects, start cleaning oil pump (3), form the pipeline that refuels in the past diesel engine oil pan (15); Open circulation control valve (16), system's priming valve (17), electrical temperature adjusting control (18), start cleaning oil pump (3), form by diesel engine oil pan (15) and import and export the diesel engine pre-lubrication pipeline of strainer filter (9) to diesel engine lubricating oil oil-in (19) through oil filter (6), heat exchanger (7), filter thin oil (8) and machine oil; Open outer cooling water valve (23), form toward oil preheating water tank (11) filler pipe road; Close outer cooling water valve (23), open heat-riser valve (20), (21), (22) and steam valve (24), start preheating water pump (10), form the water preheat pipeline in the oil preheating water tank (11); Open circulation control valve (16), system's priming valve (17), electrical temperature adjusting control (18), start cleaning oil pump (3), form the diesel engine oil system and begin the warm-up cycle lubricating pipe; Open valve (25), regulate electrical temperature variable valve (18), start cleaning oil pump (3), form diesel engine and open the machine pipeline automatically; Open fuel tap on the oil sump tank (32) and oil return operation valve (33), start lubricating oil and feed back pump (5), filter, form the pipeline that the oil of diesel engine oil pan (15) is extracted into go back to inlet box (1) through primary oil filter (4); Open oil return operation valve (33) and the cleaning fuel tank valve (34) that oils, start lubricating oil and feed back pump (5), filter through primary oil filter (4), the oil that forms diesel engine oil pan (15) is extracted into back the pipeline that cleans fuel tank (2); Open fuel tap on the oil sump tank (32), oil return operation valve (33) and valve (35,36), start lubricating oil and feed back pump (5), filter through primary oil filter (4), form the pipeline that the surplus oil in diesel engine lubricating oil oil-out (37) and diesel engine lubricating oil oil-in (19) pipeline is extracted into go back to inlet box (1); Open oil return operation valve (33) and sump oil drain (38), start lubricating oil and feed back pump (5), form the pipeline in the outdoor sump oil bucket that sump oil is extracted into sump oil drain (38) is connected of diesel engine oil pan (15); Open oil return operation valve (39) and sump oil drain (38), start lubricating oil and feed back pump (5), form the pipeline in the outdoor sump oil bucket that sump oil is extracted into sump oil drain (38) is connected of oil return filtering case (1); Open oil return operation valve (39) and the cleaning fuel tank valve (34) that oils, start lubricating oil and feed back pump (5), filter, form the pipeline that the oil of oil return filtering case (1) is extracted into cleaning fuel tank (2) through primary oil filter (4); Open fuel tap on the oil sump tank (32), oil return operation valve (33), cleaning fuel tank fuel feeding valve (13) and circulation control valve (16), start lubricating oil feedback pump (5), the oil that formation will be cleaned fuel tank (2) is extracted into the pipeline of oil return filtering case (1).
2. diesel engine lubricating oil experimental bench system as claimed in claim 1, it is characterized in that: described valve (25), the adjusting electrical temperature variable valve (18) opened, start cleaning oil pump (3), form diesel engine and open junctor oil inlet pressure transducer (26) in the machine pipeline, machine oil inlet temperature sensor (27), inlet flow rate sensor (28), machine oil outlet pressure sensor (29), machine oil outlet temperature sensor (30) and outer cooling water temperature sensor (31) automatically.
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| CN2010102164629A CN102012318B (en) | 2010-07-05 | 2010-07-05 | Diesel engine oil test bed system |
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| CN2010102164629A CN102012318B (en) | 2010-07-05 | 2010-07-05 | Diesel engine oil test bed system |
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| CN102012318B CN102012318B (en) | 2012-06-27 |
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| CN102819276A (en) * | 2011-11-30 | 2012-12-12 | 凯迈(洛阳)机电有限公司 | Constant temperature device of engine oil |
| CN103134675A (en) * | 2013-02-06 | 2013-06-05 | 珠海保税区摩天宇航空发动机维修有限公司 | Testing device of engine bearing oil nozzle |
| CN103196023A (en) * | 2013-04-02 | 2013-07-10 | 福建永强力加动力设备有限公司 | Circulating oil supply system suitable for line production |
| CN103412582A (en) * | 2013-07-05 | 2013-11-27 | 中国煤炭科工集团太原研究院 | Engine oil temperature control circulation system of explosion-proof diesel engine performance test platform |
| CN104793663A (en) * | 2015-04-13 | 2015-07-22 | 成都诚邦动力测试仪器有限公司 | Engine oil constant-temperature automatic control system based on logic gate control |
| CN104898732A (en) * | 2015-04-13 | 2015-09-09 | 成都诚邦动力测试仪器有限公司 | Engine oil constant temperature automatic control system with over-voltage protection function |
| CN104898733A (en) * | 2015-04-13 | 2015-09-09 | 成都诚邦动力测试仪器有限公司 | Automatic engine oil temperature control system |
| CN105334062A (en) * | 2015-11-04 | 2016-02-17 | 中国北方发动机研究所(天津) | Multi-cylinder diesel engine lab machine oil system |
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| CN108168895A (en) * | 2017-12-20 | 2018-06-15 | 江西腾勒动力有限公司 | Engine lubrication system oil pressure loses experimental rig and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102819276A (en) * | 2011-11-30 | 2012-12-12 | 凯迈(洛阳)机电有限公司 | Constant temperature device of engine oil |
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| CN103134675A (en) * | 2013-02-06 | 2013-06-05 | 珠海保税区摩天宇航空发动机维修有限公司 | Testing device of engine bearing oil nozzle |
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| CN103412582A (en) * | 2013-07-05 | 2013-11-27 | 中国煤炭科工集团太原研究院 | Engine oil temperature control circulation system of explosion-proof diesel engine performance test platform |
| CN104793663B (en) * | 2015-04-13 | 2017-03-22 | 江苏合海集团股份有限公司 | Engine oil constant-temperature automatic control system based on logic gate control |
| CN104898733A (en) * | 2015-04-13 | 2015-09-09 | 成都诚邦动力测试仪器有限公司 | Automatic engine oil temperature control system |
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Address after: Yanling road 213011 Jiangsu city of Changzhou province No. 358 Patentee after: Qishuyan Zhongche Locomotive Co. Ltd. Address before: Yanling road 213011 Jiangsu city of Changzhou province No. 358 Patentee before: CHINA NANCHE GROUP QISHUYAN LOCOMOTIVE VEHICLE Co., Ltd. |