CN202886106U - Submarine large-power diesel engine overland test device - Google Patents
Submarine large-power diesel engine overland test device Download PDFInfo
- Publication number
- CN202886106U CN202886106U CN 201120514651 CN201120514651U CN202886106U CN 202886106 U CN202886106 U CN 202886106U CN 201120514651 CN201120514651 CN 201120514651 CN 201120514651 U CN201120514651 U CN 201120514651U CN 202886106 U CN202886106 U CN 202886106U
- Authority
- CN
- China
- Prior art keywords
- valve
- diesel engine
- exhaust
- tank
- submarine
- 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
Links
Images
Abstract
Currently, there are two kinds of diesel engine test devices and methods. One kind of the test devices and methods aims at land-based diesel engines in an atmospheric environment. In this case, the gas inlet pressure and the exhaust pressure are both the atmospheric pressure. The other kind of test devices and methods aims at land-based diesel engines in a high-altitude environment. The above-mentioned two kinds of test devices and methods fail to achieve submarine large-power diesel engine tests simulating an underwater working environment on the land. In order to overcome the defect that the current diesel engine test devices and methods fail to simulate the underwater working environment of a submarine large-power diesel engine, the utility model provides a submarine large-power diesel engine overland test device and a method thereof. The test device mainly comprises a diesel engine base, a cooling system, a lubrication system, a starting system, a fuel oil system, and a gas inlet and outlet system, etc. The device and the method can not only achieve tests of the submarine large-power diesel engine in the underwater working environment and performance tests thereof but also realize underwater environment simulation, tests and performance tests of the submarine large-power diesel engine on the land.
Description
Technical field
The utility model relates to a kind of latent with high-power diesel engine shore-front-trials device, is applied to realize by land dive with high-power diesel engine underwater environment simulation waterborne, test, performance test.
Background technology
At present, diesel engine testing device and method mainly contain two kinds: a kind of is for the test unit under the stationary diesel engine atmospheric environment and method, and its air inlet and discharge pressure are atmospheric pressure; The second is for test unit and the method for stationary diesel engine under altitude environment, the method is that diesel engine is placed in the adjustable pressurized capsule of pressure, reduce when the cabin internal pressure realizes diesel engine intake and discharge pressure and reduce, and then the diesel engine test under the realization altitude environment.And subm arine engine is usually operated at the snorkel state, and at this moment, diesel engine intake pressure is lower than atmospheric pressure, and discharge pressure is higher than atmospheric pressure.Above-mentioned two kinds of test units and method all can not realize diving with high-power diesel engine environmental simulation, test, performance test by land.
Summary of the invention
Can not simulate the deficiency of diving with high-power diesel engine underwater operation environment for overcoming the existing diesel test unit, it is a kind of latent with high-power diesel engine shore-front-trials device that the utility model provides, this utility model can not only realize latent with test and performance test under the high-power diesel engine aquatic work environment, and can realize by land diving with the simulation of high-power diesel engine underwater environment, test and performance test.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of test unit that is applicable to dive with high-power diesel engine, it is characterized in that: it comprises gas handling system, exhaust system, described gas handling system comprises the intake vacuum variable valve, the pressurizer tank of heater strip is housed, described exhaust system comprises header tank, the exhaust outer baffle, electric exhausting fluctuation back pressure regulating valve, the exhaust back pressure variable valve, exhaust box, pressurizer tank one end that heater strip is housed is connected air intake opening and is connected with diesel engine, the air inlet entrance of described pressurizer tank communicates by butterfly valve and ambient atmosphere, and butterfly valve opening can be regulated control inlet port circulation area; Diesel Engine Exhaust Pipe is connected with described header tank, described header tank passes through to connect the exhaust outer baffle behind the exhaust branch stop valve, the pipeline two ends that described exhaust branch's stop valve and exhaust outer baffle consist of also are connected with bypass line, be connected with another exhaust branch stop valve on the described bypass line, described exhaust outer baffle connects electric exhausting fluctuation back pressure regulating valve, exhaust back pressure variable valve, exhaust box successively until the turbine outlet.
By above scheme, in described pressurizer tank, arrange heating arrangement, realize the stability of intake air temperature simulation and assurance analog temperature.
Overall realization principle of the present utility model is: diesel engine and hydraulic dynamometer are installed on the pedestal of steel frame formation, realize the fixing of diesel engine and hydraulic dynamometer; Hydraulic dynamometer is connected with the diesel engine power output shaft by spring coupling, as the weight adjustment device of diesel engine; Cooling tower, water tank of voltage regulation are connected with diesel engine band sea water pump, oil cooler, fresh-water cooler, gas outlet cooling jacket, hydraulic dynamometer with valve by pipeline, realize cooling and the hydraulic dynamometer inlet water pressure of diesel engine fresh water, lubricating oil, gas outlet stable; Lubricating oil tank, electric sliding oil pump, filter cleaner are pressed into pump, oil cooler, lubricating oil drawing pump by valve and pipeline and diesel engine lubricating oil and are connected, and realize extracting out to Feed Pump Set of Diesel Engines, with the oily pumpback fuel oil leakage tank of diesel engine crankcase, with the oil in the Oil Tank and the oil of outer container is imported the functions such as Oil Tank; Electric air compressor, gas cylinder are connected to main starting valve and the reduction valve of diesel engine by pipeline and valve, realize jiggering and the startup of diesel engine; Fuel oil service tank, pitcher pump, filter cleaner are connected to the diesel engine fuel oil discharge pump by pipeline and valve, realize the diesel engine fuel oil supply; The air inlet pressure stabilizing chamber that heater strip is housed is connected air intake opening and is connected with diesel engine, pressurizer tank air inlet entrance is equipped with butterfly valve, by butterfly valve control air inlet entrance actual internal area, and then make the certain vacuum tightness of generation in the pressurizer tank, simulate the admission pressure of working environment under the diesel engine water with this; By the heater strip in the pressurizer tank, inlet air heating to temperature required, is simulated intake air temperature under the diesel engine water with this; Header tank, exhaust back pressure variable valve, fluctuation back pressure regulating valve, exhaust outer baffle, bypass line, exhaust box are connected with the turbine outlet, by regulating exhaust back pressure variable valve and control fluctuation back pressure regulating valve so that produce certain frequency and a certain size pressure surge in the gas outlet, the variation of the caused exhaust back pressure of wave when simulating duty under the diesel engine water with this.
The beneficial effects of the utility model are, both can realize diving test and performance test with under the high-power diesel engine aquatic work environment, and test and performance test with high-power diesel engine underwater operation environment can realize again diving.
Description of drawings
Fig. 1 is diesel engine testing device cooling system schematic diagram;
Among Fig. 1,1-the 1st electric-control stop valve, 2-the 1st cooling tower, 3-the 2nd electric-control stop valve, 4-the 2nd cooling tower, 5-the 1st valve, 6-the 2nd valve, 7-water tank of voltage regulation, the 8-Liquid level scale, 9-expansion tank, 10-overflow pipe, 11-water filling port, the 12-exhaust system, l3-fresh water pump, 14-the 3rd valve, 15-retaining valve, 16-the 1st flowmeter, 17-the 4th valve, 18-the 5th valve, 19-the 6th valve, the 20-fresh-water cooler, 21-the 7th valve, 22-the 8th valve, 23-flowmeter, 24-the 9th valve, 25-sea water pump, 26-machine band pump, the 27-air in, 28-air cooler, 29-air out, the 30-dynamometer, 31-overflow pipe, 32-return pipe, the import of 33-lubricating oil, 34-oil cooler, the outlet of 35-lubricating oil, 36-the 10th valve, 37-the 11st valve, 38-machine room suction pump, 39-the 1st retaining valve, 40-submersible pump, 41-underground tank.
Fig. 2 is diesel engine testing device lubricating system schematic diagram;
Among Fig. 2,42-the 12nd valve, 43-the 1st safety valve, 44-the 2nd flowmeter, 45-the 13rd valve, 46-the 14th valve, 47-oil tank, 48-the 15th valve, 49-drain tap (connecing oil filter), 50-the 16th valve, the 51-oil pump, 52-the 17th valve, 53-the 2nd retaining valve, 54-the 18th valve, 55-the 1st fine filter, 56-strainer filter, 57-the 19th valve, 58-the 20th valve, 59-the 21st valve, the 60-pouring orifice, 61-machine band pump, 62-diesel engine, 63-oil return filter cleaner, 64-the 3rd flowmeter, 65-the 22nd valve, the 66-drain tap, 67-the 23rd valve, 68-cooling water inlet, the 69-oil cooler, 70-the 24th valve, 71-coolant outlet.
Fig. 3 is diesel engine testing device start-up system schematic diagram;
Among Fig. 3,72-air compressor machine, 73-pressure switch (3MPa), 74-the 25th valve, 75-the 26th valve, 76-the 27th valve, 77-the 28th valve, 78-the 1st gas cylinder, 79-the 29th valve, 80-the 30th valve, 81-the 31st valve, 82-the 32nd valve, 83-the 33rd valve, 84-the 2nd gas cylinder.
Fig. 4 is diesel engine testing device fuel system schematic diagram;
Among Fig. 4,85-the 1st constant pressure valve, 86-fuel injector, 87-the 34th valve, 88-the 2nd fine filter, 89-machine band pump, 90-fuel tank, 91-the 35th valve, 92-the 36th valve, 93-fuel consumption meter, 94-the 37th valve, 95-the 38th valve, 96-the 39th valve, 97-the 40th valve, 98-the 41st valve, 99-the 42nd valve, the 100-manual pump, 101-electrodynamic pump, 102-the 43rd valve.
Fig. 5 is diesel engine testing device air inlet system and exhaust system schematic diagrams;
Among Fig. 5,103-header tank, 104-the 1st exhaust branch shutoff valve, 105-the 2nd exhaust branch shutoff valve, the outer gear of 106-exhaust is pulled, 107-electric exhausting fluctuation back pressure regulating valve, 108-exhaust back pressure variable valve, the 109-sound suppressor, 110-electric emergency parking air is judged valve, the 111-voltage stabilizer, 112-vacuum simulator, 113-intake vacuum variable valve, 114-the 4th flowmeter, 115-ambient atmosphere entrance, the 116-exhausr port.
Embodiment
Below in conjunction with drawings and embodiments the utility model is further specified.
In Fig. 1, cooling system is divided into two parts: internal cooling system and outer cooling system.Internal cooling system refers to cooling system of fresh water, and the fresh water circulation is: diesel engine cylinder cover → thermosistor → fresh-water cooler → machine band fresh water pump → diesel-engine body → diesel engine cylinder cover.By thermosistor and fresh-water cooler 20 actings in conjunction, cooling water temperature is kept within the specific limits.Expansion tank 9 is used for the steam in compensation fresh water damage (FWD), the surplus of holding the fresh water expanded by heating and the delivery system.The main peripherals of internal cooling system is expansion tank 9 and fresh-water cooler 20.The diesel engine rear electronic fresh water pump that stops in emergency is forced cooling for system provides.Outer cooling system refers to salt water cooling system (this test platform replaces seawater with fresh water), and the seawater circulation is: pipeline → water tank of voltage regulation 7 → machine band sea water pump 25 → air cooler 28 → oil cooler 34 → fresh-water cooler 20 → exhaust system 12 → underground tank 41 that underground tank 41 → the 1st cooling tower 2 and the 2nd cooling tower 4 consist of.Hydraulic dynamometer 30 water consumptions are provided by water tank of voltage regulation 7, and backwater is to underground tank 41.The flow of machine room suction pump group should be greater than sea water pump, and has certain lift, to guarantee the underground tank stable level.Establish level switch at underground tank, machine room suction pump group is started working when water level is higher than a certain water level, and machine room suction pump group quits work when water level is lower than a certain water level.
In Fig. 2, the electric sliding oil pump has following five kinds of dutys:
(a) lubricating oil of Oil Tank is called in diesel engine: open the 15th valve 48, the 20th valve 58, the 17th valve 52, the 18th valve 54, the 24 valves 70, the 23rd valve 67, the 21st valve 59, the 12nd valve 42, the 16th valve 50, the 22nd valve 65.The lubricating oil flow path is: lubricating oil tank → the 15th valve 48 → the 20th valve 58 → electric sliding oil pump → the 17th valve 52 → retaining valve → strainer filter 56 → fine filter 55 → the 18th valve 54 → diesel engine 62.Transfer complete the 20th valve 58 of closing of oil.
(b) before the startup, diesel engine lubricating oil self-loopa after stopping: open the 23rd valve 67, the 17th valve 52, the 18th valve 54, close the 20th valve 58, the 21st valve 59, the 16th valve 50, the 12nd valve 42, the 22nd valve 65.The lubricating oil flow path is: diesel engine oil pan → the 23rd valve 67 → electric sliding oil pump → the 17th valve 52 → retaining valve 53 → strainer filter 56 → fine filter 55 → the 18th valve 54 → diesel engines 62.
(c) with lubricating oil pumpback in the oil sump to lubricating oil tank: open the 23rd valve 67, the 12nd valve 42, close the 20th valve 58, the 17th valve 52, the 21st valve 59, the 16th valve 50, the 22nd valve 65.The lubricating oil flow path is: oil sump → the 23rd valve 67 → electric sliding oil pump → the 12nd valve 42 → lubricating oil tank.
(d) lubricating oil tank draining: open the 15th valve 48, the 20th valve 58, the 16th valve 50, close the 24th valve 70, the 23rd valve 67, the 17th valve 52, the 12nd valve 42, the 21st valve 59, the 22nd valve 65.The lubricating oil flow path is: lubricating oil tank → the 15th valve 48 → the 20th valve 58 → electric sliding oil pump → the 16th valve 50 → drain tap 66.
(e) to the lubricating oil tank oiling: open the 21st valve 59, the 12nd valve 42, close the 20th valve 58, the 23rd valve 67, the 24th valve 70, the 17th valve 52, the 23rd valve 67, the 16th valve 50, the 22nd valve 65, the lubricating oil flow path is: pouring orifice → the 21st valve 59 → electric sliding oil pump → the 12nd valve 42 → lubricating oil tank.
System work process is as follows during the diesel engine normal operation: the electrodynamic pump system quits work, the 13rd valve 45, the 18th valve 54, the 24th valve 70 (or the 23rd valve 67), the 15th valve 48, the 17th valve 52, the 23rd valve 67 places open the position, the 20th valve 58, the 21st valve 59, the 16th valve 50, the 12nd valve 42, the 22nd valve 65 place's off-positions.The lubricating oil flow path is: lubricating oil tank → the 13rd valve 45 → be pressed into pump → strainer filter 56 → fine filter 55 → the 18th valve 54 → diesel engine 62 → diesel engine oil pan → drawing pump → return oil filter 63 → the 2nd flowmeter 44 → the 23rd valve 67, oil cooler 69 → the 24th valve 70) → the 15th valve 48 → lubricating oil tank, be pressed into pump discharge pressure when too high lubricating oil through safety valve I pressure release to lubricating oil tank.
In Fig. 3, air compressor machine 72 is gas cylinder 78 and gas cylinder 84 inflations by the 25th valve 74 and the 29th valve 79 simultaneously, and pressure switch 73 is according to the switch of storage pressure control air compressor machine 72.Pressure-air is delivered to respectively diesel engine jiggering air pipe line (connecing the 1st constant pressure valve 85) and is started air pipe line (connecing fuel injector 86) through the 28th valve 73, the 33rd valve 83 and the 30th valve 80, realizes jiggering and the startup of diesel engine.
In Fig. 4, utilize manual pump 100 that the air of fuel manifold the inside is drained; Utilize electrodynamic pump 101 with the fuel oil in the storage tank through the 43rd valve 102 suction daytanks; Open the 36th valve 92, the 37th valve 94, the 38th valve 95, the 41st valve 98, close the 39th valve 96, the 40th valve 97, the 42nd valve 99, measure engine fuel consumption thereby fuel oil enters diesel engine through fuel consumption meter, machine band fuel pump; Open the 36th valve 92, the 39th valve 96, the 41st valve 98, close the 37th valve 94, the 38th valve 95, the 40th valve 97, the 42nd valve 99, fuel oil directly enters diesel engine without fuel consumption meter.
In Fig. 5, a kind of test unit that is applicable to dive with high-power diesel engine of the utility model embodiment, it comprises gas handling system, exhaust system, described gas handling system comprises intake vacuum variable valve 113, the pressurizer tank 111 of heater strip is housed, described exhaust system comprises header tank 103, exhaust outer baffle 106, electric exhausting fluctuation back pressure regulating valve 107, exhaust back pressure variable valve 108, exhaust box 109, pressurizer tank 111 1 ends that heater strip is housed are connected air intake opening and are connected with diesel engine, the air inlet entrance of described pressurizer tank 111 communicates by butterfly valve and ambient atmosphere, and butterfly valve opening can be regulated control inlet port circulation area; Diesel Engine Exhaust Pipe is connected with described header tank 103, described header tank 103 is by the second exhaust branch stop valve 105 rear connection exhaust outer baffles 106, described the 2nd exhaust branch stop valve 105 also is connected with bypass line with the pipeline two ends that exhaust outer baffle 106 consists of, be connected with the 1st exhaust branch stop valve 104 on the described bypass line, described exhaust outer baffle connects electric exhausting fluctuation back pressure regulating valve 107, exhaust back pressure variable valve 108, exhaust box 109 successively until the turbine outlet.
Open when the 1st exhaust branch shutoff valve 104, electric exhausting fluctuation back pressure regulating valve 107, exhaust back pressure variable valve 108, the 2nd exhaust branch shutoff valve 105 is closed, and exhaust directly enters atmosphere through header tank 103, sound suppressor 109.This moment diesel engine air inlet environment and exhaust environment be atmospheric condition, without back pressure also without vacuum tightness.Regulate diesel engine intake vacuum tightness variable valve 113, make the gaseous tension in the air inlet pressure stabilizing chamber 111 reach setting value, the simulation intake vacuum.Regulating electric exhaust fluctuation back pressure regulating valve 107 and exhaust back pressure variable valve 108 are simulated the fluctuation of high exhaust back pressure and exhaust back pressure to setting value.Be provided with electric heater in air inlet pressure stabilizing chamber 111, can realize the heating to air inlet, it adds thermal capacity and improves 20 ℃ of designs by temperature rise under the full load diesel engine air consumption.When the simulation intake air temperature heats with electric heater, stable for making gas flow temperature, the electric gas stirrer is housed in the pressurizer tank 111.
Claims (2)
1. one kind is applicable to latent test unit with high-power diesel engine, it is characterized in that: it comprises gas handling system, exhaust system, described gas handling system comprises the intake vacuum variable valve, the pressurizer tank of heater strip is housed, described exhaust system comprises header tank, exhaust outer baffle, electric exhausting fluctuation back pressure regulating valve, exhaust back pressure variable valve, exhaust box, pressurizer tank one end that heater strip is housed is connected air intake opening and is connected with diesel engine, the air inlet entrance of described pressurizer tank communicates by butterfly valve and ambient atmosphere, and butterfly valve opening can be regulated control inlet port circulation area; Diesel Engine Exhaust Pipe is connected with described header tank, described header tank passes through to connect the exhaust outer baffle behind the exhaust branch stop valve, the pipeline two ends that described exhaust branch's stop valve and exhaust outer baffle consist of also are connected with bypass line, be connected with another exhaust branch stop valve on the described bypass line, described exhaust outer baffle connects electric exhausting fluctuation back pressure regulating valve, exhaust back pressure variable valve, exhaust box successively until the turbine outlet.
2. the test unit that is applicable to dive with high-power diesel engine according to claim 1 is characterized in that: arrange heating arrangement in described pressurizer tank, realize the stability of intake air temperature simulation and assurance analog temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120514651 CN202886106U (en) | 2011-12-12 | 2011-12-12 | Submarine large-power diesel engine overland test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120514651 CN202886106U (en) | 2011-12-12 | 2011-12-12 | Submarine large-power diesel engine overland test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886106U true CN202886106U (en) | 2013-04-17 |
Family
ID=48077520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120514651 Expired - Fee Related CN202886106U (en) | 2011-12-12 | 2011-12-12 | Submarine large-power diesel engine overland test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202886106U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014647A (en) * | 2016-07-05 | 2016-10-12 | 中科合肥微小型燃气轮机研究院有限责任公司 | Novel dynamometer circulating cooling water system |
| CN108827639A (en) * | 2018-06-14 | 2018-11-16 | 河南柴油机重工有限责任公司 | Diesel Engine Complete Machine test-bed sea water service system experimental rig |
| CN109813552A (en) * | 2019-02-15 | 2019-05-28 | 广西玉柴机器股份有限公司 | Engine radiating capability evaluation test method |
| CN109915267A (en) * | 2019-03-29 | 2019-06-21 | 潍柴动力股份有限公司 | A kind of switching method, device and the electronic controlled diesel of electronic controlled diesel operational mode |
| CN110530605A (en) * | 2019-08-23 | 2019-12-03 | 南京理工大学 | A kind of submarine navigation device exhaust experimental provision |
| CN110567724A (en) * | 2019-10-10 | 2019-12-13 | 河南柴油机重工有限责任公司 | Engine exhaust anti-reverse-watering test device |
| CN110595787A (en) * | 2019-09-30 | 2019-12-20 | 河南柴油机重工有限责任公司 | Automatic fluctuation regulation control method for exhaust back pressure of diesel engine |
-
2011
- 2011-12-12 CN CN 201120514651 patent/CN202886106U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014647A (en) * | 2016-07-05 | 2016-10-12 | 中科合肥微小型燃气轮机研究院有限责任公司 | Novel dynamometer circulating cooling water system |
| CN106014647B (en) * | 2016-07-05 | 2017-11-03 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of dynamometer recirculating cooling water system |
| CN108827639A (en) * | 2018-06-14 | 2018-11-16 | 河南柴油机重工有限责任公司 | Diesel Engine Complete Machine test-bed sea water service system experimental rig |
| CN108827639B (en) * | 2018-06-14 | 2023-12-15 | 河南柴油机重工有限责任公司 | Seawater system test device for whole diesel engine test bench |
| CN109813552A (en) * | 2019-02-15 | 2019-05-28 | 广西玉柴机器股份有限公司 | Engine radiating capability evaluation test method |
| CN109915267A (en) * | 2019-03-29 | 2019-06-21 | 潍柴动力股份有限公司 | A kind of switching method, device and the electronic controlled diesel of electronic controlled diesel operational mode |
| CN109915267B (en) * | 2019-03-29 | 2021-10-29 | 潍柴动力股份有限公司 | Method and device for switching operation modes of electric control diesel engine and electric control diesel engine |
| CN110530605A (en) * | 2019-08-23 | 2019-12-03 | 南京理工大学 | A kind of submarine navigation device exhaust experimental provision |
| CN110530605B (en) * | 2019-08-23 | 2021-07-13 | 南京理工大学 | Underwater vehicle exhaust experimental device |
| CN110595787A (en) * | 2019-09-30 | 2019-12-20 | 河南柴油机重工有限责任公司 | Automatic fluctuation regulation control method for exhaust back pressure of diesel engine |
| CN110567724A (en) * | 2019-10-10 | 2019-12-13 | 河南柴油机重工有限责任公司 | Engine exhaust anti-reverse-watering test device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202886106U (en) | Submarine large-power diesel engine overland test device | |
| CN101672729B (en) | High-altitude and low-pressure characteristic simulation test station of air compressor in internal-combustion engine | |
| CN104634578B (en) | Aviation turbocharging internal-combustion engines full ambient engine altitude test system and test method | |
| CN101587027B (en) | System for testing heat-transfer performance of gas-water-oil heat interchanger | |
| CN101832861B (en) | Submarine environment condition simulating device for diesel engine | |
| CN208672312U (en) | The low-temp low-pressure experimental cabin of simulated altitude | |
| CN106285917B (en) | A kind of diesel engine starting auxiliary system and method suitable for high altitude localities | |
| CN102221467B (en) | High-altitude simulation testing system for piston engine | |
| CN103575540A (en) | High-altitude simulation test device of engine-driven pressure system | |
| CN105115720B (en) | Bi-turbo property test platform with gases at high pressure part flow arrangement | |
| CN1180234C (en) | Internal combustion engine performance low-pressure simulating test stage | |
| CN203688224U (en) | Engine driven air pressure system high altitude simulation tester | |
| CN201600244U (en) | Simulation device used for determining car performance at high altitude | |
| CN203732276U (en) | Cold-hot shock testing system meeting Cummins SLT2 standard | |
| CN102252162A (en) | Natural gas engine hot water circulating gas supply device for ship | |
| CN108344575A (en) | A kind of test device for fuel battery engines | |
| CN202194719U (en) | Automatic draining device for condensed water of intercooler | |
| CN206107532U (en) | Natural gas transmission system of LNG power driving vessel | |
| CN212296681U (en) | High-pressure fuel oil common rail system | |
| CN206409296U (en) | A kind of host high-temperature cooling system of fresh water | |
| CN210396844U (en) | Engine oil temperature adjusting device | |
| CN206845351U (en) | Gas engine air inlet temperature control system | |
| CN204961061U (en) | Special heat transfer device of internal -combustion engine | |
| CN202485907U (en) | Oil test pipe-line system eliminating oil leakage in accessory dismounting in test | |
| CN209343904U (en) | A kind of maritime transformer station transformer fresh water cooled integrated equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20131212 |