CN114483538A - Diesel locomotive air compressor capable of preventing engine oil from emulsifying - Google Patents
Diesel locomotive air compressor capable of preventing engine oil from emulsifying Download PDFInfo
- Publication number
- CN114483538A CN114483538A CN202210014520.2A CN202210014520A CN114483538A CN 114483538 A CN114483538 A CN 114483538A CN 202210014520 A CN202210014520 A CN 202210014520A CN 114483538 A CN114483538 A CN 114483538A
- Authority
- CN
- China
- Prior art keywords
- shell
- compression
- driving assembly
- air compressor
- oil
- 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.)
- Granted
Links
- 239000010705 motor oil Substances 0.000 title claims abstract description 37
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 19
- 230000001804 emulsifying effect Effects 0.000 title description 10
- 238000007906 compression Methods 0.000 claims abstract description 58
- 230000006835 compression Effects 0.000 claims abstract description 55
- 238000004945 emulsification Methods 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 10
- 239000011324 bead Substances 0.000 description 3
- 239000010721 machine oil Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C5/00—Locomotives or motor railcars with IC engines or gas turbines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention relates to an internal combustion locomotive air compressor for preventing engine oil emulsification, which comprises a compression cylinder and a driving assembly, wherein the compression cylinder is arranged above the driving assembly and comprises a compression shell and a compression rod, the compression shell is arranged above the driving assembly, the compression rod is arranged at the inner side of the compression shell, the compression shell comprises an evaporator and a deformation shell, the deformation shell is arranged above the driving assembly, the evaporator is sleeved at the outer sides of the driving assembly and the deformation shell, and in a working state, the compression rod slides compressed air back and forth within the deformable shell, causing the compression shell to generate a large amount of heat, the heat on the surface of the compression shell is conducted to the driving component through the evaporator, the engine oil in the driving component is heated, water drops in the engine oil are evaporated, thereby accomplishing the oil-water separation and solving the problem that the prior air compressor easily causes the emulsification of the engine oil.
Description
Technical Field
The invention relates to the technical field of air compressors, in particular to an internal combustion locomotive air compressor capable of preventing engine oil from emulsifying.
Background
The existing air compressor is easy to cause engine oil emulsification, in the process of compressing air, steam in the air enters the engine oil along with the operation of the mechanism to be cooled and condensed into water drops and is in contact with the engine oil, so that the engine oil emulsification is caused, the maintenance period of the air compressor is finally shortened, and the maintenance cost is increased.
Disclosure of Invention
The invention aims to provide an internal combustion locomotive air compressor capable of preventing engine oil from emulsifying, and solves the problem that the engine oil of the existing air compressor is easy to emulsify.
In order to achieve the purpose, the invention provides an internal combustion locomotive air compressor for preventing engine oil emulsification, which comprises a compression cylinder and a driving assembly, wherein the compression cylinder is arranged above the driving assembly and is fixedly connected with the driving assembly; the compression shell includes evaporimeter and deformation shell, the deformation shell set up in drive assembly's top, and with drive assembly fixed connection, the evaporimeter cover is in drive assembly with the outside of deformation shell, and respectively with drive assembly with deformation shell fixed connection.
Under the operating condition, the compression pole is in make a round trip to slide compressed air in the shell that warp can lead to the compression shell produces a large amount of heats, through the evaporimeter is with the heat conduction on compression shell surface extremely drive assembly heats machine oil among the drive assembly makes the water droplet in the machine oil evaporate to accomplish water oil separating, solved current air compressor and caused the problem of machine oil emulsification easily.
Wherein, the evaporimeter includes heat pipe and oil pump, the oil pump set up in one side of drive assembly, and with drive assembly fixed connection, the heat pipe cover is in drive assembly with the outside of the shell that warp, and respectively with the shell that warp with drive assembly fixed connection, just the heat pipe with the oil pump intercommunication.
The heat conduction oil is filled in the heat conduction pipe, and the heat conduction oil is driven by the oil pump to circularly flow in the heat conduction pipe.
The deformation shell comprises a shell and a sliding liner, the shell is arranged above the driving assembly and fixedly connected with the driving assembly, and the sliding liner is arranged on the inner side of the shell and slidably connected with the shell.
The top of the sliding container is provided with a spring, the sliding container slides upwards along the casing when being compressed in a working state, and the sliding container slides downwards through the spring after gas is discharged.
The compression rod comprises a piston and a connecting rod, the piston is arranged on the inner side of the sliding container and is in sliding connection with the sliding container, the connecting rod is arranged below the piston and is in hinged connection with the piston, and the connecting rod is in rotary connection with the driving assembly.
The driving component drives the piston to slide up and down on the inner side of the sliding container through the connecting rod, and compresses and discharges gas on the inner side of the sliding container.
Wherein, drive assembly includes batch oil tank and axis of rotation, the batch oil tank set up in the below of deformation shell, and with deformation shell fixed connection, the axis of rotation set up in the inboard of batch oil tank, and with batch oil tank swivelling joint, just the axis of rotation with compression pole swivelling joint.
The rotating shaft is driven by the motor to rotate on the inner side of the oil storage tank, and the rotating shaft drives the piston to slide on the inner side of the sliding liner through the connecting rod, so that gas is compressed.
Wherein, the axis of rotation has pivot and spliced pole, the spliced pole set up in the inboard of batch oil tank, just the spliced pole with compression pole swivelling joint, the pivot symmetry set up in the both sides bottom of spliced pole, the pivot runs through the lateral wall of batch oil tank, and with batch oil tank swivelling joint.
The motor passes through the pivot drives the spliced pole with the axial lead of pivot is rotatory as the axle, the spliced pole passes through the connecting rod drives the piston slides from top to bottom, is close to simultaneously the oil pump the pivot can be connected with the oil pump, and then the drive oil pump rotates.
According to the diesel locomotive air compressor capable of preventing engine oil emulsification, disclosed by the invention, in a working state, the compression rod slides back and forth in the deformation shell to compress air, so that the compression shell generates a large amount of heat, the heat on the surface of the compression shell is transferred to the driving assembly through the evaporator, the engine oil in the driving assembly is heated, water drops in the engine oil are evaporated, the oil-water separation is further completed, and the problem that the engine oil emulsification is easily caused by the conventional air compressor is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic axial view of an internal combustion locomotive air compressor for preventing engine oil from emulsifying according to the present invention.
FIG. 2 is a schematic top view of an internal combustion locomotive air compressor for preventing engine oil from emulsifying according to the present invention.
FIG. 3 is a schematic side view of an internal combustion locomotive air compressor for preventing engine oil from emulsifying according to the present invention.
FIG. 4 is a schematic sectional view of an air compressor of an internal combustion locomotive for preventing engine oil from emulsifying according to the present invention.
FIG. 5 is a partially enlarged schematic view of a front cross-sectional structure of an internal combustion locomotive air compressor for preventing engine oil from emulsifying provided by the invention.
1-compression cylinder, 2-drive component, 3-compression shell, 4-compression rod, 5-oil storage tank, 6-rotation shaft, 7-evaporator, 8-deformation shell, 9-connecting rod, 10-piston, 11-rotation shaft, 12-connecting column, 13-heat conducting pipe, 14-oil pump, 15-casing, 16-sliding liner, 17-sealing strip, 18-air inlet, 19-through hole, 20-exhaust groove, 21-inflation groove, 22-air outlet, 23-exhaust passage and 24-thermal expansion block.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1 to 5, the diesel locomotive air compressor for preventing engine oil from emulsifying provided by the invention comprises a compression cylinder 1 and a driving assembly 2, wherein the compression cylinder 1 is arranged above the driving assembly 2 and is fixedly connected with the driving assembly 2, the compression cylinder 1 comprises a compression shell 3 and a compression rod 4, the compression shell 3 is arranged above the driving assembly 2 and is fixedly connected with the driving assembly 2, the compression rod 4 is arranged on the inner side of the compression shell 3 and is slidably connected with the compression shell 3, and the compression rod 4 is rotatably connected with the driving assembly 2. Compression shell 3 includes evaporimeter 7 and deformation shell 8, deformation shell 8 set up in drive assembly 2's top, and with drive assembly 2 fixed connection, evaporimeter 7 cover is in drive assembly 2 with the outside of deformation shell 8, and respectively with drive assembly 2 with deformation shell 8 fixed connection.
In the present embodiment, the engine oil is stored inside the driving assembly 2, when the compression cylinder 1 is in an operating state, the compression rod 4 slides back and forth in the deformation shell 8 to compress air, which causes the compression shell 3 to generate a large amount of heat, the evaporator 7 transfers the heat on the surface of the compression shell 3 to the driving assembly 2, the engine oil in the driving assembly 2 is heated, water drops in the engine oil are evaporated, oil-water separation is completed, and the problem that the engine oil is easily emulsified in the conventional air compressor is solved.
The evaporator 7 comprises a heat conduction pipe 13 and an oil pump 14, the oil pump 14 is arranged on one side of the driving component 2 and is fixedly connected with the driving component 2, the heat conduction pipe 13 is sleeved on the outer sides of the driving component 2 and the deformation shell 8 and is respectively fixedly connected with the deformation shell 8 and the driving component 2, and the heat conduction pipe 13 is communicated with the oil pump 14;
the deformation shell 8 comprises a casing 15 and a sliding liner 16, the casing 15 is arranged above the driving assembly 2 and fixedly connected with the driving assembly 2, and the sliding liner 16 is arranged on the inner side of the casing 15 and slidably connected with the casing 15;
the casing 15 is provided with a sealing strip 17 and an air inlet 18, the air inlet 18 is arranged on the inner side of the side wall of the casing 15, the air inlet 18 is matched with the sliding liner 16, and the sealing strip 17 is arranged on one side of the casing 15 far away from the air inlet 18 and penetrates through the side wall of the casing 15;
the sealing strip 17 is provided with an air outlet hole 22, an air exhaust channel 23 and a thermal expansion block 24, the air outlet hole 22 is arranged on the side surface of the sealing strip 17 and penetrates through the sealing strip 17, the air exhaust channel 23 is arranged on the inner side of the sealing strip 17, the air exhaust channel 23 is arranged below the air outlet hole 22, the air exhaust channel 23 is communicated with the air outlet hole 22, the air outlet hole 22 and the air exhaust channel 23 are both matched with the sliding liner 16, and the thermal expansion block 24 is arranged at the bottom of the sealing strip 17;
the sliding liner 16 is provided with a through hole 19, an exhaust groove 20 and an inflation groove 21, the through hole 19 is symmetrically arranged on two sides of the sliding liner 16 and penetrates through the side wall of the sliding liner 16, the inflation groove 21 is arranged on one side, close to the air inlet 18, of the sliding liner 16 and is matched with the air inlet 18, the inflation groove 21 is arranged below the air inlet 18, the exhaust groove 20 is arranged on one side, far away from the inflation groove 21, of the sliding liner 16, the exhaust groove 20 is arranged on the inner side of the sliding liner 16, and the exhaust groove 20 is matched with the exhaust passage 23;
the compression rod 4 comprises a piston 10 and a connecting rod 9, the piston 10 is arranged on the inner side of the sliding liner 16 and is in sliding connection with the sliding liner 16, the connecting rod 9 is arranged below the piston 10 and is in hinged connection with the piston 10, and the connecting rod 9 is in rotating connection with the driving assembly 2.
In this embodiment, engine oil is stored inside the driving assembly 2, the air inlet 18 and the sealing strip 17 are both externally connected with a one-way air valve, a spring is disposed on the top of the sliding liner 16, heat conducting oil is filled inside the heat conducting pipe 13, in a working state, the driving assembly 2 drives the piston 10 to be located inside the sliding liner 16 through the connecting rod 9, and in a vertical sliding manner, the air inside the deformation shell 8 is compressed, when air is compressed, air pressure above the piston 10 rises, the working temperature of the air rises due to the piston 10, a small amount of high-pressure air passes through a gap between the piston 10 and the sliding liner 16 and enters the driving assembly 2, and the high-temperature air contacts with the low-temperature engine oil inside the driving assembly 2, so that water vapor in the air is cooled and condensed into water beads, and if the water beads cannot be separated from the engine oil in time, under long-time stirring, the engine oil and water beads are combined to be emulsified, so that when preheating is started, the one-way air valve is opened, the air outlet 22 and the air inlet 18 are communicated with the adjacent through holes 19, air passes through the through holes 19 from the air inlet 18 and enters the sliding liner 16, when the piston 10 slides upwards, the air directly passes through the through holes 19 and is discharged from the air outlet, at the moment, the piston 10 does not work on the air, the air pressure above the piston 10 is kept stable, the one-way air valve is closed after preheating is finished, heat generated by friction between the sliding liner 16 and the piston 10 is transferred to the surface of the casing 15, the heat expansion block 24 is heated and expanded to jack up the sealing strip 17, so that the air outlet 22 and the through holes 19 are staggered, meanwhile, the oil pump 14 drives heat conduction oil to circulate in the heat conduction pipe 13, and the heat on the surface of the casing 15 is conducted to the driving component 2 through the heat conduction oil, heating the engine oil to evaporate water drops in the engine oil into water vapor, then when the piston 10 slides downwards, the air inlet 18 is communicated with the adjacent through hole 19, the inflation groove 21 is staggered with the air inlet 18, the exhaust groove 20 is communicated with the exhaust passage 23, the air pressure above the piston 10 is reduced, air is sucked in, meanwhile, the air pressure below the piston 10 is increased, the air in the driving assembly 2 is connected with the water vapor and passes through the exhaust groove 20 and is exhausted from the air outlet 22 through the exhaust passage 23, when the piston 10 slides upwards, the air pressure above the piston 10 is increased, the piston 10 is driven to slide upwards, the air inlet 18 is staggered with the through hole 19, the air outlet 22 is communicated with the through hole 19, the inflation groove 21 is communicated with the air inlet 18, and the air inside the sliding liner 16 is exhausted from the air outlet 22, at the same time, the air pressure below the piston 10 is reduced, and air enters the driving assembly 2 from the air inlet 18 along the air charging slot 21, so that the driving assembly 2 is ventilated.
Axis of rotation 6 has pivot 11 and spliced pole 12, spliced pole 12 set up in the inboard of batch oil tank 5, just spliced pole 12 with 4 swivelling joint of compression pole, pivot 11 symmetry set up in the both sides bottom of spliced pole 12, pivot 11 runs through the lateral wall of batch oil tank 5, and with 5 swivelling joint of batch oil tank.
In this embodiment, the external motor of axis of rotation 6, the motor passes through spliced pole 12 one side the drive of pivot 11 spliced pole 12 with the axial lead of pivot 11 is rotatory as the axle, spliced pole 12 passes through connecting rod 9 drives piston 10 slides from top to bottom, thereby it is right the inboard air of slip courage 16 compresses, is close to simultaneously oil pump 14 pivot 11 can be connected with oil pump 14, and then makes the motor drive oil pump 14 rotates when axis of rotation 6 is rotatory.
Claims (6)
1. The diesel locomotive air compressor capable of preventing engine oil emulsification is characterized by comprising a compression cylinder and a driving assembly, wherein the compression cylinder is arranged above the driving assembly and fixedly connected with the driving assembly, the compression cylinder comprises a compression shell and a compression rod, the compression shell is arranged above the driving assembly and fixedly connected with the driving assembly, the compression rod is arranged on the inner side of the compression shell and slidably connected with the compression shell, and the compression rod is rotatably connected with the driving assembly; the compression shell includes evaporimeter and deformation shell, the deformation shell set up in drive assembly's top, and with drive assembly fixed connection, the evaporimeter cover is in drive assembly with the outside of deformation shell, and respectively with drive assembly with deformation shell fixed connection.
2. The diesel locomotive air compressor for preventing engine oil emulsification as claimed in claim 1, wherein the evaporator comprises a heat pipe and an oil pump, the oil pump is disposed at one side of the driving assembly and fixedly connected with the driving assembly, the heat pipe is sleeved at the outer sides of the driving assembly and the deformation shell and fixedly connected with the deformation shell and the driving assembly respectively, and the heat pipe is communicated with the oil pump.
3. The diesel locomotive air compressor for preventing the oil emulsification as recited in claim 2, wherein said deformable shell comprises a shell and a sliding bladder, said shell is disposed above said driving assembly and is fixedly connected with said driving assembly, said sliding bladder is disposed inside said shell and is slidably connected with said shell.
4. The diesel locomotive air compressor of claim 3, wherein the compression rod comprises a piston and a connecting rod, the piston is disposed inside the sliding bladder and slidably connected with the sliding bladder, the connecting rod is disposed below the piston and hingedly connected with the piston, and the connecting rod is rotatably connected with the driving assembly.
5. The diesel locomotive air compressor of claim 1, wherein the driving assembly comprises an oil storage tank and a rotating shaft, the oil storage tank is disposed below the deformation shell and fixedly connected with the deformation shell, the rotating shaft is disposed inside the oil storage tank and rotatably connected with the oil storage tank, and the rotating shaft is rotatably connected with the compression rod.
6. The diesel locomotive air compressor for preventing the engine oil from being emulsified according to claim 5, wherein the rotating shaft has a rotating shaft and a connecting column, the connecting column is disposed inside the oil storage tank and is rotatably connected with the compression rod, the rotating shaft is symmetrically disposed at the bottoms of the two sides of the connecting column, and the rotating shaft penetrates through the side wall of the oil storage tank and is rotatably connected with the oil storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210014520.2A CN114483538B (en) | 2022-01-07 | 2022-01-07 | Diesel locomotive air compressor capable of preventing engine oil from emulsifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210014520.2A CN114483538B (en) | 2022-01-07 | 2022-01-07 | Diesel locomotive air compressor capable of preventing engine oil from emulsifying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114483538A true CN114483538A (en) | 2022-05-13 |
| CN114483538B CN114483538B (en) | 2024-01-26 |
Family
ID=81510613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210014520.2A Active CN114483538B (en) | 2022-01-07 | 2022-01-07 | Diesel locomotive air compressor capable of preventing engine oil from emulsifying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114483538B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103635760A (en) * | 2011-02-22 | 2014-03-12 | 惠而浦股份有限公司 | Compressor cooling system using heat exchanger pre-condenser, and compressor provided with cooling system |
| CN206770174U (en) * | 2017-06-08 | 2017-12-19 | 深圳市中科创想科技有限责任公司 | A kind of high efficiency and heat radiation air compressor machine |
| CN108571435A (en) * | 2018-06-06 | 2018-09-25 | 东莞市速美机电设备有限公司 | A kind of single cylinder High-Pressure Compressor |
| CN208619343U (en) * | 2018-07-13 | 2019-03-19 | 武义广利机电有限公司 | One kind having oily air compressor |
| CN111677643A (en) * | 2020-06-10 | 2020-09-18 | 德耐尔能源装备有限公司 | Air-cooled shale gas retrieves and uses compressor |
| CN111878350A (en) * | 2020-08-07 | 2020-11-03 | 浙江洛森压缩机股份有限公司 | Safe and efficient automobile-used gas compressor |
| CN212842358U (en) * | 2020-08-07 | 2021-03-30 | 广州新创机电设备有限公司 | Air conditioning equipment with heat pump unit |
| CN213870276U (en) * | 2020-09-02 | 2021-08-03 | 长沙迈拓节能自动化科技有限公司 | Screw machine with two-stage compression |
-
2022
- 2022-01-07 CN CN202210014520.2A patent/CN114483538B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103635760A (en) * | 2011-02-22 | 2014-03-12 | 惠而浦股份有限公司 | Compressor cooling system using heat exchanger pre-condenser, and compressor provided with cooling system |
| CN206770174U (en) * | 2017-06-08 | 2017-12-19 | 深圳市中科创想科技有限责任公司 | A kind of high efficiency and heat radiation air compressor machine |
| CN108571435A (en) * | 2018-06-06 | 2018-09-25 | 东莞市速美机电设备有限公司 | A kind of single cylinder High-Pressure Compressor |
| CN208619343U (en) * | 2018-07-13 | 2019-03-19 | 武义广利机电有限公司 | One kind having oily air compressor |
| CN111677643A (en) * | 2020-06-10 | 2020-09-18 | 德耐尔能源装备有限公司 | Air-cooled shale gas retrieves and uses compressor |
| CN111878350A (en) * | 2020-08-07 | 2020-11-03 | 浙江洛森压缩机股份有限公司 | Safe and efficient automobile-used gas compressor |
| CN212842358U (en) * | 2020-08-07 | 2021-03-30 | 广州新创机电设备有限公司 | Air conditioning equipment with heat pump unit |
| CN213870276U (en) * | 2020-09-02 | 2021-08-03 | 长沙迈拓节能自动化科技有限公司 | Screw machine with two-stage compression |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114483538B (en) | 2024-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100757179B1 (en) | Fluid machine | |
| CN102575674B (en) | Rotary compressor and refrigerating circulatory device | |
| CN101542072B (en) | Fluid machine and refrigeration cycle device | |
| WO2009136488A1 (en) | Fluid machine | |
| US20080041056A1 (en) | External heat engine of the rotary vane type and compressor/expander | |
| WO2009096167A1 (en) | Expander-integrated compressor and refrigeration cycle device using the same | |
| JP5726901B2 (en) | Rotary engine | |
| CN110242534A (en) | A kind of new energy has oily stage piston-type air compressor machine | |
| CN114483538A (en) | Diesel locomotive air compressor capable of preventing engine oil from emulsifying | |
| CN204677433U (en) | Pure electric coach double-screw air compressor unit | |
| CN104806523A (en) | Two-stage rotary type compressor and operating method thereof | |
| RU2417327C2 (en) | Drive unit with ice and uncontrolled automatically-started piston machine | |
| US6336336B1 (en) | Rotary piston compressor and refrigerating equipment | |
| CN104612969A (en) | Double screw air compressor set for pure power-driven bus | |
| CN213116591U (en) | Planetary wheel type bidirectional air exhaust device | |
| JPS60119301A (en) | External combustion engine | |
| WO2018090894A1 (en) | Compressor assembly and control method thereof and refrigerating/heating system | |
| JPH0599183A (en) | Rotary compressor | |
| CN112431765A (en) | Anti-emulsification sliding sheet type air compressor | |
| CN113757071B (en) | Full-oilless air compressor for new energy vehicle | |
| CN109404279A (en) | With the cooling heat pump compressor of motor cavity and its system | |
| CN100465451C (en) | Overheating prevention apparatus of vortex compressor | |
| JP5191405B2 (en) | Expander-integrated compressor and refrigeration cycle apparatus | |
| JP2002227609A (en) | Hybrid engine and hybrid vehicle | |
| CN2373578Y (en) | Compression ignition wankel engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |