CN106194666A - A kind of air compressor - Google Patents
A kind of air compressor Download PDFInfo
- Publication number
- CN106194666A CN106194666A CN201610799944.9A CN201610799944A CN106194666A CN 106194666 A CN106194666 A CN 106194666A CN 201610799944 A CN201610799944 A CN 201610799944A CN 106194666 A CN106194666 A CN 106194666A
- Authority
- CN
- China
- Prior art keywords
- weight
- load
- centrifugal
- crankcase
- 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.)
- Pending
Links
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
- F04B39/06—Cooling; Heating; Prevention of freezing
-
- 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
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention provides a kind of air compressor, it includes crankcase and the air filter being located on crankcase, one-level intake valve, cylinder, one-level air bleeding valve, the first cast iron intercooler, the second cast iron intercooler, secondary inlet valve, secondary cylinder, secondary exhaust valve, vent gas cooler, it is provided with bent axle in described crankcase, described crankcase is provided with bonnet, described bonnet is provided with and regards oil mirror, and it also includes oiling bend pipe, breathes return line, strip-fin oil cooler and centrifugal relief arrangement.The present invention have can reduce Inside Air Temperature, reduce energy consumption, can non-loaded startup machine, conveniently refuel, prevent from refueling too much, reduce environmental pollution, save manual cleaning, prevent from dust from entering crankcase case inner part carrying out deleterious wear, increases the advantages such as machine service life.
Description
Technical field
The invention belongs to field of air compressor, especially in regard to a kind of air compressor.
Background technology
The many problems of existence on current air compressor machine: 1. too high temperature of air in air compressor machine, even if there being two connected castings
Ferrum cooler, also cannot make temperature be greatly reduced, cause energy consumption too high；2. between vent gas cooler and the check valve of air accumulator
There is compressed air in channel interior, there is pressure inside, and starting machine when, motor load is big, causes starting current relatively big,
Easily motor damage；3. regard oil mirror and oil filler not in the same side, and oil filler is often positioned in the position near top, so exists
The when of oiling, one is to refuel to have difference in height, easily falls discontented or many, two be regard oily mirror dirty fall cannot observe time
Wait, just cannot observe internal oil level height；4. respiratory organ is arranged on bonnet, and directly connection crankcase is internal empty with outside
Gas, but in crankcase, oil gas is volatile, easily pollutes environment and machine surface of making dirty.
Summary of the invention
It is an object of the invention to provide one can reduce Inside Air Temperature, reduce energy consumption, can non-loaded starter motor
Device, conveniently refuel, prevent from refueling too much, reduce environmental pollution, save manual cleaning, prevent dust from entering crankcase to case inside
Part carries out deleterious wear, increases the air compressor of machine service life.
For reaching above-mentioned purpose, the present invention uses following technological means: a kind of air compressor, its include crankcase and
The air filter be located on crankcase, one-level intake valve, cylinder, one-level air bleeding valve, the first cast iron intercooler, the second casting
Ferrum intercooler, secondary inlet valve, secondary cylinder, secondary exhaust valve, vent gas cooler, be provided with bent axle in described crankcase,
Described crankcase is provided with bonnet, and described bonnet is provided with and regards oil mirror, and it also includes oiling bend pipe and breathes return line,
Described oiling bend pipe is located on described bonnet, and its main body is L-shaped, and the fuel-displaced port of its horizontal direction is fixed on institute
Stating on bonnet, and be connected inside described crankcase, the oil-feed port on described vertical direction is provided with plug screw, described spiral shell
Plug uses thread seal with described oil-feed port；
Described breathing return line include be located on described bonnet the first joint for respiratory device, be located at described air filter
With the second joint for respiratory device between described first intake valve, be connected returning of described first joint for respiratory device and described second joint for respiratory device
Oil pipe.
Further, the pipe shaft of the horizontal direction of described oiling bend pipe is in sustained height with described depending on oil mirror.
Further, the fuel-displaced port of the horizontal direction of described oiling bend pipe is in sustained height with described depending on oil mirror, and
The corner of described oiling bend pipe is then lifted up 5 °～the inclination angle of 10 °.
Further, described first joint for respiratory device uses the straight-through or structure of threeway.
Further, described oil return pipe all uses thread seal to be connected with joint for respiratory device.
Further, it also includes centrifugal relief arrangement, and described centrifugal relief arrangement includes weight bolt, weight props up
Frame, back-moving spring, centrifugal plunger, weight, weight pin, off-load push rod, off-load steel ball, unloader and off-load trachea,
Described weight support is provided centrally with connecting hole,
Described weight bolt one end is connected on one end of described connecting hole, and the other end and described bent axle are screwed even
Connecing, described weight support is fixed on described bent axle by described weight bolt,
On described weight support, the other end of connecting hole is provided with centrifugal plunger, described centrifugal plunger and described weight bolt
Between be provided with back-moving spring,
Described weight is flexibly connected with described weight support by described weight pin, and described weight includes that two panels is oppositely arranged
Weight blade, described weight blade include Relative vertical arrange weight briquetting and weight centrifugal-block, described weight pin sets
Putting in weight briquetting and the junction of weight centrifugal-block, weight briquetting comes close to or in contact with mutually with the end face of centrifugal plunger, described heavy
Hammer centrifugal-block fits with described weight support,
Described off-load push rod one end and the end contact of described centrifugal plunger, the other end withstands described off-load steel ball, described
The opposite side of off-load steel ball is provided with support spring, and described support spring and described off-load steel ball are positioned in unloading channel, described
Off-load push rod puts in described unloading channel and withstands off-load steel ball,
Described off-load trachea one end is connected by described unloading channel with described unloader, the described off-load trachea other end with
Described vent gas cooler is connected,
When machine run, described weight centrifugal-block does centrifugal motion and is flared out, described weight briquetting then by described from
Stem plug to crankshaft direction promote, off-load push rod then by support spring to crankshaft direction jack-up, to off-load steel ball by described off-load
When passage has blocked up, in vent gas cooler, gas cannot be got rid of；When machine shuts down, weight centrifugal-block stops the rotation, centrifugal
Off-load push rod, under the effect of back-moving spring, is offed normal by off-load push rod jack-up to bonnet direction jack-up, off-load steel ball, is unloaded by plunger
Lotus channel connection off-load trachea and unloader, in vent gas cooler, gas is got rid of.
Further, it also includes strip-fin oil cooler, and described strip-fin oil cooler connects in described first cast iron
Between between cooler and described second cast iron intercooler.
Compared with prior art, there is advantages that
One, reducing energy consumption, add strip-fin oil cooler, by two cast iron coolers separately, cooling-down effect is higher, it is possible to will
The many falls of temperature 50～60 DEG C.
Two, non-loaded startup machine, unloader opened by centrifugal relief arrangement when machine does not works, it is ensured that without pressure in pipeline
Strength body.
Three, refuel time observe oil level more convenient, and when regard oil mirror dirty fall cannot observe oil level when, can pass through add
Oil level observed by oil bend pipe.
Four, in preventing crankcase, oil gas volatilization pollutes environment, and in crankcase, air is directly discharged into intake valve, carries out oil gas
It is recycled.
Accompanying drawing explanation
Fig. 1 is the structural representation of air compressor of the present invention.
Fig. 2 is the sectional structure schematic diagram of centrifugal relief arrangement in Fig. 1.
Fig. 3 is the partial enlarged drawing that Fig. 2 is centrifuged relief arrangement.
Detailed description of the invention
For the technology used in the present invention means and the technique effect that reach being expanded on further, below in conjunction with accompanying drawing and enforcement
Example elaborates.
Air compressor of the present invention, with reference to Fig. 1, it includes crankcase 100, air filter 200, one-level intake valve
210, cylinder 220, one-level air bleeding valve the 230, first cast iron intercooler the 240, second cast iron intercooler 250, two are grading
Air valve 260, secondary cylinder 270, secondary exhaust valve 280, vent gas cooler 290.
Referring to figs. 2 and 3, it being provided with bent axle 110 in crankcase 100, crankcase 100 is provided with bonnet 120, described bonnet
120 are provided with regarding oil mirror 121, bonnet 120 is additionally provided with oiling bend pipe 122 and breathes return line 123.Described oiling bend pipe
122 are located on described bonnet 120, and its main body is L-shaped, and the fuel-displaced port (not shown) of its horizontal direction is fixed on described bonnet
It is connected on 120 and with described crankcase 100 inside, at the oil-feed port (not shown) on described vertical direction, is provided with plug screw
124, described plug screw 124 uses thread seal to be connected with described oil-feed port.
In one embodiment, the pipe shaft of the horizontal direction of described oiling bend pipe 122 is in same with described depending on oil mirror 121
Highly.
In another embodiment, the fuel-displaced port of the horizontal direction of described oiling bend pipe 122 regards oil Jing12Chu with described
In sustained height, the corner of described oiling bend pipe 122 is then lifted up 5 °～the inclination angle of 10 °, it is simple to the oil in bend pipe
Liquid stream enters in crankcase 100.
Described breathing return line 123 include be located on described bonnet 120 the first joint for respiratory device 125, be located at described
The second joint for respiratory device 126 between air filter 200 with described first intake valve 210, it is connected described first joint for respiratory device 125
Oil return pipe 127 with described second joint for respiratory device 126.Described first joint for respiratory device 125 uses the straight-through or structure of threeway.
Air compressor of the present invention also includes strip-fin oil cooler 300, and described strip-fin oil cooler 300 connects described
Between first cast iron intercooler 240 and described second cast iron intercooler 250.
Air compressor of the present invention also includes centrifugal relief arrangement 130, and described centrifugal relief arrangement 130 includes weight
Bolt 131, weight support 132, back-moving spring 133, centrifugal plunger 134, weight 135, weight pin 136, off-load push rod 137, unload
Lotus steel ball 138, unloader 139 and off-load trachea 140.Wherein said weight support 132 is provided centrally with connecting hole 128, described
Weight bolt 131 one end is connected on one end of described connecting hole 128, and the other end is screwed with described bent axle 110 and is connected, institute
State weight bolt 131 to be fixed on described bent axle 110 by described weight support 132.
On described weight support 132, the other end of connecting hole 128 is provided with centrifugal plunger 134, described centrifugal plunger 134 with
It is provided with back-moving spring 133 between described weight bolt 131.
Described weight 135 is flexibly connected with described weight support 132 by described weight pin 136, and described weight 135 includes
The weight blade that two panels is oppositely arranged, described weight blade include Relative vertical arrange weight briquetting 142 and weight be centrifuged
Block 143, described weight pin 136 is arranged on weight briquetting 142 and the junction of weight centrifugal-block 143, and weight briquetting 142 is with centrifugal
The end face of plunger 134 comes close to or in contact with mutually, and described weight centrifugal-block 143 fits with described weight support 132.
Described off-load push rod 137 one end and the end contact of described centrifugal plunger 134, the other end withstands described off-load steel ball
138, the opposite side of described off-load steel ball 138 is provided with support spring 144, described support spring 144 and described off-load steel ball 138
Being positioned in unloading channel 145, described off-load push rod 137 puts in described unloading channel 145 and withstands off-load steel ball 138.Described off-load
Trachea 140 one end is connected by described unloading channel 145 with described unloader 139, and described off-load trachea 140 other end is with described
Vent gas cooler 290 is connected.
When machine run, described weight centrifugal-block does centrifugal motion and is flared out, described weight briquetting then by described from
Stem plug to crankshaft direction promote, off-load push rod then by support spring to crankshaft direction jack-up, to off-load steel ball by described off-load
When passage has blocked up, in vent gas cooler, gas cannot be got rid of；When machine shuts down, weight centrifugal-block stops the rotation, centrifugal
Off-load push rod, under the effect of back-moving spring, is offed normal by off-load push rod jack-up to bonnet direction jack-up, off-load steel ball, is unloaded by plunger
Lotus channel connection off-load trachea and unloader, in vent gas cooler, gas is got rid of.
Described above the most fully discloses the detailed description of the invention of the present invention.It is pointed out that and be familiar with this field
Any change that the detailed description of the invention of the present invention is done by technical staff is all without departing from the scope of claims of the present invention.
Correspondingly, the scope of the claim of the present invention is also not limited only to previous embodiment.
Claims (8)
1. an air compressor, it includes crankcase and the air filter being located on crankcase, one-level intake valve, gas
Cylinder, one-level air bleeding valve, the first cast iron intercooler, the second cast iron intercooler, secondary inlet valve, secondary cylinder, two grades
Air bleeding valve, vent gas cooler, be provided with bent axle in described crankcase, described crankcase is provided with bonnet, and described bonnet is provided with and regards
Oil mirror, it is characterised in that: it also includes oiling bend pipe,
Described oiling bend pipe is located on described bonnet, and its main body is L-shaped, the fuel-displaced port of its horizontal direction be fixed on described after
Covering, and be connected inside described crankcase, the oil-feed port on described vertical direction is provided with plug screw, described plug screw with
Described oil-feed port uses thread seal.
Air compressor the most according to claim 1, it is characterised in that: the pipe shaft of the horizontal direction of described oiling bend pipe with
Described depending on oil mirror be in sustained height.
Air compressor the most according to claim 1, it is characterised in that: the oil outlet end of the horizontal direction of described oiling bend pipe
Mouth is in sustained height with described depending on oil mirror, and the corner of described oiling bend pipe is then lifted up 5 °～the inclination angle of 10 °.
Air compressor the most according to claim 1, it is characterised in that: it also includes breathing return line, described in exhale
Suck back oil pipe line include be located on described bonnet the first joint for respiratory device, be located at described air filter and described first air inlet
The second joint for respiratory device between valve, connect described first joint for respiratory device and the oil return pipe of described second joint for respiratory device.
Air compressor the most according to claim 4, it is characterised in that: described first joint for respiratory device uses straight-through or threeway
Structure.
Air compressor the most according to claim 4, it is characterised in that: described oil return pipe and joint for respiratory device all use screw thread
It is tightly connected.
Air compressor the most according to claim 1, it is characterised in that: it also includes centrifugal relief arrangement, described from
Heart relief arrangement includes weight bolt, weight support, back-moving spring, centrifugal plunger, weight, weight pin, off-load push rod, off-load
Steel ball, unloader and off-load trachea,
Described weight support is provided centrally with connecting hole,
Described weight bolt one end is connected on one end of described connecting hole, and the other end is screwed with described bent axle and is connected, institute
State weight bolt to be fixed on described bent axle by described weight support,
On described weight support, the other end of connecting hole is provided with centrifugal plunger, between described centrifugal plunger and described weight bolt
It is provided with back-moving spring,
Described weight is flexibly connected with described weight support by described weight pin, and described weight includes the weight that two panels is oppositely arranged
Hammer blade, described weight blade includes weight briquetting and the weight centrifugal-block that Relative vertical is arranged, and described weight pin is arranged on
Weight briquetting and the junction of weight centrifugal-block, weight briquetting comes close to or in contact with mutually with the end face of centrifugal plunger, described weight from
Heart block fits with described weight support,
Described off-load push rod one end and the end contact of described centrifugal plunger, the other end withstands described off-load steel ball, described off-load
The opposite side of steel ball is provided with support spring, and described support spring and described off-load steel ball are positioned in unloading channel, described off-load
Push rod puts in described unloading channel and withstands off-load steel ball,
Described off-load trachea one end is connected by described unloading channel with described unloader, and the described off-load trachea other end is with described
Vent gas cooler is connected,
When machine run, described weight centrifugal-block does centrifugal motion and is flared out, and described weight briquetting is then by described centrifugal column
Fill in crankshaft direction promote, off-load push rod then by support spring to crankshaft direction jack-up, to off-load steel ball by described unloading channel
When having blocked up, in vent gas cooler, gas cannot be got rid of；When machine shuts down, weight centrifugal-block stops the rotation, centrifugal plunger
Under the effect of back-moving spring, being offed normal by off-load push rod jack-up to bonnet direction jack-up, off-load steel ball by off-load push rod, off-load is led to
Road connection off-load trachea and unloader, in vent gas cooler, gas is got rid of.
Air compressor the most according to claim 1, it is characterised in that: it also includes strip-fin oil cooler, described plate
Wing formula cooler connects between described first cast iron intercooler and described second cast iron intercooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610799944.9A CN106194666A (en) | 2016-08-31 | 2016-08-31 | A kind of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610799944.9A CN106194666A (en) | 2016-08-31 | 2016-08-31 | A kind of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106194666A true CN106194666A (en) | 2016-12-07 |
Family
ID=58066392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610799944.9A Pending CN106194666A (en) | 2016-08-31 | 2016-08-31 | A kind of air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194666A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194663A (en) * | 2016-08-31 | 2016-12-07 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN106194664A (en) * | 2016-08-31 | 2016-12-07 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN106194665A (en) * | 2016-08-31 | 2016-12-07 | 大丰力大气动设备有限公司 | A kind of air compressor |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1543680A (en) * | 1923-05-02 | 1925-06-30 | Ingersoll Rand Co | Centrifugal unloader |
| CN100476206C (en) * | 2004-09-24 | 2009-04-08 | 沃克斯戴德私人有限责任公司 | Cooling device for air compressor |
| WO2012113144A1 (en) * | 2011-02-24 | 2012-08-30 | Zhang Yongsheng | Low oil consumption piston type air compressor with internal-cycle piping device |
| CN203223349U (en) * | 2013-04-16 | 2013-10-02 | 南京恒达压缩机有限公司 | Centrifugal unloading mechanism |
| CN203362261U (en) * | 2013-07-04 | 2013-12-25 | 安徽全柴动力股份有限公司 | Diesel engine with engine oil lubricator |
| CN203925922U (en) * | 2014-06-26 | 2014-11-05 | 宁波华生压缩机有限公司 | A kind of large capacity compressors of good stability |
| CN204610195U (en) * | 2015-02-04 | 2015-09-02 | 江苏振翔车辆装备股份有限公司 | fire-fighting small displacement high pressure air compressor |
| CN106194663A (en) * | 2016-08-31 | 2016-12-07 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN106194664A (en) * | 2016-08-31 | 2016-12-07 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN106194665A (en) * | 2016-08-31 | 2016-12-07 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN206320011U (en) * | 2016-08-31 | 2017-07-11 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN206320010U (en) * | 2016-08-31 | 2017-07-11 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN206458578U (en) * | 2016-08-31 | 2017-09-01 | 大丰力大气动设备有限公司 | A kind of air compressor |
-
2016
- 2016-08-31 CN CN201610799944.9A patent/CN106194666A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1543680A (en) * | 1923-05-02 | 1925-06-30 | Ingersoll Rand Co | Centrifugal unloader |
| CN100476206C (en) * | 2004-09-24 | 2009-04-08 | 沃克斯戴德私人有限责任公司 | Cooling device for air compressor |
| WO2012113144A1 (en) * | 2011-02-24 | 2012-08-30 | Zhang Yongsheng | Low oil consumption piston type air compressor with internal-cycle piping device |
| CN203223349U (en) * | 2013-04-16 | 2013-10-02 | 南京恒达压缩机有限公司 | Centrifugal unloading mechanism |
| CN203362261U (en) * | 2013-07-04 | 2013-12-25 | 安徽全柴动力股份有限公司 | Diesel engine with engine oil lubricator |
| CN203925922U (en) * | 2014-06-26 | 2014-11-05 | 宁波华生压缩机有限公司 | A kind of large capacity compressors of good stability |
| CN204610195U (en) * | 2015-02-04 | 2015-09-02 | 江苏振翔车辆装备股份有限公司 | fire-fighting small displacement high pressure air compressor |
| CN106194663A (en) * | 2016-08-31 | 2016-12-07 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN106194664A (en) * | 2016-08-31 | 2016-12-07 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN106194665A (en) * | 2016-08-31 | 2016-12-07 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN206320011U (en) * | 2016-08-31 | 2017-07-11 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN206320010U (en) * | 2016-08-31 | 2017-07-11 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN206458578U (en) * | 2016-08-31 | 2017-09-01 | 大丰力大气动设备有限公司 | A kind of air compressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194663A (en) * | 2016-08-31 | 2016-12-07 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN106194664A (en) * | 2016-08-31 | 2016-12-07 | 大丰力大气动设备有限公司 | A kind of air compressor |
| CN106194665A (en) * | 2016-08-31 | 2016-12-07 | 大丰力大气动设备有限公司 | A kind of air compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206320011U (en) | A kind of air compressor | |
| CN206458578U (en) | A kind of air compressor | |
| CN106194666A (en) | A kind of air compressor | |
| CN106194664A (en) | A kind of air compressor | |
| CN106194663A (en) | A kind of air compressor | |
| CN206320010U (en) | A kind of air compressor | |
| CN106194665A (en) | A kind of air compressor | |
| CN108884820A (en) | Piston compressor with exhaust apparatus | |
| CN202659303U (en) | Oil return line of turbosupercharger | |
| CN206571645U (en) | A kind of air compressor | |
| CN203403924U (en) | Breathing system of engine | |
| CN102822523A (en) | Low oil consumption piston type air compressor with internal-cycle piping device | |
| CN106246555A (en) | A kind of vehicle air compressor | |
| CN106703937A (en) | Oil-gas separation system for engine | |
| CN103511020A (en) | Oil return line of turbocharger | |
| CN203725453U (en) | Diesel engine sump vacuum cleaner | |
| CN207064037U (en) | Gs-oil separator | |
| CN202851107U (en) | Ventilation anti-icing system of automobile crankcase | |
| CN206361767U (en) | A kind of fume extracting system for gear up centrifugal compressor | |
| CN209228430U (en) | A kind of aviation piston engine oil return apparatus | |
| CN208267928U (en) | Dry lubrication system oil tank | |
| CN203362257U (en) | Gravity type one-way valve and supercharged and inter-cooled gasoline engine ventilation system | |
| CN209724443U (en) | A kind of self-bleeding rectilinear oil filter | |
| CN208831120U (en) | A kind of fuel tank inlet port control device and fuel tank | |
| CN106438284B (en) | Externally emptying formula air compressor and the external purge process of air compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |