CN108331753A - High pressure gas motivation - Google Patents
High pressure gas motivation Download PDFInfo
- Publication number
- CN108331753A CN108331753A CN201810105499.0A CN201810105499A CN108331753A CN 108331753 A CN108331753 A CN 108331753A CN 201810105499 A CN201810105499 A CN 201810105499A CN 108331753 A CN108331753 A CN 108331753A
- Authority
- CN
- China
- Prior art keywords
- air
- outer cover
- high pressure
- cylinder
- brake flap
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/04—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents of internal-axis type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
Abstract
The present invention relates to a kind of high pressure gas motivations, including cylinder, rotor and high pressure tank, the rotor is mounted on by what support shaft rotated in cylinder, and it is coaxially disposed with cylinder, circumferencial direction installation along cylinder is there are four outer cover, that is slided in each outer cover is equipped with one into air brake flap, it is described into being equipped with resetting-mechanism and lubricating structure between air brake flap and outer cover, the high pressure tank is located at the outside of cylinder, it is communicated with the inside of the outer cover by air inlet pipe, the driving air inlet gate panel slide, it is evenly provided with three along the circumferencial direction of rotor and meets gas protrusion, each gas protrusion of meeting is integrally formed.It is an advantage of the invention that：After without a large amount of oil lubrications, without cooling, rotating speed is relatively low, and production process is simple, and simplifies structure, reduces production cost, and temperature increases, air pressure can increase, and be conducive to the rotation of rotor.
Description
Technical field
The present invention relates to a kind of high pressure gas motivations.
Background technology
The engine of existing market is generally piston type or vane type engine, the profit used for piston-mode motor
Oil lubrication, required lubricants capacity is larger, and complicated, needs to be equipped with the corresponding cooling facilities that radiate；For vane type
The drawbacks of be that horsepower is smaller, abrasion it is larger, waste the energy, production cost is higher.
Invention content
To overcome the deficiencies of existing technologies, the present invention provides a kind of high pressure gas motivation, the technical scheme is that：
High pressure gas motivation, including cylinder, rotor and high pressure tank, the rotor are fixed on support shaft by mounting plate
On, support shaft rotation is mounted in cylinder, and the rotor is coaxially disposed with cylinder, and the circumferencial direction along cylinder is equipped with four
A outer cover, that slides in each outer cover is equipped with one into air brake flap, described into being equipped with reset between air brake flap and outer cover
Mechanism and lubricating structure, the high pressure tank are located at the outside of cylinder, are communicated with the inside of the outer cover by air inlet pipe, drive
The air inlet gate panel slide is moved, being evenly provided with three along the circumferencial direction of rotor meets gas protrusion, and each gas protrusion of meeting is
It is integrally formed, including curved portion, inclined plane part and the planar portions set gradually, the curved portion is for driving into air brake flap
It moves, closes into air brake flap and go out air cleft；Spacing is formed between the inclined plane part and cylinder；It is offered in the planar portions close
Sealing plate mounting groove is provided with sealing mechanism in the sealing plate mounting groove, and planar portions are blowed to from the air-flow that air cleft comes out is gone out；Institute
There are three pressure relief vents for setting on the end cap of the cylinder stated wherein one end, wherein the first pressure relief vent is formed with the first adjacent outer cover
35-40 ° of angle.
The air inlet pipe is arranged in a ring, and a gas outlet is offered at each outer cover, and two are arranged at the gas outlet
A branch pipe, wherein the other end of a branch pipe is located at the side of outer cover, the other end of another branch pipe is located at the other side of outer cover, two
Branch pipe is communicated with the inside of outer cover；Offer arc groove in the upper surface into air brake flap, for receive from air inlet pipe into
The air-flow entered；The both sides of the arc groove offer the air inlet slot hole being arranged in a vertical direction, described to go out air cleft into air brake flap
It is connected to the air inlet slot hole.
The resetting-mechanism includes the mounting groove being arranged being arranged into air brake flap both sides, is respectively mounted in each mounting groove
There are a core pipe, the lower end of the core pipe to form spacing with into air brake flap, be cased with a resetting spring in the core pipe, the resetting spring
Lower end be connected on air brake flap, upper end, which is connected to, to be fixed on the gasket covered outside, and the upper end of the core pipe passes through pad
Split pin is installed after piece；The lower face into air brake flap is equipped with a flashboard bearing, which rolls with gas protrusion is met
Dynamic contact；The outlet into air brake flap sews up the bottom closely into air brake flap.
The lubricating structure includes the oiling channel that setting covers outside, and outer end and the grease-box in the oiling channel connect
Logical, inner end is connected to the shoe cream room in outer cover, and the roller chamber being connected to shoe cream room, roller rotation are additionally provided in the outer cover
Be mounted on roller intracavitary, the roller with it is described into air brake flap roll coordinate.
Active gear wheel is installed in the support shaft, cylinder one end therein, which covers, is rotatablely equipped with shaft, should
The inner end of shaft is equipped with the driven pinion engaged with active gear wheel, and outer end is connect after being pierced by end cap with driven by clutches；
Gas is recycled in the clutch driving recycling air pump action, which is connected to the high pressure tank.
The sealing mechanism includes the sealing plate installed by spring in sealing plate mounting groove, the sealing plate with it is described
Cylinder inboard wall contact.
Adjacent two angles met between gas protrusion are 120 °；Angle between adjacent two outer cover is 90 °, and described goes out air cleft
Apart from the bottom end of flashboard be 0.2mm, curved portion height be more than 0.2mm position, by it is described into air brake flap jack up, make into
Air brake flap goes out air cleft closing.
The shoe cream room is two, is arranged up and down, and is interconnected；Each shoe cream room is connected to a ball chamber.
One end of the support shaft is connected after stretching out cylinder by one end of universal joint or spline and speed increaser, the speedup
The other end of device is connect with gearbox.
30-30.2 ° of angle is formed with the side of adjacent planar portions on wherein one bottom for meeting the curved portion of gas protrusion.
It is an advantage of the invention that：Without a large amount of oil lubrications, without cooling, rotating speed is relatively low, and production process is simple, and
Structure is simplified, reduces production cost, and after temperature raising, air pressure can increase, and be conducive to the rotation of rotor.
Description of the drawings
Fig. 1 is the agent structure schematic diagram of the present invention.
Fig. 2 is the structural schematic diagram of resetting-mechanism in Fig. 1.
Fig. 3 is the side view into air brake flap in Fig. 1.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is that the first outer cover in Fig. 1 (being moved down first into air brake flap in the first outer cover) and the relationship of the first pressure relief vent are shown
It is intended to.
Specific implementation mode
The invention will now be further described with reference to specific embodiments, the advantages and features of the present invention will be with description and
It is apparent.But examples are merely exemplary for these, and it is not intended to limit the scope of the present invention in any way.People in the art
Member it should be understood that without departing from the spirit and scope of the invention can to the details of technical solution of the present invention and form into
Row modifications or substitutions, but these modifications and replacement are each fallen in protection scope of the present invention.
Referring to Fig. 1 to Fig. 5, the present invention relates to a kind of high pressure gas motivation, including cylinder 4, rotor 5 and high pressure tank, institutes
The rotor mounting plate stated is fixed in support shaft, and support shaft rotation is mounted in cylinder 4, and the rotor and cylinder 4 are coaxial
Setting is installed along the circumferencial direction of cylinder 4 there are four outer cover 2 (the first outer cover, the second outer cover, third outer cover and the 4th outer cover),
That is slided in each outer cover 13 is equipped with one into air brake flap 3, described into being equipped with reset machine between air brake flap 3 and outer cover 13
Structure and lubricating structure, the high pressure tank are located at the outside of cylinder 4, are communicated with the inside of the outer cover 13 by air inlet pipe 1,
Driving is described to be slided into air brake flap 3, and being evenly provided with three along the circumferencial direction of rotor 5 meets gas protrusion, and each to meet gas convex
It rises and is integrally formed, including curved portion 6, inclined plane part 7 and the planar portions 8 set gradually, the curved portion 6 is for driving air inlet
Flashboard moves up, and closes into air brake flap and goes out air cleft；Spacing is formed between the inclined plane part 7 and cylinder 4；The planar portions 8
On offer sealing plate mounting groove, be provided with sealing mechanism in the sealing plate mounting groove, from go out air cleft come out air-flow blow
To planar portions；There are three pressure relief vent 26 (the first pressure relief vent, the second pressure relief vents for setting on the end cap of described wherein one end of cylinder 4
It is evenly distributed in the circumferential direction with third pressure relief vent), wherein the first pressure relief vent forms 35-40 ° of folder with the first adjacent outer cover
Angle, i.e. angle b in Fig. 5.
The air inlet pipe 1 is arranged in a ring, and a gas outlet is offered at each outer cover 13, is arranged at the gas outlet
Two branch pipes 2, wherein the other end of a branch pipe 2 is located at the side of outer cover 13, the other end of another branch pipe 2 is located at the another of outer cover 13
Side, two branch pipes 2 are communicated with the inside of outer cover 13；Arc groove 20 is offered in the upper surface into air brake flap 3, is used for
Receive the air-flow entered from air inlet pipe 1；The both sides of the arc groove 20 offer the air inlet slot hole 22 being arranged in a vertical direction, described
The air cleft 23 that goes out into air brake flap 3 be connected to the air inlet slot hole 22.
The resetting-mechanism includes the mounting groove 24 being arranged being arranged into 3 both sides of air brake flap, in each mounting groove 24
It is mounted on a core pipe 16, the lower end of the core pipe 16 forms spacing with into air brake flap 3, a reset bullet is cased in the core pipe 16
The lower end of spring 17, the resetting spring 17 is connected on air brake flap 3, and upper end is connected on the gasket being fixed on outer cover 13, institute
The upper end for the core pipe 16 stated is equipped with split pin after passing through gasket；The lower face into air brake flap 3 is equipped with a flashboard bearing
19, which is in rolling contact with gas protrusion is met；The outlet into air brake flap 3 sews up the bottom closely into air brake flap 3.
The lubricating structure includes the oiling channel being arranged on outer cover 13, the outer end in the oiling channel and grease-box
Connection, inner end are connected to the shoe cream room 15 in outer cover 13, and the roller chamber 14 being connected to shoe cream room is additionally provided in the outer cover,
Roller rotation is mounted in roller chamber 14, which coordinates with described rolled into air brake flap 3, to moistening into air brake flap
It is sliding.
Active gear wheel 11 is installed in the support shaft, 4 one end therein of cylinder, which covers, is rotatablely equipped with shaft,
The inner end of the shaft is equipped with the driven pinion 12 engaged with active gear wheel 11, and outer end is pierced by after end cap and driven by clutches
Connection；Gas is recycled in the clutch driving recycling air pump action, the recycling air pump and the high pressure tank
Connection.
The sealing mechanism includes the sealing plate 9 installed by spring 10 in sealing plate mounting groove, the sealing plate 9 with
4 inner wall of the cylinder contact.
Adjacent two angles met between gas protrusion are 120 °；Angle between adjacent two outer cover is 90 °, and described goes out air cleft
Apart from the bottom end of flashboard be 0.2mm, curved portion height be more than 0.2mm position, by it is described into air brake flap jack up, make into
Air brake flap goes out air cleft closing.Wherein one meets the bottom of the curved portion of gas protrusion forms 30- with the side of adjacent planar portions
30.2 ° of angle (the angle a) in Fig. 1；Into air brake flap when going out air cleft and being located at the upper surface of rotor, goes out air cleft and expose cylinder 0.2-
0.3 millimeter, when meeting the camber line portion of gas protrusion and sliding into air brake flap, that is, meets angle a and be 30-30.2 ° and die, camber line portion is most
0.3-0.5 millimeters of height.
The shoe cream room is two, is arranged up and down, and is interconnected；Each shoe cream room is connected to a ball chamber.
One end of the support shaft is connected after stretching out cylinder 4 by one end of universal joint or spline and speed increaser, the increasing
The other end of fast device is connect with gearbox.
The present invention operation principle be：When high pressure outlet air pipe provides air source, air-flow is entered by air inlet pipe in outer cover, this
When, being moved down into air brake flap for the first outer cover is pushed first, and the limit of gas protrusion, outlet are met into air brake flap in the other three outer cover
Seam is closed, when air-flow be blown in the first outer cover into arc groove on air brake flap when, push moving down into air brake flap
Meanwhile air-flow is also blown to going out in air cleft into air brake flap, when air-flow is after going out in air cleft to come out, push at this time with should be into air-lock
The adjacent planar portions of plate, realize the rotation of rotor, when planar portions turn over the second outer cover into air brake flap when, second into air brake flap
Go out air cleft and moves down outlet, first sews on shifting and closes into the outlet of air brake flap, and so on, four outer covers are handed over successively into air brake flap
It realizes the pressure difference for meeting gas protrusion both sides by the pressure relief vent being arranged on end cap for air inlet, realizes the lasting rotation of rotor.
Claims (10)
1. high pressure gas motivation, which is characterized in that including cylinder, rotor and high pressure tank, the rotor is solid by mounting plate
It is scheduled in support shaft, support shaft rotation is mounted in cylinder, and the rotor is coaxially disposed with cylinder, along the circumference side of cylinder
To installation there are four outer cover, that is slided in each outer cover is equipped with one into air brake flap, described between air brake flap and outer cover
Resetting-mechanism and lubricating structure are installed, which is located at the outside of cylinder, passes through air inlet pipe and the outer cover
Inside communicates, and drives the air inlet gate panel slide, and being evenly provided with three along the circumferencial direction of rotor meets gas protrusion, each
Meet gas protrusion to be integrally formed, including curved portion, inclined plane part and the planar portions set gradually, the curved portion for drive into
Air brake flap moves up, and closes into air brake flap and goes out air cleft；Spacing is formed between the inclined plane part and cylinder；In the planar portions
Sealing plate mounting groove is offered, sealing mechanism is provided in the sealing plate mounting groove, is blowed to from the air-flow that air cleft comes out is gone out
Planar portions；There are three pressure relief vents for setting on the end cap of the cylinder wherein one end, wherein the first pressure relief vent and adjacent first
Outer cover forms 35-40 ° of angle.
2. high pressure gas motivation according to claim 1, which is characterized in that the air inlet pipe is arranged in a ring, each
A gas outlet is offered at outer cover, and two branch pipes are set at the gas outlet, wherein the other end of a branch pipe is located at the one of outer cover
Side, the other end of another branch pipe are located at the other side of outer cover, and two branch pipes are communicated with the inside of outer cover；Described into air brake flap
Upper surface offer arc groove, for receiving the air-flow entered from air inlet pipe；The both sides of the arc groove are offered along vertical side
To the air inlet slot hole of arrangement, the air cleft that goes out into air brake flap is connected to the air inlet slot hole.
3. high pressure gas motivation according to claim 1, which is characterized in that the resetting-mechanism includes setting into air-lock
The mounting groove of plate both sides, is mounted on a core pipe in each mounting groove, and the lower end of the core pipe forms spacing, institute with into air brake flap
A resetting spring is cased in the core pipe stated, the lower end of the resetting spring is connected on air brake flap, and upper end, which is connected to, to be fixed on outside
On the gasket covered, the upper end of the core pipe is equipped with split pin after gasket；It installs the lower face into air brake flap
There is a flashboard bearing, which is in rolling contact with gas protrusion is met；The outlet into air brake flap sews up the bottom closely into air brake flap
Portion.
4. high pressure gas motivation according to claim 1, which is characterized in that the lubricating structure includes that setting covers outside
Oiling channel, the outer end in the oiling channel is connected to grease-box, and inner end is connected to the shoe cream room in outer cover, the outer cover
Inside be additionally provided with the roller chamber being connected to shoe cream room, roller rotation is mounted on roller intracavitary, the roller with it is described into air-lock
Plate rolls cooperation.
5. high pressure gas motivation according to claim 1, which is characterized in that be equipped with active canine tooth in the support shaft
Wheel, cylinder one end therein, which covers, is rotatablely equipped with shaft, the inner end of the shaft be equipped with engaged with active gear wheel it is driven
Pinion gear, outer end are connect after being pierced by end cap with driven by clutches；The clutch driving recycling air pump action carries out gas
Recycling, the recycling air pump are connected to the high pressure tank.
6. the high pressure gas motivation according to claim 1 to 5 any one, which is characterized in that the sealing mechanism includes
The sealing plate installed by spring in sealing plate mounting groove, the sealing plate are contacted with the cylinder inboard wall.
7. high pressure gas motivation according to claim 6, which is characterized in that adjacent two angles met between gas protrusion are
120°；Angle between adjacent two outer cover is 90 °, and described to go out air cleft apart from the bottom end of flashboard be 0.2mm, in the height of curved portion
Position of the degree more than 0.2mm is jacked up described into air brake flap, and the air cleft that goes out into air brake flap is made to close.
8. high pressure gas motivation according to claim 7, which is characterized in that the shoe cream room is two, is arranged up and down, and
It is interconnected；Each shoe cream room is connected to a ball chamber.
9. high pressure gas motivation according to claim 7, which is characterized in that one end of the support shaft leads to after stretching out cylinder
The one end for crossing universal joint or spline and speed increaser connects, and the other end of the speed increaser is connect with gearbox.
10. high pressure gas motivation according to claim 7, which is characterized in that wherein one meets the bottom of the curved portion of gas protrusion
30-30.2 ° of angle is formed with the side of adjacent planar portions.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105499.0A CN108331753A (en) | 2018-02-02 | 2018-02-02 | High pressure gas motivation |
| CN201810893970.7A CN109083842B (en) | 2018-02-02 | 2018-08-08 | High-pressure pneumatic motor |
| PCT/CN2019/070321 WO2019149030A1 (en) | 2018-02-02 | 2019-01-04 | High-pressure pneumatic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105499.0A CN108331753A (en) | 2018-02-02 | 2018-02-02 | High pressure gas motivation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108331753A true CN108331753A (en) | 2018-07-27 |
Family
ID=62927746
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810105499.0A Pending CN108331753A (en) | 2018-02-02 | 2018-02-02 | High pressure gas motivation |
| CN201810893970.7A Active CN109083842B (en) | 2018-02-02 | 2018-08-08 | High-pressure pneumatic motor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810893970.7A Active CN109083842B (en) | 2018-02-02 | 2018-08-08 | High-pressure pneumatic motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN108331753A (en) |
| WO (1) | WO2019149030A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019149030A1 (en) * | 2018-02-02 | 2019-08-08 | 刘永祥 | High-pressure pneumatic machine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575502A (en) * | 1980-06-11 | 1982-01-12 | Teruyasu Mochizuki | Rotor type rotary machine |
| CN1014920B (en) * | 1989-02-22 | 1991-11-27 | 浙江工学院 | Wobble-wheel fluid engine |
| US5174742A (en) * | 1992-02-03 | 1992-12-29 | Snap-On Tools Corporation | Rotary air motor with curved tangential vanes |
| DE10311773A1 (en) * | 2003-03-18 | 2004-09-30 | Imris, Pavel, Dr. | Compressed air motor for use as e.g. radial engine, window blind motor, sliding vane motor, gear motor, has electric current tubes whose open ends are in tangential relation to stator, and which are bent about driveshaft |
| DE20306866U1 (en) * | 2003-04-28 | 2003-07-31 | Bernau Klaus Juergen | Rotary swing piston motor, using an oxyhydrogen fuel mixture, has a center pressure zone at the rotor and structured piston shapes to seal their swing chambers on a maximum possible swing angle |
| CN2729319Y (en) * | 2004-08-20 | 2005-09-28 | 沈阳工业学院 | Hole pneumatic motor |
| CN101397914A (en) * | 2007-09-24 | 2009-04-01 | 陈军 | Novel mass flow blade mechanism |
| JP5993579B2 (en) * | 2012-02-14 | 2016-09-14 | 株式会社大林組 | Sediment pressure pump, shield machine, and shield method for construction work |
| CN204921047U (en) * | 2015-09-02 | 2015-12-30 | 黄敬平 | Ratchet formula pneumatic motor |
| CN108331753A (en) * | 2018-02-02 | 2018-07-27 | 刘永祥 | High pressure gas motivation |
-
2018
- 2018-02-02 CN CN201810105499.0A patent/CN108331753A/en active Pending
- 2018-08-08 CN CN201810893970.7A patent/CN109083842B/en active Active
-
2019
- 2019-01-04 WO PCT/CN2019/070321 patent/WO2019149030A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019149030A1 (en) * | 2018-02-02 | 2019-08-08 | 刘永祥 | High-pressure pneumatic machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109083842A (en) | 2018-12-25 |
| CN109083842B (en) | 2020-06-26 |
| WO2019149030A1 (en) | 2019-08-08 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180727 |
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