CN111322225A - Coaxial oil-free ultrahigh pressure compressor - Google Patents

Coaxial oil-free ultrahigh pressure compressor Download PDF

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Publication number
CN111322225A
CN111322225A CN202010297427.8A CN202010297427A CN111322225A CN 111322225 A CN111322225 A CN 111322225A CN 202010297427 A CN202010297427 A CN 202010297427A CN 111322225 A CN111322225 A CN 111322225A
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China
Prior art keywords
pressure
concentric
piston
low
cylinder sleeve
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Pending
Application number
CN202010297427.8A
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Chinese (zh)
Inventor
张志飞
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Individual
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Individual
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Priority to CN202010297427.8A priority Critical patent/CN111322225A/en
Publication of CN111322225A publication Critical patent/CN111322225A/en
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    • 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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • 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
    • F04B25/00—Multi-stage pumps
    • F04B25/005—Multi-stage pumps with two cylinders
    • 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
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
    • 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
    • F04B39/0005—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 adaptations of pistons
    • 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
    • F04B39/10—Adaptations or arrangements of distribution members
    • 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
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
    • 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/125—Cylinder heads
    • 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
    • F04B39/14—Provisions for readily assembling or disassembling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/08—Ceramics; Oxides
    • F05C2203/0804—Non-oxide ceramics
    • F05C2203/083—Nitrides
    • F05C2203/0843—Nitrides of silicon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/04—PTFE [PolyTetraFluorEthylene]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/12—Polyetheretherketones, e.g. PEEK

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Abstract

The coaxial oil-free ultrahigh pressure compressor comprises a motor, wherein an eccentric wheel is connected to a shaft of the motor, a second pin shaft is connected to the eccentric position of the eccentric wheel, a connecting rod is connected to the second pin, a first pin shaft is connected to the other end of the connecting rod, a concentric piston is connected to the first pin shaft, a second support ring and the concentric piston are arranged in a concentric cylinder sleeve, a concentric cylinder gland is arranged at the tops of the concentric cylinder sleeve and the concentric piston, a high-pressure cylinder sleeve is connected to the upper portion of the concentric cylinder gland, and a second one-way valve is arranged; a high-pressure push rod is arranged in the high-pressure cylinder sleeve, a high-pressure piston is connected below the high-pressure push rod, a low-pressure piston is connected above the high-pressure push rod, and low-pressure cylinder covers are arranged at the tops of the low-pressure piston and the low-pressure cylinder sleeve; and a valve plate is arranged in the low-pressure cylinder cover. The invention has compact structure, greatly reduced compressor volume, convenient assembly, disassembly and maintenance, low manufacturing cost, long service life and high inflation efficiency.

Description

Coaxial oil-free ultrahigh pressure compressor
Technical Field
The invention relates to the technical field of air compressors, in particular to a coaxial oil-free ultrahigh pressure compressor.
Background
The ultrahigh pressure compressor belongs to air compressor for dive, fire control and outdoor exercises, and the ultrahigh pressure compressor motor among the prior art is two play axle constructions, has all installed the eccentric wheel on two axles, is connected with the cylinder on the eccentric wheel, is connected with low pressure cylinder on one side, and high pressure cylinder is connected to the another side, and the eccentric wheel drives low pressure cylinder and high pressure cylinder work, compresses the inspiratory low pressure air body and produces high-pressure gas. The technical structure is complex, the volume is large, the manufacturing cost is high, the maintenance difficulty is large, the service life is short, and the inflation efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problems and provides a coaxial oil-free ultrahigh pressure compressor which is compact and reasonable in structure, low in manufacturing cost, convenient to maintain, long in service life and high in inflation efficiency.
In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that: coaxial no oily superhigh pressure compressor, including motor cabinet, motor, its characterized in that: the shaft of the motor is connected with an eccentric wheel through a bearing, the eccentric part of the eccentric wheel is connected with a second pin shaft through a bearing, the second pin shaft is connected with a connecting rod through a bearing, the other end of the connecting rod is connected with a first pin shaft through a bearing, the first pin shaft is connected with a concentric piston through a bearing, the outer ring of the concentric piston is provided with two third support rings, and the third support rings and the concentric piston are arranged in a concentric cylinder sleeve; the top parts of the concentric cylinder sleeve and the concentric piston are provided with concentric cylinder glands; a low-pressure cylinder sleeve is arranged on the concentric cylinder gland, and a low-pressure cylinder cover is arranged at the top of the low-pressure cylinder sleeve; the top of the concentric piston is connected with a plurality of connecting rods through threads, and the connecting rods penetrate through the concentric cylinder gland and are connected with the low-pressure piston; a choke plug is arranged at the gland part of the concentric cylinder, a second one-way valve is arranged above the choke plug, the upper part of the gland of the concentric cylinder is connected with a high-pressure cylinder sleeve through threads, and an O-shaped ring is arranged at the joint of the outer ring at the bottom of the high-pressure cylinder sleeve and the gland of the concentric cylinder; the low-pressure piston is connected with a high-pressure push rod through threads, the outer ring of the high-pressure push rod is arranged in a high-pressure cylinder sleeve, a second support ring is clamped between the high-pressure push rod and the high-pressure cylinder sleeve, a first check valve is arranged in a lower end hole of the high-pressure push rod, the lower end of the high-pressure push rod is connected with a piston copper head through threads, the high-pressure piston is sleeved on the high-pressure push rod above the piston copper head, and a first support ring is clamped in a groove in the. And a valve block is arranged in the low-pressure cylinder cover, and a separation blade is arranged between the valve block and the low-pressure cylinder cover.
Preferably: the high-pressure piston comprises a high-pressure piston ring and a plurality of first O-shaped rings, and the plurality of first O-shaped rings are tightly arranged between the high-pressure push rod and the high-pressure piston ring.
Preferably: and the low-pressure cylinder cover is provided with an air inlet.
Preferably: and a high-pressure air outlet is arranged on the concentric cylinder gland.
Preferably: the concentric cylinder gland, the concentric cylinder sleeve and the motor base are fastened together through connecting screws.
Preferably: the low-pressure cylinder cover, the low-pressure cylinder sleeve and the concentric cylinder gland are connected through screws.
Preferably: the second one-way valve is made of the following materials: polyether ether ketone; the first one-way valve is made of the following materials: silicon nitride ceramic balls.
Preferably: the high-pressure piston ring is made of the following materials: polytetrafluoroethylene.
Compared with the traditional structure: the motor is a single output shaft, only one eccentric wheel is needed, the low-pressure cylinder and the high-pressure cylinder are combined into a whole, coaxial compression is realized by low-pressure compression and high-pressure compression above the eccentric wheel, the structure is compact and reasonable, the size of the compressor is greatly reduced, the installation, the disassembly and the maintenance are very convenient, the low-pressure piston and the high-pressure piston can be replaced by only disassembling four screws on the low-pressure cylinder cover, the manufacturing cost is low, the service life is long, and the inflation efficiency is high.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view of B of FIG. 3;
FIG. 5 is an enlarged view taken at C of FIG. 3;
in the figure: 1. the novel hydraulic cylinder comprises a motor base, 2. a motor, 3. a concentric cylinder sleeve, 4. a concentric cylinder gland, 4-1. a high-pressure air outlet, 5. a connecting screw, 6. a low-pressure cylinder sleeve, 7. a low-pressure cylinder cover, 9. a connecting rod, 10. a first pin shaft, 11. a choke plug, 12. a connecting rod, 14. a first support ring, 15. a first O-shaped ring, 16. a high-pressure piston ring, 17. a second support ring, 18. a low-pressure piston lower cover, 19. a second O-shaped ring, 20. a valve plate, 21, a baffle plate, 22. a low-pressure piston upper cover, 23. a third O-shaped ring, 24. a low-pressure piston ring, 25. a high-pressure push rod, 26. a first check valve, 27. a piston copper head, 28. a screw, 29. a high-pressure cylinder sleeve, 30. a second check valve, 31. a third support ring, 32.
Detailed Description
The invention will be further explained with reference to the drawings.
In the figure: coaxial no oily superhigh pressure compressor, including motor cabinet 1, motor 2, its characterized in that: an eccentric wheel 34 is connected to a shaft of the motor 2 through a bearing, a second pin shaft 33 is connected to an eccentric position of the eccentric wheel 34 through a bearing, a connecting rod 9 is connected to the second pin shaft 33 through a bearing, the other end of the connecting rod 9 is connected with a first pin shaft 10 through a bearing, a concentric piston 32 is connected to the first pin shaft 10 through a bearing, two third supporting rings 31 are arranged on the outer ring of the concentric piston 32, and the third supporting rings 31 and the concentric piston 32 are arranged in the concentric cylinder sleeve 3; the top parts of the concentric cylinder sleeve 3 and the concentric piston 32 are provided with a concentric cylinder gland 4; a low-pressure cylinder sleeve 6 is arranged on the concentric cylinder gland 4, and a low-pressure cylinder cover 7 is arranged at the top of the low-pressure cylinder sleeve 6; the top of the concentric piston 32 is connected with a plurality of connecting rods 12 through threads, and the connecting rods 12 penetrate through the concentric cylinder gland 4 to be connected with the low-pressure piston; a choke plug 11 is arranged at the lower part of the concentric cylinder gland 4, a second one-way valve 30 is arranged above the choke plug 11, a high-pressure cylinder sleeve 29 is connected to the upper part of the concentric cylinder gland 4 through threads, and an O-shaped ring is arranged at the joint of the outer ring at the bottom of the high-pressure cylinder sleeve 29 and the concentric cylinder gland 4; the low-pressure piston is connected with a high-pressure push rod 25 through threads, the outer ring of the high-pressure push rod 25 is arranged in a high-pressure cylinder sleeve 29, a second support ring 17 is clamped between the high-pressure push rod 25 and the high-pressure cylinder sleeve 29, a first check valve 26 is arranged in a lower end hole of the high-pressure push rod 25, the lower end of the high-pressure push rod 25 is connected with a piston copper head 27 through threads, the high-pressure piston is sleeved on the high-pressure push rod 25 above the piston copper head 27, and a first support ring 14 is clamped in a groove in the lower. And a valve plate 20 is arranged in the low-pressure cylinder cover 7, and a baffle 21 is arranged between the valve plate 20 and the low-pressure cylinder cover 7. The high-pressure piston comprises a high-pressure piston ring 16 and a plurality of first O-shaped rings 15, and the plurality of first O-shaped rings 15 are tightly arranged between the high-pressure push rod 25 and the high-pressure piston ring 16. And an air inlet is formed in the low-pressure cylinder cover 7. The concentric cylinder gland 4 is provided with a high-pressure air outlet 4-1. The concentric cylinder gland 4, the concentric cylinder sleeve 3 and the motor base 1 are fastened together through a connecting screw 5. And the low-pressure cylinder cover 7 and the low-pressure cylinder sleeve 6 are connected with the concentric cylinder gland 4 through screws. The second check valve 30 is made of the following materials: polyether ether ketone; the first check valve 26 is made of the following materials: silicon nitride ceramic balls. The high-pressure piston ring 16 is made of the following materials: polytetrafluoroethylene.
According to the working principle, the motor drives an eccentric wheel 34, the eccentric wheel drives a concentric cylinder 32 to do vertical linear motion through a connecting rod 9, and a concentric piston drives a low-pressure piston and a high-pressure piston to do vertical linear motion through a plurality of connecting columns. When the low-pressure piston moves downwards, the inner valve plate 20 of the low-pressure cylinder cover 7 is opened to admit air, meanwhile, the inner valve plate 20 of the low-pressure piston is closed, the first one-way valve in the high-pressure piston is closed, and air is compressed in the high-pressure chamber; when the low-pressure piston moves upwards, the inner valve plate 20 of the low-pressure cylinder cover 7 is closed, the inner valve plate 20 of the low-pressure piston and the first one-way valve in the high-pressure piston are opened simultaneously, so that gas which originally enters the low-pressure gas chamber is compressed to the high-pressure gas chamber, and when the pressure of the gas reaches, the second one-way valve 30 is opened. The compressed gas circularly and repeatedly enters the gas storage cylinder from the high-pressure gas outlet 4-1.
In specific implementation, the first O-rings 15 are tightly arranged between the high-pressure push rod 25 and the high-pressure piston ring 16. When the high-pressure piston ring is worn, the first O-shaped ring inside supports the high-pressure piston ring outwards through elasticity, so that the high-pressure piston ring is in close contact with the high-pressure cylinder sleeve 29, the service life of the high-pressure piston is prolonged, and the service life of the high-pressure cylinder sleeve 29 is prolonged because the high-pressure piston ring is made of polytetrafluoroethylene. The valve plate 20 is arranged in the low-pressure cylinder cover 7, the blocking piece 21 is arranged between the valve plate 20 and the low-pressure cylinder cover 7, and the service life of the valve plate in the low-pressure cylinder cover is prolonged. According to the invention, through two-stage pressurization, the pressure of high-pressure gas output by cyclic compression is 0-40 Mpa, the inflation speed is effectively increased, the air cylinder is used for diving, fire fighting and outdoor sports, a fixed power supply is not required, a 12V power supply on an automobile can be used for inflating a small air cylinder, and the air cylinder is particularly portable and very suitable for being used outdoors by divers and firefighters.
The above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, but not intended to limit the scope of the present invention, and all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.

Claims (9)

1. Coaxial no oily superhigh pressure compressor, including motor cabinet (1), motor (2), its characterized in that: an eccentric wheel (34) is connected to a shaft of the motor (2) through a bearing, a second pin shaft (33) is connected to the eccentric position of the eccentric wheel (34) through a bearing, a connecting rod (9) is connected to the second pin shaft (33) through a bearing, the other end of the connecting rod (9) is connected with a first pin shaft (10) through a bearing, a concentric piston (32) is connected to the first pin shaft (10) through a bearing, two third supporting rings (31) are arranged on the outer ring of the concentric piston (32), and the third supporting rings (31) and the concentric piston (32) are arranged in the concentric cylinder sleeve (3); the top parts of the concentric cylinder sleeve (3) and the concentric piston (32) are provided with a concentric cylinder gland (4); a low-pressure cylinder sleeve (6) is arranged on the concentric cylinder gland (4), and a low-pressure cylinder cover (7) is arranged at the top of the low-pressure cylinder sleeve (6); the top of the concentric piston (32) is connected with a plurality of connecting rods (12) through threads, and the connecting rods (12) penetrate through the concentric cylinder gland (4) to be connected with the low-pressure piston; a choke plug (11) is arranged at the lower part of the concentric cylinder gland (4), a second one-way valve (30) is arranged above the choke plug (11), the upper part of the concentric cylinder gland (4) is connected with a high-pressure cylinder sleeve (29) through threads, and an O-shaped ring is arranged at the joint of the outer ring at the bottom of the high-pressure cylinder sleeve (29) and the concentric cylinder gland (4); the low-pressure piston is connected with a high-pressure push rod (25) through threads, the outer ring of the high-pressure push rod (25) is arranged in a high-pressure cylinder sleeve (29), a second support ring (17) is clamped between the high-pressure push rod (25) and the high-pressure cylinder sleeve (29), a first check valve (26) is arranged in a lower end hole of the high-pressure push rod (25), the lower end of the high-pressure push rod (25) is connected with a piston copper head (27) through threads, the high-pressure piston is sleeved on the high-pressure push rod (25) above the piston copper head (27), and a first support ring (14) is clamped in a groove in the lower portion.
2. A valve plate (20) is arranged in the low-pressure cylinder cover (7), and a baffle plate (21) is arranged between the valve plate (20) and the low-pressure cylinder cover (7).
3. The coaxial oil-free ultra high pressure compressor of claim 1, wherein: the high-pressure piston comprises a high-pressure piston ring (16) and a plurality of first O-shaped rings (15), and the plurality of first O-shaped rings (15) are tightly arranged between the high-pressure push rod (25) and the high-pressure piston ring (16).
4. The coaxial oil-free ultra high pressure compressor of claim 1, wherein: and the low-pressure cylinder cover (7) is provided with an air inlet.
5. The coaxial oil-free ultra high pressure compressor of claim 1, wherein: and a high-pressure air outlet (4-1) is arranged on the concentric cylinder gland (4).
6. The coaxial oil-free ultrahigh pressure compressor according to claim 1 or 4, characterized in that: the concentric cylinder gland (4), the concentric cylinder sleeve (3) and the motor base (1) are fastened together through connecting screws (5).
7. A coaxial oil-free ultra high pressure compressor as claimed in claim 1 or 2, wherein: the low-pressure cylinder cover (7) and the low-pressure cylinder sleeve (6) are connected with the concentric cylinder gland (4) through screws.
8. The coaxial oil-free ultra high pressure compressor of claim 1, wherein: the second one-way valve (30) is made of the following materials: polyether ether ketone; the first one-way valve (26) is made of the following materials: silicon nitride ceramic balls.
9. A coaxial oil-free ultra high pressure compressor as claimed in claim 1 or 2, wherein: the high-pressure piston ring (16) is made of the following materials: polytetrafluoroethylene.
CN202010297427.8A 2020-04-16 2020-04-16 Coaxial oil-free ultrahigh pressure compressor Pending CN111322225A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010297427.8A CN111322225A (en) 2020-04-16 2020-04-16 Coaxial oil-free ultrahigh pressure compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010297427.8A CN111322225A (en) 2020-04-16 2020-04-16 Coaxial oil-free ultrahigh pressure compressor

Publications (1)

Publication Number Publication Date
CN111322225A true CN111322225A (en) 2020-06-23

Family

ID=71169753

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010297427.8A Pending CN111322225A (en) 2020-04-16 2020-04-16 Coaxial oil-free ultrahigh pressure compressor

Country Status (1)

Country Link
CN (1) CN111322225A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113606109A (en) * 2021-08-10 2021-11-05 南通广兴气动设备有限公司 Three-stage high-pressure pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113606109A (en) * 2021-08-10 2021-11-05 南通广兴气动设备有限公司 Three-stage high-pressure pump
CN113606109B (en) * 2021-08-10 2022-09-16 南通广兴气动设备有限公司 Three-stage high-pressure pump

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