CN114876793A - Movable intelligent noise-reduction medical air compressor - Google Patents
Movable intelligent noise-reduction medical air compressor Download PDFInfo
- Publication number
- CN114876793A CN114876793A CN202210625468.4A CN202210625468A CN114876793A CN 114876793 A CN114876793 A CN 114876793A CN 202210625468 A CN202210625468 A CN 202210625468A CN 114876793 A CN114876793 A CN 114876793A
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- China
- Prior art keywords
- air
- control shaft
- sleeve
- air compressor
- intelligent noise
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Classifications
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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
- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/06—Implements for therapeutic treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
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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
-
- 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
- F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
-
- 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
- F04C29/06—Silencing
Abstract
The invention discloses a movable intelligent noise-reduction medical air compressor, which comprises an air compression system and a storage tank, wherein an air drying system is arranged on one side of the air compression system, the air drying system is connected with the air compression system through a pipeline, the air drying system is detachably arranged on an installation plate, a control box is arranged on one side of the air drying system, and the control box is detachably arranged on the installation plate.
Description
Technical Field
The invention belongs to the technical field of medical gas, and particularly relates to a movable intelligent noise-reducing medical air compressor.
Background
The medical air compressor mainly provides an adequate and clean air source for medical health care equipment needing the air source, and is suitable for dental treatment equipment, oxygen generator equipment, breathing machine equipment, medical pneumatic equipment and the like. Because the air compressor needs a plurality of places, one air compressor often needs to be frequently moved, and the air compressor needs a stable working environment when working normally; frequent movement and parking cause great burden on the wheels of the medical air compressor, and the service life of the wheels is low; and the medical air compressor is easy to generate noise when working.
Disclosure of Invention
In order to solve the above problems in the prior art, the present invention aims to provide a mobile intelligent noise reduction medical air compressor.
The technical scheme adopted by the invention is as follows:
a movable intelligent noise-reduction medical air compressor comprises an air compression system and a storage tank, wherein one side of the air compression system is provided with an air drying system, the air drying system is connected with the air compression system through a pipeline, the air drying system is detachably mounted on a mounting plate, one side of the air drying system is provided with a control box, the control box is detachably mounted on the mounting plate, one side of the control box is provided with an air filtering system, the air filtering system is detachably mounted on the mounting plate, the air filtering system is connected with the air compression system through a pipeline, the mounting plate is fixedly arranged on a base, the air compression system is detachably mounted on the base, one side of the air compression system is provided with the storage tank, and the storage tank is detachably mounted on the base, the storage tank is connected with the air filtering system through a pipeline; a plurality of supporting wheels are detachably mounted at one end of the base.
Preferably, an oil-free scroll compressor is provided in the air compression system.
Preferably, the air filtering system can remove water, oil mist and solid particles; the air filtration system can remove particles with a particle size greater than 0.01 μm; the air filtering system can control the oil mist concentration to be less than 0.01 ppm; the filtration efficiency of the air filtration system is greater than 99.9%.
Preferably, the air drying system is a heatless regenerative adsorption dryer, and the air drying system uses molecular force on the surface of the porous solid substance to absorb moisture in the gas to obtain compressed air with low dew point; the standard dew point for normal operation of the air drying system is-40 ℃.
Preferably, a pipeline is arranged at one end of the storage tank, a plurality of valves are arranged on the pipeline connecting the air drying system, the air compression system, the air filtering system, the storage tank and one end of the storage tank, and the valves comprise a switch valve, a throttle valve, a pressure regulating valve and a check valve.
Preferably, the base is internally provided with an accommodating space, a sliding groove is fixedly arranged on the inner wall of one side of the accommodating space, a sleeve is arranged in the sliding groove in a sliding manner, one side of the sleeve is provided with a control shaft, the control shaft penetrates through the base, the control shaft and the base can rotate and slide, and one end of the control shaft, which is positioned outside the accommodating space, is rotatably provided with the supporting wheel.
Preferably, a spring is arranged on the outer side of the control shaft, the spring is wrapped on the control shaft, one end of the spring is fixedly connected with the inner wall of one side of the accommodating space, and the other end of the spring is fixedly connected with the sleeve.
Preferably, a plurality of wave grooves are formed in the sleeve, and wave ribs matched with the wave grooves are arranged outside the control shaft; the wave groove is positioned at one end of the sleeve far away from the control shaft, and the inner wall of one end of the sleeve close to the control shaft is smooth; the wave rib is located the control shaft is kept away from telescopic one end, the control shaft is close to telescopic one end outside is smooth.
Preferably, a plurality of sleeves are arranged in the arrangement space, the number of the sliding grooves, the number of the sleeves, the number of the control shafts and the number of the springs are the same as that of the supporting wheels, the sleeves correspond to the supporting wheels one by one, the sleeves are detachably mounted on a linkage frame respectively, one side of the linkage frame is provided with the sleeves, the sleeves are detachably mounted on the inner wall of one side of the arrangement space, and one end of the sleeves is controlled and fixedly connected with the linkage frame.
Preferably, the fixed angle of any one of the sleeves is different from the fixed angle of the other sleeves adjacent to the sleeve in the vertical direction; specifically a ninety degree difference.
The invention has the beneficial effects that: the movable intelligent noise-reduction medical air compressor can continuously supply air through a modular design, is safer, more stable and more reliable, monitors and calculates according to the system pressure, automatically controls the starting or stopping of a single unit, a single group or all units, automatically balances the system pressure, and enables an air source to be more stable and supply air safely. Each unit in the units can be automatically put into operation one by one, each unit automatically and alternately operates, and the safe and stable operation of the units under any environment can be ensured through design change, parameter adjustment, optimal control and other modes; compared with the traditional medical air compressor, the medical air compressor can consume the vibration generated by the oil-free scroll compressor through the friction between the supporting wheel and the ground, thereby effectively reducing the noise generated by the oil-free scroll compressor, and meanwhile, the supporting wheel on the base can flexibly adjust the angle to meet the requirements of movement and parking.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the base of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the sleeve of FIG. 2 according to the present invention;
FIG. 4 is a schematic top view of the FIG. 1 structure of the present invention;
fig. 5 is a schematic view of another state structure of fig. 4 according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a specific embodiment of the present invention is described, wherein a mobile intelligent noise-reducing medical air compressor comprises an air compression system 15 and a storage tank 16, an air drying system 14 is disposed on one side of the air compression system 15, the air drying system 14 is connected to the air compression system 15 through a pipeline, the air drying system 14 is detachably mounted on a mounting plate 12, a control box 13 is disposed on one side of the air drying system 14, the control box 13 is detachably mounted on the mounting plate 12, an air filtering system 17 is disposed on one side of the control box 13, the air filtering system 17 is detachably mounted on the mounting plate 12, the air filtering system 17 is connected to the air compression system 15 through a pipeline, the mounting plate 12 is fixedly disposed on a base 11, the air compression system 15 is detachably mounted on the base 11, a storage tank 16 is arranged on one side of the air compression system 15, the storage tank 16 is detachably mounted on the base 11, and the storage tank 16 is connected with the air filtration system 17 through a pipeline; a plurality of supporting wheels 27 are detachably mounted at one end of the base 11.
Advantageously, an oil-free scroll compressor is provided within the air compression system 15.
Advantageously, the air filtration system 17 can remove water, oil mist, solid particles; the air filtration system 17 can remove particles having a particle size greater than 0.01 μm; the air filtration system 17 can control the oil mist concentration to be less than 0.01 ppm; the filtration efficiency of the air filtration system 17 is higher than 99.9%.
Advantageously, the air drying system 14 is a heatless regenerative adsorption dryer, and the air drying system 14 uses the molecular force of the surface of the porous solid substance to extract the moisture in the gas, so as to obtain the compressed air with low dew point; the standard dew point for normal operation of the air drying system 14 is-40 ℃.
Advantageously, the storage tank 16 is provided at one end thereof with a pipe, and a plurality of valves including a switching valve, a throttle valve, a pressure regulating valve and a check valve are provided on the pipe connecting the air drying system 14, the air compression system 15, the air filtration system 17, the storage tank 16 and one end of the storage tank 16.
Advantageously, a setting space 24 is provided inside the base 11, a sliding groove 22 is fixedly provided on an inner wall of one side of the setting space 24, a sleeve 23 is slidably provided in the sliding groove 22, a control shaft 25 is provided on one side of the sleeve 23, the control shaft 25 penetrates through the base 11, the control shaft 25 and the base 11 can rotate and slide, and the support wheel 27 is rotatably provided at one end of the control shaft 25 located outside the setting space 24.
Advantageously, a spring 26 is arranged outside the control shaft 25, the spring 26 is wrapped on the control shaft 25, one end of the spring 26 is fixedly connected with the inner wall of one side of the accommodating space 24, and the other end of the spring 26 is fixedly connected with the sleeve 23.
Advantageously, a plurality of wave grooves 29 are arranged inside the sleeve 23, and wave ribs matched with the wave grooves 29 are arranged outside the control shaft 25; the wave groove 29 is positioned at one end of the sleeve 23 far away from the control shaft 25, and the inner wall of one end of the sleeve 23 close to the control shaft 25 is smooth; the wavy ribs are positioned at one end of the control shaft 25 far away from the sleeve 23, and the outer side of one end of the control shaft 25 close to the sleeve 23 is smooth.
Advantageously, a plurality of sleeves 23 are arranged in the accommodating space 24, the number of the sliding grooves 22, the number of the sleeves 23, the number of the control shafts 25 and the number of the springs 26 are the same as that of the supporting wheels 27, and the sleeves 23 are detachably mounted on a linkage frame 28 respectively, one side of the linkage frame 28 is provided with an 18, the 18 is detachably mounted on the inner wall of one side of the accommodating space 24, one end of the 18 is controlled with a 19, and the 19 is fixedly connected with the linkage frame 28.
Advantageously, there is a ninety degree difference between the fixed angle of any one of the sleeves 23 and the remainder of the sleeves 23 adjacent to it in the vertical direction.
The use method of the invention comprises the following steps:
in the initial state, the control shaft 25 is in the normal state, and the control shaft 18 and the control shaft 19 are in the contracted state.
The invention under this state, can move freely, the supporting wheel 27 and rotatable control shaft 25 of the bottom are equivalent to the universal wheel, can promote the invention to move easily by external power or manpower, the supporting wheel 27 is forced to swing along with moving direction in the course of moving;
in the process, if the control shaft moves on the uneven bottom surface, the control shaft 25 and the sleeve 23 can move axially, and the control shaft 25 can slide to retract into the sleeve 23, so that the invention can move more stably.
After the invention moves to the designated position, when the invention does not need to move any more, the control device 18 is started to control the extension of the linkage frame 19, the linkage frame 28 is driven by the control device 19 to move, all the sleeves 23 move together with the linkage frame 28, and the sleeves 23 slide along the sliding grooves 22;
in the process, the spring 26 is compressed, most of the control shaft 25 is retracted into the sleeve 23, the wave groove 29 is matched with the wave rib while the control shaft 25 is retracted, so that the control shaft 25 is forced to rotate by a certain angle, and the rotation angles of the control shafts 25 and the supporting wheels 27 are different due to different fixing positions of the sleeves 23, so that the supporting wheels 27 form the posture shown in the figure 5.
When the oil-free scroll compressor does not move and enters a normal working state, the small-amplitude vibration generated by the oil-free scroll compressor can cause the base 11 to vibrate with small amplitude relative to the ground, the control shaft 25 and the sleeve 23 slide in the vibration process, the sliding range of the control shaft 25 is in a controllable range under the action of the spring 26, the control shaft 25 rotates under the matching of the wave groove 29 and the wave rib when sliding, the support wheel 27 rotates with the control shaft 25 with small amplitude, the rotation needs to overcome the friction work of the ground, so that the energy generated by the vibration is consumed, and the purpose of reducing the noise is achieved.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (10)
1. The utility model provides a medical air compressor of making an uproar falls in portable intelligent which characterized in that: comprises an air compression system and a storage tank, wherein one side of the air compression system is provided with an air drying system, the air drying system is connected with the air compression system through a pipeline, the air drying system is detachably arranged on the mounting plate, one side of the air drying system is provided with a control box which is detachably arranged on the mounting plate, an air filtering system is arranged on one side of the control box and is detachably arranged on the mounting plate, the air filtering system is connected with the air compression system through a pipeline, the mounting plate is fixedly arranged on the base, the air compression system is detachably arranged on the base, one side of the air compression system is provided with a storage tank, the storage tank is detachably mounted on the base and is connected with the air filtering system through a pipeline; a plurality of supporting wheels are detachably mounted at one end of the base.
2. The mobile intelligent noise-reducing medical air compressor as claimed in claim 1, wherein: an oil-free scroll compressor is arranged in the air compression system.
3. The mobile intelligent noise-reducing medical air compressor as claimed in claim 1, wherein: the air filtering system can remove water, oil mist and solid particles; the air filtration system can remove particles with a particle size greater than 0.01 μm; the air filtering system can control the oil mist concentration to be less than 0.01 ppm; the filtration efficiency of the air filtration system is greater than 99.9%.
4. The mobile intelligent noise-reducing medical air compressor as claimed in claim 1, wherein: the air drying system is a heatless regeneration adsorption dryer, and the air drying system absorbs moisture in gas by utilizing the molecular force of the surface of the porous solid substance to obtain compressed air with low dew point; the standard dew point for normal operation of the air drying system is-40 ℃.
5. The mobile intelligent noise-reducing medical air compressor as claimed in claim 1, wherein: the one end of holding vessel is equipped with the pipeline, connects be equipped with a plurality of valves on the pipeline of air drying system, air compression system, air filtration system, holding vessel and holding vessel one end, the valve includes ooff valve, choke valve, air-vent valve and check valve.
6. The mobile intelligent noise-reducing medical air compressor as claimed in claim 1, wherein: the base is inside to be equipped with the arrangement space, the fixed spout that is equipped with on one side inner wall of arrangement space, it is equipped with the sleeve to slide in the spout, telescopic one side is equipped with the control shaft, the control shaft runs through the base, the control shaft with can rotate and slide between the base, the control shaft is located the one end in the arrangement space outside is rotated and is equipped with the supporting wheel.
7. The mobile intelligent noise-reducing medical air compressor as claimed in claim 6, wherein: the control shaft outside is equipped with the spring, the spring cladding is in on the control shaft, the one end of spring with one side inner wall fixed connection in arrangement space, the other end of spring with sleeve fixed connection.
8. The mobile intelligent noise-reducing medical air compressor as claimed in claim 7, wherein: a plurality of wave grooves are formed in the sleeve, and wave ribs matched with the wave grooves are arranged outside the control shaft; the wave groove is positioned at one end of the sleeve far away from the control shaft, and the inner wall of one end of the sleeve close to the control shaft is smooth; the wave rib is located the control shaft is kept away from telescopic one end, the control shaft is close to telescopic one end outside is smooth.
9. The mobile intelligent noise-reducing medical air compressor as claimed in claim 8, wherein: be equipped with a plurality of sleeves in the arrangement space, the quantity of spout, sleeve, control shaft and spring with the same and the one-to-one of quantity of supporting wheel is a plurality of the sleeve is demountable installation respectively on the linkage frame, one side of linkage frame is equipped with, demountable installation is in on one side inner wall of arrangement space, one end control system, with linkage frame fixed connection.
10. The mobile intelligent noise-reducing medical air compressor as claimed in claim 9, wherein: the fixed angle of any one sleeve and the other sleeves adjacent to the sleeve in the vertical direction is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210625468.4A CN114876793B (en) | 2022-06-02 | 2022-06-02 | Portable intelligent medical air compressor that makes an uproar that falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210625468.4A CN114876793B (en) | 2022-06-02 | 2022-06-02 | Portable intelligent medical air compressor that makes an uproar that falls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114876793A true CN114876793A (en) | 2022-08-09 |
| CN114876793B CN114876793B (en) | 2023-08-18 |
Family
ID=82679921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210625468.4A Active CN114876793B (en) | 2022-06-02 | 2022-06-02 | Portable intelligent medical air compressor that makes an uproar that falls |
Country Status (1)
| Country | Link |
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| CN (1) | CN114876793B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110060990A (en) * | 2009-12-01 | 2011-06-09 | 김윤규 | Air compressor |
| CN104088788A (en) * | 2014-07-31 | 2014-10-08 | 福州固力工业成套设备有限公司 | Full-performance screw air compressor all-in-one machine |
| CN106194733A (en) * | 2015-04-29 | 2016-12-07 | 中国能源建设集团广东省电力设计研究院有限公司 | Compressor anti-corrosion system and anti-corrosion method thereof |
| CN206352577U (en) * | 2016-12-26 | 2017-07-25 | 山东宏润空压机科技有限公司 | Jing Yin oil-free scroll formula air compressor |
| CN208194053U (en) * | 2018-02-05 | 2018-12-07 | 海南博大药业有限公司 | A kind of compressed air system |
| CN208546308U (en) * | 2018-05-31 | 2019-02-26 | 珠海市奥吉赛科技有限公司 | Medical air compressor system |
| CN209294048U (en) * | 2018-12-13 | 2019-08-23 | 中山铭科压缩机有限公司 | A kind of permanent-magnetic variable-frequency low-pressure screw air compressor machine |
| CN111734640A (en) * | 2020-06-18 | 2020-10-02 | 德耐尔节能科技（上海）股份有限公司 | Air heat load recovery system of dry-type oilless air compressor |
| CN212867922U (en) * | 2020-08-24 | 2021-04-02 | 青岛山森机械有限公司 | Novel air compressor's air inlet structure |
| CN214998074U (en) * | 2021-05-31 | 2021-12-03 | 沈阳伟纳通用设备有限公司 | Air compressor for nitrogen production |
-
2022
- 2022-06-02 CN CN202210625468.4A patent/CN114876793B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110060990A (en) * | 2009-12-01 | 2011-06-09 | 김윤규 | Air compressor |
| CN104088788A (en) * | 2014-07-31 | 2014-10-08 | 福州固力工业成套设备有限公司 | Full-performance screw air compressor all-in-one machine |
| CN106194733A (en) * | 2015-04-29 | 2016-12-07 | 中国能源建设集团广东省电力设计研究院有限公司 | Compressor anti-corrosion system and anti-corrosion method thereof |
| CN206352577U (en) * | 2016-12-26 | 2017-07-25 | 山东宏润空压机科技有限公司 | Jing Yin oil-free scroll formula air compressor |
| CN208194053U (en) * | 2018-02-05 | 2018-12-07 | 海南博大药业有限公司 | A kind of compressed air system |
| CN208546308U (en) * | 2018-05-31 | 2019-02-26 | 珠海市奥吉赛科技有限公司 | Medical air compressor system |
| CN209294048U (en) * | 2018-12-13 | 2019-08-23 | 中山铭科压缩机有限公司 | A kind of permanent-magnetic variable-frequency low-pressure screw air compressor machine |
| CN111734640A (en) * | 2020-06-18 | 2020-10-02 | 德耐尔节能科技（上海）股份有限公司 | Air heat load recovery system of dry-type oilless air compressor |
| CN212867922U (en) * | 2020-08-24 | 2021-04-02 | 青岛山森机械有限公司 | Novel air compressor's air inlet structure |
| CN214998074U (en) * | 2021-05-31 | 2021-12-03 | 沈阳伟纳通用设备有限公司 | Air compressor for nitrogen production |
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| Publication number | Publication date |
|---|---|
| CN114876793B (en) | 2023-08-18 |
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