CN114013621B - Gravity balance system for ship ventilation - Google Patents
Gravity balance system for ship ventilation Download PDFInfo
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- CN114013621B CN114013621B CN202111426790.6A CN202111426790A CN114013621B CN 114013621 B CN114013621 B CN 114013621B CN 202111426790 A CN202111426790 A CN 202111426790A CN 114013621 B CN114013621 B CN 114013621B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
- B63J2/10—Ventilating-shafts; Air-scoops
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Control Of Fluid Pressure (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention provides a gravity balance system for ship ventilation, which comprises a damper main body, wherein one end of the damper main body is connected with a first sealing device, the other end of the damper main body is connected with a second sealing device, the damper main body is connected with an air inlet pipe through the first sealing device, and is connected with an air outlet pipe through the second sealing device; the structure of the first sealing device is the same as that of the second sealing device, the first sealing device comprises a flange assembly arranged between the air inlet end of the air brake main body and the air outlet end of the air inlet pipe, a first sealing sleeve sleeved outside the flange assembly, and a magnetic attraction fixing assembly arranged between the inside of the first sealing sleeve and the outside of the flange assembly, and a gas transmission assembly is arranged outside the first sealing sleeve. The invention can timely monitor and process the air leakage of the air brake main body so as to influence the working efficiency of the air brake main body due to the air leakage.
Description
Technical Field
The invention mainly relates to the technical field of ship air brakes, in particular to a gravity balance system for ship ventilation.
Background
Due to the special sailing condition of the ship, the gravity balance air brake is often used for discharging the high-temperature air in the cabin and inputting fresh cold air.
As known from the patent document CN201810337439.1, a gravity balance damper for ventilation of ships comprises: blade screw, water injection square chest, pneumatic solenoid valve, manual switch board, mechanical switch valve, the roller ring, the damper housing, the blade pivot pole, the gate blade, the ventilation column casing, the top of mechanical switch valve passes through roller ring and manual switch board mechanical connection, this mechanical switch valve is equipped with pinion rack single push device, ratchet traction device, drive belt link gear, the spring buffering frame, chain belt is to top device, axostylus axostyle transport mechanism, pressure drop jar support, connecting rod pulling mechanism, the automatic switch effect of the gravity balance damper that has realized boats and ships ventilation is strong, the dynamics that boats and ships were sailed and gravity are rocked, can utilize mechanical transmission to go from independent control switch, adjust the damper wind-guiding, balanced navigation's pendulum power, make the more steady navigation behind the boats and ships ventilation, also promote the automatic regulating switch of damper, the potential safety hazard of manual operation has been avoided.
Above-mentioned gravity balance air brake can utilize mechanical transmission to go from the main control switch, adjusts the air valve wind-guiding, balanced navigation's swing power, but traditional air brake reaches sealed effect only through flange cooperation sealing washer, but after the air brake long-time work, produces the dislocation between easy and the tuber pipe, influences the work of air brake.
Disclosure of Invention
The invention mainly provides a gravity balance system for ship ventilation, which is used for solving the technical problems in the background technology.
The technical scheme adopted for solving the technical problems is as follows:
the gravity balance system for ship ventilation comprises a damper main body, wherein one end of the damper main body is connected with a first sealing device, the other end of the damper main body is connected with a second sealing device, the damper main body is connected with an air inlet pipe through the first sealing device, and is connected with an air outlet pipe through the second sealing device;
the structure of the first sealing device is the same as that of the second sealing device, the first sealing device comprises a flange component arranged between the air inlet end of the air brake main body and the air outlet end of the air inlet pipe, a first sealing sleeve sleeved outside the flange component, and a magnetic attraction fixing component arranged between the inside of the first sealing sleeve and the outside of the flange component, and a gas transmission component is arranged outside the first sealing sleeve;
the first sealing sleeve comprises a first sleeve ring sleeved on the outer surface of the air inlet end of the air brake main body and a second sleeve ring sleeved on the outer surface of the air inlet pipe, and the first sleeve ring and the second sleeve ring are connected through a fixing pin;
the gas transmission assembly comprises a gas one-way valve arranged on the outer surface of the second sleeve ring and a gas inlet hose connected with the gas outlet end of the gas one-way valve, and one end, far away from the gas one-way valve, of the gas inlet hose extends to the inside of the air inlet pipe.
Further, the flange assembly comprises a first flange arranged at the air inlet end of the air brake main body and a second flange arranged at one end of the air inlet pipe, which is close to the air brake main body, the first flange and the second flange are connected through a fixing pin, and a sealing ring is arranged between the first flange and the second flange.
Further, the gas transmission assembly further comprises a first barometer arranged on the outer surface of the second sleeve ring and a controller electrically connected with the first barometer, the controller is arranged on the outer surface of the air brake main body, and the first barometer is connected with the controller through a wire, so that when the change exceeds a threshold value set in the controller, the air pump and the electromagnetic valve connected with the air pump are controlled to work through the controller in time.
Further, the second sealing device further comprises a second sealing sleeve arranged outside the air outlet end of the air brake main body, and an air supply assembly connected with the second sealing sleeve, wherein the air supply assembly comprises a first high-pressure air release valve arranged on the outer surface of the first sealing sleeve, and an air delivery pipe connected with the air outlet end of the first high-pressure air release valve, one end, far away from the first high-pressure air release valve, of the air delivery pipe extends to the inside of the second sealing sleeve, and high-pressure air exceeding a threshold value enters the air delivery pipe through the first high-pressure air release valve and finally enters the second sealing sleeve to supplement air for the second sealing sleeve.
Further, the second sealing device further comprises a second high-pressure air release valve arranged outside the second sealing sleeve and a second hose connected with the air outlet end of the second high-pressure air release valve, the air outlet end of the second hose extends to the inside of the air outlet pipe, and high-pressure air flows into the inside of the air outlet pipe through the second sealing sleeve, so that the high-pressure air is prevented from accumulating in the inside of the second sealing sleeve while the air outlet pipe is supplemented, and the use of the second sealing sleeve is affected.
Further, the first sealing sleeve further comprises a spiral guide rail strip fixed on the inner surface of the first sleeve ring, and the high-pressure gas pushes low-pressure gas inside the air inlet pipe to flow along the spiral guide rail strip so as to prevent the gas from flowing out.
Further, the magnetic attraction fixing assembly comprises a first fixing column arranged on the inner surface of the first sleeve ring and a second fixing column arranged on the inner surface of the second sleeve ring, electromagnets are fixed at one ends of the first fixing column and the second fixing column, the electromagnets are electrically connected with the controller, and the second fixing column is attracted to the first sleeve ring through the electromagnets to pull the first sleeve ring and the second sleeve ring to approach each other.
Further, the magnetic fixing assembly further comprises a reed pipe penetrating through the first sleeve ring shell, the input end of the reed pipe is connected with the controller, the output end of the reed pipe is connected with the air pump, the controller is communicated with the air pump through the reed pipe, and the air pump is connected with the first sealing sleeve through a hose, so that air is rapidly supplemented for the first sealing sleeve.
Further, the outer surfaces of the air inlet pipe and the air outlet pipe are connected with second barometers, the air pressure of the air in the air inlet pipe and the air outlet pipe is monitored through the second barometers, and the second barometers are connected with the controller through wires, so that the controller can timely control the air pump to supplement air for the first sealing sleeve.
Further, the air delivery assembly further comprises an electromagnetic valve arranged on the outer surface of the air inlet pipe, and a third hose connected with the electromagnetic valve, wherein the third hose extends to the inside of the second sleeve ring, and air in the air inlet pipe can enter the first sealing sleeve to supplement air for the first sealing sleeve.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the invention can timely monitor and process the air leakage of the air brake main body so that the air brake main body affects the working efficiency due to the air leakage, and specifically comprises the following steps: the inside of the first sealing sleeve is changed due to leakage between the air brake main body and the air inlet pipe, the first barometer monitors the air pressure condition inside the first sealing sleeve in real time, and high-pressure air entering the first sealing sleeve advances along a track formed by the spiral guide rail strips so as to push low-pressure air inside the air inlet pipe to flow through the high-pressure air, so that the air is prevented from flowing into the first sealing sleeve.
Secondly, when the air leakage of the air brake main body is that the first fixing column adsorbs the second sleeve ring through the electromagnet, the second fixing column adsorbs the first sleeve ring through the electromagnet to pull the first sleeve ring to be close to each other with the second sleeve ring, thereby utilize the first sleeve ring and the second sleeve ring that are close to each other to promote the first flange to be close to each other with the second flange, and then reduce the gap between air brake main body and air-supply line, the play tuber pipe.
The invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an isometric view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is an exploded view of the first seal device of the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a front view of the present invention;
fig. 8 is a cross-sectional view taken along line B-B in fig. 7.
In the figure: 10. a damper main body; 20. a first sealing device; 21. a flange assembly; 211. a first flange; 212. a second flange; 22. a first sealing sleeve; 221. a first sleeve ring; 222. a second sleeve ring; 223. a fixing pin; 23. a magnetic fixing component; 231. a first fixing column; 232. a second fixing column; 233. an electromagnet; 234. a reed pipe; 24. a gas delivery assembly; 241. a gas check valve; 242. an air intake hose; 243. a first barometer; 244. a controller; 245. an electromagnetic valve; 246. a third hose; 30. a second sealing device; 31. a second sealing sleeve; 32. a gas supply assembly; 33. a second high pressure bleed valve; 34. a second hose; 40. an air inlet pipe; 50. and (5) an air outlet pipe.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will be rendered by reference to the appended drawings, in which several embodiments of the invention are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this invention belongs, and the knowledge of terms used in the description of this invention herein for the purpose of describing particular embodiments is not intended to limit the invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-8, a gravity balance system for ventilation of a ship includes a damper main body 10, wherein one end of the damper main body 10 is connected with a first sealing device 20, the other end of the damper main body 10 is connected with a second sealing device 30, the damper main body 10 is connected with an air inlet pipe 40 through the first sealing device 20, and is connected with an air outlet pipe 50 through the second sealing device 30;
the first sealing device 20 and the second sealing device 30 have the same structure, the first sealing device 20 comprises a flange assembly 21 arranged between an air inlet end of the air brake main body 10 and an air outlet end of the air inlet pipe 40, a first sealing sleeve 22 sleeved outside the flange assembly 21, and a magnetic fixing assembly 23 arranged between the inside of the first sealing sleeve 22 and the outside of the flange assembly 21, and a gas transmission assembly 24 is arranged outside the first sealing sleeve 22;
the first sealing sleeve 22 comprises a first sleeve ring 221 sleeved on the outer surface of the air inlet end of the air brake main body 10, and a second sleeve ring 222 sleeved on the outer surface of the air inlet pipe 40, and the first sleeve ring 221 and the second sleeve ring 222 are connected through a fixing pin 223;
the gas delivery assembly 24 includes a gas check valve 241 mounted on the outer surface of the second sleeve ring 222, and a gas inlet hose 242 connected to the gas outlet end of the gas check valve 241, wherein the end of the gas inlet hose 242 away from the gas check valve 241 extends into the air inlet pipe 40.
Specifically, referring to fig. 3 and 4, the flange assembly 21 includes a first flange 211 installed at the air inlet end of the air brake main body 10, and a second flange 212 installed at one end of the air inlet pipe 40 near the air brake main body 10, wherein the first flange 211 and the second flange 212 are connected by a fixing pin 223, and a sealing ring is disposed between the first flange 211 and the second flange 212;
in the present embodiment, the air inlet end of the air brake main body 10 is butted with the air outlet end of the air inlet pipe 40 by the butt joint of the first flange 211 and the second flange 212, and the first flange 211 and the second flange 212 are aligned with the first sleeve ring 221 and the second sleeve ring 222 which are also connected by the fixing pin 223 due to the connection between the first flange 211 and the second flange 212 by the fixing pin 223.
Specifically, please refer to fig. 2, 3 and 4, the air supply assembly 24 further includes a first air pressure gauge 243 mounted on the outer surface of the second sleeve ring 222, and a controller 244 electrically connected to the first air pressure gauge 243, the controller 244 is mounted on the outer surface of the damper main body 10, the second sealing device 30 further includes a second sealing sleeve 31 mounted on the outer portion of the air outlet end of the damper main body 10, and an air supply assembly 32 connected to the second sealing sleeve 31, the air supply assembly 32 includes a first high pressure air release valve 321 mounted on the outer surface of the first sealing sleeve 22, and an air pipe 322 connected to the air outlet end of the first high pressure air release valve 321, one end of the air pipe 322 far from the first high pressure air release valve 321 extends into the interior of the second sealing sleeve 31, the second sealing device 30 further includes a second high pressure air release valve 33 mounted on the outer portion of the second sealing sleeve 31, and a second air supply assembly 32 connected to the second sealing sleeve 31, the second air outlet end 34 connected to the second high pressure air release end extends into the first air guide hose 50, and the second air guide hose 34 connected to the inner portion of the first high pressure air release sleeve 22 extends into the air guide hose 50;
in the present embodiment, the air pressure condition inside the first sealing sleeve 22 is monitored in real time by the first air pressure gauge 243, and the air pump and the electromagnetic valve 245 connected with the first sealing sleeve 22 are controlled to operate in time by the controller 244 when the air pressure inside the first sealing sleeve 22 is changed due to leakage between the damper main body 10 and the air inlet pipe 40, and the first air pressure gauge 243 is connected with the controller 244 through a wire, so that the air pressure exceeds a threshold value set in the controller 244;
further, after the high-pressure gas in the first sealing sleeve 22 exceeds the threshold value of the first high-pressure air release valve 321, the high-pressure air exceeding the threshold value enters the gas pipe 322 through the first high-pressure air release valve 321 and finally enters the second sealing sleeve 31 to supplement the air for the second sealing sleeve 31;
further, when the high-pressure gas in the second sealing sleeve 31 exceeds the threshold value of the second high-pressure air release valve 33, the high-pressure gas flows into the air outlet pipe 50 through the second sealing sleeve 31, so that the air outlet pipe 50 is supplemented, and meanwhile, the high-pressure gas is prevented from accumulating in the second sealing sleeve 31 to influence the use of the second sealing sleeve 31;
further, the high pressure gas entering the first sealing sleeve 22 is made to advance along the track formed by the spiral guide rail 224, and finally flows along the gap between the first flange 211 and the second flange 212 caused by dislocation, so that the low pressure gas inside the air inlet pipe 40 is pushed by the high pressure gas to flow, and the gas is prevented from flowing out.
Specifically, referring to fig. 3 and 4, the magnetic fixing assembly 23 includes a first fixing column 231 installed on the inner surface of the first sleeve ring 221, a second fixing column 232 installed on the inner surface of the second sleeve ring 222, an electromagnet 233 fixed at one end of each of the first fixing column 231 and the second fixing column 232, the electromagnet 233 being electrically connected to the controller 244, a reed pipe 234 penetrating through the casing of the first sleeve ring 221, an input end of the reed pipe 234 being connected to the controller 244, an output end being connected to an air pump, the outer surfaces of the air inlet pipe 40 and the air outlet pipe 50 being connected to a second barometer 41, the air delivery assembly 24 further includes an electromagnetic valve 245 installed on the outer surface of the air inlet pipe 40, and a third hose 246 connected to the electromagnetic valve 245, the third hose 246 extending to the inside of the second sleeve ring 222;
it should be noted that, in the present embodiment, the first sleeve ring 221 provides support for the electromagnet 233 through the first fixing post 231, the second sleeve ring 222 provides support for the electromagnet 233 through the second fixing post 232, the first fixing post 231 adsorbs the second sleeve ring 222 through the electromagnet 233, and the second fixing post 232 adsorbs the first sleeve ring 221 through the electromagnet 233 to pull the first sleeve ring 221 and the second sleeve ring 222 to approach each other;
further, when the electromagnet 233 is energized, that is, leakage occurs between the air inlet pipe 40, the air outlet pipe 50 and the air brake main body 10, the controller 244 is communicated with the air pump through the reed pipe 234, the air pump is connected with the first sealing sleeve 22 through a hose, so that air is rapidly supplemented to the first sealing sleeve 22, and the air pump can be connected with the second sealing sleeve 31, so that air is supplemented to the second sealing sleeve 31;
further, the air pressure of the air in the air inlet pipe 40 and the air outlet pipe 50 is monitored by the second barometer 41, and the second barometer 41 is connected with the controller 244 by a wire, so that the controller 244 can timely control the air pump to supplement the air for the first sealing sleeve 22, so as to maintain the air pressure difference between the inside of the first sealing sleeve 22 and the inside of the air inlet pipe 40;
further, since the controller 244 is connected with the electromagnetic valve 245 through a wire, the controller 244 controls the electromagnetic valve 245 to be opened, and the air inlet end of the electromagnetic valve 245 is connected with the air inlet pipe 40, so that the air in the air inlet pipe 40 can enter the first sealing sleeve 22, and the air is supplemented to the first sealing sleeve 22.
The specific operation mode of the invention is as follows:
when the air brake main body 10 is separated from the air inlet pipe 40 and the air outlet pipe 50 due to vibration generated during operation, and leakage occurs, the interior of the first sealing sleeve 22 is changed due to the leakage between the air brake main body 10 and the air inlet pipe 40, the air pressure condition in the interior of the first sealing sleeve 22 is monitored in real time through the first air pressure gauge 243, and the first air pressure gauge 243 is connected with the controller 244 through a wire, so that when the change exceeds the threshold value set in the controller 244, the air pump and the electromagnetic valve 245 connected with the air pump are controlled to operate through the controller 244 in time;
air in the air inlet pipe 40 enters the first sealing sleeve 22 through the air check valve 241, high-pressure air entering the first sealing sleeve 22 advances along a track formed by the spiral guide rail strips 224 and finally flows along a gap between the first flange 211 and the second flange 212 caused by dislocation so as to push low-pressure air in the air inlet pipe 40 to flow through the high-pressure air, and the air is prevented from flowing out;
the first fixing column 231 adsorbs the second sleeve ring 222 through the electromagnet 233, and the second fixing column 232 adsorbs the first sleeve ring 221 through the electromagnet 233 to pull the first sleeve ring 221 and the second sleeve ring 222 to approach each other, so that the first sleeve ring 221 and the second sleeve ring 222 which approach each other are utilized to push the first flange 211 and the second flange 212 to approach each other, and gaps between the damper main body 10 and the air inlet pipe 40 and the air outlet pipe 50 are reduced.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the embodiments described above, but is intended to be within the scope of the invention, as long as such insubstantial modifications are made by the method concepts and technical solutions of the invention, or the concepts and technical solutions of the invention are applied directly to other occasions without any modifications.
Claims (4)
1. The gravity balance system for ship ventilation comprises a damper main body (10), and is characterized in that one end of the damper main body (10) is connected with a first sealing device (20), the other end of the damper main body (10) is connected with a second sealing device (30), the damper main body (10) is connected with an air inlet pipe (40) through the first sealing device (20), and is connected with an air outlet pipe (50) through the second sealing device (30);
the structure of the first sealing device (20) is the same as that of the second sealing device (30), the first sealing device (20) comprises a flange assembly (21) arranged between an air inlet end of the air brake main body (10) and an air outlet end of the air inlet pipe (40), a first sealing sleeve (22) sleeved outside the flange assembly (21), and a magnetic attraction fixing assembly (23) arranged between the inside of the first sealing sleeve (22) and the outside of the flange assembly (21), and an air transmission assembly (24) is arranged outside the first sealing sleeve (22);
the first sealing sleeve (22) comprises a first sleeve ring (221) sleeved on the outer surface of the air inlet end of the air brake main body (10), and a second sleeve ring (222) sleeved on the outer surface of the air inlet pipe (40), and the first sleeve ring (221) and the second sleeve ring (222) are connected through a fixing pin (223);
the gas transmission assembly (24) comprises a gas one-way valve (241) arranged on the outer surface of the second sleeve ring (222), and a gas inlet hose (242) connected with the gas outlet end of the gas one-way valve (241), wherein one end of the gas inlet hose (242) far away from the gas one-way valve (241) extends into the air inlet pipe (40); the second sealing device (30) further comprises a second sealing sleeve (31) arranged outside the air outlet end of the air brake main body (10), and an air supply assembly (32) connected with the second sealing sleeve (31), wherein the air supply assembly (32) comprises a first high-pressure air release valve (321) arranged on the outer surface of the first sealing sleeve (22), and an air pipe (322) connected with the air outlet end of the first high-pressure air release valve (321), and one end of the air pipe (322) far away from the first high-pressure air release valve (321) extends into the second sealing sleeve (31); the first sealing sleeve (22) further comprises a helical guide rail (224) fixed to the inner surface of the first sleeve ring (221); the flange assembly (21) comprises a first flange (211) arranged at the air inlet end of the air brake main body (10) and a second flange (212) arranged at one end, close to the air brake main body (10), of the air inlet pipe (40), the first flange (211) is connected with the second flange (212) through a fixing pin (223), and a sealing ring is arranged between the first flange (211) and the second flange (212); the air delivery assembly (24) further comprises a first barometer (243) mounted on the outer surface of the second sleeve ring (222), and a controller (244) electrically connected with the first barometer (243), wherein the controller (244) is mounted on the outer surface of the air brake main body (10); the magnetic fixing assembly (23) comprises a first fixing column (231) arranged on the inner surface of the first sleeve ring (221) and a second fixing column (232) arranged on the inner surface of the second sleeve ring (222), one ends of the first fixing column (231) and the second fixing column (232) are respectively fixed with an electromagnet (233), and the electromagnets (233) are electrically connected with the controller (244); the magnetic attraction fixing assembly (23) further comprises a reed pipe (234) penetrating through the shell of the first sleeve ring (221), the input end of the reed pipe (234) is connected with the controller (244), and the output end of the reed pipe is connected with the air pump.
2. A gravity balance system for vessel ventilation according to claim 1, characterized in that the second sealing means (30) further comprises a second high pressure release valve (33) mounted outside the second sealing sleeve (31), and a second hose (34) connected to the outlet end of the second high pressure release valve (33), the outlet end of the second hose (34) extending into the interior of the outlet pipe (50).
3. The gravity balance system for ship ventilation according to claim 1, wherein the outer surfaces of the air inlet pipe (40) and the air outlet pipe (50) are connected with a second barometer (41).
4. The gravity balance system for ship ventilation according to claim 1, wherein the gas transmission assembly (24) further comprises a solenoid valve (245) mounted to an outer surface of the gas inlet pipe (40), and a third hose (246) connected to the solenoid valve (245), the third hose (246) extending to an inside of the second sleeve ring (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426790.6A CN114013621B (en) | 2021-11-27 | 2021-11-27 | Gravity balance system for ship ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426790.6A CN114013621B (en) | 2021-11-27 | 2021-11-27 | Gravity balance system for ship ventilation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114013621A CN114013621A (en) | 2022-02-08 |
| CN114013621B true CN114013621B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111426790.6A Active CN114013621B (en) | 2021-11-27 | 2021-11-27 | Gravity balance system for ship ventilation |
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| Country | Link |
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| CN (1) | CN114013621B (en) |
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| WO2001059342A1 (en) * | 2000-02-09 | 2001-08-16 | Floatpac Pty Ltd | Leakproof gas pressure regulator |
| CN102562646A (en) * | 2012-02-24 | 2012-07-11 | 杭州余杭特种风机有限公司 | Hot-gas high-pressure centrifugal blower and sealing method thereof |
| CN108925128A (en) * | 2018-09-27 | 2018-11-30 | 黄金铭 | A kind of chip mounter suction nozzle attachment device |
| CN210318697U (en) * | 2019-07-01 | 2020-04-14 | 江苏威伦智能电气设备有限公司 | Automatic gas charging connector who keeps apart |
| CN111120725A (en) * | 2020-01-09 | 2020-05-08 | 张帅 | Gravity balance air brake for ship ventilation |
| CN211344153U (en) * | 2019-11-01 | 2020-08-25 | 漳浦奇点机械科技有限公司 | Gravity balance air brake for ship ventilation |
| CN112161128A (en) * | 2020-10-15 | 2021-01-01 | 安徽建筑大学城市建设学院 | Heating and ventilation air conditioner pipeline connecting device with filtering and sterilizing effects |
-
2021
- 2021-11-27 CN CN202111426790.6A patent/CN114013621B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001059342A1 (en) * | 2000-02-09 | 2001-08-16 | Floatpac Pty Ltd | Leakproof gas pressure regulator |
| CN102562646A (en) * | 2012-02-24 | 2012-07-11 | 杭州余杭特种风机有限公司 | Hot-gas high-pressure centrifugal blower and sealing method thereof |
| CN108925128A (en) * | 2018-09-27 | 2018-11-30 | 黄金铭 | A kind of chip mounter suction nozzle attachment device |
| CN210318697U (en) * | 2019-07-01 | 2020-04-14 | 江苏威伦智能电气设备有限公司 | Automatic gas charging connector who keeps apart |
| CN211344153U (en) * | 2019-11-01 | 2020-08-25 | 漳浦奇点机械科技有限公司 | Gravity balance air brake for ship ventilation |
| CN111120725A (en) * | 2020-01-09 | 2020-05-08 | 张帅 | Gravity balance air brake for ship ventilation |
| CN112161128A (en) * | 2020-10-15 | 2021-01-01 | 安徽建筑大学城市建设学院 | Heating and ventilation air conditioner pipeline connecting device with filtering and sterilizing effects |
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| Publication number | Publication date |
|---|---|
| CN114013621A (en) | 2022-02-08 |
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