TWM446498U - Pneumatic pump structure - Google Patents
Pneumatic pump structure Download PDFInfo
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- TWM446498U TWM446498U TW101215990U TW101215990U TWM446498U TW M446498 U TWM446498 U TW M446498U TW 101215990 U TW101215990 U TW 101215990U TW 101215990 U TW101215990 U TW 101215990U TW M446498 U TWM446498 U TW M446498U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 95
- 238000001914 filtration Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000005273 aeration Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005288 electromagnetic effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
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Description
本創作係有關一種氣力泵結構，尤指一種應用在養殖缸水循環處理，藉由氣壓將養殖缸水往高處送出，使養殖缸水達到雙重曝氣效果，且水循環不阻塞之氣力泵結構創新設計。This creation is related to a pneumatic pump structure, especially a pneumatic pump structure that is applied in the water circulation treatment of the culture tank, which sends the culture tank water to the high place by the air pressure, so that the culture tank water reaches the double aeration effect, and the water circulation is not blocked. design.
按，就我們印象中對於養殖觀賞魚所知，一般養殖缸內係需設有二馬達，其中之一係加氣馬達，以將空氣打入水中，增加水中溶氧量，另一係抽水馬達，以將養殖缸內水抽離經過一過濾裝置，以淨化水質，再循環送回養殖缸中；惟，此種水質循環裝置，於實施使用上仍有些許缺點，例如:According to our impression, for the breeding of ornamental fish, the general culture cylinder system needs to have two motors, one of which is a refueling motor to drive air into the water to increase the dissolved oxygen in the water, and another pumping motor. The water in the culture tank is pumped away through a filtering device to purify the water, and is recycled back to the culture tank; however, such water quality circulation device still has some shortcomings in implementation, such as:
- 該抽水馬達係由數種動件所組成，該動件容易因吸入汙物而造成該動件卡死，無法繼續抽水以進行過濾動作，故須定期拆下清洗，否則馬達的使用壽命即大幅降低，且損壞後又需花費一筆錢購買新馬達替換，既不實用也不環保。The pumping motor is composed of a plurality of moving parts, which are easily caught by the inhalation of dirt, and cannot be continuously pumped for filtering operation, so it is necessary to remove and clean periodically, otherwise the service life of the motor is greatly increased. Reduced, and after the damage, it costs a sum of money to buy a new motor replacement, neither practical nor environmentally friendly.
- 現有養殖缸係需使用一加氣馬達以及一抽水馬達以達成水質循環之效果，故於電力使用上較為耗電。The existing culture cylinder system needs to use a refueling motor and a pumping motor to achieve the effect of water quality circulation, so it consumes more electricity in electricity use.
今，創作人有鑑於現有養殖缸馬達結構之缺失再予以研究改良，提供一種氣力泵結構，以期達到更佳實用價值性之目的。Nowadays, the creators have made research and improvement in view of the lack of the structure of the existing culture cylinders, and provided a pneumatic pump structure in order to achieve better practical value.
本創作之主要目的，旨在提供一種氣力泵結構，尤指一種應用在養殖缸水循環，藉由氣壓將養殖缸水往高處送出，使養殖缸水達到雙重曝氣效果，且水循環不阻塞之氣力泵結構。The main purpose of this creation is to provide a pneumatic pump structure, especially one that is applied in the water circulation of the culture tank, and the water from the culture tank is sent to the high place by the air pressure, so that the culture tank water achieves the double aeration effect, and the water circulation does not block. Pneumatic pump structure.
為達本創作之氣力泵結構的主要目的與功效，其主要包括有：一內部具有容室之本體，該本體設有一上端面及對應該上端面之下端面，該上端面分別穿設有一進氣管及一出水管，該進氣管係接設一空氣供應源，以將空氣送入該本體，該出水管用以將該本體內之水送出，該下端面係設有一進水口，且該進水口內側設有一逆止閥，該逆止閥藉該本體之內外壓力差而呈現關閉或打開該進水口之狀態，以調節養殖缸之水進入該本體之水量。The main purpose and function of the pneumatic pump structure for the present invention include: a body having a chamber inside, the body having an upper end surface and an upper end surface corresponding to the upper end surface, the upper end surface respectively being provided with a a gas pipe and an outlet pipe, the air inlet pipe is connected to an air supply source for feeding air to the body, the water outlet pipe is for sending water out of the body, and the lower end surface is provided with a water inlet, and A check valve is disposed on the inner side of the water inlet, and the check valve is in a state of closing or opening the water inlet by the pressure difference between the inside and the outside of the body to adjust the amount of water entering the body of the culture tank.
如上所述，於本創作之氣力泵結構，其中，該出水管係包含一穿設該本體之第一管體、一連結該第一管體之轉接部以及一連結該轉接部另一端之第二管體；其中，該第二管體靠近該轉接部處穿設有一回氣管，該回氣管之另一端係埋入養殖缸水之液面下，當該出水管之轉接部內暫存空氣較多時，可令空氣從回氣管排入養殖缸水中，以增加水中溶氧量。As described above, in the pneumatic pump structure of the present invention, the outlet pipe includes a first pipe body through which the body is disposed, an adapter portion connecting the first pipe body, and a connecting end portion of the adapter portion a second pipe body; wherein the second pipe body is provided with a return air pipe near the adapter portion, and the other end of the air return pipe is buried under the liquid surface of the culture tank water, and the inside of the outlet pipe of the water outlet pipe When there is a large amount of temporary air, air can be discharged from the return air pipe into the culture tank water to increase the dissolved oxygen in the water.
如上所述，於本創作之氣力泵結構，其中，該空氣供應源係一空壓機或一壓力儲氣筒。As described above, in the pneumatic pump structure of the present invention, the air supply source is an air compressor or a pressure air reservoir.
如上所述，於本創作之氣力泵結構，於較佳實施例中，該逆止閥係一自由球體。As described above, in the pneumatic pump structure of the present invention, in the preferred embodiment, the check valve is a free sphere.
如上所述，於本創作之氣力泵結構，於較佳實施例中，該本體之下端面內壁係朝該進水口下斜而具有一斜度，以利該球體落回到該進水口處。As described above, in the pneumatic pump structure of the present invention, in a preferred embodiment, the inner wall of the lower end surface of the body has a slope toward the water inlet to facilitate the falling of the ball back to the water inlet. .
如上所述，於本創作之氣力泵結構，於較佳實施例中，該第二管體之一端可進一步接設一過濾裝置，以供送出之養殖缸水進行過濾。As described above, in the pneumatic pump structure of the present invention, in a preferred embodiment, one end of the second tube body may be further connected with a filtering device for filtering the culture tank water that is sent out.
綜上所述可知，本創作之氣力泵結構，於實施使用上所具有之優點如下：In summary, the advantages of the pneumatic pump structure of the present invention in implementation are as follows:
- 本創作之氣力泵結構，藉由外加氣壓將養殖缸水往高處送出，可進一步經一過濾裝置使水質乾淨，且外加進入的空氣與養殖缸水在該本體內進行第一次曝氣，而該出水管之轉接部內空氣較多時，從回氣管排入養殖缸水中之空氣與水進行第二次曝氣，使養殖缸水達到雙重曝氣效果，大幅增加水中溶氧量。The pneumatic pump structure of the present invention sends the culture tank water to a high place by the applied air pressure, and the water can be further cleaned by a filtering device, and the incoming air and the culture tank water are first aerated in the body. When there is a lot of air in the transfer portion of the outlet pipe, the air and water discharged from the return pipe into the culture tank water are subjected to a second aeration, so that the culture tank water reaches a double aeration effect, and the dissolved oxygen amount in the water is greatly increased.
- 本創作係利用外加空氣壓力方式達到令養殖缸水進行循環，較現有使用二馬達的方式更為省電且環保。The creation system uses the external air pressure method to achieve circulation of the culture tank water, which is more energy-saving and environmentally friendly than the existing two-motor method.
- 本創作之氣力泵結構，其組成之結構中，不包含有動件，故當養殖缸內沉澱之污物被帶入氣力泵內時，不但不會造成阻塞，還可將養殖缸內之污物經一循環過濾處理，令養殖缸內水質保持乾淨。The structure of the pneumatic pump of the present invention does not include moving parts in the structure of the pneumatic pump. Therefore, when the dirt deposited in the culture tank is brought into the pneumatic pump, not only will it not cause blockage, but also the dirt in the culture tank. The material is filtered through a cycle to keep the water quality in the culture tank clean.
為令本創作之技術手段、創作目的及達成功效有更完整及清楚的揭露，茲詳細說明如下，並請一併參閱揭示之圖式及元件符號。In order to make the technical means, creative purpose and achievement of this creation more complete and clear, the following is a detailed description, and please refer to the disclosed drawings and component symbols.
首先，請參閱第一圖所示，係為本創作氣力泵結構之側視剖面圖，該氣力泵結構係應用在養殖缸水循環處理，其主要包括：一內部具有容室之本體（１），該本體（１）設有一上端面（１１）及對應該上端面（１１）之下端面（１２），該上端面（１１）分別穿設有一進氣管（２）及一出水管（３），該進氣管（２）係接設一空氣供應源（圖中未顯示），以將空氣送入該本體（１），該出水管（３）係包含一穿設該本體之第一管體（３１）、一連結該第一管體（３１）之轉接部（３２）以及一連結該轉接部（３２）另一端之第二管體（３３），該下端面（１２）係設有一進水口（１３），且該下端面（１２）之內側進水口處設有一逆止閥（４），該逆止閥（４）藉該本體（１）之內外壓力差而呈現關閉或打開該進水口（１３）之狀態，以調節養殖缸之水進入該本體（１）之水量，其中，該逆止閥（４）於本創作較佳實施例中係一自由球體，且該本體（１）之下端面（１２）內壁係朝該進水口（１３）下斜而具有一斜度，以利該球體落回到該進水口（１３）處。First, please refer to the first figure, which is a side cross-sectional view of the structure of the pneumatic pump. The pneumatic pump structure is applied to the water circulation treatment of the culture tank, which mainly comprises: a body (1) having a chamber inside, The main body (1) is provided with an upper end surface (11) and an upper end surface (12) corresponding to the upper end surface (11), and the upper end surface (11) is respectively provided with an intake pipe (2) and an outlet pipe (3) The air inlet pipe (2) is connected to an air supply source (not shown) for feeding air into the body (1), and the water outlet pipe (3) includes a first pipe through which the body is disposed. a body (31), an adapter portion (32) connecting the first tube body (31), and a second tube body (33) connecting the other end of the adapter portion (32), the lower end surface (12) a water inlet (13) is provided, and a check valve (4) is disposed at an inner water inlet of the lower end surface (12), and the check valve (4) is closed by a pressure difference between the inner and outer portions of the body (1) Open the state of the water inlet (13) to adjust The water of the cylinder enters the water volume of the body (1), wherein the check valve (4) is a free sphere in the preferred embodiment of the present invention, and the inner wall of the lower end surface (12) of the body (1) The water inlet (13) is inclined downward to have a slope so that the ball falls back to the water inlet (13).
上述本創作之氣力泵結構，其中，該空氣供應源係一空壓機或一壓力儲氣筒；該空氣供應源於本創作較佳實施例中係一空壓機。The pneumatic pump structure of the present invention, wherein the air supply source is an air compressor or a pressure air reservoir; the air supply source is an air compressor in the preferred embodiment of the present invention.
上述本創作之氣力泵結構，其中，該第二管體（３３）於靠近該轉接部（３２）處穿設有一回氣管（５），該回氣管（５）之另一端係埋入養殖缸水之液面下，當該出水管（３）之轉接部（３２）內暫存空氣較多時，可令空氣從回氣管排入養殖缸水中，以增加水中溶氧量。In the above-mentioned pneumatic pump structure, the second pipe body (33) is provided with a return air pipe (5) near the adapter portion (32), and the other end of the air return pipe (5) is buried in the culture. Under the surface of the tank water, when there is a large amount of temporary air in the transfer portion (32) of the outlet pipe (3), air can be discharged from the return pipe into the culture tank water to increase the dissolved oxygen in the water.
上述本創作之氣力泵結構，其中，該第二管體（３３）之一端可進一步接設一過濾裝置（圖中未顯示），以供送出之養殖缸水進行過濾。In the above-mentioned pneumatic pump structure, one end of the second tube body (33) may be further connected with a filtering device (not shown) for filtering the culture tank water that is sent out.
再請一併參閱第二至五圖所示，係本創作實施作動側剖示意圖（一）、（二）、（三）以及（四），請先參閱第二、三圖所示，當該空氣供應源開始將空氣經該進氣管（２）送進該本體（１）內時，使該本體（１）內之壓力逐漸增大，該逆止閥（４）於該進水口（１３）處承受一較大向下壓力而堵住該進水口（１３），使該本體內之水與空氣無法經由該進水口（１３）流入養殖缸內，而使該本體（１）內原有的水被擠壓往出水管（３）移動，而該出水管（３）內原有的空氣也同時會被擠壓往上移動，此時部分空氣會從該回氣管（５）排出進入養殖缸水中，形成無數氣泡，以增加養殖缸內水的曝氣效果；隨著空氣供應源持續將空氣送進該本體（１）內，該本體（１）內之水面高度漸漸接近出水管入口處（３４）（如第四圖所示）；當該本體（１）內之水面高度低於該出水管入口處（３４）時，持續送進該本體（１）內之空氣會經由該出水管（３）排出，並將原本在出水管內（３）的水繼續推送出去，同時部分空氣亦會經由回氣管（５）排出進入養殖缸之水中，造成該本體（１）內之壓力逐漸變小，當該逆止閥（４）於該本體（１）下端面內側進水口（１３）處所承受之向下壓力小於該進水口（１３）處外側向上之水壓時，形成一內外壓力差，該逆止閥（４）即被養殖缸之水流向上帶離該進水口（１３）處，使養殖缸內的水可從該進水口（１３）補充入該本體（１）內（如第五圖所示），直到該本體（１）內之水面高度到達該出水管入口處（３４）（如第四圖所示）時，持續送入該本體（１）內部之空氣無法經由該出水管（３）排出，造成該本體（１）內之壓力逐漸變大，直到該本體（１）之下端面進水口（１３）處內外壓力達平衡時，養殖缸之水即不再往該本體（１）內部流動，此時，該逆止閥（４）因重力作用再回到該進水口（１３）處，而隨著該空氣供應源持續將空氣送進該本體（１）內，該球體可如第四圖或第五圖所示，動態地關閉或打開該進水口以維持該本體（１）內之壓力平衡，同時使養殖缸內的水陸續被帶入該氣力泵結構內，以進一步經過一過濾裝置，進行過濾，達到水循環過濾效果。Please refer to the second to fifth figures together. This is a schematic diagram of the implementation of the creative side (1), (2), (3) and (4). Please refer to the second and third figures first. When the air supply source starts to send air into the body (1) through the intake pipe (2), the pressure in the body (1) is gradually increased, and the check valve (4) is at the water inlet (13). ) is subjected to a large downward pressure to block the water inlet (13), so that the water and air in the body cannot flow into the culture tank through the water inlet (13), so that the body (1) The water is squeezed to move out of the outlet pipe (3), and the original air in the outlet pipe (3) is also squeezed upwards, and part of the air is discharged from the return pipe (5) into the culture. In the cylinder water, numerous bubbles are formed to increase the aeration effect of the water in the culture tank; as the air supply source continuously feeds the air into the body (1), the water level in the body (1) gradually approaches the outlet of the water outlet tube (34) (as shown in the fourth figure); when the ontology (1) When the water level inside is lower than the outlet of the water outlet (34), the air continuously fed into the body (1) is discharged through the outlet pipe (3), and the water originally in the outlet pipe (3) continues. Pushed out, and part of the air is also discharged into the water of the culture tank through the return pipe (5), causing the pressure in the body (1) to gradually become smaller, when the check valve (4) is at the lower end of the body (1) When the downward pressure on the inner water inlet (13) is less than the water pressure on the outer side of the water inlet (13), an internal pressure difference is formed, and the check valve (4) is taken up by the water flow of the culture tank. At the water inlet (13), water in the culture tank can be replenished from the water inlet (13) into the body (1) (as shown in the fifth figure) until the water level in the body (1) reaches the water level When the outlet pipe inlet (34) (as shown in the fourth figure), the air continuously fed into the body (1) cannot be discharged through the outlet pipe (3), causing the pressure in the body (1) to gradually increase. Until the ontology ( When the pressure at the inner and outer water inlets (13) reaches equilibrium, the water in the culture tank no longer flows into the body (1). At this time, the check valve (4) returns to the gravity due to gravity. At the nozzle (13), and as the air supply continues to feed air into the body (1), the ball can dynamically close or open the water inlet to maintain the water as shown in the fourth or fifth figure The pressure in the body (1) is balanced, and at the same time, the water in the culture tank is continuously brought into the pneumatic pump structure to further filter through a filtering device to achieve the water circulation filtering effect.
又請參閱第六圖所示，係本創作之較佳實施例示意圖，本創作之較佳實施例中，該空氣供應源係一空壓機（６），該空壓機（６）之電力來源係可來自太陽能或風力等綠色能源，於本創作較佳實施例中，係利用一風車結構（７），藉由風力帶動風車葉片轉動，產生電磁效應，以形成感應電流，進而產生電力供應該空壓機（６）作動，令本創作更兼具環保概念。Please also refer to the sixth embodiment, which is a schematic diagram of a preferred embodiment of the present invention. In the preferred embodiment of the present invention, the air supply source is an air compressor (6), and the air source of the air compressor (6) In the preferred embodiment of the present invention, a windmill structure (7) is used to drive the windmill blades to rotate by the wind, thereby generating an electromagnetic effect to generate an induced current, thereby generating a power supply. The air compressor (6) is activated to make this creation more environmentally friendly.
藉此，本創作之氣力泵結構，藉由一外加空氣壓力將養殖缸之水往高處送出，使養殖缸之水達到雙重曝氣效果，以增加水中溶氧量，且該氣力泵結構，其組成之元件中，不包含有動件，故當養殖缸內沉澱之污物被帶入氣力泵內時，不但不會造成阻塞，還可將養殖缸內之污物經一循環過濾處理，令養殖缸內水質保持乾淨，水循環不阻塞，兼具實用性及環保概念。Thereby, the pneumatic pump structure of the present invention sends the water of the culture tank to a high place by an applied air pressure, so that the water of the culture tank reaches a double aeration effect, thereby increasing the dissolved oxygen amount in the water, and the pneumatic pump structure, The components of the composition do not include moving parts, so when the dirt deposited in the culture tank is brought into the pneumatic pump, not only will it not cause blockage, but also the dirt in the culture tank can be filtered by a cycle. The water quality in the culture tank is kept clean and the water circulation is not blocked, which is both practical and environmentally friendly.
前述之實施例或圖式並非限定本創作之結構樣態或尺寸，任何所屬技術領域中具有通常知識者之適當變化或修飾，皆應視為不脫離本創作之專利範疇。The above-mentioned embodiments or drawings are not intended to limit the structure or the dimensions of the present invention, and any suitable variations or modifications of those skilled in the art should be considered as not departing from the scope of the invention.
綜上所述，本創作實施例確能達到所預期之使用功效，又其所揭露之具體構造，不僅未曾見諸於同類產品中，亦未曾公開於申請前，誠已完全符合專利法之規定與要求，爰依法提出新型專利之申請，懇請惠予審查，並賜准專利，則實感德便。In summary, the present embodiment can achieve the expected use efficiency, and the specific structure disclosed therein has not been seen in similar products, nor has it been disclosed before the application, and has fully complied with the provisions of the Patent Law. And the request, the application for a new type of patent in accordance with the law, please forgive the review, and grant the patent, it is really sensible.
（１）‧‧‧本體
（１１）‧‧‧上端面(1) ‧ ‧ body (11) ‧ ‧ upper end
（１２）‧‧‧下端面
（１３）‧‧‧進水口(12) ‧‧‧ lower end (13) ‧‧ ‧ water inlet
（２）‧‧‧進氣管
（３）‧‧‧出水管(2) ‧ ‧ intake pipe (3) ‧ ‧ water outlet
（３１）‧‧‧第一管體
（３２）‧‧‧轉接部(31)‧‧‧First body (32)‧‧‧Transfer
（３３）‧‧‧第二管體
（３４）‧‧‧出水管入口處(33) ‧‧‧Second body (34)‧‧‧ outlet pipe outlet
（４）‧‧‧逆止閥
（５）‧‧‧回氣管(4) ‧ ‧ check valve (5) ‧ ‧ return pipe
（６）‧‧‧空壓機
（７）‧‧‧風車結構(6) ‧ ‧ air compressor (7) ‧ ‧ windmill structure
第一圖：係本創作之側視剖面圖The first picture: a side view of the creation
第二圖：係本創作實施作動側剖示意圖（一）The second picture: a schematic diagram of the implementation of this creative implementation (1)
第三圖：係本創作實施作動側剖示意圖（二）The third picture: a schematic diagram of the implementation of this creative implementation (2)
第四圖：係本創作實施作動側剖示意圖（三）The fourth picture: a schematic diagram of the action side of the creation of this creation (3)
第五圖：係本創作實施作動側剖示意圖（四）The fifth picture: a schematic diagram of the implementation of the creation of this creation (4)
第六圖：係本創作之較佳實施例示意圖Figure 6: Schematic diagram of a preferred embodiment of the present creation
(1)‧‧‧本體 (1) ‧‧‧ Ontology
(11)‧‧‧上端面 (11) ‧‧‧ upper end
(12)‧‧‧下端面 (12) ‧‧‧ lower end
(13)‧‧‧進水口 (13) ‧‧ ‧ water inlet
(2)‧‧‧進氣管 (2) ‧ ‧ intake pipe
(3)‧‧‧出水管 (3) ‧ ‧ water outlet
(31)‧‧‧第一管體 (31)‧‧‧First tube
(32)‧‧‧轉接部 (32) ‧‧‧Transfer Department
(33)‧‧‧第二管體 (33)‧‧‧Second body
(4)‧‧‧逆止閥 (4) ‧‧‧ check valve
(5)‧‧‧回氣管 (5) ‧‧‧ return air tube
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101215990U TWM446498U (en) | 2012-08-20 | 2012-08-20 | Pneumatic pump structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101215990U TWM446498U (en) | 2012-08-20 | 2012-08-20 | Pneumatic pump structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWM446498U true TWM446498U (en) | 2013-02-11 |
Family
ID=48193927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW101215990U TWM446498U (en) | 2012-08-20 | 2012-08-20 | Pneumatic pump structure |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWM446498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI561167B (en) * | 2016-01-26 | 2016-12-11 | Ssu-Tsung Lu | Circulation device for aquaculture |
-
2012
- 2012-08-20 TW TW101215990U patent/TWM446498U/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI561167B (en) * | 2016-01-26 | 2016-12-11 | Ssu-Tsung Lu | Circulation device for aquaculture |
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