TWM582516U - Pipeline choke device - Google Patents
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- TWM582516U TWM582516U TW108205103U TW108205103U TWM582516U TW M582516 U TWM582516 U TW M582516U TW 108205103 U TW108205103 U TW 108205103U TW 108205103 U TW108205103 U TW 108205103U TW M582516 U TWM582516 U TW M582516U
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Abstract
一種管道阻氣裝置，設置於一第一水管與一第二水管之間，該管道阻氣裝置包含一外殼單元及一阻氣單元，該外殼單元包括一第一殼體及一固接於該第一殼體的第二殼體，該第一殼體與該第二殼體分別製作後再連接為一體，該阻氣單元安裝於該外殼單元的一容室中，並包括一本體、一止逆流道及一球件，該本體的一延伸筒與該外殼單元之間形成一隔離間距。利用該延伸筒與該外殼單元之間形成的隔離間距，可防止該外殼單元表面結露，且利用該止逆流道可防止流體由該第二水管朝該第一水管逆流，而達到防止沼氣逆流之目的。A pipe choke device is disposed between a first water pipe and a second water pipe, the pipe choke device includes a casing unit and a gas blocking unit, the casing unit includes a first casing and a fixed body a second housing of the first housing, the first housing and the second housing are separately fabricated and then integrated, the gas blocking unit is mounted in a housing of the housing unit, and includes a body and a The anti-backflow channel and a ball member form an isolation gap between the extension tube of the body and the outer casing unit. The surface of the outer casing unit can be prevented from dew condensation by using the separation gap formed between the extension tube and the outer casing unit, and the non-reverse flow passage can prevent the fluid from flowing backward from the second water pipe toward the first water pipe, thereby preventing the biogas from flowing backward. purpose.
Description
本新型是有關於一種排水管道，特別是指一種管道阻氣裝置。The present invention relates to a drainage pipe, and more particularly to a pipe choke device.
一般家庭冷凝水，如冷氣機的冷凝水、洗衣水、或洗澡水等的排放，是利用排水管道直接或先排入暫存槽，再繼續將其排放到屋外的下水道。這樣的排放方式容易使下水道裡的沼氣沿排水管道滲入屋內，造成屋內瀰漫沼氣的臭味，影響居住品質。若沼氣沿排水管道滲流回家用冷氣機，還會因沼氣裡含有會與冷氣的冷凝銅管產生化學反應的硫化物，長期下來將使得冷凝銅管出現發黑、鏽蝕的現象。更嚴重者，還將導致冷凝銅管破裂並使冷媒外漏，進而影響冷氣的效能。Generally, household condensate, such as condensate, washing water, or bath water of an air conditioner, is discharged directly or first into a temporary storage tank by using a drainage pipe, and then discharged to a sewer outside the house. Such a discharge method is easy for the biogas in the sewer to permeate into the house along the drainage pipe, causing the smell of biogas in the house to affect the quality of living. If the biogas oozes along the drainage pipe and goes home with the air conditioner, it will also cause the black and rust of the condensed copper pipe due to the long-term sulphide in the biogas containing chemical reaction that will react with the condensed copper pipe of the cold air. More serious, it will also cause the condensing copper tube to rupture and leak the refrigerant, which will affect the efficiency of the cold air.
為了解決上述缺失，申請人已申請並獲准專利號第M476155號專利案「管道防沼氣裝置」。In order to solve the above-mentioned deficiencies, the applicant has applied for and approved the patent "No. M476155" "Pipeline Anti-Biogas Device".
雖然上述專利案已可解決沼氣逆流的問題，但是因為管道防沼氣裝置中常會積存有冷凝水，且因為該管道防沼氣裝置內部的冷凝水與周圍環境溫度有差異的緣故，會造成該管道防沼氣裝置表面容易產生結露，且可能造成裝潢內部潮濕、發霉，甚至受損。Although the above patent case can solve the problem of biogas reverse flow, because the pipeline anti-biogas device often accumulates condensed water, and because the condensate inside the pipeline anti-biogas device is different from the surrounding environment temperature, the pipeline can be prevented. The surface of the biogas plant is prone to condensation and may cause moisture, mildew, and even damage to the interior of the interior.
因此，本新型之目的，即在提供一種可防止結露且可確保裝潢不會受損的管道阻氣裝置。Therefore, it is an object of the present invention to provide a gas barrier device that prevents condensation and ensures that the decoration is not damaged.
於是，本新型管道阻氣裝置，設置於一第一水管與一第二水管之間，該管道阻氣裝置包含一外殼單元及一阻氣單元。該外殼單元包括一呈中空狀的第一殼體，以及一固接於該第一殼體的第二殼體，該第一殼體與該第二殼體共同界定出一呈單向開放且具有一開口的容室，該第一殼體具有一連接於該第一水管的第一接管，以及一連接於該第二水管的第二接管，該第一殼體與該第二殼體分別製作後再連接為一體，該第一殼體具有一趨近於該容室的開口的定位部，該阻氣單元安裝於該外殼單元的容室中，並包括一跨置定位於該第一殼體的本體、一設於該本體內部的止逆流道，以及一可浮動地安裝於該止逆流道的球件，該本體具有一定位於該定位部的頂凸緣，以及一連接於該頂凸緣且伸設於該容室內部的延伸筒，該頂凸緣封閉該開口，該延伸筒與該外殼單元之間形成一隔離間距，該止逆流道允許流體由該第一接管朝該第二接管單向流動，且可防止流體由該第二接管朝該第一接管逆流。Therefore, the pipeline air blocking device of the present invention is disposed between a first water pipe and a second water pipe, and the pipe gas blocking device comprises a casing unit and a gas blocking unit. The housing unit includes a first housing that is hollow and a second housing that is fixed to the first housing. The first housing and the second housing together define a one-way opening and a first housing having a first connecting tube connected to the first water tube, and a second connecting tube connected to the second water tube, the first housing and the second housing respectively After being fabricated, the first housing has a positioning portion that is close to the opening of the housing. The gas blocking unit is installed in the housing of the housing unit and includes a span positioned at the first a body of the housing, a non-return flow channel disposed inside the body, and a ball member floatingly mounted to the anti-reverse flow channel, the body having a top flange located at the positioning portion, and a connection to the a top flange extending from the extension cylinder inside the chamber, the top flange closing the opening, the extension cylinder and the outer casing unit forming an isolation gap, the anti-reverse flow passage allowing fluid to be directed from the first nozzle The second nozzle flows in one direction and prevents fluid from being directed by the second nozzle Takeover reflux.
本新型之功效在於：利用該止逆流道可防止流體由該第二水管朝該第一水管逆流，而達到防止沼氣逆流之目的，且利用該阻氣單元的延伸筒與該外殼單元之間形成的隔離間距，可防止該外殼單元表面結露，可確保裝潢不容易受損。The utility model has the advantages that: the use of the anti-backflow passage can prevent the fluid from flowing backward from the second water pipe toward the first water pipe, and achieve the purpose of preventing backflow of the biogas, and forming between the extension cylinder of the gas blocking unit and the outer casing unit The isolation spacing prevents condensation on the surface of the housing unit and ensures that the decoration is not easily damaged.
參閱圖1至圖3，本新型管道阻氣裝置之一實施例，設置於一第一水管110與一第二水管120之間，該管道阻氣裝置包含一外殼單元10、一阻氣單元20、一上蓋30、一水平儀40及一固定蓋50。Referring to FIG. 1 to FIG. 3 , an embodiment of the pipeline gas barrier device is disposed between a first water pipe 110 and a second water pipe 120 . The pipe gas barrier device comprises a casing unit 10 and a gas barrier unit 20 . An upper cover 30, a level 40 and a fixed cover 50.
該外殼單元10包括一呈中空狀的第一殼體11，以及一固接於該第一殼體11的第二殼體12，該第一殼體11與該第二殼體12共同界定出一呈單向開放且具有一開口131的容室13。該第一殼體11與該第二殼體12分別製作後再連接為一體。The housing unit 10 includes a first housing 11 that is hollow and a second housing 12 that is fixed to the first housing 11. The first housing 11 and the second housing 12 are defined together. A chamber 13 that is open in one direction and has an opening 131. The first housing 11 and the second housing 12 are separately fabricated and then integrally connected.
該第一殼體11具有一界定出該容室13上半段的內環面14、一相反於該內環面14的第一側面15、一相反於該第一側面15的第二側面16、一凸設於該第一側面15且連接於該第一水管110的第一接管151、一凸設於該第二側面16且連接於該第二水管120的第二接管161、一對由該第二側面16朝該第一側面15凹設且趨近於該開口131的插槽17，以及一對由該第一側面15連通該內環面14且對應於該等插槽17的卡槽18。該內環面14具有一趨近於該容室13的開口131且自該內環面14凹設呈階級狀的定位部141。另外，該第一殼體11還具有一底緣19，以及一環設於該底緣19的嵌溝191。The first housing 11 has an inner annular surface 14 defining an upper half of the chamber 13, a first side 15 opposite the inner annular surface 14, and a second side 16 opposite the first side 15. a first connecting tube 151 protruding from the first side surface 15 and connected to the first water tube 110, a second connecting tube 161 protruding from the second side surface 16 and connected to the second water tube 120, and a pair of The second side surface 16 is recessed toward the first side surface 15 and is adjacent to the slot 17 of the opening 131, and a pair of cards that are connected to the inner ring surface 14 by the first side surface 15 and correspond to the slots 17 Slot 18. The inner annular surface 14 has a positioning portion 141 that is adjacent to the opening 131 of the chamber 13 and recessed from the inner annular surface 14 in a stepped shape. In addition, the first housing 11 further has a bottom edge 19 and a recess 191 formed in the bottom edge 19.
該第二殼體12呈單向開放的中空殼狀，並具有一相對於該底緣19的頂緣121，以及一凸設於該頂緣121且嵌卡於該嵌溝191中的嵌肋122。The second housing 12 has a hollow shell shape that is unidirectionally open, and has a top edge 121 opposite to the bottom edge 19, and a protrusion protruding from the top edge 121 and embedded in the recess 191. Ribs 122.
該阻氣單元20安裝於該外殼單元10的容室13中，並包括一跨置定位於該第一殼體11的本體21、一設於該本體21內部的止逆流道22，以及一可浮動地安裝於該止逆流道22的球件23。該本體21具有一可界定出一呈單向開放之內槽室241的殼座24、一設置於該內槽室241中的分隔套25，以及一套設於該殼座24與該分隔套25之間的襯套26。該殼座24具有一定位於該定位部141的頂凸緣242，以及一連接於該頂凸緣242且伸設於該容室13內部的延伸筒243，該頂凸緣242封閉該開口131，該延伸筒243與該外殼單元10之間形成一隔離間距，該延伸筒243具有一與該第一接管151相導通的第一通孔244，以及一與該第二接管161相導通的第二通孔245。該分隔套25具有一凹槽251、一與該凹槽251、該第二通孔245相導通的溢流孔252，以及一設於底部的導孔253，該襯套26具有一跨置定位於該頂凸緣242的內凸緣261，以及一連接於該內凸緣且伸設於該內槽室241中的筒部262，該筒部262具有一與該第一接管151、該第一通孔244相導通的第一接口263、一與該第二接管161，以及該第二通孔245及該溢流孔252相導通的第二接口264，該內凸緣261與該筒部262共同界定出一容槽265，該容槽265、該導孔253與該凹槽251共同構成該止逆流道22，該止逆流道22允許流體由該第一接管151朝該第二接管161單向流動，且可防止流體由該第二接管161朝該第一接管151逆流。The air blocking unit 20 is mounted in the housing 13 of the housing unit 10 and includes a body 21 disposed across the first housing 11 , a back flow channel 22 disposed inside the body 21 , and a The ball member 23 is floatingly mounted to the check passage 22 . The body 21 has a housing 24 defining a one-way open inner chamber 241, a partition sleeve 25 disposed in the inner chamber 241, and a set of the housing 24 and the partition sleeve Bushing 26 between 25. The housing 24 has a top flange 242 located at the positioning portion 141, and an extension cylinder 243 connected to the top flange 242 and extending inside the chamber 13. The top flange 242 closes the opening 131. An extension gap is formed between the extension tube 243 and the outer casing unit 10. The extension cylinder 243 has a first through hole 244 that is electrically connected to the first connection tube 151, and a second conduction line that is electrically connected to the second connection tube 161. Through hole 245. The partition sleeve 25 has a recess 251, an overflow hole 252 that is electrically connected to the recess 251 and the second through hole 245, and a guide hole 253 disposed at the bottom. The bushing 26 has a span positioning. An inner flange 261 of the top flange 242, and a tubular portion 262 connected to the inner flange and extending in the inner groove chamber 241, the cylindrical portion 262 having a first connector 151, the first a first interface 263 that is electrically connected to a through hole 244, a second interface 264 that is electrically connected to the second through hole 161, and the second through hole 245 and the overflow hole 252, the inner flange 261 and the cylindrical portion The 262 defines a pocket 265. The pocket 265 and the guide hole 253 together with the recess 251 constitute the non-return flow passage 22, and the anti-reverse flow passage 22 allows fluid to pass from the first joint 151 toward the second joint 161. The flow is unidirectional, and fluid can be prevented from flowing back from the second joint 161 toward the first joint 151.
該球件23放置於該凹槽251中，且利用自重可堵塞於該導孔253，流體由該第一接管151朝該第二接管161流動時，可將該球件23頂起並遠離於該導孔253。The ball member 23 is placed in the recess 251 and can be blocked by the self-weight in the guiding hole 253. When the fluid flows from the first connecting tube 151 toward the second connecting tube 161, the ball member 23 can be lifted up and away from The guide hole 253.
該上蓋30氣密蓋設於該殼座24且可封閉該容槽265與該凹槽251開放端。The upper cover 30 is airtightly disposed on the housing 24 and can close the opening 265 and the open end of the recess 251.
該水平儀40安裝於該上蓋30。The level 40 is mounted to the upper cover 30.
該固定蓋50安裝於該上蓋30外部，該固定蓋50具有一主板51、一對凸設於該主板51兩側的插板52，以及一對相反於該等插板52的卡塊53，該主板51具有一可透視該水平儀40的視窗511，該等插板52分別插設於該等插槽17中，該等卡塊53插設於該等卡槽18中。The fixing cover 50 is mounted on the outside of the upper cover 30. The fixing cover 50 has a main board 51, a pair of inserting plates 52 protruding from the two sides of the main board 51, and a pair of blocks 53 opposite to the inserting boards 52. The main board 51 has a window 511 that can be seen through the level 40. The boards 52 are respectively inserted into the slots 17, and the cards 53 are inserted into the slots 18.
為供進一步瞭解本新型各元件配合所產生的作用、運用技術手段，以及所預期達成之功效，茲再說明如下，相信當可由此而對本新型有更深入且具體之瞭解。In order to further understand the functions, technical means, and expected effects of the cooperation of the various components of the present invention, it is to be noted that the following is a more in-depth and specific understanding of the present invention.
如圖2所示，本新型的第一殼體11與該第二殼體12分別製作後，再利用該嵌肋122嵌卡於該嵌溝191中，而使該第一殼體11與該第二殼體12連接為一體。接著，將該本體21安裝於該容室13內部，將該襯套26安裝於該內槽室241內部，將該分隔套25安裝於該容槽265內部，將該球件23安裝於該凹槽251內部，並再將該上蓋30、該水平儀40、該固定蓋50依序安裝定位，即可完成整體組配。As shown in FIG. 2, after the first housing 11 and the second housing 12 of the present invention are separately fabricated, the ribs 122 are embedded in the recessed grooves 191, and the first housing 11 and the first housing 11 are The second housing 12 is connected in one body. Next, the body 21 is mounted inside the chamber 13, the bushing 26 is mounted inside the inner tank chamber 241, the partition sleeve 25 is mounted inside the pocket 265, and the ball member 23 is mounted to the recess. The inside of the slot 251, and then the upper cover 30, the level 40, and the fixed cover 50 are sequentially mounted and positioned to complete the overall assembly.
再如圖3及圖4所示，當本新型整體組配完成，且安裝於該第一水管110及該第二水管120之間，並包覆於裝潢建材內部時，可使冷凝水自該第一水管110流入該外殼單元10的第一接管151，並可透過該第一通孔244、第一接口263，最後順利導入於該容槽265，當冷凝水的水位尚未到達該分隔套25底部時，該球件23阻塞於該導孔253中，所以能防止由該第二水管120回流的沼氣朝該第一水管110逆流。As shown in FIG. 3 and FIG. 4 , when the overall assembly of the present invention is completed and installed between the first water pipe 110 and the second water pipe 120 and covered in the interior of the decoration building material, the condensed water can be condensed from the The first water pipe 110 flows into the first connecting pipe 151 of the outer casing unit 10, and can pass through the first through hole 244 and the first interface 263, and finally is smoothly introduced into the receiving groove 265. When the water level of the condensed water has not reached the dividing sleeve 25 At the bottom, the ball member 23 is blocked in the guide hole 253, so that the biogas returned from the second water pipe 120 can be prevented from flowing back toward the first water pipe 110.
當冷凝水水位逐漸昇高時，該球件23受到冷凝水的浮力作用會向上浮昇，且使該導孔253呈導通狀，冷凝水即可自該溢流孔252溢出，並經該第二通孔245再朝該第二接管161導送。When the water level of the condensed water is gradually increased, the ball member 23 is lifted upward by the buoyancy of the condensed water, and the guide hole 253 is turned on, and the condensed water can overflow from the overflow hole 252, and the condensed water overflows through the overflow hole 252. The two through holes 245 are further guided toward the second nozzle 161.
因此，利用本新型整體結構，且利用該止逆流道22可防止沼氣由該第二水管120朝該第一水管110逆流，而達到防止沼氣逆流之目的。且利用該阻氣單元20的殼座24與該外殼單元10之間形成的隔離間距，可防止該外殼單元10表面結露，可確保該裝潢建材不容易受損。且再利用該固定蓋50相對於該第一殼體11容易滑出，以方便於進行檢修或清理。Therefore, with the overall structure of the present invention, the use of the anti-reverse flow passage 22 prevents the biogas from flowing back from the second water pipe 120 toward the first water pipe 110, thereby achieving the purpose of preventing backflow of the biogas. Moreover, by using the isolation gap formed between the casing 24 of the gas barrier unit 20 and the casing unit 10, condensation on the surface of the casing unit 10 can be prevented, and the decoration building material can be prevented from being easily damaged. Moreover, the fixing cover 50 is easily slid out relative to the first housing 11 to facilitate inspection or cleaning.
值得一提的是，即使該殼座24相鄰於該隔離間距的外表面可能產生少量的結露，但少量的結露可受到環境溫度的作用而蒸發，不需要再進行導流或清理。It is worth mentioning that even if the shell 24 is adjacent to the outer surface of the isolation gap, a small amount of condensation may be generated, but a small amount of condensation may be evaporated by the ambient temperature, and no further flow or cleaning is required.
另外，利用該上蓋30採用軟質塑膠材質製成，可氣密蓋設於該外殼單元，再利用該固定蓋50的該等插板52分別插設於該等插槽17中，該等卡塊53插設於該等卡槽18中，可提昇該上蓋30與該外殼單元10的氣密性，可防止灰塵滲入於該止逆流道22中，可確保該阻氣裝置能正常運作。再者，利用該水平儀40安裝於該上蓋30的作用，可確保該管道阻氣裝置在安裝時確保水平，且能正常運作，並利用該固定蓋50的視窗511，可自該固定蓋50外部即可觀看該水平儀40。In addition, the upper cover 30 is made of a soft plastic material, and can be airtightly disposed on the outer casing unit, and the plug-in boards 52 of the fixed cover 50 are respectively inserted into the slots 17, and the blocks are inserted into the slots 17 respectively. The plugs 53 are inserted into the card slots 18 to improve the airtightness of the upper cover 30 and the outer casing unit 10, and prevent dust from penetrating into the anti-reverse flow passage 22, thereby ensuring that the gas barrier device can operate normally. Furthermore, the function of the leveling device 40 mounted on the upper cover 30 ensures that the pipe air blocking device ensures horizontal level during installation and can operate normally, and the window 511 of the fixing cover 50 can be used from the outside of the fixing cover 50. The level 40 can be viewed.
綜上所述，本新型管道阻氣裝置不僅結構簡單、製造組配容易，且可達到預期的使用目的及功效，並能解決現有技術存在的技術問題，確實能達成本新型之目的。In summary, the novel pipeline gas barrier device not only has a simple structure, is easy to manufacture, and can achieve the intended purpose and effect, and can solve the technical problems existing in the prior art, and can truly achieve the purpose of the present invention.
惟以上所述者，僅為本新型之實施例而已，當不能以此限定本新型實施之範圍，凡是依本新型申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾，皆仍屬本新型專利涵蓋之範圍內。However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.
110‧‧‧第一水管 120‧‧‧第二水管 10‧‧‧外殼單元 11‧‧‧第一殼體 12‧‧‧第二殼體 121‧‧‧頂緣 122‧‧‧嵌肋 13‧‧‧容室 131‧‧‧開口 14‧‧‧內環面 141‧‧‧定位部 15‧‧‧第一側面 151‧‧‧第一接管 16‧‧‧第二側面 161‧‧‧第二接管 17‧‧‧插槽 18‧‧‧卡槽 19‧‧‧底緣 191‧‧‧嵌溝 20‧‧‧阻氣單元 21‧‧‧本體 22‧‧‧止逆流道 23‧‧‧球件 24‧‧‧殼座 241‧‧‧內槽室 242‧‧‧頂凸緣 243‧‧‧延伸筒 244‧‧‧第一通孔 245‧‧‧第二通孔 25‧‧‧分隔套 251‧‧‧凹槽 252‧‧‧溢流孔 253‧‧‧導孔 26‧‧‧襯套 261‧‧‧內凸緣 262‧‧‧筒部 263‧‧‧第一接口 264‧‧‧第二接口 265‧‧‧容槽 30‧‧‧上蓋 40‧‧‧水平儀 50‧‧‧固定蓋 51‧‧‧主板 511‧‧‧視窗 52‧‧‧插板 53‧‧‧卡塊110‧‧‧First water pipe 120‧‧‧second water pipe 10‧‧‧ Shell unit 11‧‧‧First housing 12‧‧‧ second housing 121‧‧‧Top edge 122‧‧‧Inlay 13‧‧ ‧ room 131‧‧‧ openings 14‧‧‧ Inner torus 141‧‧‧ Positioning Department 15‧‧‧ first side 151‧‧‧First takeover 16‧‧‧ second side 161‧‧‧Second takeover 17‧‧‧Slot 18‧‧‧ card slot 19‧‧‧ bottom edge 191‧‧‧ditch 20‧‧‧ gas barrier unit 21‧‧‧ body 22‧‧‧stop flow channel 23‧‧‧Balls 24‧‧‧Shell 241‧‧‧Internal chamber 242‧‧‧Top flange 243‧‧‧ Extension tube 244‧‧‧ first through hole 245‧‧‧Second through hole 25‧‧‧Separate sleeve 251‧‧‧ Groove 252‧‧‧ overflow hole 253‧‧‧ Guide hole 26‧‧‧ bushing 261‧‧‧ inner flange 262‧‧‧ Tube 263‧‧‧ first interface 264‧‧‧second interface 265‧‧‧ 容容 30‧‧‧Upper cover 40‧‧‧ level 50‧‧‧Fixed cover 51‧‧‧ motherboard 511‧‧‧Window 52‧‧‧ Inserting board 53‧‧‧ card block
本新型之其他的特徵及功效，將於參照圖式的實施方式中清楚地呈現，其中： 圖1是本新型管道阻氣裝置的一實施例的一立體組合圖； 圖2是該實施例的一立體分解圖； 圖3是該實施例之一剖視示意圖；及 圖4是該實施例之另一剖視示意圖。 Other features and effects of the present invention will be apparent from the following description of the drawings, in which: 1 is a perspective assembled view of an embodiment of the pipeline air damper of the present invention; Figure 2 is an exploded perspective view of the embodiment; Figure 3 is a schematic cross-sectional view of the embodiment; and Fig. 4 is another schematic cross-sectional view of the embodiment.
Claims (6)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108205103U TWM582516U (en) | 2019-04-25 | 2019-04-25 | Pipeline choke device |
| CN201920841284.5U CN210238665U (en) | 2019-04-25 | 2019-06-05 | Pipeline air-blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108205103U TWM582516U (en) | 2019-04-25 | 2019-04-25 | Pipeline choke device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWM582516U true TWM582516U (en) | 2019-08-21 |
Family
ID=68317238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW108205103U TWM582516U (en) | 2019-04-25 | 2019-04-25 | Pipeline choke device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210238665U (en) |
| TW (1) | TWM582516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI816631B (en) * | 2023-03-13 | 2023-09-21 | 中華學校財團法人中華科技大學 | Anti-biogas backflow device |
-
2019
- 2019-04-25 TW TW108205103U patent/TWM582516U/en unknown
- 2019-06-05 CN CN201920841284.5U patent/CN210238665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI816631B (en) * | 2023-03-13 | 2023-09-21 | 中華學校財團法人中華科技大學 | Anti-biogas backflow device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN210238665U (en) | 2020-04-03 |
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