TWM321069U - Energy saving differential pump - Google Patents

Energy saving differential pump Download PDF

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Publication number
TWM321069U
TWM321069U TW96207041U TW96207041U TWM321069U TW M321069 U TWM321069 U TW M321069U TW 96207041 U TW96207041 U TW 96207041U TW 96207041 U TW96207041 U TW 96207041U TW M321069 U TWM321069 U TW M321069U
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Taiwan
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water
pump
pressure
air
cylinder
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TW96207041U
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Chinese (zh)
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Wen-Ting Liau
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Wen-Ting Liau
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Priority to TW96207041U priority Critical patent/TWM321069U/en
Publication of TWM321069U publication Critical patent/TWM321069U/en

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Description

M321069 八、新型說明: 【新型所屬之技術領域】 本創作系關於-種氣壓差式節能栗水裝置’尤指—種方法簡便、實用、運 用廣泛完備之節能泵水裝置’可運用於水力發電或給水系_對需要之用水補 給自動控制,藉由進氣管引進壓縮空氣注入等效直徑伸縮氣缸管中,以帶引左 右側缸活塞左右_交_行泵核作驗計,而可將魏壓差泵浦中的水果 到水塔中,當需要時自動控制出水_打開,水塔中的水在向下流的同時衝擊 水力發電機’帶動水力發電機發電;也可以在外脉管接頭上接民生用水管以 供豕庭應用水之所需,而達成水資源的提供等附屬性需求。 【先前技術】 二十-世紀是-個科技十倍數成長的時代,科技的成長不在於高深的學 間,而在於如何運用簡易方便,但效果卓著的方式及改良,對於技術的提升、 產品的優良來說將更形重要。 傳統民生用水系以抽水機將水持續泵到水塔申,相當耗費電力,尤其若停 電時就無法泵水到水塔供水了,另一般水力發電與供水設備大多利用建築水壤 的模式加以達成,然,水壩供水與發電的效能會因季節與水源的充足與否而產 生衫響,以致供電與供水的效能無法持久穩定,再者,水庫的建造更會對周遭 環i兄生態與下游百姓安全多少造成負面影響,而水庫一但建成,更將因長期齡 泥沈積逐漸減少水庫壽命。 因此,如何運用氣壓差式節能泵水與泵水系統將水泵到水塔中,從而運用 於水力發電或給水系統相對需要之用水補給自動控制,兼具節能、高效能穩定 供電與供水之設備,即是一門值得研究的課題。 M321069 【新型内容】 歷紅練,梢作料f域術之缺紐展出一種 空,注入等效直徑伸縮氣虹管中,以帶引左右侧缸活塞左右來 給水系統相對需要之用水補給自動控制 、 二 "本創狀另—目的在H制麵,也可以在㈣水管翻上生 官以供家庭應用水之所需,而達成水資源的提供等嶋性需求。 為達到上述及其它目的,本鋪—種氣壓差式節能泵水裝置,主要包括· 左mf賴贼生财#;漏差輯,純壓差泵浦則 i ΐίί t 之零組件;"組泵水管’該泵水管可作為該氣壓 差^與水W統水籍循環之連結;—儲水槽,該儲水槽供應左、右兩侧缸 之水,-壓縮空氣供給控制器’該壓縮空氣供給控制器可以 泵浦動作所需之進氣/洩氣控制用。 ^ i 其次’當自動控制出水閥門打開,水塔中的水在向下流的同時衝擊水 電機’帶動水力發電機發電’該水力發電機所發出來的電力,可以儲存下來提 ^本系統所需之電力’若有餘者再供其他必要時制,據此循環發電不耗廢水 負源,且本案可_-般工i彡餘的儲氣進行果水動作,節約能源並可達到 電的功效。 【實施方式】 以下系藉由特定的具體實例說明搭配本創作之實施方式,熟悉此技藝之人 士可由本說明書所揭示之内容輕易地瞭解本創作之其他優點與功效。本&作亦 可藉由其他不同的具體實例加以施行缝用,本說明書中的各項細節亦可基於 不同觀點與應用,在不悖離本創作之精神下進行各種修飾與變更。 、 首先請貴審查委員參閱如第一圖及第七圖所示者,本案一種氣壓差式節 能泵水裝置,結構包括: 水塔1,系設置有外用水管接頭11、出水閥門12、水力發電機出水連接管 13、水力發電機14、與民生用水管18等; 氣壓差泵浦2,包括有左右側缸2〇、左右側缸活塞2〇〇、左右出水逆止閥門 M321069 ϋ、ft進水逆止閥門210、左右壓力氣室22、壓力氣室連通管220、左右伸縮 氣缸氣室23、左右等效直徑伸縮氣紅管23()、左右減管24、左右進氣管烈、 左右進氣/減閥⑽、左錢水缸蓋27、壓力氣室注氣_⑺、左右側缸儲 水槽2(U,狄與活塞連杆29及其連杆滑動套筒29〇所組成 栗水管3,可作為氣壓差泵浦2之左右侧缸儲水槽2〇1循環果水入水塔1 之連結。 儲水槽4該館水槽一側設有進水連接管&,另一側設有出水連接管42。 -壓縮空祕給控 5,可作為轉祕差_ 2動作職之進氣鐵氣 控制用=壓1空氣供給器5所提供之壓縮空氣可來自於空氣壓賴或儲氣槽卜 接著^續請貴審查委員參閱4圖)所示;本創作案主要系藉由氣壓差 泵浦2分設之左右側缸20巾的左右側缸活塞左右麵交_行泵水動作的 設計,而可將該氣壓差泵浦2中的水泵到水塔丨中。 首先疋將儲水槽4通過進水連接管41自動隨時加滿水,再將左右壓力氣室 22通過壓力氣室注氣閥1 271《主入一定量之壓縮空氣,形成等壓平衡狀態,然後 透過右侧缸進氣官25經右進氣/航閥門26,將右伸縮氣缸氣室23中填充入壓 縮空氣產生加麵式,因整個氣壓絲浦2係由左右侧缸2()、左錄水缸蓋27 形成密閉室,而左右侧缸活塞議又是用活塞連杆29相連接的,而活塞連杆中 又套有滑動套筒29G,所以右伸縮氣缸氣室23在氣壓的作用下而伸脹並驅動右 侧缸活塞200會向左滑動,而左側缸活塞2〇q也同時會向左滑動; 右側缸儲水槽201中的水在受到右側缸活塞2〇〇向左滑動的壓力下,迫使 右出水逆止閥Π 21打開,右進水逆止閥門21〇在壓力下關閉,右侧缸儲水槽2〇1 中的水便可以通過泵水管3把水向上泵到水塔1中。 而左側缸壓力氣室22中的壓縮空氣透過連接左右側缸壓力氣室22之壓力 氣室連通管220,將壓縮空氣通往右壓力氣室22 ; 同時,因等效直徑伸縮氣缸管230是可以伸縮的,所以在左側缸活塞2〇〇 向,滑動時左伸縮氣缸氣室23中的壓縮空氣,經左進氣/洩氣閥門2β從左侧缸 洩氣管24泄出氣體,產生減壓模式;而左侧缸活塞2〇〇在向左滑動時又產生一 定的吸力,從而使左進水逆止閥門21〇打開進水。 再則;轉換由左侧缸進氣管25經左進氣/洩氣閥門26,向左伸縮氣缸氣室 23中填充入壓縮空氣產生加壓模式;右伸縮氣缸氣室23中壓縮空氣,經右進氣 /洩氣閥門26從右侧缸洩氣管24泄出氣體,產生減壓模式;而如此往復左右側 缸活塞200以左右來回交替進行此動作的方式,來進行泵水動作,而將水經泵 M321069 水管3泵到水塔1中,以進行水塔1之給水、發電功能之自動控制。 另,水塔1中的水可以使用於多種用途;如當需要時出水閥門12打開(出 水閥門12也可設定自動控制),水塔丨中的水在向下流的同時衝擊水力發電機 14,帶動水力發電機14發電,以供必要時使用。 再請貝審查委員參閱如第五圖搭配前圖所示;本案也可以在外用水管接 頭11上接民生用水管18以供一般民生用水之所需。 再请貴審查委員參閱如第六圖搭配前圖所示;本案氣壓差泵浦2除了可 以放,儲水槽4中進行實施外,也可以將其放在儲水槽4外面通過儲水槽出水 連接管42來連接使用,可以根據需要選擇使用模式。 再請貴審查委員參閱如第七圖搭配前圖所示;本案氣壓差泵浦2所需之 氣壓可以通過壓縮空氣供給控制器5來交替使用,且可以是工廠多餘儲放在儲 氣槽的壓縮空氣,而可減少將水泵到水塔中的用電量。 上述實施例僅例示性說明本創作之原理及其功效,及其部分運用之實施 例,而非用於限制本創作之界定。任何熟習此項技藝之人士均可在不違背本創 作之精神及範疇下,對上述實施例進行修飾與改變。因此,本創作之權利保護 範圍,應如後述之申請專利範圍所列。 【圖式簡單說明】 第一圖系本創作啟動前之進水狀態示意圖。 ,二圖系本創作右侧缸進氣出水左侧缸洩氣進水之狀態示意圖。 第二圖系本創作左侧缸進氣出水右側缸洩氣進水之狀態示意圖。 ,四圖系本創作左、右側缸停止進、洩氣水塔出水發電之狀態示意圖。 第五圖系本創作左、右側缸停止進、洩氣水塔出水供用水之狀態示意圖。 第六圖系本創作氣壓差泵浦放在水池外面使用之實施例示意圖。 第七圖系本創作氣壓差泵浦所需氣壓可以用壓縮空氣供給控制器輸入氣壓之實 施例示意圖。 【主要元件符號說明】 水塔1 外用水管接頭11 M321069 * 出水閥門12 水力發電機出水連接管13 水力發電機14 民生用水管18 氣壓差泵浦2 左右側缸20 左右側缸活塞200 左右側缸儲水槽201 左右出水逆止闕門21 左右進水逆止閥門210 左右壓力氣室22 壓力氣室連通管220 左右伸縮氣缸氣室23 左右等效直徑伸縮氣缸管230 左右洩氣管24 左右進氣管25 左右進氣/洩氣閥門26 左右泵水缸蓋27 壓力氣室注氣閥門271 活塞連杆29 連杆滑動套筒290 泵水管3 儲水槽4 儲水槽進水連接管41 儲水槽出水連接管42 壓縮空氣供給控制器5 儲氣槽/空氣壓縮機6M321069 VIII. New description: [New technical field] This series is about the kind of air pressure difference type energy-saving chestnut water device, especially the simple, practical and widely used energy-saving pumping device can be applied to hydropower generation. Or the water supply system _ automatic control of the required water supply, the introduction of compressed air into the equivalent diameter telescopic cylinder tube by the intake pipe, to lead the right and left side cylinder piston left and right _ _ row pump core for verification, and can be The fruit in the differential pressure pump is pumped into the water tower. When needed, the water is automatically controlled to open. The water in the water tower is impacted by the hydroelectric generator while driving down the hydroelectric generator to generate electricity. It can also be connected to the external vascular joint. Water pipes are used to supply water for the courts, and the auxiliary needs such as the provision of water resources are achieved. [Prior technology] The 20th century is an era in which technology grows ten times. The growth of technology lies not in the deep learning, but in how to use simple and convenient, but effective ways and improvements, for the improvement of technology, products. Good will be more important. The traditional water for people's livelihood is pumping water to the water tower by pumping water. It is quite expensive, especially if it is unable to pump water to the tower when the power is cut off. In addition, most of the hydropower and water supply equipment are built using the model of building water and soil. The efficiency of water supply and power generation of dams will be affected by the seasons and the availability of water sources, so that the efficiency of power supply and water supply cannot be sustained and stable. Moreover, the construction of the reservoir will cause more safety to the surrounding environment and the safety of the downstream people. The negative impact, while the reservoir is built, will gradually reduce the reservoir life due to long-term mud deposits. Therefore, how to use the differential pressure energy-saving pump water pumping system to pump water into the water tower, so as to be used for automatic control of water supply or water supply system with relatively needed water supply, and to save energy and high efficiency to stabilize power supply and water supply equipment, that is, It is a subject worth studying. M321069 [New content] The calendar red training, the tip of the material f domain surgery, the lack of a new one, injected into the equivalent diameter telescopic gas tube, to lead the left and right side cylinder piston to the water supply system, the water supply system needs automatic control The second and the other are in the H-face, and can also be used in the (four) water pipes to provide the water for the households to meet the needs of the water supply. In order to achieve the above and other purposes, this shop - a kind of air pressure difference type energy-saving pumping device, mainly includes · left mf Lai thief Sheng Cai #; leakage difference series, pure differential pressure pump is the component of i ΐ ίί t; " group pump The water pipe 'the pump water pipe can be used as the connection between the air pressure difference and the water circulation system; the water storage tank supplies the water of the left and right sides of the cylinder, and the compressed air supply controller' the compressed air supply control The device can be used for pumping the intake/deflation control required for the action. ^ i Secondly, when the automatic control outlet valve is opened, the water in the water tower is flowing down while hitting the water motor to drive the hydroelectric generator to generate electricity. The electricity generated by the hydroelectric generator can be stored and used to raise the system. If there is more than one, the power supply will be supplied to other necessary time systems. According to this, the circulating power generation will not consume the negative source of waste water, and the case can be used for the operation of fruit water, saving energy and achieving electricity efficiency. [Embodiment] Hereinafter, the embodiments of the present invention will be described by way of specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention by the contents disclosed in the present specification. This &amplification can also be performed by other different specific examples. The details in this specification can also be modified and changed without departing from the spirit of the present invention. First, please refer to the review committee as shown in the first and seventh figures. In this case, a pressure difference type energy-saving pumping unit has the following structure: The water tower 1 is provided with an external water pipe joint 11, a water outlet valve 12, and a hydroelectric generator. Outlet connection pipe 13, hydroelectric generator 14, and water pipe 18 for people's livelihood; air pressure difference pump 2, including left and right side cylinder 2〇, left and right side cylinder piston 2〇〇, left and right water outlet check valve M321069 ϋ, ft water The check valve 210, the left and right pressure chamber 22, the pressure chamber communication tube 220, the right and left telescopic cylinder chamber 23, the right and left equivalent diameter telescopic gas tube 23 (), the left and right tube 24, the left and right intake tubes, and the left and right Gas/reduction valve (10), left money cylinder head 27, pressure chamber gas injection _ (7), left and right side cylinder water storage tank 2 (U, Di and piston rod 29 and its connecting rod sliding sleeve 29 组成 composed of chestnut water pipe 3 It can be used as a connection between the left and right side tank storage tanks of the differential pressure pump 2 and the circulating water inlet tower 1. The water storage tank 4 has a water inlet pipe & on the side of the sink and a water connection on the other side. Tube 42. - Compressed air secret control 5, can be used as a secret _ 2 action The compressed air supplied by the air supply unit 5 can be derived from the air pressure or the gas storage tank. Continued by the review committee (see Figure 4); the creation is mainly by differential pressure pumping. The left and right side cylinders of the left and right side cylinders of the left and right side cylinders of the left and right side cylinders are designed to communicate with each other, and the water pump of the air pressure difference 2 can be pumped into the water tower. Firstly, the water storage tank 4 is automatically filled with water at any time through the water inlet connecting pipe 41, and then the left and right pressure gas chamber 22 is passed through the pressure air chamber gas injection valve 1 271 to "enter a certain amount of compressed air to form an isobaric equilibrium state, and then Through the right cylinder intake officer 25 via the right intake/aerodynamic valve 26, the right telescopic cylinder chamber 23 is filled with compressed air to create a surface-added type, since the entire pneumatic filament 2 is composed of left and right side cylinders 2 (), left The water cylinder cover 27 forms a closed chamber, and the left and right side cylinder pistons are connected by a piston connecting rod 29, and the piston connecting rod is sleeved with a sliding sleeve 29G, so the right telescopic cylinder air chamber 23 acts at the air pressure. Lower and expand and drive the right cylinder piston 200 to slide to the left, while the left cylinder piston 2〇q also slides to the left; the water in the right cylinder storage tank 201 is slid to the left by the right cylinder piston 2〇〇 Under pressure, the right outlet water check valve Π 21 is forced to open, the right inlet water check valve 21 is closed under pressure, and the water in the right cylinder storage tank 2〇1 can pump water up to the water tower 1 through the pump water pipe 3 in. The compressed air in the left cylinder pressure chamber 22 passes through the pressure chamber communication tube 220 connecting the left and right side cylinder pressure chambers 22, and the compressed air is led to the right pressure chamber 22; meanwhile, since the equivalent diameter telescopic cylinder tube 230 is It can be telescoped, so in the left cylinder piston 2, the compressed air in the left telescopic cylinder chamber 23 when sliding, the gas is released from the left cylinder bleed tube 24 via the left intake/deflection valve 2β, and the decompression mode is generated. And the left cylinder piston 2 又 generates a certain suction force when sliding to the left, so that the left inlet water check valve 21 〇 opens the water. Further, the conversion is performed by the left cylinder intake pipe 25 via the left intake/deflection valve 26, and the left telescopic cylinder chamber 23 is filled with compressed air to generate a pressurized mode; the right telescopic cylinder chamber 23 is compressed air, via the right The intake/deflection valve 26 vents gas from the right cylinder bleed tube 24 to generate a decompression mode; and thus the reciprocating left and right side cylinder pistons 200 alternately perform this action in a left-right direction, thereby performing a pumping action and water passing through The pump M321069 water pipe 3 is pumped into the water tower 1 to perform automatic control of the water supply and power generation functions of the water tower 1. In addition, the water in the water tower 1 can be used for various purposes; for example, when the water outlet valve 12 is opened when needed (the outlet valve 12 can also be set to be automatically controlled), the water in the water tower slams the hydroelectric generator 14 while flowing downward, and drives the hydraulic power. Generator 14 generates electricity for use when necessary. Please refer to the review committee as shown in the fifth figure with the previous figure; in this case, the water pipe 18 for the people's livelihood can also be connected to the external water pipe joint 11 for the needs of ordinary people's livelihood. Please refer to the review board as shown in the sixth figure. The pressure difference pump 2 in this case can be placed in the water storage tank 4 in addition to the water pressure difference pump 2, and it can also be placed outside the water storage tank 4 through the water storage tank outlet pipe. 42 to connect to use, you can choose the mode of use as needed. Please refer to the review board as shown in the seventh figure. The pressure required for the differential pressure pump 2 in this case can be alternately used by the compressed air supply controller 5, and it can be stored in the gas storage tank. Compresses air to reduce the amount of electricity used to pump water into the tower. The above-described embodiments are merely illustrative of the principles of the present invention and its efficiencies, and some examples of their use, and are not intended to limit the definition of the present invention. Any person skilled in the art can modify and change the above embodiments without departing from the spirit and scope of the invention. Therefore, the scope of protection of this creation should be as listed in the scope of the patent application described later. [Simple description of the diagram] The first diagram is a schematic diagram of the water intake state before the creation of this creation. The second figure is a schematic diagram of the state of the left cylinder of the right cylinder of the right side of the creation. The second picture is a schematic diagram of the state of the left cylinder of the right cylinder of the left side of the creation. The four pictures are schematic diagrams showing the state in which the left and right cylinders of the creation are stopped and the water tower is discharged. The fifth picture is a schematic diagram of the state in which the left and right cylinders of the present creation are stopped and the water in the effluent tower is supplied with water. The sixth figure is a schematic diagram of an embodiment in which the creation of a differential pressure pump is placed outside the pool. The seventh figure is a schematic diagram of the actual air pressure required to pump the air pressure to the controller to input the air pressure. [Main component symbol description] Water tower 1 External water pipe joint 11 M321069 * Water outlet valve 12 Hydroelectric generator water connection pipe 13 Hydroelectric generator 14 Minsheng water pipe 18 Air pressure difference pump 2 Left and right side cylinder 20 Left and right side cylinder piston 200 Left and right side cylinder storage Sink 201 left and right water outlet check valve 21 left and right water inlet check valve 210 left and right pressure air chamber 22 pressure gas chamber communication tube 220 left and right telescopic cylinder air chamber 23 left and right equivalent diameter telescopic cylinder tube 230 left and right vent pipe 24 left and right intake pipe 25 Left and right intake/deflection valve 26 Left and right pump cylinder cover 27 Pressure chamber injection valve 271 Piston connecting rod 29 Connecting rod sliding sleeve 290 Pump water pipe 3 Water storage tank 4 Water storage inlet pipe 41 Water storage pipe connection pipe 42 Compression Air supply controller 5 gas storage tank / air compressor 6

Claims (1)

M321069 九、申請專利範園: 1· 一種氣壓差式節能泵水裝置,包括有水拔、备 壓縮空氣供給控制器所組成,其十; ° ”、泵水管、儲水槽及 水塔,系設置有連接民生用之水管; 氣壓差泵浦,包括有左右側缸、左右側缸活塞、 逆止閥門、左右壓力氣室、壓力氣室連通瞽、友岐止閥門左右進水 徑#縮氣缸管、左线氣管、左右進氣管、左右 室、左右等效直 側缸儲水槽,與活塞連杆及其連杆滑動套筒所組成; 泵水官,可作纽壓差泵狀左右側缸儲水槽循縣水人水塔之連結; =上述結構,賊壓絲舰續賴,财魏猶知自賴時加滿水, :左、右壓力氣室藉由壓縮空氣供給控制器,通過壓力氣室注氣閥門注入一定 里之壓縮线’使左、右働r儲水射的水,分齡制麵线注入等效直 控伸,氣缸官,所鷄之左、右侧缸活塞向左、右滑_壓力下,便可以透過 泵水皆分勸上闕水塔巾,而如此往復左、右侧缸活塞以左右來回交替進行 此動作的方式,來進行泵水動作,而將水經泵水管泵到水塔中,以進行水塔給 水、發電等功能之自動控制。 口 σ 2 ·如申請專利範圍第1項所述之氣藥差式節·水裝置,其中,該氣壓差泵浦可 以根據需要放在儲水槽外面來實施使用。 3·如申請專利範圍第丨項所述之氣壓差式節能泵水裝置,其中,該壓縮空氣供給 器所需的氣壓可以透過儲氣槽來提供。 _•如申請專利範圍第1項所述之氣壓差式節能泵水裝置,其中,該壓縮空氣供給 器所需的氣壓可以透過空氣壓縮機來提供。 ,5·如申請專利範圍第丨項所述之氣壓差式節能泵水裝置,其中,該水塔中可增設 有水力發電機出水連接管,連接水力發電機,藉由出水閥門自動控制出水時間 衝擊水力發電機,以進行發電。M321069 IX. Application for Patent Park: 1. A pressure difference type energy-saving pumping unit, which consists of a water extraction and compression air supply controller. The ten; ° ”, pump water pipe, water storage tank and water tower are provided with Connected water pipes for people's livelihood; Pneumatic differential pump, including left and right side cylinders, left and right side cylinder pistons, check valves, left and right pressure chambers, pressure chamber connection 瞽, 岐 岐 止 止 valve left and right water inlet # 缩 cylinder tube, The left line air pipe, the left and right air intake pipes, the left and right rooms, the left and right equivalent straight side cylinder water storage tanks, and the piston connecting rod and its connecting rod sliding sleeve are composed; the pumping water officer can be used as a new differential pressure pump type left and right side cylinder storage The connection between the sink and the county water tower; = the above structure, the thief presses the silk ship continued, the wealth Wei knows to fill the water when it is self-reliant, the left and right pressure chambers supply the controller through the compressed air, through the pressure chamber The gas injection valve is injected into a certain compression line to make the left and right 働r water-spraying water, and the age-old noodle line is injected into the equivalent straight control extension. The cylinder officer, the left and right cylinder pistons of the chicken are left and right. Under the pressure _ pressure, you can persuade through the pump The water tower towel, and thus the left and right cylinder pistons alternately perform this action in the left and right direction to perform the pumping action, and pump the water through the pump pipe to the water tower for automatic control of water tower water supply, power generation and the like. The sigma 2 is the gas-difference type water-saving device according to the first aspect of the patent application, wherein the differential pressure pump can be placed outside the water storage tank as needed to implement the use. The air pressure difference type energy-saving pumping device described in the above, wherein the air pressure required by the compressed air supplier can be provided through a gas storage tank. _• The air pressure difference energy-saving pump water as described in claim 1 The device, wherein the air pressure required by the compressed air supply device can be provided by an air compressor. The air pressure difference energy-saving pumping device according to the above-mentioned claim, wherein the water tower can be added The hydroelectric generator outlet pipe is connected to the hydroelectric generator, and the outlet valve is automatically controlled by the outlet valve to impact the hydroelectric generator to generate electricity.
TW96207041U 2007-05-03 2007-05-03 Energy saving differential pump TWM321069U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008141587A1 (en) * 2007-05-23 2008-11-27 Wenting Liao Air pressure difference type energy saving water pumping device
TWI399487B (en) * 2008-05-09 2013-06-21 W & E Int Canada Corp Self-powered pump for heated liquid, fluid heating and storage tank and fluid heating system employing same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008141587A1 (en) * 2007-05-23 2008-11-27 Wenting Liao Air pressure difference type energy saving water pumping device
TWI399487B (en) * 2008-05-09 2013-06-21 W & E Int Canada Corp Self-powered pump for heated liquid, fluid heating and storage tank and fluid heating system employing same

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