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1. 发明专利

JPH06304596A INTERMITTENT WATER QUALITY IMPROVING DEVICE 失效
公开(公告)号：JPH06304596A
公开(公告)日：1994-11-01
申请号：JP9343893
申请日：1993-04-21
申请人： KUBOTA KK
发明人： YAMABE HIROSHI , MACHIDA OSAMI , MIYAUCHI SUNAO
IPC分类号： C02F1/00 , C02F7/00
摘要： PURPOSE:To prevent the deterioration of water by floating a tank on the water surface of a deep pond, lake, etc., connecting a downcomer to the injection port in the lower surface, supplying the water close to the water surface into the tank by a water feed pump and efficiently circulating water between the surface layer and deep layer. CONSTITUTION:An open tank 2 is floated with a float 9 with the greater part exposed on the water surface to the extent that the set level in the tank is positioned at an appropriate height from the external water surface and communicated with an injection port 5 having a stop valve 6 and formed at the center of the bottom of the tank 2, and a downcomer 3 is provided. The downcomer 3 has an appropriate length and with the lower end opened 3a at an appropriate depth. A water feed pipe 4 is set on the tank 2, and the water in the surface layer close to the water surface is sucked by a suction pipe 7 and tangentially forced under pressure into the tank 2 from a water feed pipe 8. The generated spiral flow is discharged at a high speed from he open hole 3a through the stop valve 6 to be intermittently opened and the downcomer 3.

2. 发明专利

JPH05138094A WATER JETTING APPARATUS 失效
公开(公告)号：JPH05138094A
公开(公告)日：1993-06-01
申请号：JP30364791
申请日：1991-11-20
申请人： KUBOTA KK
发明人： YAMABE HIROSHI , TSUNODA TAKAHARU , MACHIDA OSAMI
IPC分类号： B05B17/08
摘要： PURPOSE:To jet water in different way by each water jetting block in a water jetting apparatus provided with a plurality of water jetting blocks and the water jetted posture is shifted among the water jetting blocks to produce drastic visible alteration. CONSTITUTION:For a plurality of respective water jetting blocks B1-B6, the same number of water jetting nozzles N1-N6 are installed in the blocks and pumps P1-P6 are individually driven by motors M1-M6 in the same number of the water jetting nozzles N1-N6. Water with high pressure is supplied to each water jetting nozzle N1-N6 through water passing routes WR1-WR6 and at the same time driving and stopping signals, rotary frequency controlling signal, and rotary frequency correcting signal are sent out from a controlling means C to the motors M1-M6 and also opening and closing signals are sent out to water passing route opening and closing valves V1-V6 set in the upper stream side of the water jetting nozzles N1-N6 in respective water passing routes WR1-WR6.

3. 发明专利

JP2784853B2 失效
公开(公告)号：JP2784853B2
公开(公告)日：1998-08-06
申请号：JP30364791
申请日：1991-11-20
申请人： KUBOTA KK
发明人： YAMABE HIROSHI , TSUNODA TAKAHARU , MACHIDA OSAMI
IPC分类号： B05B17/08

4. 发明专利

JPH06277696A INTERMITTENT TYPE WATER QUALITY IMPROVING DEVICE 失效
公开(公告)号：JPH06277696A
公开(公告)日：1994-10-04
申请号：JP6893193
申请日：1993-03-29
申请人： KUBOTA KK
发明人： YAMABE HIROSHI , MACHIDA OSAMI , MIYAUCHI SUNAO
IPC分类号： C02F7/00 , C02F1/00
摘要： PURPOSE:To provide the superior agitating effect to water masses in a deep layer by filling the water of water masses remaining on a surface layer in the vicinity of water level into a closed tank by means of a boosting feed pump, opening an on-off means intermittently and discharging the water into the downward flow by means of the pressure in the tank. CONSTITUTION:An intermittent type water quality improving device 1 is disposed on a lake 14 in the floating state by the buoyancy of a float 9, and first a boosting feed pump 4 is driven in the state of blocking first and second valves 6 and 12, and water of water masses of comparatively high temperature remaining on a surface layer in the vicinity of water level is filled into a closed tank 2 through a suction pipe 7 and a water feed pipe 8, and the pressure inside the tank 2 is retained properly. Then the first on-off valve 6 is opened intermittently at the given time intervals, and the water in the tank 2 is discharged at a time from a jetting port 5 into a downward flow path pipe 3 by the inner- tank pressure (pneumatic pressure). The similar operation is repeated to circulate the water masses in the surface layer to the proper underwater depth successively and remove the water masses by feeding water bloom or the like to the deep layer for the purpose of improving the water quality.

5. 发明专利

JPH05138093A WATER JETTING APPARATUS 失效
公开(公告)号：JPH05138093A
公开(公告)日：1993-06-01
申请号：JP30364691
申请日：1991-11-20
申请人： KUBOTA KK
发明人： YAMABE HIROSHI , TSUNODA TAKAHARU , MACHIDA OSAMI
IPC分类号： B05B17/08
摘要： PURPOSE:To jet water in different way by each water jetting block in a water jetting apparatus provided with a plurality of water jetting blocks and the water jetted posture is shifted among the water jetting blocks to produce drastic visible alteration. CONSTITUTION:For a plurality of respective water jetting blocks B1-B6, the same number of water jetting nozzles N1-N6 are installed in the blocks and pumps P1-P6 are individually driven by motors M1-M6 in the same number of the water jetting nozzles N1-N6. Water with high pressure is supplied to each water jetting nozzle N1-N6 through water passing routes WR1-WR6 and at the same time driving and stopping signals and rotary frequency controlling signal are sent out from a controlling means C to the motors M1-M6 and also opening and closing signals are sent out to water passing route opening and closing valves V1-V6 set in the upper stream side of the water jetting nozzles N1-N6 as well as to relief valves V1-V6 set in the upper stream sides of respective water passing route opening and closing valve V1-V2.

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