US3304564A - Apparatus for cleaning a body of liquid and maintaining its level - Google Patents

Apparatus for cleaning a body of liquid and maintaining its level Download PDF

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US3304564A
US3304564A US492422A US49242265A US3304564A US 3304564 A US3304564 A US 3304564A US 492422 A US492422 A US 492422A US 49242265 A US49242265 A US 49242265A US 3304564 A US3304564 A US 3304564A
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liquid
conduit
section
connection
inlet
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Green Jack
Osgood Jack Henry
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2931—Diverse fluid containing pressure systems
    • Y10T137/3112—Main line flow displaces additive from shunt reservoir
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85946—Faucet connected, sink drained
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87571—Multiple inlet with single outlet
    • Y10T137/87587—Combining by aspiration
    • Y10T137/87595—Combining of three or more diverse fluids

Definitions

  • the present invention relates generally to apparatus for removing foreign materials from surfaces submerged in a body of liquid, and is more particularly concerned with the removal of sediment, debris and the like from the bottoms of tanks, aquariums, ponds and other bodies of water.
  • a further object is to provide apparatus for cleaning surfaces submerged in a body of water, and which will automatically maintain the water level in the body during the cleaning operation.
  • Still another object is to provide in apparatus of the character described, simple pumping means of the venturi type which may be attached to a house faucet or other suitable supply source and provide means for removing water from a tank or container while at the same time permitting a supply of fresh water thereto into which various types of desired chemical liquids as Well as other liquid additives may be injected.
  • Still another object is to provide as an article of manufacture an improved pumping means of the venturi type which may be utilized in connection with tanks, aquariums and other bodies of water for the removal of debris sediment and other foreign matter.
  • FIG.' 1 is an enlarged view in section of apparatus embodying the features of the present invention, and diagrammatically illustrating its use in connection with a body of water, in this case a tank of water;
  • FIG. 2 is a fragmentary view showing a modified arrangement for the injection of a chemical or additive liquid into the fluid being supplied to the tank, portions being cut away to show the location and operative relationship of certain parts.
  • the invention will be described in con nection with its use for cleaning a tank of water, such as an aquarium, although in its broad concepts it is to be understood that the invention may be utilized for the removal of silt and debris from ponds, lakes and larger bodies of water.
  • the present invention is shown as being comprised of a pumping mechanism as generally indicated at 10, and which is of the venturi type and thus devoid of any moving parts.
  • the pumping mechanism is constructed so as to provide an elongate tubular housing structure, in this case formed of two sections, a section 11a and a section 11b which are threadedly connected as indicated at 12 in end-to-end axially aligned relation.
  • This housing may be constructed of any suitable material which may include various metals or plastics Which may be necessitated by various types of uses or installations.
  • the section 11a is externally threaded at one end as 3,304,564 Patented Feb. 21, 1967 indicated at 13 to provide a connection to facilitate faucet or a hose connection of the pumping mechanism to a Water supply source.
  • the opposite end of section 11a is formed into a projecting nozzle 14 having an inner converging wall 15 for converting the entering water into a high velocity jet discharge through a cylindrical restricted opening 16.
  • the section 11b is formed at its connected end with a cylindrical inner wall portion 17 of substantially the same diameter as the inner wall portion 17' of the section 11a.
  • the wall 17 is in spaced relation surrounding the projecting nozzle 14, and inwardly of the nozzle tip communicates with a truncated conical Wall section 18 which forms the mouth portion of a venturi tube and converges to a restricted throat 19 from which a relatively longer truncated conical wall section 20 diverges to form the venturi discharge leading to the discharge end of housing section 11b.
  • This end is shown as being connected to an end ring which is fitted with a spider support 22 upon which there is mounted an impact dispersion disc 23 for slowing down the discharge velocity of the water leaving the pumping mechanism.
  • the section 11a in the portion containing the cylindrical inner wall 17' is provided with a conduit connection 24, while the section 11b in the portion containing the cylindrical inner wall 17 is provided with one or more conduit connections, in this instance being provided with two conduit connections as indicated at 25 and 26.
  • venturi pumping mechanism Utilization of the venturi pumping mechanism will now be described. Although use of the device is not limited to tanks, aquariums, etc., for simplicity the pumping mechanism will be described as utilized for a tank 27 which has a submerged bottom surface 28 and confines a body of liquid 29 therein with a surface level as indicated at 30.
  • the pumping means is connected foruse byextending the conduit 24 so that its lowermost end will be submerged in the body of water adjacent the bottom surface 28, in which position the positive pressure discharge of the fluid from the conduit will loosen the foreign material on the surface and stir it up so that the adjacently positioned suction connection 26 can remove liquid from the tank together with the displaced foreign material and discharge it into the mouth of the venturi where it will be carried off as waste from the pumping means.
  • the automatic level control permits the simple control of circulation rate by adjustment of the venturi service supply at the connection 13.
  • the sink or other faucet valve utilized would be sufiicient.
  • Other means of injecting chemicals or fluids into the tank liquid may comprise the use of manual or automatic squeeze bottles inserted in conduit 24 or by partial diversion of the liquid stream in conduit 24 into a chamber containing pelletized or liquid aliquots of the chemical (detergent, cleanser, coloration agent, frother, emulsifier, collector, purifier, additive, etc.).
  • Apparatus for removing foreign material from a submerged surface in a body of liquid comprising:
  • liquid pumping means having a positive pressure outlet connection and a suction inlet connection
  • the injecting means includes a conduit having a nozzle at one end positioned to discharge in a downstream direction in the flow from said positive pressure outlet, the other end of said injecting means conduit being immersed in a supply source of said fluid medium.
  • Apparatus for removing foreign material from a submerged surf-ace in a body of liquid and maintaining the liquid level thereof comprising:
  • venturi pumping means having a liquid supply connection, a positive pressure outlet connection and a plurality of suction inlet connections;
  • Apparatus for continuously removing liquid from a body of liquid and supplying fresh liquid thereto comprising:
  • venturi pumping means having an inlet connectable with a liquid supply source, a positive pressure outlet connection at said inlet, and a suction inlet connection;
  • means including a first conduit connected with said positive pressure outlet and having its discharge end submerged in said body of liquid and directed in a direction for discharging pressurized liquid against a surface to dislodge foreign material thereon;
  • liquid pumping means including a conduit connected with said suction inlet connection and having its inlet end adjacent the discharge end of said first conduit for collecting liquid and dislodged foreign material there- 5.
  • a venturi tube formed by the wall of said outlet section including an upstream mouth portion converging towards a restricted throat portion, and a downstream discharge portion diverging away from said throat portion towards the non-connected end of the outlet section, said mouth portion having an upstream end in communication with a cylindrical wall portion at the connected end of the outlet section;

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Jet Pumps And Other Pumps (AREA)

Description

Feb. 21, 1967 J GREEN ET AL APPARATUS FOR CLEANING A BODY OF LIQUID AND MAINTAINING ITS LEVEL Filed Oct. 4, 1965 36 b H ea-3555 53 3 29 I I 1 l (/0014 6/86/7, Jack l e/#7 4 7000} INVENTORS wHA'N/v a M; MANIGA L 14/r'orne1s for A J/camf M United States Patent 3,304,564 APPARATUS FOR CLEANING A BODY OF LIQUID AND ,MAINTAINHN G ITS LEVEL Jack Green, 585 Via Del Monte, Palos Verdes Estates, Calif. 90274, and .laclr Henry Osgood, 7901 19th St., Westminster, Calif. 92633 Filed Oct. 4, 1965, Ser. No. 492,422 5 Claims. (Cl. 15-1.7)
The present invention relates generally to apparatus for removing foreign materials from surfaces submerged in a body of liquid, and is more particularly concerned with the removal of sediment, debris and the like from the bottoms of tanks, aquariums, ponds and other bodies of water.
It is one object of the herein described invention to provide cleaning apparatus for bodies of liquid, which is simple and economical to construct, free of moving parts, easy to connect and disconnect, and which will be automatic in its operation.
A further object is to provide apparatus for cleaning surfaces submerged in a body of water, and which will automatically maintain the water level in the body during the cleaning operation.
Still another object is to provide in apparatus of the character described, simple pumping means of the venturi type which may be attached to a house faucet or other suitable supply source and provide means for removing water from a tank or container while at the same time permitting a supply of fresh water thereto into which various types of desired chemical liquids as Well as other liquid additives may be injected.
Still another object is to provide as an article of manufacture an improved pumping means of the venturi type which may be utilized in connection with tanks, aquariums and other bodies of water for the removal of debris sediment and other foreign matter.
Further objects of the invention will be brought out in the following part of the specification, wherein detailed description is for the purpose of fully disclosing the invention without placing limitations thereon.
Referring to the accompanying drawings, which are for illustrative purposes only:
FIG.' 1 is an enlarged view in section of apparatus embodying the features of the present invention, and diagrammatically illustrating its use in connection with a body of water, in this case a tank of water; and
FIG. 2 is a fragmentary view showing a modified arrangement for the injection of a chemical or additive liquid into the fluid being supplied to the tank, portions being cut away to show the location and operative relationship of certain parts.
Referring more specifically to the drawings, for illustrative purposes, the invention will be described in con nection with its use for cleaning a tank of water, such as an aquarium, although in its broad concepts it is to be understood that the invention may be utilized for the removal of silt and debris from ponds, lakes and larger bodies of water.
Referring to FIG. 1, the present invention is shown as being comprised of a pumping mechanism as generally indicated at 10, and which is of the venturi type and thus devoid of any moving parts.
The pumping mechanism is constructed so as to provide an elongate tubular housing structure, in this case formed of two sections, a section 11a and a section 11b which are threadedly connected as indicated at 12 in end-to-end axially aligned relation. This housing may be constructed of any suitable material which may include various metals or plastics Which may be necessitated by various types of uses or installations.
The section 11a is externally threaded at one end as 3,304,564 Patented Feb. 21, 1967 indicated at 13 to provide a connection to facilitate faucet or a hose connection of the pumping mechanism to a Water supply source. The opposite end of section 11a is formed into a projecting nozzle 14 having an inner converging wall 15 for converting the entering water into a high velocity jet discharge through a cylindrical restricted opening 16.
The section 11b is formed at its connected end with a cylindrical inner wall portion 17 of substantially the same diameter as the inner wall portion 17' of the section 11a. The wall 17 is in spaced relation surrounding the projecting nozzle 14, and inwardly of the nozzle tip communicates with a truncated conical Wall section 18 which forms the mouth portion of a venturi tube and converges to a restricted throat 19 from which a relatively longer truncated conical wall section 20 diverges to form the venturi discharge leading to the discharge end of housing section 11b. This end is shown as being connected to an end ring which is fitted with a spider support 22 upon which there is mounted an impact dispersion disc 23 for slowing down the discharge velocity of the water leaving the pumping mechanism.
The section 11a in the portion containing the cylindrical inner wall 17' is provided with a conduit connection 24, while the section 11b in the portion containing the cylindrical inner wall 17 is provided with one or more conduit connections, in this instance being provided with two conduit connections as indicated at 25 and 26.
As thus constructed, it will be appreciated that when a water supply from a sink faucet, hose or other means is connected with the upper end of the section 11a, a positive pressure will be established at the conduit connection 24. The water issuing from the nozzle 14 will be emitted at increased velocity, and as this stream spreads out as it approaches the throat 19, a suction Will be created in the mouth portion of the venturi and in the conduit connections 25 and 26. The stream flowing from the throat through the truncated conical wall section 20 will have its velocity gradually decreased as the section area increases. At the discharge end the stream will be further dispersed and slowed down due to its impact against the disc 23.
Utilization of the venturi pumping mechanism will now be described. Although use of the device is not limited to tanks, aquariums, etc., for simplicity the pumping mechanism will be described as utilized for a tank 27 which has a submerged bottom surface 28 and confines a body of liquid 29 therein with a surface level as indicated at 30.
The pumping means is connected foruse byextending the conduit 24 so that its lowermost end will be submerged in the body of water adjacent the bottom surface 28, in which position the positive pressure discharge of the fluid from the conduit will loosen the foreign material on the surface and stir it up so that the adjacently positioned suction connection 26 can remove liquid from the tank together with the displaced foreign material and discharge it into the mouth of the venturi where it will be carried off as waste from the pumping means.
It will be appreciated that as liquid is removedfrom the tank through the conduit 26, this liquid will be replaced by the positive pressure of liquid supplied through the conduit 24.
Under normal circumstances this supply will be less than the amount of liquid removed from the tank. As a consequence there will be a decrease in liquid level 30. The liquid level is automatic-ally maintained at a desired level by extending the conduit connection 25 into the tank so that its end will be at the desired height of liquid level to be maintained. Thus, as the liquid level drops below the end of conduit 25, suction is reduced due to the introduction of air into venturi section 18. The level will cease falling and will stabilize automatically at the desired height when the air gap between the end 3 of conduit 25 and the surface at liquid level 30 is such that liquid removal (by suction) through the conduit 26 equals the liquid replacement rate from conduit 24. Furthermore, in extraordinary circumstances where the replacement supply through conduit 24 is greater than the suction removal rate, the imbalance will be stabilized because conduit 25 will automatically serve to remove liquid by suction in complement to the conduit 26.
On the other hand, it may be desirable to simply utilize the pumping means for removing liquid from the tank which is replaced by a proper flow of fresh liquid so as to maintain circulation through the tank of liquid.
The automatic level control permits the simple control of circulation rate by adjustment of the venturi service supply at the connection 13. For example, the sink or other faucet valve utilized would be sufiicient.
At other times it may be found desirable to inject chemical liquids or fluids into the tank liquid for various reasons and purposes. This is effectively accomplished in the apparatus of the present invention by providing an arrangement shown in FIG. 2 in which a tube 31 is supported on the conduit 24 so that a connected nozzle 32 will be positioned with its discharge end opening in a downstream direction. Flow through the conduit 24 will induce suction flow in the tube 31, and by connecting this tube with a container 33 for the liquid to be injected, the injection will be accomplished automatically. Other means of injecting chemicals or fluids into the tank liquid may comprise the use of manual or automatic squeeze bottles inserted in conduit 24 or by partial diversion of the liquid stream in conduit 24 into a chamber containing pelletized or liquid aliquots of the chemical (detergent, cleanser, coloration agent, frother, emulsifier, collector, purifier, additive, etc.).
From the foregoing description and drawings, it will be clearly evident that the delineated objects of the invention will be accomplished.
Various modifications may suggest themselves to those skilled in the art without departing from the spirit of our invention, and, hence, we do not wish to be restricted to the specific form shown or uses mentioned, except to the extent indicated in the appended claims.
We claim:
1. Apparatus for removing foreign material from a submerged surface in a body of liquid, comprising:
(a) liquid pumping means having a positive pressure outlet connection and a suction inlet connection;
(b) means including a conduit connected with said outlet and having its discharge end positioned for discharging pressurized liquid towards the submerged surface to dislodge the foreign material;
(c) means for injecting a fluid medium into the fiow from said positive pressure outlet; and
(d) means including a conduit connected with said inlet and having its inlet end submerged in said body of liquid for collecting the dislodged foreign mate rial therein.
2. Apparatus according to claim 1, wherein the injecting means includes a conduit having a nozzle at one end positioned to discharge in a downstream direction in the flow from said positive pressure outlet, the other end of said injecting means conduit being immersed in a supply source of said fluid medium.
3. Apparatus for removing foreign material from a submerged surf-ace in a body of liquid and maintaining the liquid level thereof, comprising:
(a) venturi pumping means having a liquid supply connection, a positive pressure outlet connection and a plurality of suction inlet connections; (b) means including a conduit connected with said outlet and having its discharge end submerged in said body of liquid for discharging pressurized liquid therein;
(c) means including a conduit connected with one of said inlets and having its inlet end positioned adjacent the discharge end of said first conduit for collecting liquid having the dislodged foreign material therein; and
(d) means including a conduit connected with another of said inlets and having its inlet positioned at the liquid level to be maintained for said body.
4. Apparatus for continuously removing liquid from a body of liquid and supplying fresh liquid thereto, comprising:
(a) venturi pumping means having an inlet connectable with a liquid supply source, a positive pressure outlet connection at said inlet, and a suction inlet connection;
(b) means including a first conduit connected with said positive pressure outlet and having its discharge end submerged in said body of liquid and directed in a direction for discharging pressurized liquid against a surface to dislodge foreign material thereon; and
(c) means including a conduit connected with said suction inlet connection and having its inlet end adjacent the discharge end of said first conduit for collecting liquid and dislodged foreign material there- 5. In apparatus of the character described, liquid pumping means, comprising:
(a) an elongate housing including an inlet tubular section and an outlet tubular section separably connected in end-to-end axial alignment;
(b) a venturi tube formed by the wall of said outlet section including an upstream mouth portion converging towards a restricted throat portion, and a downstream discharge portion diverging away from said throat portion towards the non-connected end of the outlet section, said mouth portion having an upstream end in communication with a cylindrical wall portion at the connected end of the outlet section;
(0) a nozzle carried by said inlet section at its connected end, said nozzle having a projecting reduced end for discharging into the venturi mouth portion adjacent to said throat portion;
((1) a positive pressure outlet connection on the inlet section upstream of said nozzle; and
(e) at least one inlet suction connection at the connected end of the outlet section, in communication with said venturi mouth portion.
References Cited by the Examiner UNITED STATES PATENTS 11/ 1926 Ackerman.
3/ 1962 Ross 103-262 2/ 1963 Blumenfeld.
FOREIGN PATENTS P6206v/37f 4/1956 Germany.
969,847 9/1964 Great Britain.

Claims (1)

1. APPARATUS FOR REMOVING FOREIGN MATERIAL FROM A SUBMERGED SURFACE IN A BODY OF LIQUID, COMPRISING: (A) LIQUID PUMPING MEANS HAVING A POSITIVE PRESSURE OUTLET CONNECTION AND A SUCTION INLET CONNECTION; (B) MEANS INCLUDING A CONDUIT CONNECTED WITH SAID OUTLET AND HAVING ITS DISCHARGE END POSITIONED FOR DISCHARGING PRESSURIZED LIQUID TOWARDS THE SUBMERGED SURFACE TO DISLOGE THE FOREIGN MATERIAL; (C) MEANS FOR INJECTING A FLUID MEDIUM INTO THE FLOW FROM SAID POSITIVE PRESSURE OUTLET; AND (D) MEANS INCLUDING A CONDUIT CONNECTED WITH SAID INLET AND HAVING ITS INLET END SUBMERGED IN SAID BODY
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US3727766A (en) * 1971-05-18 1973-04-17 D Horne Vacuum skimming apparatus for removing liquid contaminants floating in confined bodies of water
US4014052A (en) * 1976-02-26 1977-03-29 Meridian Industries, Inc. Apparatus for maintaining a predetermined liquid level
US4094785A (en) * 1976-10-26 1978-06-13 Neptume Microfloc, Inc. Suction clarifier method
US4349437A (en) * 1980-07-24 1982-09-14 Rickett David A Automatic and continuous chemical feed system
US4412918A (en) * 1980-07-24 1983-11-01 Rickett David A Automatic and continuous chemical feed system
DE3303958A1 (en) * 1983-02-05 1984-08-09 Udo Th. 4740 Oelde Thüner Method and device for high-pressure cleaning of surfaces
US4512887A (en) * 1982-11-22 1985-04-23 Ritke Harold A Chlorine injector for treatment of effluent
US4610784A (en) * 1984-12-21 1986-09-09 Lance Reyniers Method and apparatus for cleaning and filling an aquarium
US4656676A (en) * 1986-03-31 1987-04-14 Fluidmaster, Inc. Pressure activated cleaner discharge for toilets and the like
US4722670A (en) * 1983-06-20 1988-02-02 Zweifel Michael R Aquarium pump and cleaning system
US4826591A (en) * 1987-10-02 1989-05-02 Caretaker Systems, Inc. Pool skimmer
US5042095A (en) * 1987-11-03 1991-08-27 Fluidmaster, Inc. Cleaner injector system
US5083587A (en) * 1990-10-31 1992-01-28 Laszlo Tarjan Water level and exchange system
US5695654A (en) * 1996-02-05 1997-12-09 Lee's Aquarium & Pet Products Apparatus and method for draining, cleaning, and filling an aquarium
US5799831A (en) * 1996-03-20 1998-09-01 Ecolab Inc. Dual aspirator
US5860451A (en) * 1996-03-12 1999-01-19 Teledyne Industries, Inc. Fluid admixture systems
US5992451A (en) * 1998-03-09 1999-11-30 Chang; Paul C. Reed valve for pool cleaner
US6000418A (en) * 1997-03-20 1999-12-14 International Business Machines Corporation Integrated dynamic fluid mixing apparatus and method
WO2003020012A1 (en) * 2001-09-05 2003-03-13 Franc Gergek Remote controlled water flow and drain system
US6568425B2 (en) 2000-09-05 2003-05-27 Franc Gergek Remote controlled water flow and drain system
US20030141232A1 (en) * 2001-04-25 2003-07-31 Joel Queirel Filtering method for swiming pools with water flow rate multiplying unit
US20040141410A1 (en) * 2002-02-01 2004-07-22 Fenton Marcus B M Fluid mover
US20070210186A1 (en) * 2004-02-26 2007-09-13 Fenton Marcus B M Method and Apparatus for Generating a Mist
US20080230632A1 (en) * 2004-02-24 2008-09-25 Marcus Brian Mayhall Fenton Method and Apparatus for Generating a Mist
US20080310970A1 (en) * 2004-07-29 2008-12-18 Pursuit Dynamics Plc Jet Pump
US20090240088A1 (en) * 2007-05-02 2009-09-24 Marcus Brian Mayhall Fenton Biomass treatment process and system
US20090260694A1 (en) * 2008-04-18 2009-10-22 Belaire Dwayne J Method and apparatus for removing liquids from risers
US20090314500A1 (en) * 2006-09-15 2009-12-24 Marcus Brian Mayhall Fenton Mist generating apparatus and method
US20100012559A1 (en) * 2006-08-25 2010-01-21 Ryuzo Arita Overflow device for water tank
US20100129888A1 (en) * 2004-07-29 2010-05-27 Jens Havn Thorup Liquefaction of starch-based biomass
US7784999B1 (en) * 2009-07-01 2010-08-31 Vortex Systems (International) Ci Eductor apparatus with lobes for optimizing flow patterns
WO2011032894A1 (en) * 2009-09-15 2011-03-24 Solvay Sa Process for treating with a chemical compound a body of water used in aquaculture
US20110232773A1 (en) * 2008-09-01 2011-09-29 Plastec Australia Pty Ltd Device and method for combining water reserves
US20110240753A1 (en) * 2010-04-01 2011-10-06 Proven Engineering And Technologies, Llc Directed multiport eductor and method of use
US8061387B1 (en) * 1999-09-10 2011-11-22 Barnes Ronald L Adjustable venturi
US20120206993A1 (en) * 2011-02-16 2012-08-16 Casper Thomas J Venturi device and method
US20140219048A1 (en) * 2011-10-11 2014-08-07 Kawasaki Jukogyo Kabushiki Kaisha Fluid mixer and heat exchange system using same
US20150202639A1 (en) * 2004-02-26 2015-07-23 Tyco Fire & Security Gmbh Method and apparatus for generating a mist
JP2015169333A (en) * 2014-03-10 2015-09-28 泰熙 射場 Release device of gas reservoir of pipeline, tank or equipment
USD778667S1 (en) 2012-02-16 2017-02-14 Thomas J Casper Venturi device
US9636715B1 (en) 2013-04-08 2017-05-02 Ronald L. Barnes Sanitizing and cleaning process and method
JP2019082251A (en) * 2018-12-27 2019-05-30 射場 泰熙 Air pocket removing device for pipe, tank, or device

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US3024737A (en) * 1959-03-17 1962-03-13 Techne Cambridge Ltd Apparatus for controlling the flow of liquids
US3078998A (en) * 1959-11-06 1963-02-26 Charles M Blumenfeld Swimming pool cleaner and filter
GB969847A (en) * 1963-07-26 1964-09-16 Alexander John Cherney A cleaning apparatus for liquid containers

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DE6206C (en) * W. KNAUER, Guts- und Fabrikbesitzer, in Osmünde bei Gröbers Cooling and heating devices for sugar factories, distilleries, breweries, etc.
US1606492A (en) * 1925-01-21 1926-11-09 Pearl D Patchell Aspirator
US3024737A (en) * 1959-03-17 1962-03-13 Techne Cambridge Ltd Apparatus for controlling the flow of liquids
US3078998A (en) * 1959-11-06 1963-02-26 Charles M Blumenfeld Swimming pool cleaner and filter
GB969847A (en) * 1963-07-26 1964-09-16 Alexander John Cherney A cleaning apparatus for liquid containers

Cited By (69)

* Cited by examiner, † Cited by third party
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