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Class 137/99 - Interconnected flow displacement elements


Subclass of Class 137 - Fluid handling
Definition: Systems in which the proportioning or correlating means
No. of patents: 118
Last issue date: 11/09/2010


1      
NumberTitleIssue Date
7828007Automatic pump control device
An automatic pump control device for an injection pump used to inject fluid (typically methanol) into oil or natural gas wells to prevent freezing. The device enables the pump to operate at rates as low as one full stroke per 1.5 minutes (i.e., 0.67 stroke/min), sub...
11/09/2010
7335005Gear pump with prestressed gear teeth
A gear pump, in particular for pumping material such as rubber mixes, includes an enclosure in which a central gear wheel and two peripheral gear wheels rotate. Teeth of the central gear wheel mesh with teeth of both peripheral gear wheels to pump material from an i...
02/26/2008
7284961Pumping system, replacement kit including piston and/or cylinder, and method for pumping system maintenance
A pumping system including a pump is disclosed. The pump includes a replacement piston and a replacement cylinder associated with the replacement piston. The replacement piston has a cross sectional area smaller than a cross sectional area of an original piston of t...
10/23/2007
7222487Portable electricity generating gravity driven wheel system
A wheel assembly with tangentially attached fluid receptacles around the perimeter rotates to power a gravity driven fluid electricity generating assembly. A plunger pump assembly with a drive wheel powered by the wheel assembly pumps a quantity of fluid to fill a f...
05/29/2007
7196047Fountain solution concentrates
Liquid concentrate components of a fountain solution are provided, including a liquid film-forming fountain solution concentrate and a liquid surface-tension reducing fountain solution concentrate. The concentrates and water can be combined together to form a founta...
03/27/2007
7192559Methods and devices for high throughput fluid delivery
Methods and devices for delivering fluids into microfluidic device body structures are described. The methods and devices include the use of fluid manifolds which are integrated or interchangeable with device body structures. Methods of fabricating manifolds are als...
03/20/2007
7144439Fertilizer containing Yaeyama Aoki extract
An eco-friendly fertilizer that acts as a plant growth promotion agent, soil improvement agent, bactericide and insecticide agent, disease and harmful insect prevention agent and the like, and is suitable for organic farming. The fertilizer contains extract from fru...
12/05/2006
7141190Biaxially oriented hollow thermoplastic bodies and improved method for sterilization
A process of molding thermoplastic preforms into bottles and similar containers wherein pressurized liquids, such as water, are used in the stretching and shaping process instead of pneumatic gases, such as heated air. The result is greater control over the crystall...
11/28/2006
7131454Piston sealing mechanism for liquid additive injection pump
A system for injecting a predetermined amount of a secondary fluid into a primary fluid stream uses a liquid additive injection pump driven by a fluid powered motor driven by the primary fluid stream. The liquid additive pump has a reciprocating piston movable withi...
11/07/2006
7125486Device for removing small solids from water in canal
There is disclosed a device for removing small solids from water. The device includes an axle and a plurality of rotational filtering units installed on the axle. While rushed and hence rotated by water and small solids, the rotational filtering units filter the sma...
10/24/2006
7114443Method of delivering a fountain solution
A method of preparing a fountain solution, a system for blending two or more concentrate components of a fountain solution, concentrate compositions, and articles of manufacture or kits comprising the concentrate compositions are provided. The method comprises combi...
10/03/2006
7093606Liquid fertilizer injector system for lawn sprinkler systems and irrigation systems
A liquid fertilizer injector system attached to a water source by a water source has an inlet line to input the water from the water source line into the liquid fertilizer injector system. The system's components include a holding tank to receive the water from the ...
08/22/2006
7073631Lifting device with synchronization mechanism
A lifting device for a transfer system, in particular for a transfer system with a pneumatic drive, raises and/or lowers transported goods. The lifting device has at least two lifting pistons (3), whose movements are synchronized by means of a synchronization...
07/11/2006
6997350Apparatus for adding fertilizer to water in an underground sprinkling system and fertilizer therefor
Apparatus for adding liquid fertilizer to a water line of a sprinkler system includes a mechanical injector device powered by a paddle wheel turned by water flowing through the water line. The mechanical injector device includes a plunger that moves back and forth i...
02/14/2006
6921001Hydraulic proportioning system
An hydraulic proportioning system having a fluid actuated motor with a driven motor shaft, the motor being in fluid communication with and powered by a fluid source. A pump is provided having a drive shaft driven by the driven motor shaft of the fluid actuated motor...
07/26/2005
6920898High-pressure valve
A high-pressure valve comprises an intake channel and two outlet channels. Further, an actuator is provided for opening and closing the outlet channels. According to the invention, the actuator is provided with a connection channel. The connection channel makes it p...
07/26/2005
6899282Injection spraying system
An injection spraying system for mixing additives in controlled amounts to water for spraying, which improves handling and calibrating of the concentration of the mixture. The system includes a water tank, mixing globe, pump device, unloader chamber and a worm reduc...
05/31/2005
6769449Water booster methods and apparatus
Water is first caused to flow through a first passage and rotate a first impeller. Rotation of the first impeller is linked to rotation of a second impeller, which is in fluid communication with a second, discrete passage. Vanes on the second impeller are constraine...
08/03/2004
6431198Pumping system for the injection of measured quantities of fluid into a fluid stream
A pump system for the selected injection of one or more fluids is disclosed where the system generally includes a flow meter including a means to translate the flow rate through the meter to one or more pumps coupled to the meter such that upon a selected...
08/13/2002
6357466Pumping system for the injection of measured quantities of fluid into a fluid stream
A pump system for the selected injection of one or more fluids is disclosed where the system generally includes a flow meter including a means to translate the flow rate through the meter to one or more pumps coupled to the meter such that upon a selected...
03/19/2002
6299657Process for carrying out chemical reactions using a microlaminar mixer
In the reaction process, at least two educts A, B are divided by a system, assigned to each of them, of slit-like microchannels 1a, 1b into spatially separate fluid lamellae, which then emerge into a common mixing and reaction space 4. The fluid lamellae ...
10/09/2001
6238178Water booster methods and apparatus
Water is first caused to flow through a first passage and rotate a first impeller. Rotation of the first impeller is linked to rotation of a second impeller, which is in fluid communication with a second, discrete passage. Vanes on the second impeller are...
05/29/2001
6209564Device for adjusting pressure difference in a valve fed with two fluids of different pressures
A pressure difference adjusting device is provided for a valve having a first inlet for a first fluid of a first pressure, a second inlet for a second fluid of a second pressure not equal to the first pressure, and an outlet. The pressure difference adjus...
04/03/2001
6135719Method and apparatus for metering injection pump flow
A system for metering a fluid, such as a catalyst in an industrial chemical process plant, includes a controller, a drive pump assembly and an injection pump assembly. The drive pump assembly forces reciprocation of the injection pump assembly via a contr...
10/24/2000
6029688Water wheel for pumping chemical treatment into water stream
The invention is a water wheel supplying energy to a pump. The pump will typically be used to apply chemical treatments to the water stream. Some examples of chemicals to be added are acids or bases to bring the pH to an acceptable level, precipitation ai...
02/29/2000
5896881Process and device to regulate the inner pressure of a tank and/or to establish defined flow conditions for gas currents in the head space of tanks
The process and device according to the invention make it possible to reduce the pressure build-up in the head space as a function of the quantity of inflow medium. It also makes it possible to maintain or create defined flow conditions in the head space ...
04/27/1999
5588088Hot water tempering system utilizing a storage tank, a bypass line and a proportional flow controller
A hot water tempering system tempers the output of a hot water storage tank by mixing that output with a cold water flow in a defined ratio to produce a flow of water at a steady intermediate temperature. The system comprises a bypass line connectable bet...
12/24/1996
5513963Direct action fluid motor and injection pump
A direct action fluid motor and injection pump is disclosed which injects small quantities of a second fluid into a primary fluid stream. A housing has an inlet and an outlet connected to a primary fluid conduit. The housing contains a stepped piston whic...
05/07/1996
5513671Hydraulically controlled water spool valve
A valve, to control the injection of lubricant into a viscous material pump pipeline is disclosed. The valve is operated off a parameter of the viscous material pump such as hydraulic fluid pressure from one or both differential/popper teed lines for the ...
05/07/1996
5505224Device for controlling piston displacement and pump including same
The device (D) for controlling the reciprocating displacements of a differential piston (1) includes at least one valve associated with each of the parts of different cross-sections of the piston (1), and a rocker mechanism (B) urged by a spring in a dire...
04/09/1996
5454395Fluid motor metering device
This invention relates to an accurate mechanical proportioning pump and/or mixing device that is adaptable for industrial, commercial and consumer use that incorporates a series of piston-seal-cylinder configuration with necessary check valves and seats t...
10/03/1995
5433240Low-ratio proportioner
The present invention provides a self-powered proportioner which can automatically, proportionally mix two fluids in a low ratio. A fluid gating means is disposed intermediate a fluid supply and a motor piston to cause reciprocating movement of the motor ...
07/18/1995
5425968Method and apparatus for the refinish application of multicomponent coating compositions
An improved method and apparatus for applying a multicomponent coating composition onto a substrate. The method comprises separately transporting at least one component under pressure to a proportioning device which provides a controlled ratio of the comp...
06/20/1995
5181467Automatic dampening water replenisher
The improved automatic dampening water replenisher has two flow sensors that respectively measure the flow rates of stock solution and diluent water which are to be mixed to prepare dampening water with which the tank of dampening water is to be replenish...
01/26/1993
5156301Constant ratio post-mix beverage dispensing valve
The present invention is a post-mix beverage dispensing valve for accurately maintaining the proper ratio of two liquid beverage components. The present invention includes a valve main body having a gear pump secured thereto. The gear pump includes two se...
10/20/1992
5146944Dual pump metering dilution apparatus
Apparatus for dilution of one liquid with another, such as a pesticide concentrate diluted with water, wherein dual piston displacement pumps are each actuated respectively by a coil spring and by an opposed hydraulic actuator with a piston powered by the...
09/15/1992
5121855Beverage dispenser system using volumetric ratio control device
A post-mix dispensing valve for a beverage dispenser, including a self-contained volumetric ratio control device incorporated therein to provide positive ratio control. The device includes a single piston in a single cylinder, syrup and soda chambers, and...
06/16/1992
5110458Mixer and fluid filtering unit
The mixer and fluid filtering unit is connectable to a source of a first or base fluid under pressure and to a source of a second fluid or solute which may be a solute pumping unit. The base fluid flows into a mixer section through a first inlet, and a sm...
05/05/1992
5108273Helical metering pump having different sized rotors
A pump assembly includes commonly driven coaxially positioned helical rotors, rotatably engageable within corresponding stators. Each combination of rotor and stator defines a pump having a different volumetric flow rate, each pump discharging to a common...
04/28/1992
5066203Apparatus for pneumatically discharging concrete
In an apparatus for pneumatically discharging concrete fed hydromechanically in a dense stream, using for the hydromechanical feed a concrete pump having a hydraulic drive comprising at least two cylinders with opposed pistons, said pump having synchroniz...
11/19/1991
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