Class 137/892 - With selectively operated flow control means in inlet

Subclass of Class 137 - Fluid handling
Definition: System including means located in an inlet flow line or
No. of patents: 52
Last issue date: 12/06/2011

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Number	Title	Issue Date
8069878	Hand-held dispenser A hand-held dispenser for precisely controlling the flow rate of water therethrough and for injecting a liquid chemical into the water passing through the apparatus. ...	12/06/2011
7481243	Method and apparatus for the disposal of waste fluids An innovative method and apparatus for disposing of waste fluids, especially human body fluids such as are generated during surgery, into a hospital's sanitary sewer system is provided. A conduit system is adapted to transport waste fluid from a receptacle to a sani...	01/27/2009
7383861	Gaseous fuel device A fuel conversion device comprises a restriction in a carburetion system configured to draw a gaseous fuel and air into the carburetion system. The fuel conversion device comprises an air inlet and a fuel air outlet coupled within the restriction. The fuel conversio...	06/10/2008
7353811	Exhaust gas recirculation device An exhaust gas recirculation device for an internal combustion engine, in particular in a motor vehicle, includes a recirculation line and a fresh gas line section. A Venturi nozzle is designed in an inlet area of the fresh gas line section. The recirculation line o...	04/08/2008
7308966	Device for reducing jet engine exhaust noise using oscillating jets A device for reducing engine exhaust noise in an aircraft engine includes a number of oscillating jets which direct an oscillating flow into the engine exhaust. The oscillating jets are connected via channels to a turbomachinery source of high pressure gas, where th...	12/18/2007
7107765	System for improving motor vehicle performance A system for improving motor vehicle performance includes an air intake heat exchanger placed in-line with the air intake of the motor vehicle. The air intake heat exchanger is coupled to a source of pressurized media for selective application of the pressurized med...	09/19/2006
7061161	Small piezoelectric air pumps with unobstructed airflow A T-shaped blade, or one or more hollow tubes, are vibrationally excited by one or more piezoelectric elements to generate an airflow from a free end of the blade or tube(s). The airflow may be directed to, or drawn away from, an electronic component to cool the ele...	06/13/2006
7036529	Arrangement for mixing a first and a second gas flow An arrangement for mixing a first and a second gas flow, for example, an inlet flow with a exhaust gas return flow in a diesel engine, comprising a line (16) for the first flow, an inlet (7) for the second flow in the line (16), in order to achi...	05/02/2006
6655401	Multiple chemical product eductive dispenser A dispenser selectively mixes one or more chemical fluids into a motive fluid such as water by using diverting motive fluid to one or more channels formed in an eductor body, at least one of the channels being an eductor. When the motive fluid passes thro...	12/02/2003
6571824	Dual material chemical injector for vehicle wash system A chemical injection system for use in a vehicle wash system having a single spray arch that distributes a plurality of various chemicals onto a vehicle during the wash process. The chemical injection system includes a high pressure supply manifold formed...	06/03/2003
6315000	Eductor system and method for vapor recovery The EVRU is essentially an eductor, configured and designed, to capture and recover hydrocarbon fluids (gases and/or liquids) and/or other vapors and recombine and reinject into the system so that all the fluids are combined into a closed system to reduce...	11/13/2001
6308740	Method and system of pulsed or unsteady ejector The present invention reveals a method and apparatus for more efficiently injecting a primary fluid flow in a fluid ejector used to pump lower velocity fluid from a secondary source. In one embodiment, the primary fluid flow is a pulsed or unsteady fluid ...	10/30/2001
6293294	Method and apparatus for fluid mixing and dispensing A fluid mixing device has an inlet passageway for connection to a primary fluid supply, an outlet passageway; and at least two separate venturi passageways each connected between the inlet and outlet passageways. Each venturi passageway has a throat porti...	09/25/2001
6250324	In-line venturi An apparatus for inserting a venturi tube having an inlet, an aspirator inlet and an outlet directly within a fluid flow stream, with the aspirator inlet not in contact with the fluid flow stream is disclosed. A plate having a first aperture leading to th...	06/26/2001
5992464	Pre-compression nitrox in-line blender The pre-compression nitrox in-line blender of the present invention has, at an upstream end, an oxygen diffuser for diffusing into an annular cavity of the diffuser oxygen supplied into an innermost cavity from a selectively adjustable pressure regulator ...	11/30/1999
5934328	In-line venturi An apparatus for inserting a venturi tube having an inlet, an aspirator inlet and an outlet directly within a fluid flow stream, with the aspirator inlet not in contact with the fluid flow stream is disclosed. A plate having a first aperture leading to th...	08/10/1999
5913327	Device for introducing substances into water A device for introducing substances into water, comprising a water supply element having a throughgoing passage, one end connectable with a water source and another end connectable with a water discharge element so that water passes from the water source ...	06/22/1999
5794643	Pressure regulated diverting apparatus and method for water conservation A pressure regulated diverting system (10) for water conservation includes a vacuum flow device (12), a diversion line (14), a regulating valve (16), and a containment device (18). The vacuum flow device (12) is inserted in line with the main hot water su...	08/18/1998
5775592	Upstream inlet injector An apparatus and method for injecting a chemical upstream of a pressure washer includes an injector valve comprising a housing having a passageway through which the wash stream flows. The injector is installed upstream of the pressure washer pump. A chemi...	07/07/1998
5770053	Hydraulic equipment draining means A draining apparatus drains and dries hydraulic equipment such as aircraft circuits. The draining equipment includes a reservoir connected to the equipment by a suction line. (Venturi 20) which produces a vacuum in the reservoir responsive to compressed a...	06/23/1998
5758799	Liquid chemical measuring and distribution system A method and apparatus for drawing and measuring an amount of liquid agrichemical and dispensing the measured amount of agrichemical for mixture with water and eventual application onto a field. The agrichemical is drawn into a measuring vessel by suction...	06/02/1998
5676173	In-line venturi An apparatus for inserting a venturi tube having an inlet, an aspirator inlet and an outlet directly within a fluid flow stream, with the aspirator inlet not in contact with the fluid flow stream is disclosed. A plate having a first aperture leading to th...	10/14/1997
5651398	Chemical solution filling system A method for dispensing and handling chemical solutions by using a dispensing station. The dispensing station includes a cabinet having a fill compartment and at least one concentrate bottle compartment. The cabinet's top wall has a funnel for supporting ...	07/29/1997
5505382	Apparatus for distributing liquid solutions The present invention is directed to a liquid dispensing apparatus such as those used in the application of liquid chemicals to a lawn. The liquid dispensing apparatus is comprised of a first wall, which can also serve as a handle, with a first inlet port...	04/09/1996
5505566	Powder injector A powder injector creates a powder-air mixture and feeds the mixture to a powder coating gun. The injector comprises a powder suction conduit, an injector nozzle fitted in the powder suction conduit, a mixing cone with a venturi tube connected thereto, th...	04/09/1996
5490576	Air pressure adjusting module having variable blade device of independent structure An air pressure adjusting module having variable blade device of independent structure is disclosed. The device being connected to an oil supplying device mounted with a nozzle having an external throttle and an internal throttle provides a finer and homo...	02/13/1996
5462079	Anti-siphon mixing valve A hot and cold water mixing valve for use with faucets, shower/tub controls and other plumbing fittings includes a sleeve having a hot water inlet and a cold water inlet spaced therefrom and an outlet axially spaced from the inlets. There is a stem movabl...	10/31/1995
5443094	Concentrated product dilution system A product dilution system constructed according to the present invention includes an aspirator wherein a product delivery means allows a product concentrate to flow into the aspirator, and is sized in combination with the size of an outlet orifice of the ...	08/22/1995
5335696	Three-way weir style valve The invention disclosed is a three-way weir valve. The valve housing has a common flow duct and two additional flow ducts, all connectable to external flow lines. A weir with two valve seats on opposite sides of the weir separates the common flow duct fro...	08/09/1994
5311907	Vortex diode jet A fluid transfer system that combines a vortex diode with a jet ejector to transfer liquid from one tank to a second tank by a gas pressurization method having no moving mechanical parts in the fluid system. The vortex diode is a device that has a high re...	05/17/1994
5250267	Particulate collection device with integral wet scrubber An integrated jet scrubber and particulate collection device for removing sulfur oxides and other contaminants from combustion flue gas and also for removing particulates from this gas, such operations occurring in a single, integrated unit or assembly. I...	10/05/1993
5245977	Flow proportioning mixer for gaseous fuel and air and internal combustion engine gas fuel mixer system A flow proportioning mixer is provided for mixing gaseous fuel and air, the mixer having therein a gas chamber adapted to discharge the gaseous fuel to a mixing channel, an air chamber adapted to direct the air into the mixing channel to mix with the fuel...	09/21/1993
4860795	Venturi block having cut off A vacuum venturi device including a bypass valve responsive to an increase in inlet pressure to divert pressurized gas to the low pressure port of the device to effect fast vacuum cut off and blow off....	08/29/1989
4854339	Freeze valve apparatus Freeze resisting valve apparatus, for controlling water flow, includes: a vertically elongated, hollow valve body having a lower portion adapted for installation underground, the body having a lower water inlet associated with that lower portion, and an u...	08/08/1989
4732328	Inlet nozzle in particular for swimming pools The inlet nozzle suitable for swimming pools is constructed as a two-piece-spherical body. This is pivotally graduated on a seating ring and equipped with a continuous bore. One part of the spherical body is, with respect to the other, rotatable about the...	03/22/1988
4722363	Additive injection system for fluid transmission pipelines A system for injecting fluid additive into a fluid transmission pipeline including a branch conduit in communication with the pipeline, a pump in the branch conduit for raising the pressure of fluid withdrawn from the pipeline, and an eductor having a bra...	02/02/1988
4714087	Fuel additive proportioning apparatus and method Apparatus and a method is provided for delivering a fuel additive to fuel flowing through a pump from an upstream side to a discharge side thereof for delivery to a dispenser with fuel flow through the pump and dispenser being controlled by a dispensing v...	12/22/1987
4697739	Microtube applicator system Liquid agrichemicals such as pesticides are applied to soil or crops in a continuous stream at low flow rate from microtubes without need for a mixing tank and without clogging of the microtubes during downtime, by a system mountable on a farm vehicle, th...	10/06/1987
4673006	Apparatus and method for removing liquid from and cleaning a container The present invention is directed to a liquid transfer apparatus. The apparatus draws a first liquid from a container to a low pressure region created when a second pressurized liquid is directed through a venturi nozzle. The first and second liquids comb...	06/16/1987
4664147	Flow regulated mixer-injection system A mixer-injector device for introducing incrementally controllable amounts of active chemical reagent into a carrier fluid for delivery to a preselected location. Each device includes means for directing a pressurized carrier fluid thereinto and selective...	05/12/1987

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Class 137/892 - With selectively operated flow control means in inlet