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Class 137/98 - Self-proportioning flow systems


Subclass of Class 137 - Fluid handling
Definition: Systems in which the control means maintains a predetermined
No. of patents: 140
Last issue date: 04/05/2011


1        
NumberTitleIssue Date
7918241Mixed water control valve having a water pressure balance function to stabilize a water temperature
A control valve for a faucet includes a valve housing, a hollow valve seat, two sealing gaskets, at least one water outlet channel, a rotation plate, a control unit, two mounting seats, a fixed sleeve, and a movable sleeve. Thus, the movable sleeve is movable in the...
04/05/2011
7806134Mixed water control valve having a water pressure balance function to stabilize a water temperature
A control valve for a faucet includes a valve housing, a hollow valve seat, at least one water outlet channel, a fixed plate, a rotation plate, a control unit, two mounting seats, a fixed sleeve, and a movable sleeve. Thus, the movable sleeve is movable in the fixed...
10/05/2010
7389786Ultrasonic and sonic odorization systems
A system is shown for injecting a chemical, such as an odorant, from a chemical supply into a fluid containing system such as a natural gas pipeline or an LPG pipeline. A tank of odorant is maintained under a positive pressure which exceeds that of the pipeline. An ...
06/24/2008
7377288Passive device for balancing the pressure of first and second fluids and the use thereof
The device comprises a first valve (35a) and a second valve (35b) each comprising a chamber (13a, 13b) communicating via an admission orifice (19a, 19b) with a circuit or a receptacl...
05/27/2008
7367351Tap pressure balance valve
A tap pressure balance valve for maintaining normal operation of the tap has a coil spring and a cut-off washer disposed in a though hole of a secondary case at where in relation to a water outlet provided on a deck of a primary case for the coil spring to push agai...
05/06/2008
7363934Control valve having pressure balance effect
A control valve for a mixed water faucet includes a housing, two sealing gaskets, a control shaft, a ceramic unit, a sealing ring, a sleeve, a pressure balance unit, an adjusting cock, and a fastening member. The pressure balance unit includes a bushing and a spindl...
04/29/2008
7334604Faucet having multiple different water outlet manners
A faucet includes a rotation unit, a primary water dividing unit, a water outlet member, a secondary water dividing unit, a first control switch, and a second control switch. Thus, the primary water dividing unit has two different water outlet manners, and the secon...
02/26/2008
7335181Nitric oxide decontamination of the upper respiratory tract
A method of topically treating the respiratory tract of a mammal with nitric oxide exposure includes the steps of providing a source of nitric oxide containing gas and delivering the nitric oxide containing gas nasally to the upper respiratory tract of the mammal. A...
02/26/2008
7302966Flow control valve and method
A flow control valve includes a body having a fluid passageway therethrough and first and second openings each adapted for receiving or discharging fluid from the passageway. A piston is slidably disposed in the passageway between the first and second openings of th...
12/04/2007
7261117Diverter valve assembly
According to one embodiment of the present invention, a diverter valve is comprised of a valve body with multiple inlet and outlet ports. The diverter valve is further comprised of two ceramic valve sections that can be rotated with respect to each other to allow th...
08/28/2007
7194911Pressure gage for an expandable gas or fluid distribution system
A system and method for a pressure gage assembly for an expandable gas or fluid distribution system is disclosed. The pressure gage assembly comprises a pressure gage with a male connector on one face, and a female connector on an opposite face. The pressure gage as...
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
7191476Multi-functional switching apparatus for bathroom showers
A multi-functional switching apparatus for bathroom showers comprises first/second control valves, first/second adjusting valve units, first/second control valve spindle units, and first/second handle units wherein the second control valve has a coupling portion flu...
03/20/2007
7188641Water valve assembly for bathroom faucets
A water valve assembly for bathroom faucets, comprising a water passage, an accommodating cavity and a flow diverting unit, whereby the flow pathway within a faucet can be adjusted. The accommodating cavity has a first cavity portion and a second cavity portion, the...
03/13/2007
7185669Proportioner
There is provided a proportioner for the internal admixture, at a constant proportioning ratio, of an inflowing liquid additive to a liquid carrier, the proportioner including a first flow-attenuating means, and a second flow-attenuating means, wherein the first and...
03/06/2007
7165570Pressure balancing cartridge for mixing valve
A pressure balancing cartridge for mixing hot and cold water includes a casing having a sleeve therein which further includes a reciprocating balancing spool therein. There are seal members positioned to form a seal between the sleeve and the casing. Further, a spri...
01/23/2007
7163590Method and apparatus for sensing water flow through a dishwasher including a vacuum switch
A dishwasher includes a water inlet connectable to a water source. A dishwasher element is operable on water received through the inlet. A flow sensor is in fluid communication with the inlet and is operable to generate a control signal indicative of water flow thro...
01/16/2007
7156115Method and apparatus for flow control
A flow control system (10) is provided in which a flow control valve (12) is controlled by a control system (14). The control system (14) measures a flow rate or temperature of a fluid flowing through the flow control valve (12) an...
01/02/2007
7143777Control valve having pressure balance effect
A control valve includes a housing, two sealing gaskets, a shaft, a protective jacket, a fixed plate, a movable plate, a sleeve, a pressure balance unit, and an urging screwing member. Thus, the movable plate is rotated by operation of the shaft without producing de...
12/05/2006
7108012Fluid control valve
A fluid control valve for the mixing of hot and cold water and delivery at a selected flow rate is described wherein an upper housing and lower housing are clamped together by a snap-fit connection thereby enclosing other fluid control valve component parts. A ball ...
09/19/2006
7105096Collection of sludge from the floor of a basin with multiple balanced-flow headers
A method meets needs in material collection by significantly increasing the flow rate through headers that collect sludge without causing problems in priming. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or against...
09/12/2006
7100630Water guard pressure balancer
A fluid supply valve includes a valve plate having cold and hot apertures respectively aligned with the cold and hot inlets. A pressure balancer is rotatably supported adjacent to the mixing valve plate. The pressure balancer is rotatable between a closed position t...
09/05/2006
7100366Device for the post-treatment of exhaust gases of an internal combustion engine
An apparatus for posttreatment of exhaust gases of an internal combustion engine, using a reducing agent to be introduced into the exhaust gases, in particular a urea or a urea-and-water solution, having an improved mixing chamber into which stored reducing agent, v...
09/05/2006
7100603System for providing protection from reactive oxygen species
Method, apparatus and breathable compositions for protecting a person from reactive oxygen species in the body are described. The invention involves providing a person with a breathing gas composition comprising at least one fuel gas compound. Apparatus and methods ...
09/05/2006
7086602Valve for mixing cold and hot water
A valve includes a housing having an inlet opening and an inlet orifice for receiving cold and hot water, a barrel slidably received in the housing and movable to control the cold and the hot water to flow into the housing. A stem is secured to the barrel and shorte...
08/08/2006
7083118Device for injecting and mixing liquid fertilizer with water flow in a sprinkler system pipeline
The invention relates to a device for mixing a liquid such as fertilizer with water flow in a sprinkler pipeline where the liquid is timely dispensed over a period of time from a fertilizer chamber into a mixing chamber for mixing with the water before re-entering t...
08/01/2006
7066204Multi-port diverter valve assembly with integral detent
A multi-port diverter valve assembly with an integral detent feature includes a valve body and a diverter valve cartridge and cap combination wherein the cap includes one or more deflectable fingers positioned so as to “detent” into one or more detent recesses f...
06/27/2006
7056360Optical odorization system
A system is shown for injecting a chemical, such as an odorant, from a chemical supply into a fluid containing system such as a natural gas pipeline. A tank of odorant is maintained under a positive pressure which exceeds that of the pipeline. An injection conduit c...
06/06/2006
7032272Friction hinge
A motion control device for controlling the movement of an operational member about a first axis and about a second axis includes a spindle having a socket and a control arm wherein the socket defines a first axis opening. The device includes a cylindrical pivot mem...
04/25/2006
7028702Automatic water pressure control valve balancing temperature of mixed water
The present invention discloses an automatic water pressure control valve balancing the temperature of mixed water, eliminating a cylinder enclosing the pressure control piston and multiple seal rings, to reduce the number of parts and to minimize the production cos...
04/18/2006
7021472Collection of sludge from the floor of a basin with multiple balanced-flow headers
A system meets needs in material collection by significantly increasing the flow rate through a header that collects sludge without causing problems in priming. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or again...
04/04/2006
7014166Faucet device operatable either manually or automatically
A faucet device includes a shank coupled to a water reservoir and having two outlets, a solenoid valve is coupled to one of the outlets of the shank, a faucet housing includes a chamber and includes an outlet spout. A valve casing is disposed in the faucet housing, ...
03/21/2006
6997415Method and arrangement for aircraft fuel dispersion
Method and arrangement for dispersing fuel 62 within a fuel containment system 60 of an aircraft 30 including utilizing a fuel containment system on an aircraft that is located at least partially within a wing 34 of the aircraft and defin...
02/14/2006
6973975Universal transportable compressed air foam fire fighting system
A compressed air/foam fire fighting system which is sufficiently compact to be carried on the bed of a pick-up truck includes a water tank, a pump for providing water at substantial pressure to a water conduit, an engine for driving the pump, a foam reservoir includ...
12/13/2005
6935103Device for exhaust-gas purification, and an operating and monitoring for said device
A device for exhaust-gas purification utilizes reduction of nitrogen oxides which are present in the exhaust gas from internal combustion engines by way of gaseous ammonia with an SCR catalytic converter. The functions of the device are monitored with regard to thei...
08/30/2005
6935357Fluid supply failure protection valve
A water supply failure protection valve is connected to hot and cold water supplies. The failure protection valve is responsive to the loss of cold water supply pressure to shut off all water flow. The failure protection valve is responsive to the loss of hot water ...
08/30/2005
6934611Vehicle stability operator feedback system
System for monitoring vehicle operating conditions and parameters and issuing warnings to the operator when a predetermined vehicle status is present. The predetermined vehicle status includes a variety of unsafe driving conditions and is responsive to a changing ce...
08/23/2005
6920899Fluid control valve
A fluid control valve for controlling the delivery of water includes a control lever that is movable in two directions by rotation of the lever about two independent axes. The fluid control valve includes a valve body assembly with flow passageways and a housing ass...
07/26/2005
6880565Shower bath tap valve assembly
A shower bath tap valve assembly allowing easy production and assembly and adaptable also to a ceramic cartridge is essentially comprised of a valve body, a cylindrical balance valve seat to accommodate a balance valve to be forthwith placed in a central trough, con...
04/19/2005
6877523Mixing valve with graduated temperature modulation
A valve assembly for mixing hot and cold water includes a generally cylindrical sleeve having hot and cold inlets and outlets and a rotatable non-reciprocal valve member positioned therein to control the mixture of hot and cold water in the outlet stream. The valve ...
04/12/2005
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