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7537194 |
Flow control valve
A compact flow control valve with high flow stability is arranged to comprises: a valve body made of resin including; a first passage formed in the valve body; a valve port communicating with the...
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7487955 |
Passive desuperheater
This is a process and apparatus for using a passive desuperheater for passively desuperheating a superheated gas stream before the stream is transmitted to a heat exchanger. A spent gas stream of a...
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7429027 |
Self-flushing needle valve
A needle valve with a hollow needle effective for permitting a portion of the fluid passing through the valve to flow throughout the valve and exit through any leaks in the valve, whereby any...
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7363941 |
Fluid control valve device
Certain embodiments of a fluid control valve include one or more ceramic components that operate substantially free of tensile stress concentrations along the control surfaces. In some embodiments,...
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7237574 |
Controlled dispersion multi-phase nozzle and method of making the same
A nozzle design and method for designing such a nozzle being adapted for three phase slurry flow from the choke into the flash tank during pressure let-down in autoclave mining operations that uses...
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7168678 |
Needle valve construction
A valve including a valve body, the valve body providing an inlet and an outlet, a valve seat between the inlet and the outlet, a valve member, the valve member and valve seat being relatively...
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7137612 |
High recovery metering valve
A high recovery metering valve includes an inlet, outlet and a plenum. An internal valve trim places the plenum in communication with the outlet. A valve poppet is moveably positioned within the...
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7121296 |
Variable orifice valve for air stream containing particulate coal
A variable orifice valve for balancing the flow of particulate coal in an air stream relative to other parallel conduits. The valve comprises a section of conduit which changes in area along its...
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7077299 |
Dispensing faucet for a pressurized source
A faucet comprises a valve body having a bore, an inlet port and an outlet port. A plunger is disposed in the valve body and is reciprocated in the bore. The inlet port opens into a fluid passage...
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7044434 |
High recovery sonic gas valve
A high recovery sonic gas valve design with the inlet flow entering transverse and orthogonal to the outlet flow is presented. The configuration cancels the effects of the inlet flow entering...
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7036790 |
Vacuum pressure regulating valve
An annular valve seat is formed in a connecting path connecting a first main port and a second main port, a circular flow path wall having a diameter greater than a seat diameter is formed around...
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7036788 |
Directly controlled proportional pressure limiting valve
A proportionally adjustable pressure limiting valve wherein a valve cone may be actuated via an armature of a proportional solenoid. The valve cone is cardanically supported in the armature....
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7028983 |
Coupling member of a pipe coupling and valve body used in a coupling member
When a valve body of a coupling member is moving toward a fluid passage closed position, if the valve body becomes inclined, the present invention prevents a sealing ring of the valve body from...
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7007917 |
Electromagnetic control valve
An electromagnetic control valve having a permanent magnet and a needle are fitted in a cylindrical valve body, and a coil, and first and second yokes are mounted on an outside circumferential...
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7004448 |
Trim insert for choke assembly
A trim insert for a choke assembly is disclosed, wherein the trim insert is a tubular member with a substantially constant inner diameter. A first end of the device is positioned within an adjacent...
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6991212 |
Needle valve
In a needle valve ( 1 ) for a high-pressure gas conduit system consisting of two units ( 2, 3 ) which are joined and one of which encloses a stepping motor ( 8 ) and the other includes gas flow...
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6981688 |
Flow control device
A flow control device includes an opening part through which an upstream side of a fluid flow passage is in communication with a downstream side of the fluid flow passage. A valve element closes...
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6962270 |
Dosing valve with flow rate sensor for a beverage dispenser
A beverage dispenser to provide a plurality of different flavors with accurate mixing control comprises a housing ( 40, 42, 44 ) containing a diluent valve ( 46 A, 46 B) and at least two...
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6926249 |
Precision modulating globe valve
A precision modulating globe valve for controlling the flow of a fluid from zero to a maximum flow rate. The valve plug of the globe valve includes at least one flow modulating channel recessed...
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6923203 |
Variable orifice valve for airstream containing particulate coal
A variable orifice valve for balancing the flow of particulate coal in an airstream relative to other parallel conduits. The valve comprises a section of conduit which changes in area along its...
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6896237 |
Control valve for a water closet
An improved control valve in combination with a pressurized water closet having a housing, a spool rotatable within the housing, a valve stem threading engaging the spool but fixed from rotating...
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6892818 |
Interchangeable choke assembly
A pressure reducing apparatus and a method of operating a pressure reducing apparatus are provided. The apparatus is operable to reduce the pressure and flow rate of oil being discharged from a...
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6889702 |
Replaceable valve seat ring with enhanced flow design
A replaceable valve seat ring for a valve assembly has an annular ring body and an open flow passage extending through the ring body. A seating surface is provided on the ring body adjacent one end...
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6820857 |
Needle valve with soft tip stem
A needle valve having a soft tip adapted for sealing an annular valve seat of a body port. The soft tip may be defined as two dissimilar circular rod sections of ductile plastic with the larger...
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6802487 |
Flow regulating apparatus for a fluid, in particular a pneumatic choke valve
A flow regulating apparatus for a fluid, in particular a pneumatic choke valve, includes a housing having an inlet port and an outlet port fluidly connected by a choke channel. A throttling piston...
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6786231 |
Fluid flow regulator with restrictor pin
A fluid flow regulator having a chamber comprising a port opening and a tapered pin disposed within the opening, for controllably restricting the cross-sectional flow area through the port. The...
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6769666 |
Variable port valve plug
A valve assembly has a valve body having an inlet passageway and an outlet passageway. A flow orifice is disposed within valve body and provides flow communication between the inlet passageway and...
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6748965 |
Double directional check valve and flow restrictor combination
A double directional check valve and flow restrictor combination including a housing which contains a pair of axially-aligned check valves and a flow restrictor disposed between the check valves....
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6730232 |
Process and device for separating impurities from a suspension by flotation
Apparatus and a process for separating impurities from a suspension in a flotation cell, including an aeration device for aerating a liquid with a gas until the liquid is saturated. An expansion...
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6729346 |
Pneumatic valve
A pneumatic valve, includes a housing having first and second ports for entry and exit of an operating gas, a main connection line for linking the ports, and a cross bore intersecting the main...
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6662869 |
Ceramic components for high pressure oil wells
A pressure reducing assembly for high pressure oil wells is disclosed. The assembly includes a metallic body having inlet and outlet channels that are lined with ceramic inserts. The assembly may...
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6561480 |
Motor operated valve
The present invention provides a motor-operated valve having no additional stopper for stopping the rotation of a rotor at fully open and closed states of the valve to allow a reduced number of...
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6557584 |
Flow control and flow rate control mechanisms for use in brewing machines with fluidly connected chambers
A brewing machine with brewing water flow control mechanisms for controlling flow between chambers, includes a filling chamber in fluid connection with a heating reservoir. In one aspect of the...
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6494229 |
Pilot-type two-port vacuum valve
In a vacuum valve including a main flow path and an auxiliary flow path for connecting a chamber port and a pump port in parallel, a main valve body for opening and closing a main valve seat in the...
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6478200 |
Beverage dispense device
A beverage dispense device is designed to dispense a chilled carbonated beverage at a temperature close to the freezing point of the beverage without freezing and without excess break out of carbon...
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6409055 |
Filling valve
Filling valve for the metered delivery of a flow of medium, having: a valve housing with a passage having an inlet opening at the top and an outlet opening at the bottom and a valve body which is...
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6349920 |
Poppet valve shaping for quick valve opening
A spool slides in a bore to open and close a valve. The spool moves in a first direction until the spool forcibly engages a seat in the bore, closing the valve. The spool moves in a second...
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6293514 |
Flow regulation valve
A valve including a cylindrical bore having a circular seat at one end thereof, a valve member that is movable in the axial direction of the seat, and control means connected to the valve member,...
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6158714 |
Adjustable orifice valve
The invention relates to valves usable downhole and controlled from the surface hydraulically via control lines or by other techniques. The valve has a minimum flow passage which is preferably...
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6145807 |
By-pass stud with integral safety valve
A valve controlled by-pass stud mechanism for a structure defining a stud receptacle and having a bleed passage intersecting the stud receptacle and normally containing a pressurized fluid medium....
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6126244 |
Pressure control device for electropneumatic brake systems of vehicles, particularly utility vehicles
In the case of a pressure control device for electropneumatic brake systems of vehicles, particularly utility vehicles, an electromagnetically operable intake valve is provided between a compressed...
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6016832 |
Valve for controlling gas mass flow
A fuel admission valve for metering gas without using a mass flow sensor. The valve uses a flow control element and nozzle, an actuator, a fuel supply pressure sensor, a fuel supply temperature...
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6003535 |
Micro control valve and apparatus and method for making semiconductors with high purity process gas
An improved continuously variable micro control valve and an apparatus and a method employing the same for making semiconductors enable a computer to precisely set a driver of the micro control...
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5988202 |
Pre-set maximum flow metering and mixing valves
Pre-set maximum-flow metering and mixing valves and methods of their operation, including limiting maximum axial (longitudinal) withdrawal of a valve metering stem corresponding to its minimally...
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5970996 |
Throttling valve for compressed air or the like and its application to an airjet loom
A throttling valve (11) in particular for an airjet loom includes an electric drive (27) for two valve components (17, 19) subtending a throttling gap (25), the drive including motor displaceable...
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5921275 |
Apparatus for reducing noise generated by the flow of water through a water valve
A fluid valve including a valve body, a flow control member and a cavitation prevention assembly. The valve body has an inlet, an outlet, a fluid passage communicating fluid therebetween, and means...
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5878992 |
Two stage variable flow valve assembly
The present invention relates to a two stage variable flow valve assembly for use in fluid handling. The valve assembly includes a body with a flow restrictor disposed therein to define two...
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5775369 |
Flow regulating valve
A flow regulating valve combines two throttle locations in a valve housing. One throttle location is always so adjusted that a constant differential pressure prevails across the other throttle...
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5725198 |
Non-rotating needle valve
A needle valve in which the needle is moved with respect to its valve seat. The distal end of the needle has a length of a constant, uniform diameter that allows the flow to reach a maximum flow...
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5692684 |
Injection cooler
The invention is directed to a spray cooler for regulating the temperature of superheated steam with a stream of cooling water. Its primary inventive feature is directed to a throttle area which...
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