Matches 1 - 50 out of 169 1 2 3 4 >
Match Document Document Title
7360611 Flow system for a hydraulic choke solids strainer  
A strainer system having two separate strainers positioned in parallel, where one strainer can be cleaned while still permitting normal flow through the other strainer. The system flow circuit is...
7322375 High bandwidth rotary servo valves  
A valve includes a rotating, substantially pressure-balanced spool that selectively aligns openings within the spool with openings within a sleeve to selectively connect ports of a manifold for gas...
7278448 Rotary ball valve assembly  
A method of forming a ball valve element for a rotary ball valve assembly, the method comprising the steps of: (a) inserting an impedance element through an insertion opening of a ball valve...
7275606 Solids strainer system for a hydraulic choke  
The invention contemplates a strainer based upon a four-way, two-position rotary cylindrical plug valve having a hollow plug. The normal entry port for the sealing plug of the plug valve is a...
7234488 Valve assembly and method with slotted plates and spherical ball plug  
A valve assembly, comprises a housing having an inlet, an outlet, and an internal volume; a pair of sealing rings and mounted to the housing; and a spherical plug rotatably disposed within the...
7178782 Quiet opening ball valve  
A valve uniquely integrates ball valve and throttling valve principals, thus affording quieter stop-and-start operation. A ball held by two seat rings is rotatable ninety degrees and has a...
7143782 Pressure regulator module for controlling a gas  
A pressure regulator module for controlling a gas is provided, which includes a chamber, at least one gas inlet, and at least one gas outlet. In addition, a proportional valve operating essentially...
7117894 Ball valve with high damping of the noise due to fluid passage  
A regulation ball valve for a fluid flow in which a ball is rotatable to bring a passage thereof from a limit position of full opening of the valve to a limit position of full closure of the valve...
7011109 Drag ball valve  
A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable...
6983925 Rotary barrel gate valve  
A rotary barrel gate valve includes a body and at least one passage through the body defining an inlet and an outlet. There is a first actuator for rotating the body, a second actuator for...
6923210 Rotary drag valve  
A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable...
6874486 Supercharger with multiple backflow ports for noise control  
A supercharger includes multiple back flow ports which are controlled by valves. The valves regulate the timing and area for back flow of pressurized outlet air into the rotor chambers. The back...
6834675 Integrated multipurpose caged valve  
An integrated multipurpose valve is a valve in which more than one type of valves are integrated in a cage held permanently in the pipeline, and the valve as a while can perform multiple functions...
6810664 Slotted spool valve  
A slotted spool valve for a speed control apparatus offering rapid response to prevent speed searching and cogging at low speed settings. Round port spool valve arrangements are replaced with a...
6675832 Blowdown valve  
Disclosed is a blowdown valve for a boiler system for removing fluid that contains debris. The blowdown valve comprises a housing for a shutoff valve and a reversible throttle valve. The shutoff...
6651697 Fitting, especially a tap cock  
A fitting, particularly a tap cock, for receptacles such as tank trucks or containers, which includes a housing ( 2 ), having an inlet opening ( 12 ) and an outlet opening ( 14 ), and a rotatable...
6540206 Bidirectional ball valve particularly for ecological frigorific gases  
The present finding relates to a bidirectional ball valve usable particularly for ecological frigorific gases, which has a valve body housing a ball shutter connected to a control rod sealingly...
6527194 Flow control damper  
A damper including a pair of damper members movable with respect to each other is disclosed. Each damper member has at least one wall correspondingly inclined to an axis of the damper. The inclined...
6273133 Fluid flow rate switching device  
A fluid flow rate switching device providing a plurality of precise user selectable flow rates. Generally, the device includes a housing having a port and a plurality of passages. Respectively...
6240959 Hydraulic safety fuse device  
A protective device for a hydraulic system includes a block which forms a housing with at least one fluid flow inlet into the housing and at least one fluid flow outlet. A plurality of fluid flow...
6085787 Control valve  
A control valve comprises a valve body (1) including two flow channels (2, 2'); a cup-formed, steplessly turnable closure member (5); and a shaft (6) for turning the closure member. On the sides of...
6029702 Valve with internal diffuser  
An internal diffuser on a diffuser stem is disposed in a bore of a rotary control valve for attenuating vibration in gas service or cavitation in liquid service. The valve has a valve body and a...
6024125 Rotary valve  
A rotary valve provides a casing have an inlet and an outlet and a shaft mounted plug that selectively covers the inlet. A seat ring having an inner seating shoulder that is eccentric relative to...
6021812 Ball plug valve  
5957377 Flow control valve and hot-water type heater apparatus employing the same  
To be able to control minute flow in a heat exchanger flow control valve without requiring a minute opening portion, an opening surface area of a hot-water inlet pipe into which hot water flows...
5950664 Valve with improved combination bearing support and seal  
A valve body having a first and a second port and, optionally, a removable cartridge disposed in the valve body between the first and second ports. A bearing insert is attached to and disposed in...
5937901 Rotary noise attenuating valve  
A rotary noise attenuating valve is provided which utilizes noise attenuation technology previously utilized with linear valves. The arrangement includes an impedance assembly in which the area...
5799695 Flow regulating valve of the ball or plug type  
The flow regulating valve (10) of the ball or plug type comprises a ball (13) which rotates about a rotation axis (14) and comprises a shut-off area (15) and a regulation area (16). The regulation...
5765588 Fluid flow control device particularly useful as a pressure regulator  
A fluid flow control device particularly useful as a pressure regulator in a water supply system for poultry or other animals, includes a valve member movable towards and away from a valve opening...
5758689 Control valve with partial flow diffuser  
A partial diffuser is provided in a flow path of a pipe or valve, dividing the flow path into an unrestricted flow region, a greater restricted flow region, and a lesser restricted flow region. The...
5687755 Equipment comprising a condensate trap  
A condensate trap assembly 12 includes a valve body 28 accommodating a condensate trap element 34 and a valve element 36. The valve element 36 is movable by a positioner 26 to direct flow in a...
5685338 Shut-off device  
A shut-off device, such as a valve or a cock, for pipelines and comprising a casing provided with a flow passageway. The casing is provided with an inlet and an outlet and at least one shut-off...
5674461 Exhaust device  
An exhaust gas purifying device includes a cylindrical carrier carrying a catalyst, the carrier having a number of holes in the cylindrical wall thereof, an exhaust pipe into which the cylindrical...
5669415 Shut-off device of the double block-and-bleed type  
A shut-off device of the double block-and-bleed type comprising a flow passageway accommodating two shut-off members provided with through-going cavities, and a drain means. The flow passageway is...
5623966 Flow control choke with shutoff seal  
A choke 10 for controlling the flow of fluid along the pressurized flow line includes a body 12 having a fluid inlet aligned with a fluid outlet. A stationary outer sleeve 64 is secured within the...
5613639 On/off control valve for a shower head  
An on/off control valve for a shower head comprised of a hollow cylindrical unit having an open first end and an open second end. The open first end is adapted for removable coupling with an...
5524863 Quarter turn rotatable flow control valve  
A rotatable flow control valve mechanism is provided having a valve body having a valve chamber and straight through flow passages intersecting the valve chamber. A rotatable valve element, which...
5522416 Pneumatic pressure regulation system  
An air pressure regulator includes a cylindrical rotor with a hollow interior. The thin walls of the rotor have windows which overlap inlet and exhaust windows in the housing. The rotor is rotated...
5511584 Low noise rotary control valve  
An improved low-noise rotary control valve is disclosed. Such valve includes a valve body (10) and a rotatable ball (12) mounted within the valve body. The improvement includes an upwardly...
5509446 Ball valve or plug valve provided with an insert  
The invention concerns a ball or plug valve for dividing differential pressure into several stages during opening or closing operation of the valve. The valve (1) comprises a body (2) defining a...
5437305 Flow control valve  
A valve includes a body having a valve element positioned therein. The valve element includes a bore therethrough, which is selectively alignable with bores through the valve body. As the valve...
5431815 Drainage and coupling adapter for a fluid conduit  
An adapter for a fluid conduit comprises a stepped diameter tubular member having an enlarged end portion with a plurality of piercable recesses formed thereon, a generally cup shaped obturator,...
5409034 Electrically actuated valve for a pressurized fluid  
An electrically actuated valve for control of a pressurized fluid, particularly a sanitary valve, comprises a rotor (15) arranged in a housing (1) between an inlet passageway (6) and an outlet...
5402867 Shock absorber with auxiliary port in guide member to control hydrodynamic force  
A cylinder (7) having a hydraulic fluid sealed therein is fitted with a piston (8) having a piston rod (9) connected thereto. The piston rod (9) is provided with a bypass passage (B) (generating...
5400825 Rotary noise attenuator  
A rotary valve noise attenuator with a rotary ball control element and a noise attenuator member mounted in the ball having multiple, elongated, substantially enclosed channels formed across the...
5370154 Rotary control valve with variable area orifice  
A rotary control valve with a variable area orifice (or orifices) which communicate with a bypass channel in order to provide infinite control of flow across the valve. The bypass channel may...
5311897 Rotary control valve with offset variable area orifice and bypass  
A rotary control valve is provided with a variable area orifice in the control element that communicates with a bypass channel, which contains noise silencing means, when the valve is in the less...
5267588 Rotary valve  
A core for a rotary valve for a power steering system having in its periphery a plurality of blind ended longitudinally extending slots separated by lands for use in a sleeve member having in its...
5246035 Valve device having stationary and movable or turnable valve bodies  
The invention provides an erosion resistant pressure reduction valve or choke comprising a valve housing (1,22) defining a valve chamber (2) connected with an inlet (3) and outlet (4), a stationary...
5241991 Electro-rheological control valve  
An E-R hydraulic control valve that has two or more surfaces that can be moved relatively to one another to adjust a flow orifice size while maintaining a control voltage gradient across the E-R...
Matches 1 - 50 out of 169 1 2 3 4 >