Matches 1 - 50 out of 133 1 2 3 >


Match Document Document Title
US20130015378 ARTICULATING POPPET TO SEAL A NATURAL VACUUM LEAK DETECTION DEVICE  
A Natural Vacuum Leak Detection (NVLD) device having an articulated poppet to allow the sealing surface of the poppet portion to articulate, or wobble, on the end of a poppet pin, where the poppet...
US20130014539 VAPOR VALVE ADSORPTION REFRIGERATOR AND ADSORPTION REFRIGERATOR  
A vapor valve includes a partitioning member for partitioning a space containing gaseous vapor into two spaces, wherein a communication mouth for communicating the two spaces with each other is...
US20140217314 SELF-CLOSING WATER-SAVING VALVE ASSEMBLY  
A self-closing water-saving valve assembly has a casing, a seat, a pushing rod, a closing member and a stand. When said valve assembly is switched off, the closing member and the stand slow down...
US20130153797 ACTUATION OF VALVES USING ELECTROOSMOTIC PUMP  
A method of actuating a valve, comprises operatively coupling the valve with an electroosmotic pump; flowing a fluid through the electroosmotic pump; and generating a fluidic pressure of at least...
US20080283637 FLUSH VALVES, IRRIGATION SYSTEMS INCLUDING FLUSH VALVES, AND METHODS FOR FLUSHING DEBRIS FROM IRRIGATION SYSTEMS  
Valves for use in irrigation systems include a moveable sealing member disposed within a valve body. The moveable sealing member is configured to close automatically the valve when the magnitude...
US20110204266 PRESSURE RELIEF VALVE  
A micromechanical pressure relief valve arrangement (10) comprises a stack of wafers (13). An active pressure relief valve (20) is realized within the stack of wafers (13). A passive pressure...
US20090146089 PRESSURE TYPE FLOW RATE CONTROL REFERENCE AND CORROSION RESISTANT PRESSURE TYPE FLOW RATE CONTROLLER USED FOR THE SAME  
A pressure type flow rate control reference which allows performance of flow rate calibrations of a flow rate controller on all types of gases, including corrosive gases, at low costs, and also...
US20100006787 Fluid Controller With Joint  
To provide a fluid controller with a joint, which has a general versatility and can reduce a storage cost and a storage space. Between a joint 12 and a body 23 of a fluid controller 13, a passage...
US20070257218 Backflow-Preventer  
The invention is concerned with a seal, particularly in a line which is connected to a sanitary appliance such as a shower drain and the sewer It has a passageway with a passage (4) of which a...
US20140137553 VACUUM-ACTUATED WASTEGATE  
Embodiments for vacuum generation are provided. In one example, a method for an engine including a turbocharger having a compressor driven by a turbine comprises generating vacuum via exhaust flow...
US20150159605 Pneumatic emergency shut-off valve  
A drive device for generating a drive movement includes a consumer, a fuel tank, which is connected to the consumer through a fuel line, and a pneumatically operable emergency shut-off valve in...
US20140084193 Dual Control Dead Man System  
A dual control shut off system, such as a dead man system for a blasting system, blasting equipment, or other equipment having both pneumatic and electric safety control circuits, may include an...
US20090173900 Self-Regulating Valve for Controlling the Gas Flow in High Pressure Systems  
A controlled pressure release valve controls the gas flow in high-pressure systems. The valve includes a valve body, a slidable spool, a primary flow passage, a first and second chamber, a first...
US20120025114 SAFETY VALVE AND METHOD OF USE  
Embodiments of a method of operating a safety valve and a safety valve system are provided. The valve system includes a valve, an actuator, a mechanical override, and an indicator. The actuator...
US20110240126 SAFETY VALVE AND METHOD OF USE  
Embodiments of a method of operating a safety valve and a safety valve system are provided. The valve system includes a valve, an actuator, a mechanical override, and an indicator. The actuator...
US20140131597 VALVE  
A valve mechanism, which constitutes a solenoid valve as one example of a valve, includes a valve plug that is displaced in an axial direction under an excitation action of a solenoid unit, and is...
US20120097448 Percussion Mole  
An apparatus for inserting a ground-loop for a geothermal heat-pump system comprises: a percussion mole (4); a first fluid pipe (5), connected to the mole (4), for conveying a heat-exchange fluid...
US20140138563 ENCAPSULATED VALVE SYSTEM  
An encapsulated valve system includes a first housing portion having a first facing surface, the first facing surface comprising a plurality of branch pathways formed as a recess within the first...
US20120055555 DIAPHRAGM VALVE  
Novel features enhancing the operation of a diaphragm valve include a specialized diaphragm profile for enhanced securement of the diaphragm in the valve body, and a quick-connect feature joining...
US20090152481 DIAPHRAGM-SEALED VALVE WITH PROCESS PURGING GROOVE  
A diaphragm-sealed valve provided with a valve cap and a valve body, a diaphragm and a plunger assembly. The diaphragm is compressibly positioned between the valve cap and the valve body. The...
US20080073605 Fluid-controlled valve  
A fluid-controlled valve includes a housing, a valve, and a sealing member. The housing has an annular valve seat, which has a fluid passing hole therein. The valve sits on or is separated from...
US20060065579 Automatic leak responsive valve  
In accordance with the principles of the invention, an automatic shut-off valve is provided for use with a fluid utilization device. The valve automatically cuts off water to the utilization...
US20110315905 GASKET TYPE ORIFICE AND PRESSURE TYPE FLOW RATE CONTROL APPARATUS FOR WHICH THE ORIFICE IS EMPLOYED  
A gasket type orifice includes a first orifice base having a through-type passage in a central area thereof, a second orifice base having in a central area thereof a through-type passage...
US20140140821 VACUUM-ACTUATED WASTEGATE  
Embodiments for vacuum generation are provided. In one example, a method for an engine including a turbocharger having a compressor driven by a turbine comprises generating vacuum via compressor...
US20120160417 Single axis gate valve for vacuum applications  
A gate valve useful for pumping a high-vacuum processing chamber. The valve housing includes a first port for attachment to the vacuum chamber and a second port on the opposed wall and aligned...
US20100294508 FLOW-ACTUATED ACTUATOR AND METHOD  
Disclosed herein is a flow-actuated actuator. The actuator includes, a tubular movable relative to a structure within which the tubular is positionable, and a plurality of full bore flow-resisting...
US20130119285 SHUT-OFF VALVE TESTING SYSTEM  
The shut-off valve testing system provides for the testing of the main shut-off valve of a combustible gas supply line in such facilities as refineries, factories, or other plants utilizing such...
US20130291946 VALVE WITH ACTUATOR  
The current invention relates generally to valves and actuators. This invention further relates to valves where the phenomenon known as “slamming” is completely mitigated and/or eliminated through...
US20130146314 HIGH RATE DISCHARGE (HRD) VALVE OPENING MECHANISM FOR A FIRE AND EXPLOSION PROTECTION  
A valve actuation mechanism has a plurality of links. Each link has a proximal end and distal end, and the links are disposed adjacent a valve member. The actuation mechanism also has at least one...
US20100012867 COMPENSATED VALVE  
In a valve assembly (1) comprising a valve housing (2), a valve seat (3) and a valve body (4) adapted to fit in closing relationship in said valve seat (3) in a closed position, said housing (2)...
US20120085946 Valve Device  
The invention relates to a hydraulic valve device (1) including a high pressure connection (P′) and a low pressure connection (T′); at least one motor port connection (A′) that is connectable to a...
US20120001103 CONTROL DEVICE  
In a control device for a technical processing plant, a pneumatically driven actuator having an actuator stem is provided together with a valve operated by the actuator, the valve having a valve...
US20090252592 SYSTEM FOR CONTROLLING A PLURALITY OF TURBOMACHINE DISCHARGE VALVES  
The invention relates to a pneumatic unit for activating a plurality of discharge valves of a turbomachine, the pneumatic unit having activation outlets corresponding to the number of discharge...
US20110031422 VALVE-CONTROLLED POSITIVE-DISPLACEMENT MACHINE  
In a valve-controlled hydrostatic positive-displacement machine and a method for its control, the positive-displacement machine having a plurality of cylinder-piston units which are activated or...
US20090084996 SERVO VALVE  
A servo valve for a hydraulic power steering system includes a valve shaft that is rotatable about a valve axis, a valve sleeve that cooperates with and may be rotated in relation to the valve...
US20140138562 VACUUM-ACTUATED WASTEGATE  
Embodiments for vacuum generation are provided. In one example, a method comprises when boost is below a threshold, generating vacuum with an actuator in a first position by flowing air from a...
US20130221252 PNEUMATIC GATE VALVE WITH INTEGRATED PRESSURIZED GAS RESERVOIR  
A rapid-closure gate valve (10) comprising pressurized gas reservoirs (37, 39) that are integrated with the valve body (12). Pressurized gas stored in the reservoirs (37, 39) is utilized to shift...
US20090127483 FLUID HANDLING DEVICE WITH ISOLATING CHAMBER  
A fluid handling device includes a body portion defining a flow passage and an impulse chamber extending from the flow passage. The impulse chamber is fluidly coupled with the flow passage and has...
US20090152480 FLUID BACKUP PREVENTING SYSTEM, AND METHOD OF USE THEREOF  
An apparatus for continuously controlling fluid flow in a sewer conduit, comprising: a) moisture sensors detecting levels of fluid in this conduit; b) an inflatable bladder, mounted in the sewer...
US20070214554 Dispensing Means And Valve Means For Use Therewith  
A dispensing means (10) for delivering a dose of a first liquid into a second liquid is provided, the dispensing means comprising an enclosure (12) for the first liquid, and valve means (16), the...
US20140034139 VARIABLE VALVE ACTUATION SYSTEM INCLUDING AN ACCUMULATOR AND A METHOD FOR CONTROLLING THE VARIABLE VALVE ACTUATION SYSTEM  
A system according to the principles of the present disclosure includes a valve actuator, a pump, an accumulator, and a control valve. The valve actuator actuates at least one of an intake valve...
US20120192569 PITOT TUBE WITH INCREASED PARTICLE SEPARATION EFFICIENCY  
A pneumatically actuated valve includes a valve body, a pneumatic actuator, and a pitot tube. The valve body includes a valve disc positioned in a valve housing that defines a flow passage with a...
US20120145933 LIQUID FILLED PRESSURE/VACUUM VALVE FOR PETROLEUM UNDERGROUND STORAGE TANKS  
A liquid filled pressure/vacuum valve for underground storage tanks has a body having an inlet coupled to the UST and an outlet coupled to atmosphere. The valve has a suction zone disposed in the...
US20110049399 PRESSURE EQUALISATION DEVICE  
A pressure equalisation device adapted to be operatively connected to an enclosure, the device including an air passage which, when the device is so connected to the enclosure, provides a fluid...
US20090182275 Disposable shutoff valve apparatus for suction devices and the like  
A disposable shutoff valve apparatus used in conjunction with a surgical suction device having a suction nozzle for stopping the suction action and muffling the noise from the suction device...
US20110079291 VALVE  
A valve has a movable valve element extending across a passageway within a housing and a central aperture, either through the valve element itself or in an adjacent part of the housing, which is...
US20150034846 AUTOMATIC DETECTING AND REPAIRING WISDOM VALVE APPARATUS  
An automatic detecting and repairing wisdom valve apparatus includes a valve having a valve sheet; a valve switch connected to the valve sheet through a stem; a driver connected the valve switch;...
US20120193560 VALVE DEVICE  
A valve device includes an oil path that is formed such that a hydraulic fluid flows therethrough, a ball valve that opens and closes the oil path, and a contraction-type PVC gel actuator...
US20080210307 CONTROL OF SLIT VALVE DOOR SEAL PRESSURE  
Apparatuses and methods are provided for sealing a slit valve passage between two substrate processing chambers. A body with two openings to register with openings in the walls of the process...
US20070012891 Prototyping methods and devices for microfluidic components  
A printing method to fabricate three-dimensional microfluidic components is disclosed. A three-dimensional mold made of a first wax is formed. A sacrificial material made of a second wax is...

Matches 1 - 50 out of 133 1 2 3 >