Matches 1 - 50 out of 78 1 2 >


Match Document Document Title
US20070290154 Air-operated valve  
To provide a low-cost air-operated valve, an air-operated valve comprises a piston, a cylinder in which the piston is allowed to slide by operation air, and a valve section to be driven by sliding...
US20080283783 PROCESS AND DISPOSITIVE OF AUTOMATIC SEALING FOR PIPING EXITS  
This industrial patent has as purpose to facilitate the installation and/or removal process of equipments when these are in an exit of piping 6. The sealing device for piping exits including a...
US20150076378 Actuator  
A valve actuator assembly having an actuator housing coupled to a bonnet and a housing lid. A hydraulic cylinder is positioned within the actuator housing and directly coupled to the bonnet. A...
US20140225013 VALVE MANIFOLD  
A valve manifold includes a valve body carrying pairs of laterally spaced piston actuated valves controlled by control modules operative to selectively pressurize and exhaust an outlet port...
US20130270467 VALVE MANIFOLD  
A valve manifold includes a valve body carrying pairs of laterally spaced piston actuated valves controlled by control modules operative to selectively pressurize and exhaust an outlet port...
US20100025601 POPPET VALVE WITH SLOPED PURGE HOLES AND METHOD FOR REDUCING A PRESSURE FORCE THEREIN  
A poppet valve is disclosed that includes a valve body, a poppet guide disposed inside the valve body so as to form a flow passage from an inlet to an outlet of the valve, a poppet shutter...
US20060243937 HYDRAULIC OVERRIDE  
A valve system comprising a closure member that is linearly translatable within a valve body. A hydraulic override assembly comprises a first end that is connected to the valve body and a first...
US20140138564 COMBINATION DIAPHRAGM PISTON ACTUATOR  
An actuator for operating a linear valve, such as a gate valve, includes a sealing plate that extends across the diameter of a housing. A diaphragm is located on, and fully supported by, the...
US20080213105 Reciprocating Piston Pump with Air Valve, Detent and Poppets  
An air valving system for a reciprocating piston pump (5) which uses piston (10) actuated poppet assemblies (40) to control the main air valve (16) shift. The valve exhaust is vented (50) directly...
US20090184273 Self Adjusting Valve Catch With Valve Seating Control  
A variable valve actuation system to actuate and control the seating velocity of an internal combustion engine valve is disclosed. The system comprises: a housing having a bore formed therein; an...
US20070209715 FAILURE PROTECTION APPARATUS FOR A PRESSURE CONTROL ASSEMBLY  
The present invention provides a failure protection apparatus including an air source providing air having an air pressure, a first valve in fluid communication with the air source permitting...
US20100038567 SUCK-BACK VALVE  
A suck-back valve having an open/close valve with a suck-back function is provided. The suck-back valve includes a suck-back chamber formed in a valve internal channel of the open/close valve, a...
US20060243936 MECHANICAL OVERRIDE  
A valve system comprising a closure member that is linearly translatable within a valve body. A fail safe assembly is connected to the valve body and a first rod member that is connected to the...
US20080230729 Valve With Cushioned Opening System  
A valve including a valve body having an inlet port and an outlet port, a valve stem, a valve seat, an opening control chamber for the valve stem, which chamber, by being fed with fluid, urges the...
US20090101854 HYDRAULIC CONTROL VALVE FOR HEAVY EQUIPMENT  
A hydraulic control valve for heavy equipment is provided, which includes a valve body having a supply passage supplied with a hydraulic fluid from a hydraulic pump, ports for supplying the...
US20150144817 SHUTOFF VALVE  
A shutoff valve, in particular for shutting off a paint conducting channel in a painting plant, includes a shutoff body, a pressure-operated stroke piston movable in an opening direction, thereby...
US20090211814 DRILL STRING FLOW CONTROL VALVES AND METHODS  
Drill string flow control valves and more particularly, drill string flow control valves for prevention of u-tubing of fluid flow in drill strings are provided. Drill string flow control valves...
US20130327551 DEVICE AND METHOD FOR ROCK AND - CONCRETE MACHINING  
The invention concerns a hydraulic, valveless impact mechanism for use in equipment for the machining of at least one of rock and concrete comprising a machine housing (105; 205) with a cylinder...
US20130181148 AIR-OPERATED VALVE  
The present invention is directed to provide an air-operated valve suitable for use in a form using a one-touch joint. A casing 4 is made by an upper casing 22 and a lower casing 21 which are...
US20120168653 SLOW-ACTING ON/OFF VALVE  
Disclosed is a slow-acting ON/OFF valve which includes a valve-opening pressure chamber that makes an actuating member (which actuates a valve body that comes into contact with and moves away from...
US20150233489 ACTUATOR APPARATUS HAVING INTEGRAL YOKE TUBING  
An actuator apparatus includes and actuator and a yoke. The actuator includes an upper casing and a lower casing defining a cavity and an actuating device disposed at least partially within the...
US20150152970 REPAIRABLE CARTRIDGE VALVE  
A cartridge valve comprises an operator section for operating a valve, and a cartridge section with the valve. The operator section includes a first body and two pistons on a common shaft. The...
US20120280153 VALVE WITH AT LEAST ONE CLOSING BODY  
A valve, particularly a vacuum valve, with at least one closing body to close at least one penetrating opening of the valve and a drive to adjust the closing body between a closed position, in...
US20060065868 DIAPHRAGM VALVE  
A valve is provided for use in a fluid dispensing system. The valve includes a valve body having an interior cavity and a valve stem mounted for axial movement between open and closed positions...
US20080265189 PNEUMATIC POWERED COAXIAL VALVE WITH MAGNETIC ENTRAINMENT  
The invention concerns a coaxial valve, particularly for the delivery of chemically aggressive fluids in the pharmaceutical and medical sectors and also for use in the food industry. The opening...
US20140284507 AUXILIARY VALVE CONTROLLED SELF-CLEANING MAIN VALVE  
Auxiliary valve controlled self-cleaning main valve with mechanical operating means. The valve body (1) of the main valve has an inlet (2) and an outlet (3) interconnected through a flow-through...
US20120126155 Portable remote controlled valve  
A portable remote controlled fire-fighting valve has a central chamber in a main valve body, an inlet that connects to a hydrant, an outlet that connects to a fire hose, a valve mechanism that has...
US20100099945 ELECTRICALLY ACTIVATED VALVE FOR IMPLANTABLE FLUID HANDLING SYSTEM  
A system for facilitating obesity control includes an inflatable gastric banding device, a fluid reservoir couplable to the inflatable portion, and an implantable fluid handling device including...
US20150204456 Combination Diaphragm Piston Actuator  
An apparatus for actuating a valve includes an actuator with a cap. A plate that engages the inner diameter of the actuator housing is positioned within the actuator housing. A pressure chamber is...
US20070057214 Valve for essentially gastight closing a flow path  
Maintenance-friendly, compact valve having a simple design for essentially gastight closing of a flow path (F) between two ports (3, 5) arranged at an angle. A valve part which is arranged in a...
US20150260306 DIAPHRAGM ACTUATORS HAVING ADJUSTABLE ACTUATION FORCE  
Diaphragm actuators having adjustable actuation force are disclosed herein. An example apparatus includes a spring seat coupled to a diaphragm of an actuator. The spring seat is to contact a...
US20140183383 VALVE  
A valve for use in conjunction with an application device having a valve housing and a valve spindle which bears a sealing element at a first free end outside the valve housing and, within the...
US20110220819 ACTUATOR  
An actuator for a rotary function element, having a housing with at least one pressure means supply and being closed at both sides by a cover, in which housing a piston is guided to reciprocate in...
US20080054204 PRESSURE RELIEF VALVE  
An oil pressure relief valve for use in the lubrication system of an internal combustion engine is controlled by both pump outlet pressure 3 and pilot pressure 2. The action of the valve reduces...
US20140361204 Hydraulically Controlled Storage Chamber Valve  
A hydraulically controlled storage chamber valve includes a closing element that is biased via a first compression spring. The closing element seals a valve seat in a valve body. A tappet...
US20090260698 PRESSURE CONTROL SYSTEM  
A fluid control system, including: a housing having an inlet, an outlet, and a pressure chamber; a shuttle assembly adapted to reciprocate in the pressure chamber to regulate the flow of an...
US20090032748 Overfill protection device (OPD)  
An overfill protection device includes a piston (5) comprising a main seal or semi-sphere packing (3) on its tip and a V-shaped packing (4) on its side, a retracting spring (2) for pushing the...
US20100148099 SHIFT ACTUATOR VALVE HAVING A PRESSURE DEAD BAND  
A valve assembly having a pressure dead band includes a first valve or sleeve slidably disposed within a valve body. A second valve is partially slidably disposed within the first valve and...
US20080210895 Pressure Relieved Thermal Regulator for Air Conditioning Application  
According to one embodiment of the invention, a control valve for regulating temperature comprises a conduit, a fluid limiter, a restoring actuator, an opening actuator, and a restoring actuator...
US20100224804 FAIL SAFE PNEUMATICALLY ACTUATED VALVE WITH FAST TIME RESPONSE AND ADJUSTABLE CONDUCTANCE  
Apparatus and method for fail-safe high-speed-pneumatic valve is disclosed. Fail-safe dependability is provided by a spring-loaded normally-closed pneumatic actuator. When the spring-loaded...
US20090212243 PNEUMATICALLY-OPERATED VALVE FOR NITROUS OXIDE INJECTION SYSTEM  
A nitrous oxide or fuel control valve (26) having flow control of nitrous oxide, fuel or other media from a fluid-delivery aperture (7) into a injection nozzle (22) of an intake manifold of an...
US20140097365 ROTATABLE ACTUATOR SHAFT  
Disclosed herein are apparatuses and methods of preventing rotational stress on the top shaft of valve actuators. Certain methods and apparatuses include a bifurcated top shaft. Other apparatuses...
US20150083946 ACTUATOR FOR A VALVE AND A VALVE COMPRISING SUCH ACTUATOR  
Actuator for a valve, comprising a first piston, a first piston rod and a first fluid chamber for enabling movement of the first piston and the first piston rod. The actuator has a second piston,...
US20080054205 Variable valve actuator with latches at both ends  
Actuators and corresponding methods and systems for controlling such actuators offer efficient, fast, flexible control with large forces. In an exemplary embodiment, an fluid actuator includes a...
US20070007475 Vacuum valve  
A vacuum valve comprises a valve body (1) with an inner cavity (4) through which a main passageway leads between an inlet (2) and an outlet (3) of the vacuum valve and with a main valve seat (6)...
US20110241238 VALVE GATE SYSTEM  
A valve gate assembly comprises a piston that is actuable between a forward position and a rear position and has a piston stop surface and a forward pressure surface. A cylinder has a cylinder...
US20120298892 MULTI-STAGE SWITCHABLE PILOT-CONTROLLED VALVE ARRANGEMENT  
A pilot-controlled valve arrangement having at least one valve mechanism mounted in a valve housing for multi-stage switching of a compressed air flow between a feed pressure connection and a...
US20120152571 A HIGH PRESSURE GAS DISCHARGE VALVE FOR A FIRE-EXTINGUISHING OR EXPLOSION-PREVENTING SYSTEM  
A high pressure gas discharge valve for a fire-extinguishing or explosion-preventing system including: a valve body with a gas inlet channel and a gas outlet channel; a valve seat arranged between...
US20080083891 Gate Valve Actuator  
A gate valve actuator including an housing, a piston, a lower end closure, and a piston cylinder end cap. The piston is situated within the housing, and the lower end closure connects the housing...
US20130020513 VEHICLE COOLANT CONTROL VALVE  
An object is to provide a vehicle coolant control valve having excellent response, small size and weight, and low power consumption. A coolant stop valve (vehicle coolant control valve) valve...

Matches 1 - 50 out of 78 1 2 >