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7328817 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Device for dispensing a heated liquid
A device for dispensing a heated liquid, such as a hot melt adhesive, which includes a dispenser body adapted to dispense the heated liquid, a solenoid valve, and a pneumatic section including a...
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7303147 |
Sprinkler having valve module with reciprocating valve seat
A sprinkler includes an outer case and a riser mounted for reciprocation within the case. The riser supports a nozzle, an impeller, and a drive linkage connecting the nozzle and the impeller. A...
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7252116 |
Coupling solenoid valve
A coupling solenoid valve, of which both side faces in the valve-width direction are coupling faces for coupling another solenoid valve, including a main valve unit for switching a fluid channel...
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7118087 |
Coupling solenoid valve
A coupling solenoid valve having a main valve unit and a solenoid operating unit, of which both side faces in the valve-width direction correspond to a first coupling face and a second coupling...
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7100628 |
Electromechanically-assisted regulator control assembly
An electromechanically-assisted control system for use in a second-stage regulator. Regulator control assembly ( 20 ), also referred to as EMA assembly ( 20 ), includes a mechanical actuator...
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7028975 |
Flush valve structure
A flush valve structure to control flush water through a pressure difference mainly includes a case, a solenoid assembly, an upper intermediate board, a lower intermediate board and a main water...
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6974114 |
Double valve flusher
A double valve flusher includes a body, a separating plate, an upper and a lower valve base, a movable valve, a film valve, a fixing member, and an electromagnet. An upper leak room is formed...
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6910496 |
Gas conversion assembly
A gas conversion assembly generally has a gas inlet and a gas outlet. The assembly includes a control mechanism for regulating the flow of gas from the inlet to the outlet. The control mechanism is...
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6883541 |
Manual-automatic water faucet
A manual-automatic water faucet includes a shell installed inside with a water intake base, a water outlet valve, an electromagnetic valve, an induction device and a control device. The control...
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6871834 |
Circuit for operating a valve closure system
A circuit ( 10 ) for operating a bi-directional air motor ( 12 ) of a valve closure system for enabling a tank valve to be discretionally operated to either open or closed condition either at the...
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6802339 |
Assembly having a spring-loaded tandem control valve
The fitting, in particular a safety valve, operates according to the relief principle or according to the loading principle. The fitting is opened and closed by a plurality of control parts. The...
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6766828 |
Interlock valve
An interlock valve is formed by incorporating a main valve portion having a valve member into a first casing, incorporating a driving-side operating portion 2 having a driving piston for driving...
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6705342 |
Modulating gas valve with natural/LP gas conversion capability
An electronically modulating gas valve comprising a modulating solenoid for simultaneously displacing two servo regulator diaphragms, one for controlling LP Gas outlet pressure and another for...
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6659420 |
Manual and automatic flow control valve
A manual and automatic flow control valve includes a valve body, a manual control unit, a hollow pressure-releasing device, a middle plate, an upper casing, and an electric controlled magnetic...
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6644346 |
Spring-loaded tandem control valve
The fitting, in particular a safety valve, operates according to the relief principle or according to the loading principle. The fitting is opened and closed by a plurality of pilot parts. The...
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6637722 |
Pilot operated microvalve device
A microvalve device for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a cavity formed therein. A pilot valve supported by the body is movably disposed in...
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6584999 |
Fluid pressure controller
A fluid pressure controller has an air supply valve plug displaceable under an action of pilot pressure of a pilot chamber. When the air supply valve plug is seated on a seat section, fluid...
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6540203 |
Pilot operated microvalve device
A microvalve device for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a cavity formed therein. A pilot valve supported by the body is movably disposed in...
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6478048 |
Two out of three voting solenoid arrangement
A binary voting solenoid arrangement 10 is provided which operates in a “2 out of 3” manner to provide relatively high safety, low spurious tripping and a relatively low installation cost,...
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6443419 |
Fast working hydraulic valve
The invention relates to a quick switching hydraulic valve ( 7, 8 ) which opens or can be kept closed using an electric signal of low energy and which can switch very quickly with large passage....
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6443175 |
Vacuum pressure generator circuit with non-volitile memory function
The present invention is a pressure feedback circuit for use with a vacuum pressure control circuit. The pressure feedback circuit detects the occurrence of, and controls the generation of vacuum...
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6427967 |
Valve, unit, assembly and system
The invention relates to a valve incorporating a flexible diaphragm, and improves upon known diaphragm valves to permit the use of a diaphragm-controlled valve in systems for which such valves were...
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6398182 |
Pilot solenoid control valve with an emergency operator
A discharge valve is provided to open an electrically controlled pilot valve in emergency situations such as during an electrical or hydraulic failure. The discharge valve has a poppet that...
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6398181 |
Valve arrangement
A valve arrangement ( 10 ) for hydraulically actuated machinery installations, especially for powered support assemblies in underground mining, with hydraulically actuated working valves ( 12, 13,...
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6354327 |
Automatic position-control valve assembly
According to principles of this invention, an override controller is structured for being placed in pressurized fluid lines between a valve position transducer and a valve position actuator of an...
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6296226 |
Fluid metering system
A fluid metering apparatus includes a gas inlet, a first regulator in fluid communication with the gas inlet and configured to emit the gas at a first gas pressure, and a second regulator in fluid...
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6253784 |
Monostable valve
A monostable valve for controlling the sudden discharge of a gas contained in an enclosure. This valve comprises, in a control conduit (17), a second shutoff (18) between a closed position wherein...
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6167901 |
Pilot 3-port transfer valve
A transfer valve comprising three ports including a first, second, and third ports 17, 18, and 19 includes a pilot supply channel 22 for supplying a pilot fluid to a pilot valve 13, and the pilot...
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6155282 |
Two out of three voting solenoid arrangement
A binary voting solenoid arrangement 10 is provided which operates in a "2 out of 3" manner to provide relatively high safety, low spurious tripping and a relatively low installation cost, while...
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6109291 |
Pilot 5-port transfer valve
A transfer valve comprising a first port 17 for supplying and ejecting a pressurized fluid, a second and third ports 18 and 19 for output, and a fourth and fifth ports 20 and 21 for ejection and...
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6053202 |
Fail-safe closure system for remotely operable valve actuator
A fail-safe closure system for one or a plurality of springless process valve actuators is disclosed. An accumulator is provided with an urging means, such as a spring for pressurizing fluid stored...
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6010112 |
Driving device for a shut-off device in a pipe-line
A driving device for a shut-off device in a pipe-line includes a piston/cylinder unit able to be connected to a slide valve plate of the shut-off device. A working chamber of the unit is connected...
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6000674 |
Reliable flush valve
A flush valve includes: a valve body having a diaphragm valve flexibly formed in the valve body communicated with an inlet pipe for supplying inlet water and an outlet pipe connected to a toilet, a...
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5971356 |
Electromagnetically actuable valve
The valve according to the invention in intended, in particular, for high-pressure gas containers containing up to 300 bar. It comprises a shut-off element which is hold on its valve seat under the...
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5957148 |
Valve system having a deadman controlled actuating member in a vented chamber
A main valve receives fluid at an inlet and transmits the fluid to an outlet. The main valve has a rear face. A surge control servo valve responds to a load sense signal and moves between a closed...
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5868157 |
Pilot transfer valve
A transfer valve according to this invention has an internal pilot channel in communication with a supply port; an external pilot channel in communication with an external pilot port; a shuttle...
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5860445 |
Transfer valve manifold
A manifold 1A that simultaneously supplies a control and pilot fluids to a transfer valve 2 has an internal pilot channel 8 leading to a supply port 4; an external pilot channel 13 leading to an...
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5799561 |
Control device
A control device for controlling and monitoring two fluid valves, wherein each fluid valve comprises a drive means which is adapted for activation by an associated control signal, and a movable...
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5665898 |
Method and apparatus for testing solenoids in a safety system by bypassing the solenoid operated pilot valve
A method and apparatus are disclosed for testing the operation of solenoids in a safety system by bypassing the solenoid operated pilot valve and applying a pneumatic control source to the system...
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5520206 |
Exhaust reduction system for control valves
An exhaust reduction system for reducing gas emissions in pipeline controlling devices which operate control valves, which system adjusts and reduces the pressure of a control stream of gas from a...
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5413141 |
Two-stage gas valve with natural/LP gas conversion capability
A convertible two-stage pressure regulator in which a main valve regulates fluid flow between an inlet and an outlet in response to a control pressure produced by first and second regulator valves...
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5404902 |
Isolation automatic control valve
An isolation automatic control valve is formed by disposing an isolation valve of very simple structure in the inlet and outlet passages of a main valve or in the passage joining a main valve and...
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5363872 |
Low particulate slit valve system and method for controlling same
Low particulate slit valve system and method for controlling the closure pressure applied to a slit valve. An apparatus in accordance with the present invention includes a barrier having a slit...
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5335693 |
Valve
An automatic hydraulic valve which operates with pressurized fluid, particularly water. The valve closes when fluid pressure is applied and opens when the fluid pressure is withdrawn. It comprises...
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5335688 |
Variable pressure regulating valve system
A pressure-regulating valve system includes a valve body assembly having inlet, outlet and control chambers. A flow valve assembly includes a diaphragm gasket which movably mounts a valve member....
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5299774 |
Diaphragm controlled irrigation valve with captivated bleed screw
A diaphragm controlled irrigation valve (20) is disclosed which includes a captivated relief member (60). The captivation is achieved by a stop (100) which radially extends from the member to abut...
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5181538 |
Multiple stream fluid mixing and dispensing apparatus
An improved multiple stream, fluid mixing and dispensing apparatus for automatically regulating flow rate for one or more preset fluid flows including a plural station, fluid flow rate console...
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5114115 |
Dual independent input hydraulic shutoff
In a fuel management system, shutoff means in a fuel supply line (12) closes when the pressure at a port (28) on the shutoff means exceeds some predetermined level. A most selector valve (42)...
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4981280 |
Solenoid actuated fluid valve
An improved solenoid actuated, fluid control valve includes a diaphragm which is fluid actuated. Inlet pressure through a restricted orifice into a chamber on one side of the diaphragm acts against...
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4966196 |
Balanced servo-operated multiway valve
A servo-operated multiway valve is disclosed which can be optionally used as both a pressurization valve and a ventilation valve for use with a fluid consuming device. The valve utilizes a valve...
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