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7624755 |
Gas valve with overtravel
A gas valve may include a valve body and a valve member disposed within the valve body. A resilient sealing ring may be disposed within the valve body such that the valve member achieves a closed...
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7604017 |
Water ingress detection system
The present invention provides a water ingress detection system ( 1 ) suitable for use in indicating the ingress of water ( 12 ) onto a pipe ( 2 ) or vessel inside a casing ( 3 ), from outside. The...
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7552744 |
Decompression valve
A pressure-relief valve has a flange formed with a throughgoing port. A spring plate spaced outward from the port is mounted on a rigid post fixing the spring plate relative to the flange. A valve...
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7540302 |
Field unit for mounting on an actuator
The invention pertains to a field unit ( 10 ) for mounting on an actuator ( 12 ) with a pickup device ( 14 ) in the field unit ( 10 ) to register the position of the actuator ( 12 ) and with an...
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7537023 |
Valve body assembly with electronic switching
A valve body assembly including a valve member coupled to a handle for adjusting the position of the valve member. The valve assembly includes a sensor for detecting the position of the valve...
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7537022 |
Valve actuator assembly
A valve actuator is provided that comprises a unitary housing and a piston translatably mounted within the housing. The piston comprises a first portion having a first diameter and a second portion...
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7503342 |
Proportional directional control valve with a magnetic positioning sensor
A proportional directional control valve having a linearly movable valve element, a magnetic assembly operatively connected to the valve element where the magnetic assembly provides a magnetic...
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7493895 |
System for the metered feeding of volatile fuel components
A system for the metered feeding of volatile fuel components, in particular into the intake manifold of an internal combustion engine of a motor vehicle, includes an electromagnetic canister-purge...
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7481237 |
System and method for monitoring the performance of an inert gas distribution system
The gas monitoring system may include a gas line, an oxygen sensor, a filter, a pump, a indicator, and a controller. The gas line is configured to convey gas from a space configured to receive...
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7469715 |
Chamber isolation valve RF grounding
A method and apparatus for grounding a chamber isolation valve are provided. Generally, the method makes use of an electrically conductive elastomeric member or members to effectively ground a...
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7467644 |
Remote controller for heavy construction machines with follower pushrod
The invention relates to a remote controller for heavy construction machines with a body, comprising a cavity, running between a first outlet end and a base, a first pushrod, running between a head...
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7461670 |
Cycle indicator for fluid distribution systems
A cycle indicator is provided for monitoring movement of a fluid control piston of a divider block for a fluid distribution system. The cycle indicator connects to the divider block in a manner...
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7438800 |
Arrangement for filtering hydraulic fluid
An arrangement for filtering a hydraulic fluid having a bypass line connecting the feed channel to the discharge channel where the bypass line is opened by a pressure switching valve when a...
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7437778 |
Automatic bathroom flushers
An automatic bathroom flusher includes a body having an inlet in communication with a supply line and an outlet in communication with a flush conduit, a valve assembly in the body positioned to...
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7411184 |
Microfluidic device comprising an electrospray nose
A microfluidic device including a microfluidic chip assembled to an electrospray structure. The microfluidic chip includes at least one microfluidic channel leading through an outlet aperture to a...
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7401624 |
Method for monitoring a pipeline and position regulator for a control valve
The invention relates to a method for monitoring a pipeline in order to detect the slow reduction of the free inner cross-section by means of the position of a control valve in the pipeline. When...
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7398796 |
Valve arrangement
The invention concerns a valve arrangement ( 1 ) with a high-pressure connection (P), a low-pressure connection (T), at least one control valve ( 2 to 5 ), which is accommodated in a control...
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7380565 |
Spill prevention system with safety valves
The present invention is for a spill prevention system to prevent fuel spills from a connecting line connecting duel fuel tanks on a truck when the connecting line is severed or detached from one...
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7367359 |
Proportional micromechanical valve
The present invention provides a proportional microvalve having a first, second and third layer, and having high aspect ratio geometries. The first layer defines a cavity with inlet and outlet...
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7347050 |
Fuel metering unit
A fuel metering unit 10 for an aircraft. The unit 10 having an inlet leg 12 within which fuel flows, which leg 12 splits into controlling legs 18, 20 which rejoin downstream to form an...
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7328719 |
Valve state sensing module
A sensing module for a fluid valve utilizes a sensor body having a sensing chamber. An extension member is fixedly coupled to a main valve element, is slidable within the sensing chamber along a...
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7322374 |
Actuator for actuating a lift valve
An actuator for actuating a non-camshaft driven lift valve ( 12 ) of an internal combustion engine ( 10 ) includes a reciprocating tappet ( 20 ) that is coupled to the lift valve ( 12 ), a target...
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7308908 |
Device and method for controlling the flow of fluid in a conduit
The present invention provides devices and methods for controlling the flow of fluids in very high pressure situations. The devices feature valve shafts having bearings and pins to hold stator...
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7308904 |
Electric gear motor drive for switching valve
Electric drive for a switching valve, the switching valve having such a drive, and a regenerative thermal oxidizer including the switching valve and drive system. The electric drive system allows...
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7284570 |
Electrically powered valve for controlling, monitoring and evaluating fluid flow
Controlled flow of liquid is conducted between aligned inlet and outlet pipe sections through a valve housing within which a solid valve element is sealed and supported for electrically powered...
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7275702 |
Valve unit for an electrostatic coating installation
The main needle valve of an electrostatic atomizer has an opto-electronic sensor device with optical waveguides whose faces are opposite a reflecting element of a component moveable with the valve...
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7273068 |
Electric driven, integrated metering and shutoff valve for fluid flow control
A fuel control valve ( 100 ) includes a rotary throttling valve assembly ( 4,7 ) providing one or more of the benefits of being lightweight, having a relatively low power consumption, having a...
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7260496 |
Pressure detector and method of diagnosing blockage of impulse lines
A pressure detector for detecting a high side pressure from a high pressure side impulse line and a low side pressure from a low pressure side impulse line includes a high side pressure variance...
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7255128 |
System and method for detecting flow in a mass flow controller
Systems and methods are provided for detecting flow in a mass flow controller (MFC). The position of a gate in the MFC is sensed or otherwise determined to monitor flow through the MFC and to...
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7255125 |
Housing for gas regulator and gauges
A housing ( 10 ) for mounting on a mounting surface and for supporting and protectively enclosing a regulator ( 12 ) and one or more gauges ( 14,16 ) associated with providing, controlling, and...
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7240691 |
Rotary bleed valve assembly
A rotary bleed valve ( 10 ) for a gas turbine engine comprises a passage ( 11 ) connecting high pressure gases from a compressor to an exhaust and a valve member ( 12 ), the valve member ( 12 ) may...
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7219691 |
Control valve positioner mounting system
A positioner for a control valve assembly is disclosed wherein the positioner is mounted internally to thus protect the positioner from damage stemming from environmental, impact, or other outside...
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7210497 |
Pressure relief device with increased flow rate
A pressure relief device for electrical equipment housing, includes a valve body having a pedestal that projects above a mounting flange and a table on the pedestal that supports a two-stage valve...
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7207351 |
Switching valve with position detecting mechanism
In a switching valve containing a valve member for opening and closing a valve seat and a piston for driving the valve member by the action of a pilot fluid pressure inside a valve housing, a...
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7201185 |
Coupled drive multi-position fluid valve apparatus and method
A multi-position micro-fluidic valve system that includes an actuator assembly with a housing and a drive shaft rotatably disposed in the housing for rotational displacement about a drive axis...
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7198065 |
Valve arrangement
The invention concerns a valve arrangement ( 1 ) with at least two valve modules ( 2, 4, 5 ), each having a valve element, whose position can be changed by means of an actuator ( 13, 13 a , 13 b ),...
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7195033 |
Method and system for determining and controlling position of valve
Apparatuses and methods for accurately determining the position of a sliding or rotational sleeve valve in real time are disclosed. The apparatus comprises fiber optic cable based sensors which are...
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7156121 |
Valve position monitor and method of use
A valve system includes a valve assembly, and an actuator for operating the valve assembly. The actuator includes a housing and a shaft extending through the housing. The shaft is moveable within a...
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7152624 |
Flow control valve for cylinders of liquefied gases, having a means for indicating the status of the fluid
A flow control valve for cylinders of liquefied gases having a gauge for indicating the status of the fluid, comprises a body in which there is a region provided with a shank that is adapted to be...
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7152615 |
Earthquake actuated horizontal valve with micro switch
An earthquake actuated device includes a flapper-valve adapted to block a gas flow and a micro switch for closing or opening a circuit. A seismic sensor responds to accelerations characteristic of...
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7134448 |
Transducer for monitoring the position of a movable body
A transducer for monitoring the position of movable bodies and in particular for monitoring the position of valve flaps and other elements in connection with systems for fire extinction, is...
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7128093 |
MEMS fluid ejection device configured for detecting a fault condition
A microelectromechanical fluid ejection device configured for detecting a fault condition is provided. The device comprises a mechanical actuator, drive circuitry and a switch device. The actuator...
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7121300 |
Device for measuring the lift of poppet valves
A device for measuring the height of lift of poppet valves, in particular for poppet valves installed in internal combustion engines, with the help of inductive pickups, including a coil in a...
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7117886 |
Vacuum regulating valve
A vacuum regulating valve has high controllability, wherein the opening of a valving member can be quickly and accurately controlled by using a small and inexpensive electric motor. In accordance...
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7117880 |
Apparatus and method of changing printed circuit boards in a fuel vapor pressure management apparatus
An apparatus and a method for managing fuel vapor pressure in a fuel system that supplies fuel to an internal combustion engine. The fuel vapor pressure management apparatus performs leak detection...
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7114516 |
Leak-detecting check valve, and leak-detection alarm system that uses said check valve
One object of the present invention is to monitor water pipes regularly and to detect water leaks by using basic equipment and to provide a device that generates an alarm when a leak occurs. The...
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7108010 |
Check valve position detector
A position detector for a check valve, including a bracket with a support arm, adjustable securing members adapted to rigidly secure the bracket to a check valve arm, a tilt switch, a connector, a...
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7097148 |
Scissor thrust valve actuator
Apparatus for actuating a valve includes a support frame and at least one valve driving linkage arm, one end of which is rotatably connected to a valve stem of the valve and the other end of which...
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7093613 |
Magnet arrangement
With a magnet arrangement for an electromechanical drive with a cylindrical armature guided in a pole tube, the position of the armature is transformed into an electrical signal. Provided for this...
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7081059 |
Piston rod position detector, autotensioner and belt tension adjuster
A piston rod position detecting mechanism is proposed which can detect continuously or in a multiple-point manner that the piston rod position has changed due to increase or decrease in the...
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