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7624749 |
Flow regulator for medical liquids and method for its fabrication
A flow regulator for medical liquids comprising a first body and a second body coupled to one another in a rotatable way and a gasket set between them and overmolded on the second body. Provided...
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7609056 |
Apparatus to determine the position of an actuator
Apparatus to determine the position of a movable member of an actuator operating a valve assembly are disclosed. The movable member of the actuator displaces an actuation arm of a position sensor...
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7549440 |
Valve position indicator for buried valves
A valve position indicator is directly coupled to a valve shaft. The indicator has a gauge that directly indicates rotation of a valve shaft in a subterranean valve.
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7533693 |
Side-mounted position indicator for flapper check valve
The present invention is a side-mounted position indicator for use with a flapper check valve. The indicator is located outside the valve body and attaches to an internal, cylindrically-shaped...
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7472884 |
Control unit for electromagnetically driven valve
When a request to start driving a drive valve has been made, the ECU performs a program including a step in which time-measurement using a timer is started; a step in which an electric current I...
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7409965 |
Direct acting hydraulic trip block
A direct acting hydraulic voting trip block defines three separate paths between an inlet and an outlet port. Each path is intersected by a valve cylinder. Valve pistons in each valve cylinder are...
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7377291 |
Multiport rotary valve
A multiport rotary valve has a stator with plural flow paths and a rotary valve plate having plural flow channels. The rotary valve plate defines a rotor that rotates relative to the stator to...
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7350535 |
Valve
A valve apparatus ( 100 ) for use in sterile fluid transfer or isolator systems has open entry ( 10 ) and exit ( 11 ) sides and a passageway ( 9 ) for fluid between the entry ( 10 ) and the exit (...
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7314021 |
Operation indicator
An operation indicator is provided to indicate the open/closed status of device, e.g. a circuit interrupter operable between open and closed operating positions. The operation indicator includes...
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7273067 |
Reduced profile electromechanical valve actuator
A relatively small, lightweight valve actuator assembly that can withstand relatively high levels of vibration and shock includes a motor, a position sensor, and a drive belt mounted on an actuator...
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7264018 |
Pressure regulator
A variable device for regulating the outlet pressure of a fluid from a valve body, includes a pressure-sensing chamber having a wall formed by a resilient self-restoring diaphragm which is...
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7213606 |
Valve device, a unit for unloading loose materials from a dispenser device to a user unit comprising the valve device and a method for unloading loose material from a dispenser device to a user unit
A valve device comprises a pipe, a first closing element, mobile between a first position in which it leaves the pipe open and a second position in which it seals the pipe closed, a second closing...
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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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7191800 |
Fluidic control system
A fluid power controller device comprises a plurality of valve modules arranged sequentially in a row direction and collected together as an array-like unit, such modules comprising respectively a...
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7191797 |
Rotary distribution apparatus
A rotary distribution apparatus includes a fixed inner distribution member ( 12 ) with inner conduit zone; a rotatable distribution member ( 16 ) rotatable about the fixed inner distribution...
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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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7121525 |
Method of determining a clearance
A method of determining timing clearance between a valve stem and a moving member using an electromagnetic actuator comprising electromagnets, an electromagnet for moving the moving member from a...
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7114511 |
System and method for a mass flow controller
A system and method for controlling a mass flow controller to have a constant control loop gain under a variety of different types of fluids and operating conditions, and for configuring the mass...
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7114520 |
Pressure regulator
A variable device for regulating the outlet pressure of a fluid from a valve body, includes a pressure-sensing chamber having a wall formed by a resilient self-restoring diaphragm which is...
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7066202 |
Indicator-equipped flow regulating valve
An indicator-equipped flow regulating valve includes a valve body through which a fluid flows, a connecting body connected to an upper portion of the valve body, a housing connected to an upper...
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7066441 |
Flow restrictor
A device for controllably restricting flow through a resilient tube including a block and a pair of generally J-shaped leg members pivotally mounted to the block. The leg members, when pivoted...
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7055539 |
Electromagnetic valve control device and method
A normally closed electromagnetic valve is closed again after temporarily being opened during an abnormality check of the valve. When the valve is opened, electricity is supplied so that a plunger...
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7036789 |
Distribution valve comprising a flowmeter for installing in an inlet
A distribution valve having a flowmeter for use in a flow pipe of a hot water heating circuit. The distribution valve has a branch line and an adjusting and measuring unit for adjusting and...
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7025088 |
Providing an indication of the position of a valve member
A method of providing an indication of the position of a valve member of a valve in a fluid path where the valve member is moveable between a fully open position in which a maximum flow of fluid...
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6981915 |
Airflow volume control system
A control system for controlling airflow through a vent. The system includes a vent assembly having a frame. The frame includes an opening to allow air to flow through the frame. The vent assembly...
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6959837 |
Dual piston/poppet flow switch
A dual piston/poppet valve in a fuel dispenser works with a two-stage valve to help eliminate errors from an inferential flow meter. When the two-stage valve opens partially, a secondary fuel path...
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6942785 |
System for automated treatment of fluids having successive and interchangeable process modules
A system for automated treatment of fluids having interchangeable process modules ( 39, 40, 41, 42, 43 ), which are arranged next to each other, and which are respectively provided with a control...
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6935365 |
Rotary slide
A rotary slide for medium-carrying pipelines is proposed, comprising a housing ( 1 ) capable of being installed between two pipeline ends and having a stop member ( 9 ) for shutting off the...
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6929236 |
Apparatus for flow rate control
The apparatus for flow rate control of a fluid provides a roller clamp having either a clamp body with a non-linear clamp body surface or a clamp body with a non-linear adjustment roller track,...
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6920896 |
Visual position indicator for valves with linear moving valve stem
The present invention relates to a visual valve indicator comprised of a handle assembly with peripheral sidewalls attached to a linear moving valve stem for opening and closing of the valve and a...
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6918407 |
Pneumatic reset relief valve
A safety device protects a mud pump from an over pressure condition, which can occur during normal operation. The mud pump discharge couples to a high pressure inlet at the bottom of a valve body...
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6899129 |
Shutoff valve and related methods
A shutoff valve includes a positive position indicator for indicating the position of a piston in the valve. The valve position indicator is operably connected to a piston within the valve so that...
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6892752 |
Pipeline isolating device
A pipeline isolating device for istallation into and occlusion of a pressurised liquid or fluid supply pipe comprising a substantially solid and deformable boot ( 1 ) wich is adapted to move...
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6874756 |
Snap assembly actuator housing and valve mounting bracket
A valve assembly including a valve, a mounting plate, a snap-together actuator, and a mounting bracket. The snap-together actuator is assembled by a set of snap wings that are attached to one piece...
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6871665 |
Aircraft oxygen valve having knob with distinctive position indicator
A valve assembly ( 20 ) including a valve body ( 24 ) and a position-indicating knob assembly ( 28 ) is provided wherein the assembly ( 28 ) indicates three different valve positions, namely valve...
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6837271 |
Liquid flow control valve
A liquid flow control valve has a valve body 10 in which is mounted a valve member 41 moveable between valve open and closed positions. A turbine 15 senses liquid flow through the valve body ...
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6830060 |
Air mass flow controller valve
An air mass flow controller valve containing at least two air channels that deliver desired air mass amount from a single inlet to fuel cell(s) through at least one channel of the at least two air...
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6814096 |
Pressure controller and method
A closed loop pressure controller system that sets, measures and controls the process pressure within a semiconductor process is shown. The system is commonly composed of a pressure sensor to...
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6811187 |
System, method and apparatus for deploying a data resource within a threaded pipe coupling
A data resource specific to a pipe coupling centrally positioned within the coupling, intermediate the coupling ends. Multiple couplings are employed to connect together a string of well pipe. The...
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6763850 |
Throttle control mechanism and sensor mounted on a throttle body
A throttle plate control system mounts a rotational position sensor directly to a throttle body structure to take advantage of vibration isolation provided for the throttle body structure. The...
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6725880 |
Constant flow control valve
The present invention relates to a regulating valve for regulating and automatically controlling a fluid for a constant flow, comprising a valve body, a valve stem in the body, a pressure...
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6718804 |
Valve lockout device
A lockout device ( 20, 120, 220 ) for locking a valve ( 22, 122, 222 ) into its closed position. In a first embodiment, a lockout device ( 20 ) is adapted for use with a valve ( 22 ) having a...
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6681791 |
Manifold valve position indicator and operator alerting system
Valve assembly comprising a valve base, a valve bonnet attached thereto, a rotatable valve stem extending coaxially through the valve bonnet, a rotatable valve handle attached to the valve stem and...
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6484746 |
Fuel valves
A manually operated fuel valve having OFF, ON and RESERVE positions which comprises a valve body with a standpipe extending therefrom for receiving fuel from a fuel tank and supplying fuel to an...
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6481459 |
Two-way valve with indicator section for indicating an on/off state of the valve
A two-way valve has a diaphragm for opening and closing a fluid passage under an action of a pilot pressure. Further, the two-way valve has an indicator section. Displacement of a first rod and a...
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6463955 |
Hand operated rotary handle with lockout
Rotary handle device includes a coupling mechanism between the handle and a driven member. The handle is rotated about an axis and can also be axially moved between first and second positions. When...
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6286542 |
Method and article of manufacture for inserting a locator wire into a subterranean, or otherwise concealed, pressurized plastic pipeline
An improved method and article of manufacture for introducing a locator wire into an interior portion of a pressurized, or non-pressurized, subterranean or otherwise concealed plastic pipeline. The...
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6152173 |
Position indicating check valve
A device for visually indicating a position of a check valve disc within the check valve is provided. The indicating device has an exposed element extending outside of the valve body to provide a...
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6145537 |
Valve position indicator
A valve position indicator for visually indicating the open or closed position of a valve from a distance and from various angles includes a support; a hollow, elongated member rotatably mounted on...
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6085772 |
Smart automatic safety valve having remote electromagnetic shut-off protection and reset control from seismic or other sensors
A seismic safety valve has a housing with a fluid inlet, a fluid outlet and a fluid passageway interconnecting the inlet and outlet. A recess is formed inside the housing along the fluid...
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