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WO/1999/015823A1 |
A diagnostic device and method for an intelligent pressure regulator which maintains a fluid in a process at a predetermined pressure. The regulator includes an electronic controller which enhances regulator performance and provides self...
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WO/1999/010673A1 |
A method for facilitating the servicing of a valve (10) in which an electronic tag (12) capable of providing a unique indicia for that particular valve is physically affixed to the valve, information peculiar to that indicia is entered i...
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WO/1999/008773A1 |
A filter arrangement (20) for filtering fluid comprises a housing (22) and a valve arrangement (80). The housing includes an inlet (28), an outlet (20), and a draining aperture (31). The valve arrangement is constructed and arranged to m...
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WO/1999/006808A1 |
A thrust sensor assembly suitable for use with an actuator of the type wherein motive power is applied to an actuator shaft and wherein the thrust sensor assembly comprises a first compression plate means and a second compression plate m...
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WO/1999/000619A1 |
A method and apparatus for on-line detection of leaky emergency shut down or other valves (10) in a fluid transport system having an upstream pipe, a downstream pipe and the valve (10) connected between the upstream pipe and the downstre...
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WO/1998/058676A1 |
The invention refers to pharmaceutical compositions which have an enhanced antitumor activity or reduced side effect(s) comprising a known active substance having antitumor effect or a pharmaceutically acceptable salt thereof and a hydro...
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WO/1998/044284A1 |
A manually actuated valve comprising a valve casing (11) having an inlet (12) and an outlet (14), and an actuator (22) having an open position wherein the inlet and outlet are connected and a closed position wherein the inlet and the out...
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WO/1998/040652A1 |
The invention relates to a directional-control valve with an axially displaceable control piston (5) inside a valve housing (23) and a travel sensor (17) which is arranged on the valve housing (3) in order to detect the position of the c...
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WO/1998/036245A1 |
An apparatus (10) for indicating the flow rate of a fluid (F) through a conduit (12). The apparatus comprises a flap (14) mounted in the conduit (12), the flap being off-centre pivotally mounted to pivot in response to the flow of the fl...
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WO/1998/036165A1 |
A vapor collection canister vent valve (32A) contains both an electric pressure sensor (86) for measuring evaporative emission space pressure during a diagnostic test and an electric actuator (58) for operating the vent valve closed duri...
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WO/1998/021632A1 |
An improved pressure-compensated hydraulic system for feeding hydraulic fluid to one or more hydraulic actuators (20). A remotely located, variable displacement pump (16) provides an output pressure equal to input pressure plus a constan...
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WO/1998/008012A1 |
A main water supply safety valve to provide a maximum pressure to a water conditioning apparatus while preventing any shock load of water hammer from passing into the apparatus while still providing a single or dual check valve. When pre...
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WO/1998/002685A1 |
In the disclosed device, the reaction time (ta) of a drive element (2) to a valve actuation is measured and compared to a stored reference value. A test result is derived from the deviation between the two values and conclusions may be d...
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WO/1997/048026A2 |
A method and a valve apparatus for surveying the condition of a control valve. The position of the valve (101) is adjusted by means of an actuator (103) controlled by an electropneumatic positioner (104) and operated by means of pressure...
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WO/1997/045599A1 |
A modular valve position indicator (10) which interfaces with a valve (24), actuator (28) and other auxiliary equipment meeting NAMUR standards is described. The position of the valve within the flow circuit (60) is indicated by at least...
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WO/1997/044645A2 |
This invention relates to device for testing and depicting characteristics of the safety valves during or out of the working of pressure system or pressure device. Device for testing safety valves according to invention comprises driving...
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WO/1997/042481A1 |
This apparatus (10) is for testing valves (46), particularly those adapted for controlling incontinence. The tests are either directly computer (12) controlled or computer directed. A manual mode permits the user to enter a specific valv...
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WO/1997/039267A1 |
A valve apparatus (20) includes a relatively simple yet effective way to monitor leakage in the valve apparatus (20) in accordance with one embodiment of the invention. The valve apparatus (20) comprises a housing (25) defining a product...
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WO/1997/035133A1 |
A calibration apparatus and method (10) for calibrating a hydraulic control valve (40) connected to an electronic controller (20). The electronic controller (20) selects control signals and reads corresponding hydraulic pressure outputs ...
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WO/1997/034309A1 |
A device for monitoring a mechanism (10) provided with a sucking coil, comprising means (118, 120) for measuring the power supply magnitude and voltage of the coil, a unit (124, 132) for digitising and recording the power supply magnitud...
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WO/1997/025560A1 |
A valve unit (10) to control the flow of high-pressure fluid comprising a housing (10) having an inlet (21) and an outlet (23); a port (27) communicating between the inlet (21) and the outlet (23), and a seat (29) about the flow port (27...
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WO/1997/023739A1 |
A control system (10) is provided for monitoring and regulating fluid pressure at a remote and/or potentially hazardous location (12) along the length of a fluid flow conduit (14), without requiring a pressure sensor device at the remote...
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WO/1997/021984A2 |
A system for improving fluid pressure measurement in a control valve (100) includes placing a flow conditioner (12, 52) adajcent to and upstream from averaging channels (42, 82) located at the inlet (106) and outlet (116) of the control ...
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WO/1997/018452A2 |
A process is disclosed for testing if fittings are ready to operate. At least one measurement value for a fittings-specific variable is determined and compared with a previously established value. The measurement value is determined at t...
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WO/1997/016776A1 |
Data samples (A-L) are obtained from a control device (10, 11, 12, 16, 17) while in use to control a material process (13). Selected ones of these samples are stored which represent results of operating the device over portions of its ch...
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WO/1997/013972A1 |
A fuel system including a fuel pump (15) for supplying fuel from a source through a variable orifice flow metering valve (17) and then through a variable orifice pressurizing valve (19) to an engine utilizes a determination of the pressu...
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WO/1997/013087A1 |
The invention concerns a valve (1) comprising a valve seat element (10), a closure part (15) and a spindle (17) which can bring the closure part into abutment with the valve seat element (10). The spindle is connected in a force-locking ...
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WO/1997/005002A1 |
A check valve, for use in a vacuum accumulator. The check valve includes a movable gate (G), which blocks fluid flow. The gate carries a first electrical contact (C1), which mates with a second electrical contact (C2), when the gate clos...
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WO/1997/005417A1 |
A portable diagnostic system for testing gas pressure reduction equipment includes a computer arrangement (16) interface to an electro-pneumatic test unit (12) which provides test pressures for and receives information on displacement fr...
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WO/1997/003312A1 |
Non-return valve (fig. 2) with controller screw (fig. 7) for checking the operation of the valve once the gate (fig. 4) has been drawn. It is provided with a bolt (fig. 8) which secures the system and provides the system with a motion fr...
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WO/1996/038687A1 |
An actuator for actuating a valve (16) from a first position to a second position includes a housing (14) and a rotatable stem (70) mounted within the housing and restricted from moving axially. The actuator also includes a non-rotatable...
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WO/1996/035066A1 |
A valve, preferably a vacuum valve, has a closure member (5), a valve plunger (6) and an electromagnetic drive (7, 9) with a coil (9) and an armature (7) secured to the valve plunger (6). In order to influence the displacement of the val...
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WO/1996/030684A1 |
The invention relates to a process for monitoring motor-driven valve units. The motor-driven valve units once fitted and functionally integrated are monitored by the following process: a) in a calibration measurement process, the analyti...
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WO/1996/028677A1 |
The invention relates to an overpressure protector comprising a body portion (1) of single crystal silicon, a burst flow conduit (2) extending through the body portion (1), and a membrane (3) covering the burst flow conduit (2) and respo...
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WO/1996/027781A1 |
An optical system for determining the axial load, the torsional load or both on a generally cylindrical member, such as a valve stem in a motor operated valve, includes a first system for producing a test light that is modified by a phys...
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WO/1996/015401A2 |
A system for measuring spring pack displacement of a motor-operated valve (MOV) includes at least one power line having a current. The system includes a current sensor for sensing the current and providing a plurality of digital current ...
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WO/1996/013639A1 |
This application discloses apparatus for logging the operation of a valve (10) of the type having a spindle (16) rotatable by a key (20) to effect opening and closing thereof, the apparatus including operative means (36) which are in use...
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WO/1996/012133A1 |
There is described a valve/actuator interface for attaching an actuator having a driveshaft to a valve having a valve stem, the interface comprising a body (1) provided with fixing means (14) to enable the body to be secured to the valve...
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WO/1996/011351A1 |
An adjustable magnet carrier (100) for a rotary valve indicator apparatus (10) is disclosed. The adjustable magnet carrier (100) includes an extension member (117) having extension member body (118), an extension member body top (119), a...
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WO/1996/010707A1 |
An apparatus for controlling leakage of a barrier fluid from a dual seal assembly of equipment, such as a pump or a valve, includes a barrier fluid supply arrangement (58) connected to a barrier fluid chamber (32) of the dual seal assemb...
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WO/1996/010145A1 |
A piston-type dosing valve (20) is set forth that provides a hermetically sealed chamber (76) behind the diaphragm (66) which separates the aseptic portion (74) of the valve (20) from the mechanical portion of the valve (20). An external...
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WO/1996/002780A1 |
The proposed slide shutoff valve comprises a housing (1) with cap (2) which accomodates the slide (9) and non-extensible valve stem (15); a hand wheel is attached at the first end (16) of the valve stem protruding from the cap. The propo...
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WO/1996/001384A1 |
An improved rotary valve indicator apparatus (10) and method is disclosed that includes an electronics switch housing (15), filled with epoxy or other generally elastomeric material (29) to hermetically seal, thus environmentally seal, t...
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WO/1995/030128A1 |
A magnet (16) mounted on a moving stem (12) or rotary member of a valve generates magnetic flux over part of a stationary member (14) of the valve which has a uniquely patterned set of magnetoresistive sense resistors (RSIG0-RSIG4) and t...
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WO/1995/029433A1 |
A valve positioner (26) controls operation of a valve (32) in a process control system. The valve positioner (26) is coupled to a process control loop (24a, 24b) over which it receives a signal representative of a desired valve position ...
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WO/1995/023308A1 |
A pilot pressure operated type directional control valve operating device comprises in combination a plurality of pilot pressure operated type directional control valves each of which comprises a spool fitted in a spool bore provided in ...
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WO/1995/017624A1 |
Known position indicators for magnetic valves are switches which may be activated by cams on the moving parts. Following installation an individual adjustment has to be performed in order to obtain a precise acknowledgment. This disadvan...
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WO/1995/014911A1 |
The proposed device is intended for use in motor vehicles and permits a high level of accuracy in measurement and simple and cost-effective manufacture. It comprises a shaft component (12) arranged adjustably in a housing element (13) of...
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WO/1995/012778A1 |
A warning whistle that is activated by over-inflation of an inflatable duct seal. The warning whistle is preferably used in conjunction with an inflation tool (20) with an outlet tube (9) which may be connected to an inflatable duct seal...
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WO/1995/010427A1 |
The control consists of an engine control (2) and a gearbox control (4a) interconnected by a communication channel (6). The gears are changed with the aid of electro-hydraulic pressure control valves (48-50) by means of which friction co...
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