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Patent Searching and Data


Matches 1 - 50 out of 6,618

Document Document Title
WO/2018/129396A1
An electronic torque limit switch, limiting excess torque in a valve actuator, and/or optimizing the actuation of a valve having a motor configured for driving a valve between an open direction and a closed direction. A threshold current...  
WO/2018/129232A1
Embodiments of the present disclosure describe both mechanically-operated and electrically-operated, locally-actuated partial stroke testing devices and systems for testing operation of an emergency isolation valve.  
WO/2018/123852A1
[Solution] This piezoelectric-element-driven valve is provided with a valve seat provided on a flow channel, a valve body that separates from/sits on the valve seat, and a piezoelectric element, and is configured so that the valve body i...  
WO/2018/114543A1
The invention relates to a valve arrangement (100) for a motor vehicle, having a valve plunger (110) which is fixedly connected to a closure element (120), having a valve housing (130), having a valve seat (140) and having an electric mo...  
WO/2018/114572A1
The invention relates to a pneumatic valve, comprising an air chamber (100) with an air port (3) and comprising an actuator (1) with a movable shut-off element (5, 5') and with an SMA element (4) composed of a shape memory alloy, which S...  
WO/2018/114609A1
The invention relates to a valve (2), in particular a diaphragm valve, in which a transponder is arranged in a transponder frame. An outer opening of said transponder frame is sealed with a potting compound. The transponder frame is conn...  
WO/2018/112457A1
An electrically operated valve assembly having a manual override includes a valve body, an actuation cam, a shaft, a gear, and a biasing member. The shaft is connected to the actuation cam and includes a projection. The gear defines an o...  
WO/2018/103918A1
The invention relates to a method for checking a solenoid valve (6) for a malfunction, wherein the valve (6) has a displaceable valve element (8), which is urged into a first end position by a spring element (11), and an electromagnetic ...  
WO/2018/093307A1
The present invention relates to a method for diagnosing at least one pressure relief valve of a liquefied gas fuel system (A) for a vehicle. Said fuel system (A) has tank (10) for providing fuel to the engine of the vehicle, and at leas...  
WO/2018/086954A1
Valve assembly for controlling a flow of a fluid and method for controlling a flow of a fluid using such a valve assembly. The valve assembly comprises a valve housing defining a cavity for receiving and expelling the fluid, a spool disp...  
WO/2018/086824A1
A valve arrangement is proposed which has at least one valve unit (15), in which a valve slide (25) which can be switched over between a closed position and an open position is arranged, which valve slide (25) separates the two valve duc...  
WO/2018/081847A1
A low-flow alarm optionally having a variable pressure pre-set threshold, for use with protective suits and hoods is disclosed. In one embodiment, a low-flow valve alarm comprises an adjustable spindle handwheel having a hole, a valve bo...  
WO/2018/083176A1
The invention relates to a valve system consisting of a vacuum valve and a regulating unit. The vacuum valve has a valve seat which has a valve opening and a first seal surface which runs around the valve opening, and the vacuum valve ha...  
WO/2018/080856A1
An integrated diagnostics system utilizes online and offline diagnostics techniques to evaluate control valves found in process plant environments. The integrated diagnostics system improves on existing diagnostic systems, which typicall...  
WO/2018/079173A1
To facilitate obtaining information which relates to an operation of a fluid control valve in regular operation of a fluid control device, provided is a diagnostic device 40 for a fluid control valve 20 which causes a valve body 22 to be...  
WO/2018/080867A1
Securing communications from a process plant to a remote system includes a data diode disposed there between that allows data to egress from the plant but prevents ingress of data into the plant and its associated systems. Process plant ...  
WO/2018/079586A1
Provided is an electric-valve-type flow restrictor that solves the problems associated with manual-valve-type flow restrictors while making sufficient use of the small size thereof. This flow restrictor is provided with a rotation device...  
WO/2018/080865A1
Securing communications from a process plant to a remote system includes a data diode disposed there between that allows data to egress from the plant but prevents ingress of data into the plant and its associated systems. Process plant ...  
WO/2018/076203A1
A water detection and shut-off system is disclosed. The water detection and shut-off system may be battery powered and include a water detector (110), a satellite water detector (130), and a water shut-off mechanism (200). The detectors ...  
WO/2018/077945A1
The invention relates to an actuator valve (2) having a measuring device (40, 52, 70) for measuring the lift of a movable valve member with respect to a stationary part of the actuator valve (2). The measuring device (40, 52, 70) compris...  
WO/2018/074208A1
In order to configure a fluid control valve that has a simple and compact configuration while allowing for the detection of valve body displacement using a displacement sensor, the present invention provides a fluid control valve 3 for c...  
WO/2018/075280A1
This disclosure relates generally to valves, and more particularly, to gas valve assemblies. In one example, a valve leakage test and/or other tests may be performed on a valve assembly including a valve body with a first valve and a sec...  
WO/2018/074321A1
The present invention comprises: a flow detector (30) that detects the flow of a fluid by opening/closing a valve body; a management unit (60) that detects the opening/closing of the valve body of the flow detector (30) and that manages ...  
WO/2018/075240A1
Methods and apparatus of testing a solenoid valve of an emergency valve via a positioner are disclosed. An example method includes conducting a solenoid valve test by initiating a pulse duration and a monitoring duration for the solenoid...  
WO/2018/075321A1
Methods and apparatus of assessing a test of a solenoid valve via a positioner are disclosed. An example apparatus includes a solenoid valve to enable an actuator to close an emergency valve and a valve positioner fluidly and communicati...  
WO/2018/074753A1
An electro-hydraulic valve actuator of the present invention comprises: a network control unit for remote transmission and reception of an operation condition and an operation signal of the actuator; a failure diagnosis unit for determin...  
WO/2018/075241A1
Methods and apparatus of stabilizing a valve positioner when testing a solenoid valve are disclosed. An example apparatus includes a solenoid valve (202) and a valve positioner (106) fluidly and communicatively coupled to the solenoid va...  
WO/2018/070761A1
The present invention relates to a four-way valve for switching a refrigerant channel, the valve comprising: a housing part including a refrigerant filling chamber which is filled with a refrigerant; a valve plate disposed at one side of...  
WO/2018/065263A1
The invention relates to a pneumatic valve comprising an air chamber (100) having an air connection (3) and an actuator (1) having a movable shut-off element (5, 5') and having an SMA element (4) made of a shape memory alloy, which is me...  
WO/2018/054415A1
The invention relates to a hydraulic switching element (1) comprising a housing (9), a functional chamber (8), a connection opening (12) for connecting a pressure source (11) to the hydraulic switching element (1), and a control element ...  
WO/2018/044061A2
Provided is a system for diagnosing a pneumatic control valve online. The system may comprise: a sensor set comprising multiple sensors, attached to a pneumatic control valve, for measuring the state of the pneumatic control valve; a sma...  
WO/2018/044062A3
Provided is a method for diagnosing a pneumatic control valve by using a positioner model. The method may comprise the steps of: establishing a relational expression for outputting a valve stem displacement according to control pressure,...  
WO/2018/041849A1
The present application provides a method of evaluating spindle component wear in a turbine (100) by a data acquisition system. The method may include the steps of receiving a number of operating parameters from a number of sensors (380)...  
WO/2018/044344A1
A heating system includes a single thermostat that controls multiple thermostatic radiator valve (TRV) controllers that control heat transfer to radiators in a room. Each TRV controller has the capability to automatically detect the open...  
WO/2018/044061A3
Provided is a system for diagnosing a pneumatic control valve online. The system may comprise: a sensor set comprising multiple sensors, attached to a pneumatic control valve, for measuring the state of the pneumatic control valve; a sma...  
WO/2018/041608A1
The invention relates to a displacement transducer having a housing (2). Arranged in the latter is a displacement transducer core (6), which is enclosed by a measuring coil (8). Here, the latter is supported via an actuating device (10, ...  
WO/2018/044062A2
Provided is a method for diagnosing a pneumatic control valve by using a positioner model. The method may comprise the steps of: establishing a relational expression for outputting a valve stem displacement according to control pressure,...  
WO/2018/036497A1
A drive device and valve actuator based on a gas-fluid composite spring. The drive device comprises a power cylinder (2). A gas-fluid composite spring device (12) is arranged on the power cylinder (2), and comprises a pressure vessel (13...  
WO/2018/033302A1
The invention relates to a method for actuating a valve device on the basis of a characteristic curve (v_kk, v_kkD) via which a respective target value (i_EDS) that corresponds to an actuation variable of the valve device can be determin...  
WO/2018/024352A1
The invention relates to a valve comprising a valve housing (1) and a manually actuatable valve part (5) which is arranged therein in a longitudinally displaceable manner, said valve part controlling the free passage cross-section for fl...  
WO/2018/024496A1
The invention relates to a flange support for reciprocal carrying of an actuator part, such as an actuating valve, of a process technology plant, such as a petrochemical plant, a food processing plant, a nuclear power plant, or the like,...  
WO/2018/016478A1
The present invention enables a valve body to reliably separate from an electrode so as to achieve improvement of reliability in detection of a fluid flow without affecting the return action of the valve body even in the case when the fl...  
WO/2018/016863A1
A ship according to an embodiment of the present invention comprises: a first air storage unit disposed on the bow side of a hull and including a blowing hole configured to blow out air into the water; and a plurality of second air stora...  
WO/2018/013087A1
A valve assembly (10) including a valve housing (18) and a handle (40) that is movable about an actuation axis (Y) to actuate a valve actuator (34) within the valve housing between an open position and a closed position. The handle has a...  
WO/2017/218209A1
A method of automated preventive and predictive maintenance for downhole valves in a well system is described. The method includes receiving, at a plurality of first times, first diagnostics data of the plurality of downhole valves, wher...  
WO/2017/203279A1
The invention relates to apparatus (6) and a method for the control of operation of one or more components (4) of a pipeline, such as a valve, in order to minimise the occurrence of potentially damaging and/or hazardous conditions occurr...  
WO/2017/201429A1
A valve integrity manager is coupled with a servo or stepper motor to direct micro stroke testing of emergency shutdown valves. During testing, the system orders a closure of 20-25% of an emergency shutdown valve, providing data that eit...  
WO/2017/198379A1
A stop valve (100) comprises a magnetic yoke (101), a solenoid coil (102), a compression spring (107) and an armature (105) on which an elastic membrane (106) is arranged. The membrane (106) can be sealingly pressed onto at least one flu...  
WO/2017/198380A1
Disclosed is a stop valve (100) comprising a magnetic yoke (101), a solenoid coil (102), a compression spring (107) and an armature (105) on which an elastic membrane (106) is arranged. The membrane (106) can be sealingly pressed onto at...  
WO/2017/196702A1
Calibration of a valve in a vacuum system and providing a diagnostic indication in the vacuum system using the calibration includes measuring conductance of the valve as a function of angular valve position and generating a conductance c...  

Matches 1 - 50 out of 6,618