Class 137/554 - Electrical

Subclass of Class 137 - Fluid handling
Definition: Apparatus in which electrical signal system means are used
No. of applications: 72
Last issue date: 12/01/2011

«First «Previous1 2 Next»Last»

Application No.	Application Title	Issue Date
20110290332	Rotary Valve Position Indicator Device and Method for Indicating the Position of a Rotary Valve A rotary valve position indicator utilizes a magnet keyed to a shaft, and a magnetic field sensor mounted beside the magnet, to indicate the angular position of the shaft. A magnetic pole sensor detects the initial polarity of the magnet during setup to determine how to...	12/01/2011
20110240136	DYNAMIC SELF-CHECKING INTERLOCK MONITORING SYSTEM An interlock monitoring system includes a magnetic proximity sensor within a poppet valve type coupler to detect whether the poppet valve is opened or closed. An open poppet valve indicates a proper connection. The sensor consists of dedicated electronics that prevent c...	10/06/2011
20110192465	Vacuum Sewer Valve Fault Detection System A sensor unit detects an open vacuum interface valve coupled to a gravity sump that is pneumatically coupled to an air relief tube of a vacuum sewage system. The sensor unit includes an open valve sensor, a communication device, a processor and a power source. The open ...	08/11/2011
20110180165	Non-Magnetic Latching Servo Actuated Valve A non-magnetic latching servo actuated valve under the control of a controller comprising a motor in rotational communication with a lead screw. The lead screw advances or retracts a valve stem connected to a valve stem cap. The valve stem cap has a valve stem cap passa...	07/28/2011
20110139275	DISTRIBUTION VALVE MONITOR AND DISTRIBUTION VALVE INCORPORATING SAME A distribution valve monitor to monitor the operation of a distribution valve of the type having an inlet and a plurality of outlets, which couples the outlets to the inlet according to a desired fluid distribution pattern comprises a plurality of non-contact sensors di...	06/16/2011
20110132687	METHOD AND APPARATUS FOR PURGING AIR FROM AUTOMATIC LUBRICATION SYSTEMS An automatic lubrication system where grease is dispensed to injectors from a pump having a grease piston (42) reciprocated by a connecting rod from an oil piston (43) driven by alternating hydraulic pressure, is provided with air purge valves (41) ...	06/09/2011
20110126637	FORCE MEASURING VALVE ASSEMBLIES, SYSTEMS INCLUDING SUCH VALVE ASSEMBLIES AND RELATED METHODS Methods of evaluating a fluid condition may include stroking a valve member and measuring a force acting on the valve member during the stroke. Methods of evaluating a fluid condition may include measuring a force acting on a valve member in the presence of fluid flow o...	06/02/2011
20110126912	SUB SEA HYBRID VALVE ACTUATOR SYSTEM AND METHOD A sub sea valve actuator system including a piston and cylinder assembly and a return spring arranged in an actuator housing, a hydraulic pump and electric motor assembly associated with the piston and cylinder assembly, and hydraulic flow lines for hydraulic medium dri...	06/02/2011
20100294373	COMPACT VALVE POSITION INDICATOR A system for indicating the status of a valve may include an encapsulation with electronic circuitry disposed at least partially therein, a communication sub-system, a sensor, an indicator and a power source. The encapsulation may be zero volume, and the indicator may i...	11/25/2010
20100276016	Linear valve position measuring apparatus There is provided an apparatus for measuring a position of a linear type valve which is open/shut by operation of a hydraulic cylinder. More particularly, the apparatus more accurately measures a valve position by outputting a rotation angle of a rotation sleeve which r...	11/04/2010
20100251814	Flow Sensing Shutoff Valve A flow sensing valve includes a valve housing having an inlet port, an outlet port, and a plurality of flow sensing ports. A valve member, located within the valve housing, is configured to move between an open position and a closed position. The valve member allows fue...	10/07/2010
20100179697	METHOD FOR POSITION-DEPENDENT ELECTRONIC WEAR STATE DETERMINATION OF A VALVE MECHANISM, AND A PNEUMATIC VALVE A method and a valve arrangement are provided for electronic wear state determination of the valve arrangement for controlling a process medium flow. A valve element, which is arranged so as to move axially within a valve housing, is moved via electrically drivable line...	07/15/2010
20100152908	METHOD FOR DIAGNOSING THE STATE OF WEAR OF A VALVE ARRANGEMENT FOR CONTROLLING THE FLOW OF A PROCESS MEDIUM A method and valve arrangement are provided for controlling the flow of a process medium through a pipeline. A pneumatic actuator moves a valve element, which is accommodated in a valve housing, and switches the flow of the process medium, in accordance with a positioni...	06/17/2010
20100116365	REMOTELY READABLE VALVE POSITION INDICATORS Remotely readable valve position indicators and related methods are described. An example valve position indicator includes a wireless identifier device coupled to a valve stem or shaft to move with the valve stem or shaft. The wireless identifier device is to convey in...	05/13/2010
20100037966	Method for checking the functionality of an actuator A method for checking the functionality of an actuator is provided. A control valve is adjusted by an actuating drive by a manipulating element engaging the control valve, a position encoder captures the actual position of the manipulating element, and an electro-pneuma...	02/18/2010
20090273482	VALVE ALARM A valve alarm for use with a valve having an open position, a closed position, and a knob is provided. The valve alarm includes a handle having a knob seat receivable about the knob, and a body defining a volume. The knob seat is carried within the volume and moveable r...	11/05/2009
20090223358	METHOD OF VALVE CALIBRATION A method of calibrating an electrically actuated hydraulic valve in a system that controls the flow of hydraulic fluid to a hydraulic cylinder connected to a machine element operates automatically. The system includes an ultrasonic sensor providing an indication of the ...	09/10/2009
20090139587	DEVICE FOR ACTUATING A PROCESS VALVE FOR USE IN FOODSTUFFS TECHNOLOGY The invention relates to a device (100) for actuating a process valve (1), for use in foodstuffs technology, that has a valve member (4), an actuating element (14) being moved upon the shifting of the valve (1), in such a way that the ...	06/04/2009
20090107566	Fluid power valve arrangement with at least one solenoid valve A fluid power valve arrangement (10) with at least one solenoid valve (10) whose solenoid (14) is connected or able to be connected via only two control lines (11 and 12) with an electrical control and/or communication device (13	04/30/2009
20090071554	ROTATABLE SHAFT POSITION INDICATOR In some embodiments, a rotary shaft position indicating and display apparatus for use with a device having a rotatable shaft may include one or more of the following features: (a) a housing having a base with a cover secured to said base and defining a hollow sealed cha...	03/19/2009
20080289487	HYDRAULIC DISTRIBUTOR PROVIDED WITH A DEVICE FOR DETECTING SEIZING The present invention relates to a hydraulic distributor (2) of a servo-control (1) of an aircraft, the hydraulic distributor comprising main distributor member (10) and emergency distributor member (20) that are coaxial, said emergency distr...	11/27/2008
20080264498	Valve with Sensor A valve is provided according to one embodiment of the invention. The valve comprises a piston (104), a housing (106) surrounding the piston (104), an inlet (108) capable of allowing fluid into the valve, an exhaust (110) capable of al...	10/30/2008
20080257428	ACTUATING DRIVE The disclosure relates to an actuating drive for control of an actuating element for automation in process installations. An exemplary actuating device drive for control of an actuating element comprising: a position detection device configured for detection of an actua...	10/23/2008
20080202608	Hydraulic valve with spool position sensing assembly A hydraulic valve includes a valve body, a valve spool that is movable relative to the valve body for controlling fluid flow through the valve body, and a spool return assembly for biasing the valve spool into a centered position relative to the valve body. The hydrauli...	08/28/2008
20080190493	SENSOR MODULE, FLUID CIRCULATION SYSTEM HAVING THE SAME, AND METHOD FOR ASSEMBLING SENSOR MODULE Disclosed is the sensor module, including a housing having a connection path connected to a channel on which a fluid flows; a sensor disposed inside the housing so as to be communicated with the connection path, and measuring information about the fluid introduced from ...	08/14/2008
20080156121	DEVICE AND SYSTEM FOR MONITORING VALVES The invention relates to a network system for monitoring valves in a facility, which comprises: (a) a plurality of valve monitoring devices—VMDs, each monitoring device is affixed to a valve, and comprises: (a.1) a sensor for sensing the status of the valve; (a.2) sho...	07/03/2008
20080092960	VALVE SYSTEM WITH POSITION SENSOR A valve system has a valve housing, in which at least one valve element is displaceably guided. At least one magnetic field sensor is provided to detect the position of the valve element, which is acted upon by the magnetic field of at least one permanent magnet located...	04/24/2008
20080087334	Device for conversion of valves to supervised valves A device for converting a valve to a supervised valve is disclosed. The device includes a housing in which a coupling member is movably mounted. The coupling member is engageable with the actuating member of the valve when the device is mounted on the valve. A sensor is...	04/17/2008
20080053537	Check valve assembly including position indicator and method of operation A check valve assembly including a position indicator and method of operation, wherein the position indicator indicates the position of at least one of a plurality of flappers. The valve assembly including at least one bridge conductor and at least one pair of spaced ap...	03/06/2008
20070246015	Solenoid-operated valve with coil for sensing plunger position A valve has a plunger that is moved by an actuating solenoid. The actuating solenoid surrounds a large diameter segment of the plunger. A smaller position sensing coil surrounds a smaller diameter segment of the plunger (and is thus coaxial with the larger actuating sol...	10/25/2007
20070240773	Methods and devices for high throughput fluid delivery Methods and devices for delivering fluids into microfluidic device body structures (112, 202, 316, 508) are described. The methods and devices include the use of fluid manifolds (200, 300, 400, 500) which are integrated or interchangeable with device body ...	10/18/2007
20070227271	Apparatus and Method for Aspirating and Dispensing Liquid A liquid aspirating and dispensing apparatus and method of using the apparatus. Among other elements, the apparatus includes a liquid handling device having one or more channel members, each of which has a removable liquid holding tip attached, and a signal transmitting...	10/04/2007
20070209716	Connection State Sensing for Coupling Device A coupling device includes a main body defining a fluid flow passage, and a valve member moveable between an unconnected state and a connected state. The coupling device also includes a magnet coupled to the valve member, and a sensor coupled to the main body, the senso...	09/13/2007
20070131286	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 position when the valve member contacts the resilient sealing ring. In som...	06/14/2007
20070119505	Piezoelectric valve A motorized valve has a hollow case having an input and output tubes, a saddle connected with the hollow case, a turn plug cooperating with the saddle, and a piezoelectric drive to turn the turn plug, the piezoelectric drive including a piezoelectric generator of radial...	05/31/2007
20070102049	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 having a second diameter that is greater than the first diameter. A posi...	05/10/2007
20070079879	Valve with increased dynamic response A valve (1) comprises: a body (2); a bushing (3) slidably mounted on said body; a valve spool (4) slidably mounted on said bushing; said bushing and spool having respective control edges (5) that are adapted to cooperate with one anoth...	04/12/2007
20070068581	Throttle valve control device To reduce cost and size of a throttle valve control device, one end 3a of a throttle valve shaft 3 fixedly has a throttle valve lever 5 energized in valve opening direction by a throttle valve lever open spring 8, and rotatably has a d...	03/29/2007
20070034264	Apparatus for valve communication and control A device for controlling a valve rotary actuator and communicating information regarding the valve rotary actuator, including a non-contact sensor which monitors, through a continuous range of rotation, the rotational position of a rotating unit connected to the valve r...	02/15/2007
20060278281	Apparatus and method for closing a fluid path An apparatus for closing off a path in a fluid delivery system, comprising: a closing assembly providing a first fluid path between a first conduit and a second conduit, wherein the closing assembly comprises a remotely actuatable valve mechanism that closes the first f...	12/14/2006

«First «Previous1 2 Next»Last»

PatentStorm

Quotables

PatentStorm News

Class 137/554 - Electrical