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| Application No. | Application Title | Issue Date |
| 20110247696 | MASS FLOW CONTROLLER WITH ENHANCED OPERATING RANGE A mass flow controller among other embodiments and method is described. The mass flow controller including a thermal mass flow sensor including at least two sensing elements coupled to a sensor tube of the mass flow controller, the thermal mass flow sensor being designe... | 10/13/2011 |
| 20110247390 | METHOD AND MASS FLOW CONTROLLER FOR ENHANCED OPERATING RANGE A mass flow controller (MFC), a method for calibrating an MFC, and a method for operating an MFC are disclosed. The method for calibrating the MFC includes obtaining data relative to two signals from a thermal mass flow sensor when operating the mass flow controller at ... | 10/13/2011 |
| 20110232770 | Irrigation System Leak Controller and Method A device and method for preventing leak losses in irrigation system zones is disclosed, wherein the device and method monitor a fluid flow characteristic to detect leak conditions, and automatically close off fluid flow to a zone in which a leak condition is detected.... | 09/29/2011 |
| 20110220213 | DYNAMIC-ADAPTIVE VAPOR REDUCTION SYSTEM AND METHOD A system and method for improved flow measurements for LCG, such as liquid petroleum gas (LPG), is disclosed. Embodiments of the present technology detect the presence of a vapor in a fluid flowing in a mass flow meter. A control valve is then adjusted to provide enough... | 09/15/2011 |
| 20110168278 | GAS CUTOFF DEVICE An object of the invention is to avoid a gap between the total using amount of gas and the sum of a plurality of change amounts held in a gas cutoff device. The gas cutoff device includes a flow rate detection unit 11, a flow rate calculation unit 12, an i... | 07/14/2011 |
| 20110048551 | FLOW RATE CONTROL DEVICE A mass flow controller comprises a flow rate measuring part that measures a flow rate of a fluid flowing in a flow channel and outputs a measured flow rate value, a control valve, a valve control part that controls an opening degree of the control valve based on an enti... | 03/03/2011 |
| 20100324743 | APPARATUS AND METHOD FOR PRESSURE FLUCTUATION INSENSITIVE MASS FLOW CONTROL A mass flow controller includes a thermal mass flow sensor in combination with a pressure sensor to provide a mass flow controller that is relatively insensitive to fluctuations in input pressure. The pressure sensor and thermal sensor respectively provide signals to an... | 12/23/2010 |
| 20100319783 | HOT WATER SYSTEM AND THE CONTROL METHOD It is an object of the present invention to provide a hot water system that quickly supplies hot water at user's desired temperature and reduce installation cost, and a method of controlling the same According to the present invention, the hot water system includes: a m... | 12/23/2010 |
| 20100307600 | APPARATUS AND METHOD FOR AUTOMATICALLY DISABLING UTILITIES A safety apparatus for automatically disabling a utility of a facility. The safety apparatus includes at least one remote sensor that transmits a signal if an environmental parameter reaches a preset default setting or a setting selected by a user. The safety apparatus ... | 12/09/2010 |
| 20100229967 | MASS FLOW CONTROLLER VERIFYING SYSTEM, VERIFYING METHOD AND VERIFYING PROGRAM In a mass flow controller verifying system, there are provided a verifying gas line arranged in parallel to influent flow gas lines and joined into a post-confluent flow gas line, a reference volume calculating portion adapted to calculate a reference volume determined ... | 09/16/2010 |
| 20100206386 | APPARATUS AND METHOD FOR AUTOMATICALLY DISABLING UTILITIES A safety apparatus and method for automatically disabling a utility of a facility. One safety apparatus may be connected, for example, in a basement of a house in line with a water pipe just after a water meter. Another safety apparatus may be connected, for example, in... | 08/19/2010 |
| 20100206400 | Product Dispensing System A flow control device is disclosed. The flow control device includes a solenoid, the solenoid including an armature. Also, a piston connected to the armature. The piston includes a primary orifice. The piston having an open position and a closed position. A piston sprin... | 08/19/2010 |
| 20100200083 | FLOW RATE CONTROLLER A flow rate controller detects a clogged state of an orifice to prevent errors during flow rate measurement. The flow rate controller includes a differential pressure flow meter, with an orifice disposed between a pair of pressure sensors, that converts a pressure diffe... | 08/12/2010 |
| 20100163119 | MASS FLOW METER AND MASS FLOW CONTROLLER In order to improve a measurement accuracy of a mass flow meter, the mass flow meter comprises a flow rate calculating section that obtains an output signal from a sensor section having a thermosensitive resistive element arranged in a flow channel where a sample gas fl... | 07/01/2010 |
| 20100132813 | VALVE LEAKBY DIAGNOSTICS A method is disclosed for determining leakby in a flow controller (100) comprising a flow sensor (102), a flow control valve (106) and electronics (104). The electronics are coupled to the flow sensor, the flow control valve and configured to... | 06/03/2010 |
| 20100126600 | FAULT-TOLERANT CHEMICAL INJECTION SYSTEM FOR OIL AND GAS WELLS A metering body for a chemical injection system comprises a free piston having a pair of mechanically-actuated poppet valves which may individually open to permit fluid to pass from one side of the free piston to the other. The free piston slides within a cylinder havin... | 05/27/2010 |
| 20100101664 | FLUID CONTROL APPARATUS A fluid control apparatus is provided, in which a tube (14) is passed through a through-hole of a holding unit (30,31), and a first and second coupling units (20,24) fitted with an insert portions at both ends of the tube are fitted on a large-diame... | 04/29/2010 |
| 20100096019 | VARIABLE FLOW RESHAPABLE FLOW RESTRICTOR APPARATUS AND RELATED METHODS A novel apparatus and associated methods for controlling the flow through a flow restrictor using a reshapable lumen. The lumen reshapes as a function of the pressure differential over the flow restrictor. Because flow rate is proportional by the fourth order of magnitu... | 04/22/2010 |
| 20100089456 | METHOD AND APPARATUS FOR LOW POWERED AND/OR HIGH PRESSURE FLOW CONTROL The present invention relates to a fluid control system for regulating a fluid. A control device positionable between an inlet and outlet includes a first bellows, a second bellows, a resilient member, a diaphragm and a valve. The diaphragm and valve is each in fluid co... | 04/15/2010 |
| 20100051110 | GAS ACTUATED VALVE A method and system to pulse at least one solenoid valve to regulate the volume of instrument air or other gas (e.g. nitrogen or natural gas) to the supply side or from the discharge side of a diaphragm actuator. The diaphragm actuator operates a primary variable flow/c... | 03/04/2010 |
| 20090288718 | APPARATUS TO REGULATE FLUID FLOW Apparatus to regulate fluid flow are disclosed. The apparatus includes an example regulator valve and an example automatically-adjusting or self-adjusting amplifier valve to maintain fluid flow during low downstream demand fluid flow conditions, and to maintain the oper... | 11/26/2009 |
| 20090277517 | Passive Overpressure and Underpressure Protection For A Cryogen Vessel In a magnet system for MRI imaging comprising a superconducting magnet (10) mounted within a cryogen vessel (12), apparatus is provided for controlling egress of cryogen gas from the cryogen vessel. The apparatus comprises a controlled valve (42) li... | 11/12/2009 |
| 20090277516 | Product Dispensing System A flow control device is disclosed. The flow control device includes a solenoid, the solenoid including an armature. Also, a piston connected to the armature. The piston includes a primary orifice. The piston having an open position and a closed position. A piston sprin... | 11/12/2009 |
| 20090242042 | Safety system for fluid conduit A safety system for a fluid conduit includes an elongated flexible conduit having a first end and a second end and a central opening running therethrough and capable of transporting a first fluid under pressure. A first valve is located near the first end of the conduit... | 10/01/2009 |
| 20090217982 | ADJUSTABLE FLOW CONTROLLERS FOR REAL-TIME MODULATION OF FLOW RATE Clamps to be used in conjunction with real-time or nearly real-time measurement of the flow rate of a fluid through a lumen. The clamps allow for more precise control over the volume of fluid delivered and over the flow rate. When the flow rate is determined to be too f... | 09/03/2009 |
| 20090173390 | Method and a System for Enhanced Flow Line Control A method for automatically controlling a flow in a flow line system including a flow line, a flow line inlet and outlet, and a control valve located in the flow line at the outlet. The method includes controlling the opening of the valve with a control unit. An outlet f... | 07/09/2009 |
| 20080283129 | Water Supply Shutoff Device The present invention provides water supply shutoff device (10) for use with a water supply pipe (16). The device comprising a body (12) having water inlet (18) connectable to the upstream side of the water supply pipe, an water outlet (20... | 11/20/2008 |
| 20080251137 | IN-SITU MONITOR OF INJECTION VALVE The present invention generally provides methods and apparatus for monitoring performance of an injection valve. In one embodiment, a control signal relates to an actuator movement is monitored and correlated to performance of the injection valve.... | 10/16/2008 |
| 20080216901 | Pressure control for vacuum processing system A pressure control system includes a digital communication network between a pressure sensor and a pressure controller. The digital communication network is configured to communicate signals between the pressure sensor and the pressure controller. The pressure sensor is... | 09/11/2008 |
| 20080140260 | Controller gain scheduling for mass flow controllers A mass flow controller having a feedback controller gain, comprises: a sensor configured so as to sense the flow of fluid through controller; a valve arranged so as to adjust the flow of fluid through the controller; and a processor configured so as to controlling the v... | 06/12/2008 |
| 20070256739 | SINGLE SYSTEM FOR LOW OR HIGH PRESSURE GASES CONTROL AND HIGH OR LOW PRESSURE GASES CONTROL VALVE “SINGLE SYSTEM FOR CONTROL OF HIGH OR LOW PRESSURE GASES FLOW RATE AND VALVE FOR CONTROL OF HIGH OR LOW PRESSURE GASES”, consists essentially in a system (S), which has active control of the movement of the valve (1) ram (E) solely by the concept of measureme... | 11/08/2007 |
| 20050150552 | Device, method, and system for controlling fluid flow A flow control device may include an inlet for passing fluid into the device, an outlet for passing fluid from the device, a pneumatic pressure controlling portion, a fluid flow control valve actuated by pneumatic pressure supplied via the pneumatic pressure controlling... | 07/14/2005 |
| 20050145278 | Flow control valve and flow control device There are provided a flow control valve and a flow control device suitable for allowing flow control of a fluid with high accuracy. Diaphragms 8 and 9 are mounted to upper and lower openings, respectively, of an air chamber 6. The upper diaphragm 07/07/2005 | |
| 20050115612 | Flow regulating valve, flow rate measuring device, flow control device, and flow rate measuring method A flow regulating valve (11), which has a valve disk (11b) operably disposed in a flow channel and is capable of regulating the flow of fluid according to the valve opening degree of the valve disk (11b), is characterized by comprising... | 06/02/2005 |
| 20050016591 | Valve and fuel supply system A combined by-pass valve and pressure sensor comprising a housing, a fluid inlet whereby fluid can enter the housing, a fluid outlet whereby fluid can exit the housing, a valve seat between said inlet and said outlet, a valve closure member movable relative to the housi... | 01/27/2005 |
