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| Number | Title | Issue Date |
| 8190297 | Control method and system for a fluid control device, based on position sensor learning A control method is provided for a fluid control device, particularly for an internal combustion engine, equipped with a position sensor having a nominal characteristic curve representative of a predetermined relationship between an admissible range of position valu... | 05/29/2012 |
| 8185247 | Method and system for controlling compressor In the present invention, a method and a system for controlling a compressor are provided. The method includes the steps of: providing a condenser connected to the compressor, and at least one evaporator connected to the condenser; measuring an inlet pressure and an... | 05/22/2012 |
| 8180496 | System and method of constant pressure, variable speed pump control with local equalization for dissimilar pumps A pump control system includes a plurality of different variable speed pumps. Each of the pumps can be operated at a different speed to equalize pump loads. A system wide proportional integral differential control loop increases and decreases the speed of all pump m... | 05/15/2012 |
| 8170721 | Automatically adjusting irrigation controller Methods and devices are provided to automatically determine plant water requirements and adjust irrigation in order to make efficient use of water. In one implementation, an irrigation control unit comprises a memory storing historical values of a plurality of varia... | 05/01/2012 |
| 8165722 | Velocity and concentration adjustable coupling pipe apparatus equipped between lifting pipe and collector Disclosed herein is a velocity and concentration adjustable coupling pipe apparatus equipped between a lifting pipe and a collector. The apparatus includes a coupling pipe having a lower inlet and an upper outlet which are different in diameter from each other. A se... | 04/24/2012 |
| 8155794 | System and method for control of aeroelasticity effects A system is provided for control of a structure immersed in a fluid flow regime. The system comprises a plurality of flow sensors disposed on a surface of the structure, the flow sensors including at least one flow bifurcation point sensor. The system further compri... | 04/10/2012 |
| 8150553 | 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 t... | 04/03/2012 |
| 8150552 | Method, device and system for use in configuring a bathing unit controller A controller for a bathing unit system comprising a memory unit for storing program instructions, an interface for establishing a communication link with an external memory medium and a processing unit. The controller is operative for controlling a set of bathing un... | 04/03/2012 |
| 8131400 | Adaptive on-tool mass flow controller tuning One embodiment comprises a method of providing accurate mass flow controller flow rate data for a non-manufacturing-tuning-gas. The mass flow controller may be operated at a setpoint greater than 50%. Data may be recorded to a mass flow controller memory. The setpoi... | 03/06/2012 |
| 8121736 | Air spindle with closed loop speed control A method and apparatus for controlling an air motor. Speed information is received for an operation using an apparatus comprising the air motor having an inlet and an exhaust, and a valve comprising a body with a first port, a second port, and a third port. The firs... | 02/21/2012 |
| 8112183 | Substrate processing apparatus and substrate processing method A substrate processing apparatus detects malfunction of mechanisms in MFC. An inert gas supply line, a first shut-off valve shutting off the inert gas supply, a process gas supply line, and a second shut-off valve shutting off the process gas supply are installed up... | 02/07/2012 |
| 8112182 | Mass flow rate-controlling apparatus A mass flow rate-controlling apparatus including a mass flow rate-detecting mechanism 8 a flow rate-controlling valve mechanism 10 and a mechanism 44 for controlling the flow rate-controlling valve mechanism based on a flow rate-setting signal S... | 02/07/2012 |
| 8103385 | Optimizing product drying through parallel lines of centrifuges and dryer process units The present invention provides novel techniques for controlling flow rates through parallel distribution paths of centrifuges and dryers using model predictive control. In particular, the present techniques are presented in the context of biofuel production, wherein... | 01/24/2012 |
| 8095241 | Fluid evacuation system with two-way communication filter An evacuation system includes at least one fluid intake, at least one fluid outlet, at least one operational component such as an evacuation motor, and a first read/write device such as an RFID tag for transmitting, receiving, or storing information. The evacuation ... | 01/10/2012 |
| 8078328 | System, program product, and related methods for performing automated real-time reservoir pressure estimation enabling optimized injection and production strategies Systems, program product, and methods for providing real-time reservoir management of one or more reservoirs across one or more fields are provided. A system can include multiple monitoring wells and at least one injection well in communication with a central facili... | 12/13/2011 |
| 8078327 | Control method of a hydraulic machine for saving energy or improving efficiency An energy-saving or speed-increase control method for a hydraulic machine is disclosed in this invention, the characteristics of which includes a control plan to adjust pressure or flow amount of the machine for energy-saving or production efficiency increase; setti... | 12/13/2011 |
| 8041462 | System and method for controlling hydronic systems having multiple sources and multiple loads A method and system for designing and controlling a hydronic apparatus. In one aspect of the invention, the system includes a computing device having a first receiver that receives input data, in which the input data includes environmental data and hydronic apparatu... | 10/18/2011 |
| 8036780 | Flow controller and test method therefor, and flow control method A flow controller and a test method therefor are provided which enable testing of the flow control of a process gas passing through a fluid path during operation of semiconductor manufacturing apparatuses. While the flow control is being performed to adjust the flow... | 10/11/2011 |
| 8032257 | Field equipment of two-wire A field equipment includes: a signal processing section; a first calculation control section for generating a first control signal which controls a start of a signal processing of the signal processing section; first and second insulating sections coupled to the fir... | 10/04/2011 |
| 8032258 | Multi-channel chemical transport bus for microfluidic and other applications A controllable multiple-channel chemical transport bus routing and transport of fluids, gasses, aerosols, slurries and the like within a larger system. The system and methods are applicable for use in Lab-on-a-Chip (LoC) technology, and may be useful in the implemen... | 10/04/2011 |
| 8027751 | Fluid delivery system A fluid delivery system for delivering a metered dose of fluid from a supply tank (28) to a downstream chamber or vessel (10), comprises a pump apparatus (20) comprising a pump plunger (32) which is operable to perform a pumping stroke un... | 09/27/2011 |
| 8019479 | Control algorithm of variable speed pumping system A pumping system includes a pump for moving water. In one aspect, this is in connection with performance of an operation. The system includes a variable speed motor operatively connected to drive the pump. A value indicative of flow rate of water is determined and t... | 09/13/2011 |
| 8019480 | Method for controlling cooled or heated water pump of air conditioning installation A method for controlling the operation of a cooled or heated water pump of an air conditioning installation is provided in which the flow rate of cooled or heated water is controlled to correspond to variations of energy demand on a load side unit. This can be effec... | 09/13/2011 |
| 8019481 | Flow rate ratio control device A flow ratio controller having: a main channel; branch channels branching from the end of the main channel; control valves respectively provided in the branch channels; a plurality of flow rate meters for measuring the flow rate of the main channel and the flow rate... | 09/13/2011 |
| 7991510 | Flow measurement and control with bubble detection Systems and methods for liquid flow sensing and control for use with a variety of different types of liquid flow measurement and control systems. The liquid flow sensor system senses a flow signal indicative of the flow rate of the liquid flowing in a sensor conduit... | 08/02/2011 |
| 7979165 | Mass flow rate control apparatus, its calibration method and semiconductor-producing apparatus A method for calibrating a mass flow controller comprising a calibrating valve disposed on the most upstream side of a path, a mass flow rate control valve mechanism, a tank provided at the path on the upstream side of the mass flow rate control valve mechanism, a m... | 07/12/2011 |
| 7974741 | Managing information related to industrial equipment An electronics module for an industrial device is associated with an individual industrial device. Audit data for the industrial device is stored in a memory of the electronics module. The audit data includes information related to one or more steps that have been p... | 07/05/2011 |
| 7970494 | Systems and methods for monitoring relief valve drain in hot water Heater A system is disclosed that advantageously monitors a status of a relief valve coupled to a water heater or other pressure vessel. By monitoring the relief valve, the system can limit the energy and water wasted resulting from the relief valve's failure. The system c... | 06/28/2011 |
| 7957841 | Method of calculating pump flow rates and an automated pump control system A method of determining a flow rate of a pump involves determining a volume capacity for a flow line carrying produced fluids from the pump, determining a starting pressure for the flow line and setting an arbitrary target pressure for the purpose of testing. The te... | 06/07/2011 |
| 7925385 | Method for optimizing valve position and pump speed in a PID control valve system without the use of external signals The present invention provides an algorithm that utilizes flow reference data which can be mathematically determined as a function of various pump and motor parameters such as speed, torque or power or from calibrated flow curves stored in an evaluation device, or f... | 04/12/2011 |
| 7925386 | Control device for a pneumatically operated actuator The disclosure relates to a control device for a pneumatically operated actuator in the field of process automation, in particular for continuous control of material flows in the industrial environment. The control device has a communications interface for receiving... | 04/12/2011 |
| 7917249 | Intelligent sprinkler irrigation system The present invention features an intelligent sprinkler irrigation system for delivering fluid to an arbitrarily-shaped area in a precise manner. In general, the system comprises (a) a fluid source comprising a pressurized fluid; (b) at least one programmable sprink... | 03/29/2011 |
| 7908034 | System, program products, and methods for controlling drilling fluid parameters Embodiments of systems, program products, and methods for controlling drilling fluid parameters are provided. These embodiments, for example, provide dynamic density control with highly adaptive, real-time, process-control and are scalable to any rig, large or small... | 03/15/2011 |
| 7890216 | Control valve and positioner diagnostics Valve positioning systems may include one or more components and a controller. Components may include one or more electric-to-pressure output converters, relays, gas supplies, and/or actuators. A controller may adjust a position of a valve by sending a signal. The v... | 02/15/2011 |
| 7881828 | Bus module for connecting electrically triggered fluidic valves A bus module for connecting electrically triggerable fluidic valves to a data bus. The bus module has an electrical circuit configuration, which evaluates address data and user data from data telegrams transmitted on the data bus and which triggers a fluidic valve d... | 02/01/2011 |
| 7881829 | Mass flow controller This invention provides a mass flow controller that can prevent a flow rate change due to a pressure change without sacrificing the speed of response to a change of a flow rate setting value and can be used in a system that can generate a crosstalk. In order ... | 02/01/2011 |
| 7865271 | Methods and systems to increase efficiency and reduce fouling in coal-fired power plants A system for reducing fouling and improving efficiency in a coal-fired power plant that may include: 1) an analyzer grid, the analyzer grid including a plurality of sensors that measure gas characteristics through an approximate cross section of a flow through a boi... | 01/04/2011 |
| 7853362 | Method and device for regulating fluid pump pressures A method is provided for regulating fluid pump pressures by detecting an elevation differential between a fluid flow control device and the distal end of a fluid line in communication with the fluid flow control device. A fluid flow control device, for instance a pe... | 12/14/2010 |
| 7831340 | Local digital valve controller unit A controller assembly is adapted for regulating at least one valve having a valve positioner. The controller assembly comprises a digital controller having a plurality of data inputs and data outputs and includes at least one proportional-integral-derivative (PID) c... | 11/09/2010 |
| 7818094 | Control system for monitoring salt levels in a brine tank A control system monitors salt level in a brine tank having a water inlet. The control system comprises a memory device storing an amount representing actual salt level in the brine tank. A sensor determines water level in the brine tank. A control valve is operativ... | 10/19/2010 |
