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7398138 |
Swimming pool and spa controller systems and equipment
Systems for controlling aspects of recreational or other environments are described. Such systems are especially, but not exclusively, useful for controlling either or both of pool or spa settings...
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7392113 |
Systems for controlling multiple actuators
Methods, control systems, and information handling systems for controlling at least two actuators are provided. An internal control system sends an input received from the main control system to a...
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7383102 |
Slug flow protection system
A protection system is provided that mitigates damage caused by slug flow in oil and gas production systems. The protection system opens or closes a choke valve based upon flow parameters such as...
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7380564 |
System and method for a mass flow controller
A system and method for controlling a mass flow controller to have a constant control loop gain under a variety of different types of fluids and operating conditions, and for configuring the mass...
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7369920 |
Pressure control system with optimized performance
A pressure control system for controlling pressure of a fluid in a chamber includes a pressure sensor configured to measure the pressure of the fluid in the chamber, and a valve configured to...
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7361155 |
Compensating liquid delivery system and method
A device and method for accurate delivery of a liquid is described. The device comprises a flow channel through which the liquid flows. During manufacture or at some other point prior to the...
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7363114 |
Batch mixing method with standard deviation homogeneity monitoring
There is disclosed a system and method of formulating a batch comprising at least two chemicals. An embodiment is disclosed wherein a feedforward algorithm can be used to control the target blend....
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7363113 |
Intelligent environmental sensor for irrigation systems
The invention provides a regulator system for regulating the operation of an irrigation system which is responsive to user programmed information. It has a control element for issuing watering...
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7363115 |
Batch mixing method with first derivative homogeneity monitoring
There is disclosed a system and method of formulating a batch comprising at least two chemicals. An embodiment is disclosed wherein a feedforward algorithm can be used to control the target blend....
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7359769 |
Wireless irrigation control device and related method
An irrigation control device with a controller, antenna, power supply and battery charging device, such as a solar array, all contained within a housing, such as a rotor body. The controller...
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7359768 |
Route input system
A software-enabled Route Input System (RIS) process facilitates consistent communication among the various entities involved in route creation, where the entities have different tasks and...
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7356427 |
Methods and systems for estimating a nominal height or quantity of a fluid in a mixing tank while reducing noise
Systems and methods are provided for estimating the height of a fluid contained in a mixing tank. A dynamic control device which operates as an external observer is used for controlling and...
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7356382 |
System and method for verifying connection of correct fluid supply to an infusion pump
A system and method for verifying that a particular fluid supply is connected to an infusion pump or pump channel. An upstream pressure sensor coupled to a fluid conduit associated with the fluid...
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7346434 |
Electronically controlled fluid limiting apparatus and method for use thereof
A flow control apparatus and method for operating the apparatus are disclosed. The flow control apparatus comprises a main supply line, a first valve, a first pressure transducer, a rotary meter, a...
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7337042 |
Method and system for controlling irrigation using computed evapotranspiration values
A system for providing irrigation control is provided. The system includes a number of non-local data sources for providing data, a processor and an irrigation system. The processor is configured...
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7319921 |
Water treatment control system
A water filter system comprising a control system, communication means, piping, actuators, sensors and valves. The control system utilizes a communication bus for controlling and monitoring water...
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7317971 |
System for controlling fluid flow based on a valve break point
Embodiments of the present invention provide systems and methods of controlling fluid dispense to ensure clean break off of fluid at the end of a dispense process and to reduce crystallization of...
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7302313 |
Air quality monitoring systems and methods
An air monitoring system is disclosed having an air monitoring unit with at least one sensor for measuring data of an air quality parameter and a computer for storing the air quality parameter data...
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7299112 |
Electrically controlled pressure relief valve and system and method for controlling same
A system and method for controlling an electrically controlled pressure relief valve may use a soft position control loop to control the position of the valve. A pressure relief valve may also...
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7284370 |
Positioning control apparatus
A positioning control apparatus includes a position detector 102 which detects the position of a positioning object 101 , a target position generator 103 which generates a target position...
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7286945 |
Apparatus and method for identifying possible defect indicators for a valve
A method, apparatus, and computer program are provided for identifying possible indicators of a defective valve. The method, apparatus, and computer program decompose a signal having a plurality of...
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7283894 |
System and method for fluid regulation
Systems and processes for fluid regulation may provide diagnostic information that is useful for evaluating the condition and/or needed repairs/maintenance for fluid regulation systems. In...
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7277778 |
Control system and method for chemical injection
A chemical injection system has a pump and an actuator connected to the pump. The actuator further comprises a first sensor for sensing a deactivated state of the pump; a second sensor for sensing...
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7277770 |
Direct write process and apparatus
A direct write process and apparatus for fabricating a desired circuit component onto a substrate surface of a microelectronic device according to a computer-aided design (CAD). The process...
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7273098 |
Method for controlling oil and gas well production from multiple wells
A method for producing oil or gas from multiple wells, the wells including at least a first well and a second well, with each well using an artificial lift system that includes a plunger associated...
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7266426 |
Autonomous control unit-based control system capable of active diagnostics
A control system capable of detecting an anomaly in a controlled distribution network, and related method of detecting an anomaly, are disclosed. The control system includes a plurality of...
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7266427 |
Intelligent valve flow linearization
A feed-forward flow controller is designed to calculate a target valve position from a target flow. Correction is made for liquid or gas pressure drop across the valve and for the valve flow...
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7260499 |
Fuel delivery system with enhanced functionality and diagnostic capability
A control system for a fuel delivery system provides enhanced functionality and diagnostic capabilities relative to known systems. In accordance with one aspect of the invention, enhanced...
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7246753 |
Slop predictive control and digital pid control for a variable temperature control system
The present invention applies a slope predictive control method to a Variable Temperature Control (VTC) system, measuring the slope of the discharge temperature as a function of flow regulation...
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7243052 |
Method and apparatus for determining hysteresis
The invention relates to a method and a system for determining hysteresis of a process device in a process environment. The process comprises collecting ( 50 ) second-level sample data ys and us...
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7231041 |
Method, device, and system for secure motor vehicle remote keyless entry
Methods and apparatus are provided for sending an encrypted command message from a remote keyless entry device to a receiver in a motor vehicle. The method comprises defining a key generating key...
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7225056 |
Method for checking valves in a program-controlled water-carrying household appliance
In household appliances with a safety hose, the stop valve and the control valve are hydraulically connected in series. It is thus impossible, or very difficult, for the user to detect when one of...
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7225055 |
Control device, a control module, a module battery and a control system
A control device for the control of a module battery, comprising a first external bus interface for the reception of external control commands from a higher level control and an internal bus...
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7219805 |
Sieve screen level sensor
Sieve screen level sensing in a filtering apparatus ( 10 ) for filtering fine powder material (M) which includes a sieve ( 12 ) having a material inlet ( 24 ) and a material outlet ( 26 ), and a...
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7216020 |
Method and system for controlling an irrigation scheduling engine using computed evapotranspiration values
A system for providing irrigation control is provided. The system includes a number of non-local data sources for providing data, a processor and an irrigation system. The processor is configured...
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7216019 |
Method and system for a mass flow controller with reduced pressure sensitivity
Systems and methods for mass flow controllers which minimize false flow conditions and display a reduced sensitivity to pressure transients are disclosed. Pressure gradients that exist within the...
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7209806 |
Self-contained electronic pressure monitoring and shutdown device
The invention is a self-contained process shutdown device that detects abnormal pressures and initiates shutdown by removing the pneumatic or hydraulic pressure needed for a given process or flow...
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7207318 |
Method for operation of a device for energy conversion using a main fuel and at least one auxiliary fuel
A method for operating a converter for the energy conversion of fuel from at least one main fuel supply, and from at least one auxiliary fuel supply for operating the converter directly and/or by...
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7203575 |
Decentralized autonomous control for complex fluid distribution systems
A control system for a complex distribution network uses autonomous control units that may bid among themselves to reconfigure the distribution network in light of fluctuation demand or failures....
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7177725 |
System for the monitor and control of rest rooms
The present invention is directed to a rest room control system including one or more sensors configured to monitor or control a function associated with the rest room. The system also includes a...
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7174240 |
Control system for rotational angioplasty device
A method for controlling fluid flow in a rotational atherectomy device. A source of fluid is provided through a pump to the rotational atherectomy device, wherein the pump maintains the fluid flow...
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7169135 |
Fluid management and component detection system
Devices that detect and monitor components and fluid used with an injector system, such as an angiographic injector system, are disclosed. The devices may include mechanical, electrical or software...
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7156116 |
Apparatus and method for operating a valve using a cushion filter
A method, system, and computer program are provided for operating a valve using a cushion filter. The method, system, and computer program receive a process variable signal associated with...
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7158864 |
Interlock apparatus and method for supplying gas to a semiconductor manufacturing device
A gas supplying apparatus for a semiconductor manufacturing device has an interlock apparatus that includes at least one solenoid valve that controls the gas supply from a gas source to the...
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7155319 |
Closed loop control on liquid delivery system ECP slim cell
A method for controlling liquid delivery in a processing chamber. The method includes generating an analog input (AI) signal proportional to a process variable and calculating an analog output (AO)...
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7144552 |
Method and apparatus for preparing chemical solutions
A chemical solution preparation apparatus for preparing a chemical solution from chemical gas of an industrial chemical grade. A dissolution unit dissolves the chemical gas in pure water, which is...
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7133785 |
Valve control system and method
Embodiments of the present invention provide a system and method of valve control that eliminates, or at least substantially reduces, the shortcomings of prior art valve control systems and...
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7133749 |
Method and apparatus for optimizing soil moisture
A self-adjusting irrigation controller takes a pre-irrigation soil moisture reading prior to irrigation, chooses an amount of water to be dispensed corresponding to that reading from a table, and...
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7127885 |
Assembly for use in underground mining
An electro-hydraulic assembly for use in underground mining is disclosed. The assembly includes a hydraulic component, such as a valve block for an underground self-advancing roof support, as well...
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7130721 |
Electrohydraulic control system
Consistent with an aspect of the disclosure, a method for controlling a hydraulic cylinder is provided. The hydraulic cylinder is provided with a chamber and configured to receive fluid from a...
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