| Dresser, Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120000281 | Meter Devices and Methods - Some embodiments of a meter device for measuring volume flow of gas can include bearings and the timing gears may each include a least one component comprising a ceramic material that enhances the wearability of the bearing and the timing gears. Accordingly, the gas flow meter can operate in a manner that reduces or eliminates the need for external oil lubrication of the bearings and the timing gears (e.g., the external oil lubrication conventionally provided by the oil bath compartment), and thus reduces the likelihood of failure of the gas flow meter due to leaks or failures of the oil bath compartment. | 01-05-2012 |
| 20110321173 | Multimode Retail System - A multimode system for receiving data in a retail environment includes: a secure input module for receiving high security input and low security input from a customer, the high security input to be communicated by the secure input module in cipher text, and the low security input to be communicated by the secure input module in plaintext. The multimode system is adapted to operate in a high security mode and a low security mode. The multimode system is adapted to enter the low security mode upon detection by the multimode system of a security breach condition. In the high security mode, the secure input module accepts low security input and high security input. In the low security mode, the secure input module accepts the low security input and does not accept the high security input. | 12-29-2011 |
| 20110301881 | System and Method for Monitoring and Controlling Pressure Relief Valve Performance - Techniques for monitoring operation of a relief valve containing an internal flow passage with a valve seat and valve plug disposed therein. The temperature of a fluid is sensed in the internal flow passage downstream of the seat. A valve temperature signal is generated representative of the temperature. The valve temperature signal is monitored to detect a rate of change in the temperature. The internal pressure of an inlet pressure line is sensed, connected to the internal flow passage upstream of the valve seat. A line pressure signal is generated representative of the internal pressure. The line pressure signal is compared against at least one expected line pressure value to determine a line pressure status. Operational status of the pressure relief valve is determined based at least in part on the detected rate of change of the fluid temperature and at least in part on the determined line pressure status. | 12-08-2011 |
| 20110284092 | Pressure Relief Valve - A pressure relief valve includes a base including a fluid inlet and outlet, a nozzle, and a disc. The nozzle includes a substantially annular seat, a substantially cylindrical seat inlet, and a substantially cylindrical bore in fluid communication with the seat inlet. A ratio between a bore diameter and a seat diameter is a constraint ratio. The disc contacts the seat to seal the fluid inlet to substantially prevent fluid communication between the fluid inlet and outlet when the valve is closed. The disc and the disc holder are adapted to be urged by fluidic pressure such that contact between the disc and the seat is removed at the fluidic pressure to allow fluid communication between the fluid inlet and the cavity. Dimensions of the disc, the disc holder, and the nozzle may be functions of the seat diameter and limited by the constraint ratio. | 11-24-2011 |
| 20110115425 | Recharging Electric Vehicles - A charge transfer apparatus having an input and an output includes: an AC/DC converter coupled to the input of the charge transfer apparatus and configured to receive AC power at a first power level; and a charge storage device coupled to the AC/DC converter, where the charge storage device is configured to receive charge at the first power level and to transfer charge to the output of the charge transfer apparatus at a second power level, and the second power level is greater than the first power level. | 05-19-2011 |
| 20100312401 | Chemical Injection System - A chemical injection system includes a pump in fluid communication with a chemical reservoir and a pipeline; a motor coupled to the pump and adapted to drive the pump to transfer a chemical fluid from the reservoir to the pipeline; a motor controller electrically coupled to a power module and the motor and adapted to adjust a rotational speed of the motor; and a central controller communicably coupled to the motor controller and a remote computing device. The controller includes a translator adapted to receive a signal from the remote computing device in a first communication protocol and translate the signal from the remote computing device to a command in a second communication protocol distinct from the first communication protocol, where the command is operable to adjust the motor controller to adjust the rotational speed of the motor. | 12-09-2010 |
| 20100252571 | Fluid Dispensing Apparatus and Method - A fluid dispenser hose module includes a housing adapted to enclose the fluid nozzle and at least a portion of a fluid hose within an interior volume of the housing. A first door located adjacent an exterior of the housing allows removal of the fluid nozzle when the first door is adjusted from a closed position to an open position. The first door automatically returns to the closed position from the open position when the fluid nozzle is returned to the boot. A second door adjacent the exterior of the housing automatically adjusts from a shut position to a retracted position when the first door is adjusted from the closed position to the open position. The second door allows access to the fluid hose in the retracted position and automatically returns to the shut position from the retracted position when the first door returns to the closed position. | 10-07-2010 |
| 20100116347 | SAFETY OVERRIDE CIRCUIT FOR PNEUMATIC POSITIONER AND METHOD OF USE THEREOF - Systems and processes may provide improved performance for a pneumatic positioner during a safety override. In certain implementations, a system and process may include may include the ability to receive an input control signal, power control circuitry of the pneumatic positioner using the input control signal, and generate a control signal for a signal-to-pressure converter with the control circuitry based at least partially on the input control signal. The system and process may also include the ability to detect an unsafe operating condition for the pneumatic positioner based on an input signal and modify the control signal in response to detecting the unsafe operating condition, to cause the converter to transition to a safe state. The system and process may additionally include the ability to allow the control circuitry to continue being powered by the input control signal while the converter is in the safe state. | 05-13-2010 |
| 20100057262 | FLUID PROCESS CONTROL - A fluid regulator characterization system can characterize the flow of a fluid regulator that results in response to a received control signal. The fluid regulator characterization system can use the characterization to achieve a linear fluid regulator flow gain over a full operating range (e.g., zero percent travel to one hundred percent travel) for the fluid regulator relative to the received control signal. A linear fluid regulator flow gain can improve process control and reduce process variability. | 03-04-2010 |
| 20090259344 | 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 performed while making the individual industrial device. Operating instructions for the industrial device are stored in the memory of the electronics module. The operating instructions are operable to enable the electronics module to control and/or monitor one or more aspects of the flow control device operation. | 10-15-2009 |
| 20090216350 | 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 valve positioning system may individually monitor components and determine the condition of each component being individually monitored. The valve positioning system may determine if a component will fail prior to failure and/or determine if a problem will occur in a component prior to the problem occurring. | 08-27-2009 |
| 20090205326 | Recirculation of Exhaust Gas Condensate - Systems for operating on an internal combustion engine coupled to an exhaust conduit and an intake conduit include an exhaust gas recirculation conduit in fluid communication with the exhaust conduit, a heat exchanger coupled to the exhaust gas recirculation conduit to cool at least a portion of the amount of exhaust, a liquid accumulator adapted to accumulate liquid from at least a portion of the amount of exhaust, and a condensate conduit coupled to the liquid accumulator. Methods of operating an engine include: receiving an exhaust gas recirculation stream from a main exhaust stream, cooling the exhaust gas recirculation stream, removing at least some condensate from the exhaust gas recirculation stream after cooling, and adding at least some of the condensate removed from the exhaust gas recirculation stream to the main exhaust stream and/or to an inlet charge of the engine. | 08-20-2009 |
| 20090188315 | INSTRUMENTS FOR FLOW METERS - Some embodiments of an instrument for a flow meter can automatically adjust in response to the rotational direction of the drive shaft of the flow meter, thereby permitting the instrument device to perform its intended function regardless of the fluid flow direction through the flow meter. In one example, the instrument may comprise a corrector instrument that includes a counter. | 07-30-2009 |
| 20090058641 | Detecting Component Removal - Component removal detection may be accomplished by a variety of systems and techniques. In one embodiment, a system for component movement detection may include a payment module, a fuel dispenser, and a movement detection device. The fuel dispenser may receive the payment module and enclose the payment module at a first position defined by a fixed position of the payment module relative to the fuel dispenser. The movement detection device may be communicably coupled to the payment module and may detect a first value at the first position and a second value at a second position of the payment module, where the second position may be different from the first position. Further, the movement detection device may transmit the second value to the payment module, where the payment module may activate a security measure based upon a difference in the first and second values greater than an adjustable absolute limit. | 03-05-2009 |
| 20090035121 | Fluid Flow Modulation and Measurement - In fluid flow measurement applications, apparatus and associated systems, computer program products, and methods may include a positive displacement fluid flow meter having an actuator to control fluid flow through the meter, and further having two or more rotating members with substantially parallel axes that rotate in response to the actuator and to fluid flow through the meter. In various implementations, the actuator may promote and/or retard a fluid flow being measured through the meter. In some examples, the fluid flow meter may operate as a pump to controllably increase a line pressure, controllably regulate a fluid flow rate by opposing rotation of the rotating members, substantially stop a fluid flow, and/or reverse a base fluid flow direction. In an illustrative example, the meter may operate to accurately monitor and control fluid flow (e.g., fluid pressure, velocity, and/or volume) before, during, and/or after a line break. | 02-05-2009 |
| 20080269951 | Controlling Fluid Regulation - Fluid regulation control may be accomplished by a variety of systems, devices, and techniques. In one application, a fluid regulation control device may include a processor, a fluid control assembly, and a power source. The processor may be adapted to generate a command for controlling a fluid regulator and to adjust a power condition of the device, which may include a low power mode and a high power mode. The device may consume substantially less power in the low power mode than in the high power mode. The fluid control assembly may include a transducer, which may receive a control fluid and adjust it in response to the command during the high power mode. The fluid control assembly may also maintain the adjusted control fluid at a substantially constant value during the low power mode. | 10-30-2008 |
| 20080236679 | SYSTEMS AND PROCESSES FOR FIELD-INITIATED FLUID REGULATION TESTING - Systems and processes may provide field-initiated testing and/or control of fluid regulatory systems. In one aspect, a fluid regulatory testing system may include a field test initiator and a fluid regulator control system. The field test initiator may alter control signal delivered to the fluid regulator control system upon activation of a user input device. The fluid regulator control system may receive control signals from the field test initiator and generate fluid regulator control signals. The fluid regulator control system may also detect whether a control signal has been altered, and initiate a fluid regulator testing sequence, if the control signal has been altered. The fluid regulator control system may include a latch mode. When a latch mode is commenced, generation of fluid regulator control signals based on received control signals and/or alteration of a position of a fluid regulator may be inhibited. | 10-02-2008 |
