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| Number | Title | Issue Date |
| 8117889 | Inspection system for pressure transmitting device of plant A pressure transmitting device inspection system for a plant includes a gauge calibration terminal used for inspection of a pressure transmitting device of a plant, a determining unit which automatically downloads a gauge specification of the pressure transmitting d... | 02/21/2012 |
| 7958768 | System to control pressure in a test device Embodiments of the present invention are directed toward pressure controllers and calibrators for setting or measuring pressures in test devices. In one embodiment, the pressure controller contains a dual reference pressure controller. The dual reference pressure co... | 06/14/2011 |
| 7874196 | Ergonomic pneumatic calibration power A pressure calibration pump comprises a manifold having a port for connection to a reference device and a port for connection to a device to be calibrated. A piston is operated by two handles to pressurize air in the manifold. A pressure adjustment knob is provided ... | 01/25/2011 |
| 7673494 | Device for testing at least one pressure sensor A device for testing at least one pressure sensor, by applying a pressure signal, the device testing the operativeness of the pressure sensor as a function of the pressure signal. In addition, it is provided that the device tests the tightness of the pressure sensor... | 03/09/2010 |
| 7644603 | Method of testing a surgical system A method of testing a surgical system that takes advantage of the fact that in a balanced irrigation/aspiration system (inflow≧outflow) the duration of the aspiration pressure recovery to the irrigation fluid source pressure immediately following pump stop is inde... | 01/12/2010 |
| 7637140 | Method and device for detecting an incorrectly connected differential pressure sensor An incorrectly connected differential pressure sensor with a high and a low pressure connection to an exhaust gas duct in parallel with a particle filter can be detected by checking at least one predefined criterion stable operating conditions. If stable operating c... | 12/29/2009 |
| 7430500 | Method and device for numerical analysis of flow field of incompressible viscous fluid, directly using V-CAD data A method including: a dividing step (A) of dividing external data into a plurality of cells (13) having boundaries orthogonal to each other, the external data including boundary data of an object which contacts incompressible viscous fluid; a cell classifying... | 09/30/2008 |
| 7427923 | Device for detecting a body fall into a swimming pool The invention relates to a device enabling an alarm to be triggered in the event of a fall into a swimming pool, and preventing false alarms caused by disturbing elements such as the wind. Said device consists of a probe (1) which is submerged in the liquid u... | 09/23/2008 |
| 7365452 | Sensor device and output characteristic switching method of sensor device A pressure sensor device (1) includes a sensing element (2) for sending an analog signal according to pressure. The pressure sensor device (1) outputs the analog voltage to a microcomputer (20) through an input-output terminal (8).... | 04/29/2008 |
| 7349760 | System and method for sensing and controlling the concentration of a chemical agent in a solution A system for measuring and controlling the concentration of a chemical agent in a solution has a reaction cell for receiving a sample, a titrant dropper for releasing one or more drops of titrant into the sample, a first photosensor for sensing disruptions of light ... | 03/25/2008 |
| 7323140 | Moving microdroplets in a microfluidic device The present invention relates to a system and method for moving samples, such as fluid, within a microfluidic system using a plurality of gas actuators for applying pressure at different locations within the microfluidic. The system includes a substrate which forms ... | 01/29/2008 |
| 7276023 | Device for checking endoscope channels In order to check endoscope channels, a predetermined quantity of liquid is led, at a predetermined pressure, through the channel that is to be checked, and the period of time for this is measured and evaluated. The predetermined quantity of liquid is determined via... | 10/02/2007 |
| 7273046 | Air-fuel ratio controller for internal combustion engine and diagnosis apparatus for intake sensors A computer calculates an estimated cylinder-intake-air amount based on outputs from an airflow meter and a throttle position sensor, and then calculates a reference cylinder-intake-air amount based on an air-fuel ratio in an exhaust gas and fuel injection amount. An... | 09/25/2007 |
| 7271721 | Protected distribution system An information transmission system comprising a conductor operable to carry a desired information signal. A first tube substantially surrounds the conductor and a second tube substantially surrounds the first tube to define a substantially fluid-tight chamber thereb... | 09/18/2007 |
| 7271711 | Device and method for determining a wheel position A device and a method for determining a wheel position on a vehicle, for example an automobile. Long-wave antennae of a vehicle access system already present in the vehicle transmit a signal, which is measured by a long-wave receive unit of a tire electronic system ... | 09/18/2007 |
| 7267137 | Deadweight pressure standards using non-hysteresis sylphons A deadweight pressure standard provides improved measurement accuracy and repeatability. The standard includes a flow regulator having a first valve controlled by a first pair of non-hysteresis sylphons, and a supply regulator having a second valve controlled by a s... | 09/11/2007 |
| 7266986 | Portable system for measuring dynamic pressure in situ and method of employment therefor A dynamic pressure testing or calibration system packaged as a portable unit for characterizing pressure sensors, such as transducers. Embodiments are packaged for carry on the body, are battery-operated, compatible with existing transducer mounts, and quickly learn... | 09/11/2007 |
| 7258016 | Pressure sensor with electronic datasheet A pressure sensing system and method includes a pressure sensor configured to include a pressure sensing diaphragm and a pressure port. A memory circuit incorporated can be incorporated into the pressure port. A high order polynomial component can also be provided. ... | 08/21/2007 |
| 7254518 | Pressure transmitter with diagnostics In one embodiment, a pressure transmitter is provided which diagnoses the condition of a primary element and/or an impulse line which connects to a pressure sensor. A difference circuit coupled to the pressure sensor has a difference output which represents the sens... | 08/07/2007 |
| 7249487 | Device for calibrating a pressure detector Device for calibrating a pressure detector, particularly an infrasonic pressure detector. This device includes measurement means for applying to this detector a reference pressure which varies depending on time and all of whose spectrum components covering a predete... | 07/31/2007 |
| 7231827 | Pressure transducer The pressure transducer provided with a measuring chamber is separated by a medium which is to be measured by a separation membrane. A piezoelectric element is arranged on the measuring chamber which is filled with silicone oil, thereby enabling the specific volume ... | 06/19/2007 |
| 7219553 | Dynamic transient pressure detection system The present invention is a dynamic transient pressure detection system for detecting and recording variations in pressure inside operating fluid chambers. One or more dynamic pressure sensors are installed inside an operating fluid chamber. Pressure is continuously ... | 05/22/2007 |
| 7174773 | Leak-testing technique for differential pressure sensor array A leak-testing technique and apparatus for differential pressure sensor arrays is provided. A reference pressure sensor array is provided, wherein a seal is disposed between the reference pressure sensor array and a target differential pressure sensor array. A probe... | 02/13/2007 |
| 7146842 | System for predetermining the operating threshold of a device surveying the radial deformation state of a tire A system for predetermining the operating threshold of a device surveying the radial deformation state of a tire comprises means capable of regulating the push due to the pressure of the tire on a closing mechanism and members capable of regulating the equilibrating... | 12/12/2006 |
| 7146843 | Extreme low air pressure deadweight tester The present invention relates to Deadweight Pressure Testers used for the calibration of air pressure transducers. An air pressure transducer, which is to be calibrated, is set in parallel with the deadweight tester. Air is slowly pumped into the cylinder and the pr... | 12/12/2006 |
| 7136683 | Surface acoustic wave sensor and radio frequency identification interrogator fixture A wireless sensor fixture system and method are disclosed in which an antenna block is provided that includes a plurality of grooves, wherein such grooves maintain a plurality of antennas located on a portion of the antenna block. A top locator block can be position... | 11/14/2006 |
| 7116218 | Vehicle-tire-state detection/communication apparatus and tire-data communication apparatus A detection/communication apparatus to be installed on a vehicle having a plurality of tires. The apparatus includes: (a) tire state detectors which are provided on the respective tires and each of which detects a state of a corresponding one of the tires; (b) local... | 10/03/2006 |
| 7111491 | Portable differential pressure generator A dual range dynamic pressure differential generator for use at low pressures using a differential over a variable valve for a first stage pressure differential and the differential over a flow accelerator for a second stage pressure differential. The differential o... | 09/26/2006 |
| 7109595 | Small multi-functional butane gas-powered portable electric generator The object of the present invention is a multi-functional electric generator comprising, an engine, a generator, a voltage-stabilizer control circuit, a gas storage gauge and a lighter. A manual electrical rod can be assembled to a side of the engine allowing the ge... | 09/19/2006 |
| 7089815 | Air brake system characterization by self learning algorithm Vehicles equipped with air brake systems and onboard vehicle management computers may be programmed to determine normal operating variables for the air compressor system used for maintaining air brake system pressure. The algorithm used determines normal compressor ... | 08/15/2006 |
| 7069773 | Manifold air flow (MAF) and manifold absolute pressure (MAP) residual electronic throttle control (ETC) security An engine fault diagnostic system includes a diagnostic module that generates a manifold absolute pressure (MAP) error signal and that generates a mass air flow (MAF) error signal. A security module generates an air flow fault when the MAP error signal exceeds a MAP... | 07/04/2006 |
| 7043960 | Self-calibrating pressure transducer A self-calibrating pressure transducer is disclosed. The device uses an embedded zirconia membrane which pumps a determined quantity of oxygen into the device. The associated pressure can be determined, and thus, the transducer pressure readings can be calibrated. T... | 05/16/2006 |
| 7017387 | Calibration and validation for leak detector A leak test arrangement having a leak calibration device is disclosed. The calibration device is connected into communication with the leak test arrangement and provides a controlled source (sink) of fluid at a predetermined amount. The calibration includes a substa... | 03/28/2006 |
| 6993976 | Pressure measuring device A device for measuring pressure includes a housing 9 in which a carrier 3 equipped with a sensor element 31 and electrical connection elements 34 is located. The housing 9 is made up of a first housing chamber 4 that enclose... | 02/07/2006 |
| 6957577 | Down-hole pressure monitoring system A non-electric down-hole formation pressure monitoring system utilizing a typical down-hole chemical injection system for pressure data acquisition used with surface computer integration to produce an accurate picture of formation pressure variations utilizing press... | 10/25/2005 |
| 6945087 | Method and system for calibrating a tire pressure sensing system for an automotive vehicle A system (10) and method is provided for calibrating a tire pressure monitoring system using an EM transmitter (14). The present invention includes a first pressure sensor coupled to a wheel of an automotive vehicle (12). The EM pressure transmi... | 09/20/2005 |
| 6935156 | Characterization of process pressure sensor A pressure sensor of a process device, is characterized by applying a plurality of pressures to the process sensor. Outputs of the plurality of pressures are received. A compensation relationship is determined based upon the pressure sensor output. The characterizat... | 08/30/2005 |
| 6931865 | Method and apparatus for determining coolant temperature rationally in a motor vehicle Methods, systems and devices for identifying irrational results from an engine coolant temperature (ECT) sensor in a vehicle are described. The vehicle suitably includes a processor in communication with the ECT sensor and an intake air temperature (IAT) sensor. The... | 08/23/2005 |
| 6920400 | Method and apparatus for detecting a plugged port A method and apparatus for detecting and clearing a plugged sensor port in a system containing a fluid being monitored through the sensor port. The method comprises establishing a range beyond which a fluid variable is expected to vary within a predetermined time in... | 07/19/2005 |
| 6907383 | Flow diagnostic system A flow diagnostic system for a flow sensing element and impulse lines. A pressure transmitter coupled to the impulse lines provides digital pressure data to a control system. The control system provides the pressure data and real time clock readings to a diagnostic ... | 06/14/2005 |
