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| Number | Title | Issue Date |
| 8113059 | Circuit module A circuit module, in particular a tire sensor module, which at least includes: a substrate, on or in which at least one component is mounted, a piezoelement, which has at least one clamping region and at least one oscillatory region, the piezoelement being clamped i... | 02/14/2012 |
| 7950286 | Multi-range pressure sensor apparatus and method utilizing a single sense die and multiple signal paths A multi-range pressure sensor apparatus and method that provide multiple signal paths for detecting a broad range of pressures with a high accuracy. A pressure transducer can be configured to include the use of a pressure sense die with piezoresistive elements integ... | 05/31/2011 |
| 7895898 | Negative pressure gauge with a multi-stage positioning means A negative pressure gauge includes a body and a multi-stage positioning means. The body is provided with an airflow passage. The multi-stage positioning means includes a rotary piece and a cover plate. The rotary piece is pivotally connected to the body and is provi... | 03/01/2011 |
| 7685882 | Heating and air conditioning service gauge A pressure gauge for determining refrigerant pressure and the saturated vapor equivalent temperature for a refrigerant in an HVAC system. The pressure gauge employs a bourdon tube with at least one attached strain gauge to sense the refrigerant pressure and produce ... | 03/30/2010 |
| 7536916 | Pressure sensor The pressure sensor of the type having a pressure transmitting member transmitting a pressure received by a pressure-receiving diaphragm to a sensor chip is provided with a heat radiating member. This heat radiating member substantially suppresses the heat transferr... | 05/26/2009 |
| 7526963 | Pressure sensor having a pressure detecting element and a circuit board on opposite sides of a housing A pressure sensor includes a pressure detecting element for detecting a pressure, a circuit board having an electrical circuit to be connected to the pressure detecting element, and a housing having a housing member and a cover. The housing member partitions at leas... | 05/05/2009 |
| 7484417 | Pressure sensor and manufacturing method of the same A pressure sensor includes: a main body case including a housing (1) and a joint (2); an electronic circuit (3) housed inside the main body case to convert detected pressure into electrical signals to send out; a connecting metal piece (5... | 02/03/2009 |
| 7441460 | Vacuum regulator with two gauges A vacuum regulator includes two gauges, such as an electronic gauge and a mechanical gauge, each adapted to take a measurement associated with a vacuum. A digital display is associated with the electronic gauge, and an analog display is associated with the mechanica... | 10/28/2008 |
| 7437941 | Heating and air conditioning service gauge A pressure gauge for determining refrigerant pressure and refrigerant saturated vapor equivalent temperature for a refrigerant in an HVAC system. ... | 10/21/2008 |
| 7434472 | Differential pressure transducer configurations including displacement sensor The present invention pertains to differential pressure transducers. In an embodiment of the invention, a differential pressure transducer includes a transducer housing, a diaphragm, a bellows, and a sensing assembly. The transducer housing, diaphragm, and bellows a... | 10/14/2008 |
| 7430919 | Capacitive pressure sensor with reference chamber A capacitive pressure sensor includes a substrate assembly having a conductive layer. A conductive membrane is mounted to the substrate assembly so that a sealed reference chamber is defined by the conductive membrane and the substrate assembly. A cap is arranged on... | 10/07/2008 |
| 7418871 | Method for detecting a pressure of a medium and pressure measuring device A pressure measuring device for detecting a pressure to be measured of a medium, having a pressure housing; a converter situated in the pressure housing for converting a mechanical force produced by the pressure to be measured into an electrical signal; an output un... | 09/02/2008 |
| 7412895 | Semiconductor pressure sensor and die for molding a semiconductor pressure sensor A semiconductor pressure sensor is provided with a semiconductor pressure sensor part that converts a pressure to an electrical signal, a sensor module in which said semiconductor pressure sensor part and a terminal of which part is extended to the outside are inser... | 08/19/2008 |
| 7412896 | Filter change indicator A fluid system pressure indicator is adapted for use in fluid systems having a filter element. The fluid system force indicator includes a housing partitioned to be exposed to the fluid system to provide transmission of a mechanical force between these partitioned e... | 08/19/2008 |
| 7412894 | Pressure sensing device incorporating pressure sensing chip in resin case A pressure sensor device includes a pressure sensor chip containing a diaphragm, piezo-resistors, an amplifying circuit and various kinds of adjusting circuits, and a base member to which the sensor chip is joined, with the diaphragm facing a through hole of the bas... | 08/19/2008 |
| 7409866 | Signal transmission system A single wire interface for a transducer transmits the transducer output as a frequency modulated signal over one single wire during one interval. During a second interval a reference signal is transmitted as a frequency modulated signal. Both the transducer output ... | 08/12/2008 |
| 7401522 | Pressure sensor using compressible sensor body A pressure sensor including a deformable sensor body formed of a compressible material. A deformation sensor is embedded in the deformable sensor body and has an electrical property which changes in response to deformation of the deformable sensor body. Electrical c... | 07/22/2008 |
| 7401525 | Micro-machined pressure sensor with polymer diaphragm A piezoresistive pressure and/or strain sensor micro-machined primarily from plastic and/or glass. In one illustrative embodiment, the piezoresistive pressure sensor is formed on a polymer substrate. A first selectively implanted region is provided in the polymer su... | 07/22/2008 |
| 7383735 | Pressure transducer package for a manifold A package designed for monitoring fluid pressure in a manifold includes one or more pressure transducers and a microprocessor incorporated into a package to form a single, modular fluid pressure sensing device. The transducers may be arranged on one or more substrat... | 06/10/2008 |
| 7384004 | Pressure gauge A retrofittable pressure gauge for a spray gun includes a pressure sensor, located in a pressure chamber, a power source and a display unit, all enclosed within a case, a passageway providing fluid communication between the pressure chamber and a pressurised interio... | 06/10/2008 |
| 7380460 | Dual wafer pressure sensor A pressure sensor (30) for sensing a fluid pressure in harsh environments such as the air pressure in a tire. The sensor has a dual wafer construction with a first wafer substrate (32) that has a cavity extending from its front side to the opposing bac... | 06/03/2008 |
| 7377176 | Nano-particle modified fill fluid for pressure transmitters A pressure transmitter for measuring a pressure of a process fluid includes a pressure sensor, a hydraulic relay system and a pressure sensor fill fluid. The pressure sensor senses the pressure of the process fluid, and the hydraulic relay system provides a communic... | 05/27/2008 |
| 7373831 | High temperature pressure transmitter assembly A pressure transmitter assembly for measuring a pressure of a process fluid includes an isolation diaphragm assembly configured to couple to a process fluid. A pressure sensor is coupled to the isolation diaphragm assembly and is configured to sense a pressure. An i... | 05/20/2008 |
| 7370536 | Pressure sensor device and pressure sensor cell thereof A pressure sensor device includes a pressure sensor cell that includes a sensor chip having a diaphragm with piezo-resistors, an amplifying circuit, and various adjusting circuits, and a base member to which the sensor chip is joined, with the diaphragm facing a thr... | 05/13/2008 |
| 7367235 | Thermal expansion compensated pressure sensor A pressure sensor (30) for environments with wide ranging temperatures such as vehicle tires. The sensor has a conductive sensor membrane (53) exposed to the fluid pressure to be sensed, and a similarly conductive reference membrane subject to a predet... | 05/06/2008 |
| 7363820 | Ultra high temperature hermetically protected wirebonded piezoresistive transducer An ultra high temperature hermetically protected transducer includes a sensor chip having an active area upon which is deposited piezoresistive sensing elements. The elements are located on the top surface of the silicon wafer chip and have leads and terminals exten... | 04/29/2008 |
| 7363819 | High-pressure sensor housing which is simplified by means of a connection element (also emc) A device for measuring pressure, in particular for measuring high pressure, is provided, having a pressure sensor situated in a sensor housing, the sensor housing having a first sensor housing part provided with a pressure connecting piece and a second sensor housin... | 04/29/2008 |
| 7360438 | Advanced thick film load cell A load cell apparatus and method for forming the same. A load cell apparatus is configured to include a load cell housing and a modular strain gage element that is modularly assembled into the load cell housing. The load cell housing and the modular strain gage elem... | 04/22/2008 |
| 7357034 | 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 ... | 04/15/2008 |
| 7353711 | Capacitive sensor A capacitive sensor including a housing having a hermetically sealed cavity, a plate in the cavity, a diaphragm forming a part of the cavity and spaced from the plate, a conductive layer on the first diaphragm, and a second conductive layer on the plate, the first a... | 04/08/2008 |
| 7353710 | Pressure sensor device with surface acoustic wave elements Thickness of a pressure-detecting piezoelectric substrate (2) that is thinner than that of a supporting piezoelectric substrate (3) and that has a surface acoustic wave element for pressure detection (7a) on its lower surface is mounted o... | 04/08/2008 |
| 7352287 | Pneumatic controller A pneumatic controller for controlling a device. ... | 04/01/2008 |
| 7350417 | Pressure sensor with conductive laminate membrane A pressure sensor (30) for sensing a fluid pressure in harsh environments such as the air pressure in a tire, by using a chamber (58) partially defined by a flexible membrane (50), the flexible membrane (50) is a laminate having at least ... | 04/01/2008 |
| 7343807 | Pressure sensor in the form of a film The invention relates to a pressure sensor in the form of a film, comprising a first carrier film and a second carrier film which are arranged at a certain distance from each other by means of a spacer. The distance holder comprises at least one recess which defines... | 03/18/2008 |
| 7345956 | Portable electronic device with analog display rate of climb indicator A portable electronic device (1) is described, in particular of bracelet watch type, comprising at least first and second display members (8 and 9), means (23, 31) for making measurements of a physical magnitude related to the value of th... | 03/18/2008 |
| 7334480 | Dual membrane sensor for temperature compensated pressure sensing A pressure sensor that has a sensor membrane for exposure to fluid at a pressure to be sensed, and a compensation membrane sealed from the fluid at the pressure to be sensed. Associated circuitry connected to the sensor membrane converts deflection into an output si... | 02/26/2008 |
| 7331241 | Low cost pressure sensor for measuring oxygen pressure A low cost sensor assembly for measuring oxygen pressures contains a transistor header. The transistor header has terminal pins extending therefrom. The transistor header co-acts with a first circuit insulator board. The first circuit board has deposited thereon fou... | 02/19/2008 |
| 7325457 | Sensor and sensor module A sensor and sensor module with small power consumption and high reliability are disclosed. The sensor includes a capacitor having a capacitance varying with a physical quantity, a capacitance-voltage conversion circuit for converting the capacitance of the capacito... | 02/05/2008 |
| 7323858 | Method for measuring pressure A method used to measure pressure in an area which is closed by an solenoid valve (106) performs the following steps: applying voltage to the solenoid valve (106), determining the peak of a curve of the flowing current based on voltage and determining ... | 01/29/2008 |
| 7320250 | Pressure sensing element and sensor incorporating the same A pressure sensor includes a sensor chip in which a diaphragm is provided, and a case to which the sensor chip is directly mounted by an adhesive. A groove that surrounds the diaphragm is provided on the rear surface of the sensor chip between the bonded part and th... | 01/22/2008 |
