Patents by Inventor Joseph Van De Weert
Joseph Van De Weert has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8656784Abstract: An enclosed, flat covered leadless pressure sensor assembly suitable for extreme environment operation including dynamic, ultra-high temperature heating, light and heat flash, and high-speed, flow-related environments. The pressure sensor assembly comprises a substrate comprising a micromachined sensing diaphragm defined on a first side. A cover is attached to the first side of the substrate such that it covers at least the sensing diaphragm. The top surface of the cover is substantially flat, thereby promoting uniformity in the distribution of stress and thermal effects across a top surface of the cover.Type: GrantFiled: August 19, 2011Date of Patent: February 25, 2014Assignee: Kulite Semiconductor Products, Inc.Inventors: Alexander Ned, Leo Geras, Joseph Van de Weert
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Publication number: 20110239783Abstract: A two or three axis load cell capable of measuring axial and one or more shear forces is disclosed. The load cell can comprise a force collector connected by one or more connecting rods to one or more cross pieces. The load cell can comprise a single cross piece and can measure an axial force applied to the load cell and at least one component of shear force applied to the load cell. In other embodiments, the load cell can comprise two cross pieces, disposed at disparate angles, to enable the measurement of an axial force and both components of shear force applied to the force collector. The cross pieces are equipped with a means, such as piezoresistive elements to measure their deflection due to the applied forces on the force collector. The connecting rods can be fitted with additional piezoresistors to measure the axial forces on the force collector.Type: ApplicationFiled: March 31, 2010Publication date: October 6, 2011Applicant: Kulite Semiconductor Products, Inc.Inventors: Anthony D. Kurtz, Joseph Van De Weert, Nora Kurtz
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Publication number: 20100310207Abstract: It is an objective of the present invention to provide a highly sensitive optical pressure sensor that uses a Mach-Zehnder Interferometer to measure pressure. The pressure sensor comprises a deflectable diaphragm including a substantially central boss and channel and an optical waveguide having a first arm and a second arm, wherein the first arm is substantially aligned with an edge of the boss and the second arm is substantially aligned with an edge of the channel, and further wherein the first and second arms contain a periodic array of etched holes to improve the overall sensitivity of the pressure sensor. The pressure sensor further comprises a light source coupled to the optical waveguide for introducing light to the waveguide and a light detector coupled to the waveguide for detecting changes in the intensity of light. The change in light intensity is then correlated to an applied pressure.Type: ApplicationFiled: May 6, 2010Publication date: December 9, 2010Applicant: Kulite Semiconductor Products, Inc.Inventors: Anthony D. Kurtz, Nora Kurtz, Boaz Kochman, Joseph Van De Weert
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Patent number: 6688182Abstract: A differential and absolute transducer are secured to a Pyrex glass header by means of a glass metal frit or other suitable interface. One of the sensors measures absolute pressure and the sensor is a sealed cavity, while the other sensor is designed to measure differential pressure and the sensor is an aperture which permits the pressure media to reach both sides of the sensor. The header itself has a through hole connected to a tube over which the differential sensor is affixed. The Pyrex glass is chosen to match the coefficient expansion of the sensors. The header in turn is attached to an adapter that enables static pressure to be applied to both sensors simultaneously and total pressure applied to the differential sensor, thus permitting the measurement of the difference between the total pressure and the static pressure.Type: GrantFiled: August 7, 2002Date of Patent: February 10, 2004Assignee: Kulite Semiconductor Products, Inc.Inventors: Anthony D. Kurtz, Joseph Van De Weert
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Publication number: 20030140704Abstract: A differential and absolute transducer are secured to a Pyrex glass header by means of a glass metal frit or other suitable interface. One of the sensors measures absolute pressure and the sensor is a sealed cavity, while the other sensor is designed to measure differential pressure and the sensor is an aperture which permits the pressure media to reach both sides of the sensor. The header itself has a through hole connected to a tube over which the differential sensor is affixed. The Pyrex glass is chosen to match the coefficient expansion of the sensors. The header in turn is attached to an adapter that enables static pressure to be applied to both sensors simultaneously and total pressure applied to the differential sensor, thus permitting the measurement of the difference between the total pressure and the static pressure.Type: ApplicationFiled: August 7, 2002Publication date: July 31, 2003Inventors: Anthony D. Kurtz, Joseph Van De Weert
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Patent number: 6543293Abstract: A differential and absolute transducer are secured to a Pyrex glass header by means of a glass metal frit or other suitable interface. One of the sensors measures absolute pressure and the sensor is a sealed cavity, while the other sensor is designed to measure differential pressure and the sensor is an aperture which permits the pressure media to reach both sides of the sensor. The header itself has a through hole connected to a tube over which the differential sensor is affixed. The Pyrex glass is chosen to match the coefficient expansion of the sensors. The header in turn is attached to the tubular member provided with a fitting such that static pressure can be applied to both sensors simultaneously. At the other end of the tubular member, there is provided another fitting attached to the tube in the header through which the total pressure can be applied to the differential sensor, thus permitting the measurement of the difference between the total pressure and the static pressure.Type: GrantFiled: January 31, 2002Date of Patent: April 8, 2003Assignee: Kulite Semiconductor Products, Inc.Inventors: Anthony D. Kurtz, Joseph Van De Weert
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Patent number: 6523415Abstract: A pressure transducer including: a silicon substrate including: a first surface adapted for receiving a pressure applied thereto, an oppositely disposed second surface, and a flexing portion adapted to deflect when pressure is applied to the first surface; at least a first sensor formed on the second surface and adjacent to a center of the flexing portion, and adapted to measure the pressure applied to the first surface; at least a second gauge sensor formed on the second surface and adjacent to a periphery of the flexing portion, and adapted to measure the pressure applied to the first surface; a glass substrate secured to the second surface of the silicon wafer.Type: GrantFiled: August 6, 2001Date of Patent: February 25, 2003Assignee: Kulite Semiconductor Products, Inc.Inventors: Anthony D. Kurtz, Andrew Bemis, Timothy Nunn, Joseph Van De Weert
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Publication number: 20020000127Abstract: A pressure transducer including: a silicon substrate including: a first surface adapted for receiving a pressure applied thereto, an oppositely disposed second surface, and a flexing portion adapted to deflect when pressure is applied to the first surface; at least a first sensor formed on the second surface and adjacent to a center of the flexing portion, and adapted to measure the pressure applied to the first surface; at least a second gauge sensor formed on the second surface and adjacent to a periphery of the flexing portion, and adapted to measure the pressure applied to the first surface; a glass substrate secured to the second surface of the silicon wafer.Type: ApplicationFiled: August 6, 2001Publication date: January 3, 2002Inventors: Anthony D. Kurtz, Andrew Bemis, Timothy Nunn, Joseph Van De Weert
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Patent number: 6272929Abstract: A pressure transducer including: a silicon substrate including: a first surface adapted for receiving a pressure applied thereto, an oppositely disposed second surface, and a flexing portion adapted to deflect when pressure is applied to the first surface; at least a first sensor formed on the second surface and adjacent to a center of the flexing portion, and adapted to measure the pressure applied to the first surface; at least a second gauge sensor formed on the second surface and adjacent to a periphery of the flexing portion, and adapted to measure the pressure applied to the first surface; a glass substrate secured to the second surface of the silicon wafer.Type: GrantFiled: February 4, 1999Date of Patent: August 14, 2001Assignee: Kulite Semiconductor ProductsInventors: Anthony D. Kurtz, Andrew Bemis, Timothy Nunn, Joseph Van De Weert