Patent
High reliability pressure sensor
Mike L. Babala,Marc Bolitho,Thomas Baron,Jeffery E. Shaya +3 more
- 07 Sep 2001
49
TL;DR: In this paper, a pair of pressure sensors are mounted upon a single pressure sensor diaphragm and compared, and if the difference between the signals exceeds a predetermined threshold, it is determined that a malfunction of the pressure sensor has ocurred.
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Abstract: The reliability of a pressure sensor is improved either by utilization of redundant composants. A pair of pressure sensors are mounted upon a single pressure sensor diaphragm. The pressure signals generated by the pressure sensors are compared and, if the difference between the signals exceeds a predetermined threshold, it is determined that a malfunction of the pressure sensor has ocurred. Alternately, additional diagnostic testing may be included to detect a malfunctioning sensor.
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Citations
Patent
Volatile material diffuser and method of preventing undesirable mixing of volatile materials
Jose Porchia,Pedro Q. Vieira,Martin S. Payne +2 more
- 18 Dec 2008
TL;DR: In this paper, a volatile material diffuser includes a housing and first and second containers holding volatile materials and having wicks associated with the volatile materials in contact with each wick.
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Patent
System for diagnosing delta pressure sensor operation
Yue Yun Wang,Peter Rauznitz,Martin T. Brooks +2 more
- 03 Nov 2003
TL;DR: In this article, a delta pressure sensor is used for diagnosing the failure of an internal combustion engine with a flow restriction mechanism, and a control computer compares the delta pressure signal to a modeled delta pressure value modeled as a function of at least engine speed and one of engine load and engine output torque percentage.
33
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Differential pressure sensor impulse line monitor
Douglas W. Wilda
- 10 Nov 2003
TL;DR: In this paper, a system for monitoring the condition of impulse lines to a differential pressure sensor was proposed, where lines may be connected at two locations of a pressure source, such as a pipe having a fluid flow.
26
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Periodic rate sensor self test
Kenneth A. Doll,Arnold H. Commerce Township Spieker +1 more
- 30 Nov 2006
TL;DR: In this paper, a periodic test signal (44) is injected into a sensor and the sensor output (46) is compared to a threshold to determine whether the sensor is functioning properly.
26
Patent
Redundancy device for angle position sensors of control plane of steering engine and control method for device
Hui Lin,Dongqi Ma,Dai Zhiyong,Wu Chun,Qi Rong +4 more
- 03 Oct 2012
TL;DR: In this paper, a redundancy device for angle position sensors of a control plane of a steering engine and a control method for the device is presented, where the redundancy signal is cut off when one redundancy angle position sensor fails, and the value of the other sensor is taken as the final position closed loop feedback data.
15
References
Patent
Brake control apparatus for a vehicle
Shuichi Yonemura,Yoichi Abe,Mamoru Sawada +2 more
- 23 Dec 1996
TL;DR: In this paper, a brake control apparatus for a vehicle employs a pressure-amplifying device (10) which reduces a quantity of brake fluid generating a first brake-fluid pressure in a first conduit (A1) connected to a master cylinder (3), and increases second brakefluid force in a second conduit (2), applied to a wheel cylinder (4,5) simultaneously with the reduction in brake fluid quantity in the first conduit.
105
Patent
Media compatible pressure transducer
Anthony D. Kurtz,Joseph R. Mallon +1 more
- 13 Aug 1979
TL;DR: In this paper, an absolute pressure transducer was proposed for use in various deleterious mediums. But the transducing was performed with a single wafer containing a gage sensor configuration on one portion and an absolute sensor configuration in another adjacent portion.
104
Patent
Method and system for controlling well bore pressure
William L. Koederitz
- 27 Jan 2002
TL;DR: In this article, a programmable controller 100 is included to control execution of a circulation/kill procedure whereby a mud pump 90 and/or a well bore choke 70 may be regulated by the controller.
83
Patent
Arrangement for controlling the drive power of a motor vehicle
Goelzer Thomas Dr,Martin Streib +1 more
- 08 Oct 1992
TL;DR: In this paper, the authors present an arrangement for controlling the drive power of a motor vehicle with at least two control units for controlling at least 2 changing variables for influencing the motor vehicle's drive power.
57
Patent
Structure for mounting a cluster of pressure sensors upon an electro-hydraulic brake system control unit
Paul M. Schliebe,Charles Darnell,Edward R. Hornback,Clark E. Lowman +3 more
- 24 Nov 1999
TL;DR: In this article, a pluratity of pressure sensors (59) are carried in housing (57) mounted upon a hydraulic control valve (52) for an electro-hydraulic brake system.
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