1
Christian T Kemper, Robert L Osborne, James C Bellows: Diagnostic system and method. Westinghouse Electric, D Schron, May 14, 1985: US04517468 (171 worldwide citation)

A diagnostic system wherein a central diagnostic center receives sensor data relative to the operating condition of a plurality of remote plants. Each plant records just certain sensor signals and transmits them at respective prescheduled transmisssion times. If certain activation limits are exceede ...


2
Robert L Osborne, Paul H Haley, Stephen J Jennings: Method and apparatus for the automatic diagnosis of system malfunctions. Westinghouse Electric, D Schron, August 30, 1983: US04402054 (67 worldwide citation)

Diagnostic apparatus for monitoring a system subject to malfunctions. Estimates are obtained relating normal system operation to operating variables. Estimates are additionally obtained relating specific malfunctions to specific variables. The variables are combined in accordance with predetermined ...


3
James C Bellows, Robert L Osborne, Avelino J Gonzalez, Christian T Kemper: Automated system to prioritize repair of plant equipment. Westinghouse Electric, July 21, 1992: US05132920 (52 worldwide citation)

The system of the present invention uses the importance of a piece of malfunctioning equipment, the severity and the confidence level in a diagnosis to determine repair priority of the equipment by obtaining the product (46) of the confidence level (CF), importance (IMP) and severity (SEV). The thes ...


4
Robert L Osborne: Apparatus and method for monitoring steam turbine shroud clearance. Westinghouse Electric, K Bach, October 24, 1989: US04876505 (25 worldwide citation)

A turbine blade shroud clearance monitoring system is comprised of a plurality of sensors for measuring the clearance between the stationary portion of the turbine and the shroud segments in each turbine blade row. The measurements are averaged by a microprocessor to produce an average clearance val ...


5
Robert L Osborne: Shrouded turbine blade vibration monitor. Westinghouse Electric, B R Nath, January 30, 1990: US04896537 (25 worldwide citation)

A shrouded turbine blade vibration monitoring system is comprised of a plurality of sensors for sensing a profile of a turbine blade row. A microprocessor compares the sensed profile to an expected profile of the turbine blade row to detect motion of the turbine blades due to vibration. The micropro ...


6
Robert L Osborne, Karl E Harper: Expert system tester. Westinghouse Electric, November 17, 1992: US05164912 (20 worldwide citation)

The present invention is an expert system test system which has the capability of exercising all combinations of data input types using specialized data test sets. The specialized data test sets include a set of sensor values for each level of an operating system. All levels of diagnosis can be test ...


7
Robert L Osborne: Anticipative turbine control. Westinghouse Electric, E F Possessky, January 1, 1980: US04181840 (15 worldwide citation)

Present speed and present steam temperature are utilized in accordance with a mathematical model to evaluate present steam to turbine heat transfer and turbine heat propagation quantities, and present turbine rotor and casing surface and volume average temperatures. The model is corrected for inaccu ...


8
Robert L Osborne: Automated ultrasonic solution viscometer. Mortenson & Uebler, April 10, 1984: US04441358 (13 worldwide citation)

Apparatus and method are provided to automatically measure the viscosity of a solution. The apparatus employs at least two sets of piezo electric ultrasonic accoustical transducers mounted along the length of a modified viscosity tube. As the meniscus of the liquid being measured passes the first tr ...


9
Robert L Osborne: Method and apparatus for testing the movability of valve plugs. Westinghouse Electric Corporation, J W Keen, November 29, 1977: US04059960 (13 worldwide citation)

A method and apparatus for testing the movability of a valve plug. The invention provides for movement of the valve plug from a first to a second position, from the second to a third position in an opposite direction, and again in the first direction to the first position. Indicators are provided to ...


10
James W Wonn, Robert L Osborne: System for monitoring metal-to-metal contact in rotating machinery. Westinghouse Electric, D Schron, February 26, 1985: US04502046 (12 worldwide citation)

A rub between the rotating and stationary parts of a turbine is detected by connecting the rotor to electrical ground and introducing electrical energy into the rotor-ground circuit. A rub between the rotating stationary part modifies the currents in the grounding circuit to an extent that the condi ...