1
Sanford Reich: Pump diagnostic system. Shiley Infusaid, Sughrue Mion Zinn Macpeak & Seas, April 9, 1991: US05006997 (99 worldwide citation)

A method and apparatus to evaluate the performance of an implanted medication delivery device such as pumps and ports is described. In the case of a pump, the system measures ambient pressure and obtains two pressure measurements from the implanted device. One of these measurements is device reservo ...


2
Howard D Haynes, Daryl F Cox, Donald E Welch: Electric fuel pump condition monitor system using electrical signature analysis. UT Battelle, Kirk A Wilson, September 13, 2005: US06941785 (57 worldwide citation)

A pump diagnostic system and method comprising current sensing probes clamped on electrical motor leads of a pump for sensing only current signals on incoming motor power, a signal processor having a means for buffering and anti-aliasing current signals into a pump motor current signal, and a comput ...


3
William L Aldrich III, Steven A Tarnowsky, Michael E Polom, Roger Joseph Rademacher, Donald D Crites, Keith D Van Maanen, Brian M Porto, Michael Chernyak: Auxiliary pump diagnostic systems and methods. February 14, 2012: US08116932 (2 worldwide citation)

A system includes an auxiliary pump that provides pressurized fluid to a transmission during an engine auto stop/start event. A mechanical pump provides pressurized fluid to a transmission during engine operation after the engine auto stop/start event. An auxiliary pump diagnostic system includes a ...


4
Howard D Haynes, Daryl F Cox, Donald E Welch: Electric fuel pump condition monitor system using electrical signature analysis. UT Battelle, Office of Intellectual Property, November 18, 2004: US20040230384-A1

A pump diagnostic system and method comprising current sensing probes clamped on electrical motor leads of a pump for sensing only current signals on incoming motor power, a signal processor having a means for buffering and anti-aliasing current signals into a pump motor current signal, and a comput ...


5
William L Aldrich III, Steven A Tarnowsky, Michael E Polom, Roger Joseph Rademacher, Donald D Crites, Keith D Van Maanen, Brian M Porto, Michael Chernyak: Auxiliary pump diagnostic systems and methods. Gm Global Technology Operations, Harness Dickey & Pierce, August 26, 2010: US20100217470-A1

An auxiliary pump diagnostic system includes a slip determination module and a fault determination module. The slip determination module determines slip of a torque converter based on an engine speed and a transmission input speed. The fault determination module diagnoses a fault in an auxiliary pum ...


6
Aldrich William L III, Tarnowsky Steven A, Polom Michael E, Rademacher Roger Joseph, Crites Donald D, Maanen Keith D Van, Porto Brian M, Chernyak Michael: Auxiliary pump diagnostic systems and methods. GM Global Tech Operations, dai yining liu hualian, December 8, 2010: CN201010125844

The invention relates to auxiliary pump diagnostic systems and methods. An auxiliary pump diagnostic system includes a slip determination module and a fault determination module. The slip determination module determines slip of a torque converter based on an engine speed and a transmission input spe ...


7
Cinpinski Kenneth J, Dibble Donovan L: Direct injected fuel pump diagnostic systems and methods. GM Global Tech Operations, fan xiaobin cao re, October 13, 2010: CN201010164423

The invention relates to a direct injected fuel pump diagnostic system and a method. The engine control system comprises a camshaft, a cam phaser module, a pressure sensor, and an engine control module. The camshaft is operably coupled to a crankshaft of an engine. Rotation of the camshaft operates ...