Patents by Inventor Jeffery Fischer
Jeffery Fischer 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: 11703020Abstract: A priming pump may include a housing; an inlet passageway inside of the housing; an outlet passageway inside of the housing; a divider, inside of the housing, separating the inlet passageway and the outlet passageway; a connecting passageway through the divider in fluid communication with the inlet passageway and the outlet passageway; a valve, disposed in the connecting passageway, configured for one-way fluid flow from the inlet passageway to the outlet passageway; a rotary pump, inside of the housing, having an inlet in fluid communication with the inlet passageway and an outlet in fluid communication with the outlet passageway; and a shaft connected to the rotary pump and extending through the housing, the shaft configured for rotation by an external driving mechanism.Type: GrantFiled: February 4, 2022Date of Patent: July 18, 2023Assignee: Caterpillar Inc.Inventors: Jeffery Fischer, Neil Edward Johnston, Brenton William Bush, Ye Tian, Quinton Burcar
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Publication number: 20220243690Abstract: A priming pump may include a housing; an inlet passageway inside of the housing; an outlet passageway inside of the housing; a divider, inside of the housing, separating the inlet passageway and the outlet passageway; a connecting passageway through the divider in fluid communication with the inlet passageway and the outlet passageway; a valve, disposed in the connecting passageway, configured for one-way fluid flow from the inlet passageway to the outlet passageway; a rotary pump, inside of the housing, having an inlet in fluid communication with the inlet passageway and an outlet in fluid communication with the outlet passageway; and a shaft connected to the rotary pump and extending through the housing, the shaft configured for rotation by an external driving mechanism.Type: ApplicationFiled: February 4, 2022Publication date: August 4, 2022Applicant: Caterpillar Inc.Inventors: Jeffery FISCHER, Neil Edward JOHNSTON, Brenton William BUSH, Ye TIAN, Quinton BURCAR
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Patent number: 11274641Abstract: A priming pump may include a housing; an inlet passageway inside of the housing; an outlet passageway inside of the housing; a divider, inside of the housing, separating the inlet passageway and the outlet passageway; a connecting passageway through the divider in fluid communication with the inlet passageway and the outlet passageway; a valve, disposed in the connecting passageway, configured for one-way fluid flow from the inlet passageway to the outlet passageway; a rotary pump, inside of the housing, having an inlet in fluid communication with the inlet passageway and an outlet in fluid communication with the outlet passageway; and a shaft connected to the rotary pump and extending through the housing, the shaft configured for rotation by an external driving mechanism.Type: GrantFiled: February 2, 2021Date of Patent: March 15, 2022Assignee: Caterpillar Inc.Inventors: Jeffery Fischer, Neil Edward Johnston, Brenton William Bush, Ye Tian, Quinton Burcar
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Patent number: 11008993Abstract: A power generation system is disclosed. The power generation system may include a first engine and a second engine. The power generation system may include an alternating current (AC) generator coupled to the first engine and a solid state power supply connected to the AC generator via a first circuit. The power generation system may include a first energy storage device associated with the first engine, connected to the solid state power supply via a second circuit, and a first engine control module (ECM) associated with the first engine, connected to the solid state power supply via the second circuit. The power generation system may include a second energy storage device associated with the second engine, connected to the solid state power supply via the second circuit, and a second ECM associated with the second engine, connected to the solid state power supply via the second circuit.Type: GrantFiled: September 21, 2018Date of Patent: May 18, 2021Assignee: Caterpillar Inc.Inventors: Jay Roplekar, Chris Meischner, Jeffery Fischer, Thomas Smith
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Patent number: 10879693Abstract: A Z source network includes positive and negative input terminals and a first snubber circuit connected across the positive and negative input terminals. The first snubber circuit is configured to suppress voltage transients across the positive and negative input terminals. The Z source network also includes positive and negative output terminals and a second snubber circuit connected across the positive and negative output terminals. The second snubber circuit is configured to suppress voltage transients across the positive and negative output terminals.Type: GrantFiled: February 14, 2019Date of Patent: December 29, 2020Assignee: DRS NAVAL POWER SYSTEMS, INC.Inventors: Christopher Harper, Jeffery Fischer, Ian Wallace
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Publication number: 20200095970Abstract: A power generation system is disclosed. The power generation system may include a first engine and a second engine. The power generation system may include an alternating current (AC) generator coupled to the first engine and a solid state power supply connected to the AC generator via a first circuit. The power generation system may include a first energy storage device associated with the first engine, connected to the solid state power supply via a second circuit, and a first engine control module (ECM) associated with the first engine, connected to the solid state power supply via the second circuit. The power generation system may include a second energy storage device associated with the second engine, connected to the solid state power supply via the second circuit, and a second ECM associated with the second engine, connected to the solid state power supply via the second circuit.Type: ApplicationFiled: September 21, 2018Publication date: March 26, 2020Applicant: Caterpillar Inc.Inventors: Jay ROPLEKAR, Chris MEISCHNER, Jeffery FISCHER, Thomas SMITH
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Publication number: 20190181636Abstract: A Z source network includes positive and negative input terminals and a first snubber circuit connected across the positive and negative input terminals. The first snubber circuit is configured to suppress voltage transients across the positive and negative input terminals. The Z source network also includes positive and negative output terminals and a second snubber circuit connected across the positive and negative output terminals. The second snubber circuit is configured to suppress voltage transients across the positive and negative output terminals.Type: ApplicationFiled: February 14, 2019Publication date: June 13, 2019Inventors: Christopher Harper, Jeffery Fischer, Ian Wallace
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Patent number: 10256626Abstract: An electrical network configured to suppress voltage transients includes a capacitor and an electrical impedance in parallel with a diode. The capacitor is in series with the parallel connected diode and electrical impedance. The electrical network is configured to suppress voltage transients occurring across the series combination of the capacitor and the parallel connected diode and electrical impedance.Type: GrantFiled: July 28, 2016Date of Patent: April 9, 2019Assignee: DRS Power & Control Technologies, Inc.Inventors: Christopher Harper, Jeffery Fischer, Ian Wallace
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Publication number: 20160336743Abstract: An electrical network configured to suppress voltage transients includes a capacitor and an electrical impedance in parallel with a diode. The capacitor is in series with the parallel connected diode and electrical impedance. The electrical network is configured to suppress voltage transients occurring across the series combination of the capacitor and the parallel connected diode and electrical impedance.Type: ApplicationFiled: July 28, 2016Publication date: November 17, 2016Applicant: DRS Power & Control Technologies, Inc.Inventors: Christopher Harper, Jeffery Fischer, Ian Wallace
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Patent number: 9431819Abstract: An electrical network configured to suppress voltage transients is disclosed. The network includes a capacitor and an electrical impedance in parallel with a diode. The capacitor is in series with the parallel connected diode and electrical impedance, and the electrical network is configured to suppress voltage transients occurring across the series combination of the capacitor and the parallel connected diode and electrical impedance.Type: GrantFiled: January 31, 2014Date of Patent: August 30, 2016Assignee: DRS Power & Control Technologies, Inc.Inventors: Christopher Harper, Jeffery Fischer, Ian Wallace
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Publication number: 20150222114Abstract: An electrical network configured to suppress voltage transients is disclosed. The network includes a capacitor and an electrical impedance in parallel with a diode. The capacitor is in series with the parallel connected diode and electrical impedance, and the electrical network is configured to suppress voltage transients occurring across the series combination of the capacitor and the parallel connected diode and electrical impedance.Type: ApplicationFiled: January 31, 2014Publication date: August 6, 2015Applicant: DRS Power & Control Technologies, Inc.Inventors: Christopher Harper, Jeffery Fischer, Ian Wallace
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Patent number: D297323Type: GrantFiled: September 23, 1985Date of Patent: August 23, 1988Inventor: Jeffery A. Fischer