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US Patent 9132736 Methods, systems, and vehicles with electromechanical variable transmission

Patent 9132736 was granted and assigned to Oshkosh Defense on September, 2015 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Applicant
Oshkosh Corporation
Oshkosh Corporation
1
Current Assignee
Oshkosh Defense
Oshkosh Defense
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
91327361
Date of Patent
September 15, 2015
1
Patent Application Number
141552241
Date Filed
January 14, 2014
1
Patent Citations Received
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US Patent 12128868 Hybrid fire fighting vehicle
2
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US Patent 12084276 Control system for a refuse vehicle
3
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US Patent 12090856 Electrified military vehicle
4
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US Patent 12130122 Military vehicle with battery armor
5
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US Patent 11701959 Inline electromechanical variable transmission system
6
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US Patent 11702283 Electric power take-off for a refuse vehicle
7
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US Patent 11752824 High pressure gas spring controls for improved vehicle leveling
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US Patent 11851273 System and method for electronic power take-off controls
8
...
Patent Primary Examiner
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Jacob S Scott
1
Patent abstract

One embodiment provides a method of operating a first motor/generator and a second motor/generator in a vehicle drive. The first motor/generator is electrically coupled to the second motor/generator by a DC bus. The vehicle drive is configured to propel a vehicle. The method includes operating the first motor/generator as a generator, providing electrical power to the DC bus. The first motor/generator provides the electrical power required by the second motor/generator and the electrical power required to offset losses. The method also includes operating the second motor/generator as a motor, consuming electrical power from the DC bus. The sum of the electrical power provided, the electrical power losses, and the electrical power consumed is zero. The first motor/generator provides electrical power and the second motor/generator consumes electrical power without providing electrical power to an energy storage device or consuming electrical power from an energy storage device.

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