US Patent 8234956 Piston actuated split input transmission synchronizer

Patent 8234956 was granted and assigned to Caterpillar Inc. on August, 2012 by the United States Patent and Trademark Office.

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Patent Citations Received

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US Patent 11913528 Multi-mode continuously variable transmission assembly with drop set arrangement

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Patent abstract

A piston actuated synchronizer system for a split torque transmission where the piston is attached directly to the synchronizer shift collar on the synchronizer centerline to provide the required actuation in a small volume of space and resolve fork and rod deflection issues seen on other synchronizers that use such a system. The piston is pressure applied and spring released. This design also uses a displacement sensor to monitor synchronizer engagement.

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Patent Inventor Names

Glen P. Calvert0

John M. Seipold0

Kraig M. Love0

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