CONTINUOUSLY VARIABLE TRANSMISSIONS, SYNCHRONOUS SHIFTING, TWIN COUNTERSHAFTS AND METHODS FOR CONTROL OF SAME
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United States of America Patent
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Issued Date -
Mar 7, 2024
app pub date -
Apr 11, 2023
filing date -
Nov 6, 2018
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Abstract
Systems and methods for controlling transmissions having CVTs are disclosed with multiple modes and gearing arrangements for range enhancements, where embodiments include synchronous shifting to allow the transmission to achieve a continuous range of transmission ratios, while minimizing “empty” cycling of the CVT during mode shifts. Embodiments provide for wide ratio range and performance and efficiency flexibility, while maximizing CVT usage through synchronous shifting.
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