Infinitely variable transmission hydraulic hybrid for on and off highway vehicles
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United States of America Patent
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Sep 14, 2010
Grant Date -
Jun 8, 2006
app pub date -
Nov 22, 2005
filing date -
Nov 22, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An infinitely variable transmission for use with an internal combustion engine is provided. Specifically, a prime mover is provided for driving a first hydraulic machine. The first hydraulic machine is arranged to drive a second hydraulic machine via a fluid line that connects the first and second hydraulic machines. The second hydraulic machine is operatively connected with an output element, such as a wheel to drive a vehicle. Each of the first and second hydraulic machines have electronically controllable valves for varying the speed and/or the torque of the first and second hydraulic machines thereby providing an infinitely variable transmission.
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