Quote:
Originally Posted by Old Mechanic
Toyota lost a lawsuit for Patent infringment to an American company in Florida, for their hybrid synergy drive, and they were court ordered to pay a royalty on each hybrid the ysold in the USA. Not sure about the rest of the world or whether they won the case on appeal after that initial ruling.
regards
Mech
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According to the (disputed)
Wikipedia article about the HSD Toyota (and Ford) have to pay a license fee to the Paice company. The Antonov company also sued Toyota, but lost.
Nice snippet among the patent issue explanation:
Quote:
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The electrical path is only about 70% efficient, thus decreasing its power flow while increasing the overall performance of the transmission.
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That is 70% efficiency between the closest physical gear ratio and the one simulated, if I interpret this correctly.
So if the system reduces the physical gear ratio by 20%, the gearbox would be 80% + (70% * 20%) = 94% effective (assuming the planetary gearing is near 100% effective)
A conventional CVT will lose at least 10% in any gear ratio.
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