Prius Synergy Drive

Discussion in 'Gen 1 Prius Plug-in 2012-2015' started by CaliforniaBear, Sep 11, 2017.

  1. CaliforniaBear

    CaliforniaBear Clearwater Blue Metallic

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    Am I correct in that the only Toyota hybrid that uses the synergy drive is the Prius? If true (or approximately true), why?
     
  2. Travis Decker

    Travis Decker Active Member

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    Once they put a boost circuit in the inverter to increase voltage to the electric motors over battery voltage they called it Synergy Drive. It's the same system in Highlander or a Camry or any Toyota hybrid newer than a generation 1 Prius
     
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  3. CaliforniaBear

    CaliforniaBear Clearwater Blue Metallic

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  4. bisco

    bisco cookie crumbler

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    however, only the gen 4 prius has the latest hybrid synergy tech. hycam coming out now.
     
  5. QuantumFireball

    QuantumFireball Active Member

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    It's just marketing spin, all Toyota and Lexus hybrids are "series-parallel" or "power-split" hybrids with some variations. The 3rd gen Prius, Auris Hybrid (hatchback variant of the Corolla sold in some markets) and the Lexus CT200h all use the exact same powertrain, for example.

    Hybrid vehicle drivetrain - Wikipedia
     
  6. Prodigyplace

    Prodigyplace Senior Member

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    The Prius Prime has the latest one too, along with an additional one-way clutch for MG1.
     
  7. bisco

    bisco cookie crumbler

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    also gen 4.
     
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  8. Prodigyplace

    Prodigyplace Senior Member

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    Technically, it is the Gen 2 Plugin ? Bob calls Prime Gen 4.5
     
  9. bisco

    bisco cookie crumbler

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    i guess toyota would determine the technical name. not sure what terminology they use. it is their second plug in, with mostly gen 4 tech.
     
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  10. QuantumFireball

    QuantumFireball Active Member

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    Toyota's terminology:
    ZVW50 = current Prius (2015-)
    ZVW52 = current Prius PHV/Prime (2016-)
     
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  11. Prodigyplace

    Prodigyplace Senior Member

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    ZVW50 started at 2016 model year.
     
  12. QuantumFireball

    QuantumFireball Active Member

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    I'm not American, so I don't do "model years" ;)
     
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  13. Prodigyplace

    Prodigyplace Senior Member

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    Ok, they were not actually available until 2016.
     
  14. QuantumFireball

    QuantumFireball Active Member

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    December 2015 in Japan
     
  15. Prodigyplace

    Prodigyplace Senior Member

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    I missed that Japan got it in December 2015. Thanks for the correction.
     
  16. IMkenNY

    IMkenNY Im just being nosy

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    I believe ford uses Toyota synergy technology in the C-max and fusion hybrids
     
  17. Prodigyplace

    Prodigyplace Senior Member

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    They only licensed some of the technology IIRC. I believe they licensed Gen 3 I do not know if they licensed any Gen 4 technology.
    I believe Ford uses a different transmission design than Toyota.
     
  18. QuantumFireball

    QuantumFireball Active Member

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    The first generation Ford Fusion Hybrid (and a few other Fords, also the Chrysler Pacifica Hybrid) uses power-split transmissions produced by Aisin Seiki - who also make the hybrid transmissions for Toyota. Toyota own 30% of Aisin Seiki, but I doubt Ford actually dealt with Toyota as it's Aisin's technology. Ford supplied the ICE, batteries and everything else outside the transmission.

    More recent Ford hybrids use a transmission designed and built in-house - but a very similar setup with planetary gearset, two motor generators, etc.

    EDIT: It looks like Toyota held some of the patents, so they did apparently do some patent exchange deal when developing the Escape Hybrid.
     
  19. bisco

    bisco cookie crumbler

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    i knew toyota would have a way of avoiding the issue.:cool:
     
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