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Difference between revisions of "AFS Trinity"

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(Additional tech info)
(→‎References: 'They can go 40 miles for a dollar,' if cars get made)
 
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On Jan 2008 [http://www.afstrinity.com/ AFS Trinity] [http://www.afstrinity.com/press-release-1-13-08.html announced] the "150 MPG EXTREME HYBRID (XH™) SUV" PHEV based on a Saturn Vue mild hybrid.
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On Jan 2008 [http://www.afstrinity.com/ AFS Trinity] [http://www.afstrinity.com/press-release-1-13-08.html announced] the "150 MPG Extreme Hybrid (XH™) SUV" PHEV based on a [[Saturn Vue]] mild hybrid creating the first [[Saturn Vue PHEV]].
  
 
While more interested in selling its technology to car manufacturers, AFT Trinity is not opposed to start converting HEVS to PHEVs on its own.
 
While more interested in selling its technology to car manufacturers, AFT Trinity is not opposed to start converting HEVS to PHEVs on its own.
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SFS Trinity claims an EV range of 40 miles. Just like the Volt, after a full charge, the car first run purely electrically. After the battery is depleted, the engine comes on and the car runs on gasoline.
 
SFS Trinity claims an EV range of 40 miles. Just like the Volt, after a full charge, the car first run purely electrically. After the battery is depleted, the engine comes on and the car runs on gasoline.
  
Form the [http://www.afstrinity.net/images/press-release/press-release-graphics1.jpg block diagram], it appears that the PHEV conversion has the following characteristics:
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From the [http://www.afstrinity.net/images/press-release/press-release-graphics1.jpg block diagram], it appears that the PHEV conversion has the following characteristics:
 
* The 16 KWh battery pack is composed of low power (high energy) lithium batteries (probably not Phosphate, or they would have said so). Same as Tesla, one would guess.
 
* The 16 KWh battery pack is composed of low power (high energy) lithium batteries (probably not Phosphate, or they would have said so). Same as Tesla, one would guess.
 
* Ultracaps (< 1 kWh) are added to handle the power peaks, which the lithium pack cannot handle.
 
* Ultracaps (< 1 kWh) are added to handle the power peaks, which the lithium pack cannot handle.
* A 100 kW AC electric motor drives the rear wheels, to get sufficient power in all-electric drive
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* A 150 kW AC electric motor drives the rear wheels, to get sufficient power in all-electric drive
 
* Power electronics are a key factor in the conversion. To the stock electronics high voltage DC bus, they add:
 
* Power electronics are a key factor in the conversion. To the stock electronics high voltage DC bus, they add:
 
** a bidirectional step-up/step-down DC-DC converter for the ultracaps
 
** a bidirectional step-up/step-down DC-DC converter for the ultracaps
** an other one for the battery pack,
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** another bidirectional step-up/step-down DC-DC converter for the battery pack,
 
** a bidirectional inverter for the additional motor
 
** a bidirectional inverter for the additional motor
 
** a synchronous rectifier for the charger
 
** a synchronous rectifier for the charger
  
AFS Trinity states that this is patent pending technology. Yet, the characteristics described above are all already well known in the industry. It appears that [[http://www.google.com/patents?q=AFS+trinity&btnG=Search+Patents all the patents granted so far]] have to do with a flywheel design.
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AFS Trinity states that this is patent pending technology. Yet, the technologies described above are all already well known in the industry. It appears that [http://www.google.com/patents?q=AFS+trinity&btnG=Search+Patents all the patents granted so far] have to do with a flywheel design. In April 2006 AFS Trinity announced that it applied for a patent that "addresses the architecture, power electronics and control strategies of the Extreme Hybrid™ (XH™) drive train.".
  
AFS Trinity estimates that, if manufactured by a major car company, their solution would add $ 8700 to the price of the car.
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AFS Trinity estimates that, if manufactured by a major car company, their solution would add $8700 to the price of the car.
  
 
==References==
 
==References==
 
* [http://www.afstrinity.com/xh.htm AFS Trinity], [http://www.afstrinity.com/press-release-1-13-08.html Press release]
 
* [http://www.afstrinity.com/xh.htm AFS Trinity], [http://www.afstrinity.com/press-release-1-13-08.html Press release]
* [http://www.nytimes.com/2008/01/13/automobiles/13ULTRA.html?_r=1&oref=slogin NY Times article]
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* 2008.06.02 - seattlepi - [http://seattlepi.nwsource.com/business/365525_hybridsuv03.html 'They can go 40 miles for a dollar,' if cars get made]
* [http://www.cnn.com/video/#/video/tech/2008/01/11/hunter.extreme.hybrid.cnn CNN video] - Requires IE and Flash
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* 2008.01.15 - autobloggreen.com - [http://www.autobloggreen.com/2008/01/15/detroit-2008-this-is-what-150-mpge-looks-like-pics-of-the-xh/ Detroit 2008: This is what 150 mpge looks like - pics of the XH-150 and XH250 hybrids]
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* 2008.11.13 - nytimes.com - [http://www.nytimes.com/2008/01/13/automobiles/13ULTRA.html?_r=1&oref=slogin Closing the Power Gap Between a Hybrid’s Supply and Demand]
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* 2008.01.11 - cnn.com [http://www.cnn.com/video/#/video/tech/2008/01/11/hunter.extreme.hybrid.cnn Hybrid car of the future] Video 3:52
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* 2006.09.14 - theaudochannel.com - [http://www.theautochannel.com/news/2006/09/14/021970.html AFS Trinity Plug-in Drivetrain -250MPG]
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[[Category:Vue]]
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[[Category:PHEV]]
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[[Category:AFS Trinity]]
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[[Category:Plug-In Conversions]]

Latest revision as of 18:21, 3 June 2008

On Jan 2008 AFS Trinity announced the "150 MPG Extreme Hybrid (XH™) SUV" PHEV based on a Saturn Vue mild hybrid creating the first Saturn Vue PHEV.

While more interested in selling its technology to car manufacturers, AFT Trinity is not opposed to start converting HEVS to PHEVs on its own.

The stock Vue is a mild hybrid, and therefore unable to provide sufficient electrical drive for acceptable PHEV performance on its own. Therefore AFS Trinity adds a second electrical motor to the Vue. This motor drives the rear wheels, making this a through-the-road parallel hybrid.

Afstrinity motor.jpg

SFS Trinity claims an EV range of 40 miles. Just like the Volt, after a full charge, the car first run purely electrically. After the battery is depleted, the engine comes on and the car runs on gasoline.

From the block diagram, it appears that the PHEV conversion has the following characteristics:

  • The 16 KWh battery pack is composed of low power (high energy) lithium batteries (probably not Phosphate, or they would have said so). Same as Tesla, one would guess.
  • Ultracaps (< 1 kWh) are added to handle the power peaks, which the lithium pack cannot handle.
  • A 150 kW AC electric motor drives the rear wheels, to get sufficient power in all-electric drive
  • Power electronics are a key factor in the conversion. To the stock electronics high voltage DC bus, they add:
    • a bidirectional step-up/step-down DC-DC converter for the ultracaps
    • another bidirectional step-up/step-down DC-DC converter for the battery pack,
    • a bidirectional inverter for the additional motor
    • a synchronous rectifier for the charger

AFS Trinity states that this is patent pending technology. Yet, the technologies described above are all already well known in the industry. It appears that all the patents granted so far have to do with a flywheel design. In April 2006 AFS Trinity announced that it applied for a patent that "addresses the architecture, power electronics and control strategies of the Extreme Hybrid™ (XH™) drive train.".

AFS Trinity estimates that, if manufactured by a major car company, their solution would add $8700 to the price of the car.

References