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Old 11-04-2011, 11:55 PM   #1
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Default BMW Electric Turbo Patent

Came across this today....

http://www.f30post.com/forums/showthread.php?t=597327


Maybe it will make a dent in the turbonator market.
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Old 11-05-2011, 10:54 AM   #2
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Sounds like an awesome way for BMW service departments to make money. Very German. Make it as complex as possible. It's why they lost the war (twice).

I think I'll let it mature for 20 years or so.
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Old 11-05-2011, 11:24 AM   #3
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whatever happened to the belt driven turbocharger?

I think this is a step in the win direction for small motors.
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Old 11-05-2011, 11:53 AM   #4
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whatever happened to diagrams drawn on a computer in year 2011 and links to the source/patent.
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Old 11-05-2011, 01:11 PM   #5
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When I posted this I was somewhat skeptical like Brain hence the turbonator comment. Hell I could reorganize the geometric shapes and patent a dash mounted fan. Nonetheless i found the regenerative nature (alternator function) of the turbo interesting.
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Old 11-05-2011, 01:15 PM   #6
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Whatever happened to Garrett's patent on the same thing?

What I see that's different is the presence of the clutches.
Look at high load condition. The motor acts as an alternator to charge the battery and prevent over-speed. Now what happens when said German Bahn Burner has been running flat out for a while, the battery is fully charged, and the car has minimal electric load? How do you prevent over-speed now, without a wastegate?
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Old 11-05-2011, 05:21 PM   #7
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Quote:
Originally Posted by JasonC SBB View Post
Whatever happened to Garrett's patent on the same thing?

What I see that's different is the presence of the clutches.
Look at high load condition. The motor acts as an alternator to charge the battery and prevent over-speed. Now what happens when said German Bahn Burner has been running flat out for a while, the battery is fully charged, and the car has minimal electric load? How do you prevent over-speed now, without a wastegate?


Charge a capacitor and ha e it discharge to an electric motor in the transmission when you hit a button? ,
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Old 11-05-2011, 07:07 PM   #8
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Quote:
Originally Posted by JasonC SBB View Post
Whatever happened to Garrett's patent on the same thing?

What I see that's different is the presence of the clutches.
Look at high load condition. The motor acts as an alternator to charge the battery and prevent over-speed. Now what happens when said German Bahn Burner has been running flat out for a while, the battery is fully charged, and the car has minimal electric load? How do you prevent over-speed now, without a wastegate?
just short the alternator output
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Old 11-05-2011, 08:37 PM   #9
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I think you're right Jason. We obviously need to add a brake. There needs to be more heat to promote lack of longevity and keep those BMW service departments going.

There are things I love about German cars, but their propensity for complexity isn't one of them.
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