Freevalve tech

"luvMeSome142 & some Lincoln!" (luvmesome142) 02/23/2016 at 14:27 • Filed to: None

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Did I miss this? Cool video showing Koenigsegg’s no camshaft engine.

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I should also add a link to this:

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In case you need some explanation, this is a quantum leap over current variable valve timing systems. A camshaft is a compromise between a bunch of different performance parameters like low end torque, high end horsepower, fuel efficiency, etc. Honda’s VTEC is equivalent to having two different cam profiles to choose from. Both are still a compromise. This is like having an infinite number of cam profiles. It could run as the most mild, fuel sipping, econo-engine when you putter down the road, or transform into a fire-breathing beast when you mash the throttle.

ESSSIX GmbH - Accountant/Wagon Thumper > luvMeSome142 & some Lincoln! 02/23/2016 at 14:33

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I want this...Like so bad.

BobintheMtns > luvMeSome142 & some Lincoln! 02/23/2016 at 14:36

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Yeah... that’s cool.

luvMeSome142 & some Lincoln! > ESSSIX GmbH - Accountant/Wagon Thumper 02/23/2016 at 14:37

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It’s like the holy grail of engine tuning!

MasterMario - Keeper of the V8s > luvMeSome142 & some Lincoln! 02/23/2016 at 14:37

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This tech is really cool. Once it matures and the costs come down it will probably be what gives engines the next big boost in emissions control and fuel economy improvement. With this tech you can essentially make a 7.0l engine run like a 1.0l engine, fuel economy when you want it, power when you need it.

Daily Drives a Dragon - One Last Lap > luvMeSome142 & some Lincoln! 02/23/2016 at 14:38

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So how many more RPM’s are we going to get?

Urambo Tauro > luvMeSome142 & some Lincoln! 02/23/2016 at 14:38

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The possibilities for this technology are really interesting. For example, you could completely eliminate the need for a starter motor:

Have the crankshaft position sensor tell the computer which cylinder is to fire next. Fire that cylinder while keeping other cylinder valves open to remove compression resistance. As the crankshaft starts to turn, command the next cylinder to fire... and resume normal running operation.

luvMeSome142 & some Lincoln! > Urambo Tauro 02/23/2016 at 14:45

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Great point!

luvMeSome142 & some Lincoln! > Daily Drives a Dragon - One Last Lap 02/23/2016 at 14:46

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That’s probably one of the downsides at this point. I’m guessing high RPM operation is one of the tougher engineering challenges.

ESSSIX GmbH - Accountant/Wagon Thumper > luvMeSome142 & some Lincoln! 02/23/2016 at 14:47

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Literally. Engine characteristics are limitless. So my laggy 2.2 can get new life on the low end!

MultiplaOrgasms > luvMeSome142 & some Lincoln! 02/23/2016 at 14:47

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Its like the engine equivalent of a CVT!

Azrek > luvMeSome142 & some Lincoln! 02/23/2016 at 14:48

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Free all valves!!

Daily Drives a Dragon - One Last Lap > luvMeSome142 & some Lincoln! 02/23/2016 at 14:52

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It could be better for diesel engines if it’s not good at high speeds

luvMeSome142 & some Lincoln! > Daily Drives a Dragon - One Last Lap 02/23/2016 at 14:57

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In that post from 2014 Travis said that the same engine could run on gas or diesel.

ESSSIX GmbH - Accountant/Wagon Thumper > Daily Drives a Dragon - One Last Lap 02/23/2016 at 14:57

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I dont think that it would need to be reved out since you can adjust timing at any point, and produce more power at every point in the rev range. My concern is transmission ratios, which relys heavily on how the motor makes its power.

Haase > Daily Drives a Dragon - One Last Lap 02/23/2016 at 15:08

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There is another video of Christian demonstrating this tech. I think it was on /Drive or /Drive+.

Christian said that the actuators that they use for this application allow for either 2-stroke or 4-stroke functionality and he mentioned how this could easily be used for motorcycles, F1 cars and super-large diesel engines. Basically, they have a huge range of operation.

His Stigness > luvMeSome142 & some Lincoln! 02/23/2016 at 15:24

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I don’t get people’s fascination with VTEC. All it is a different cam. Big effing deal. VTEC was outdated pretty quickly, and it took Honda quite a while to come up modern variable valve time where the computer can adjust it within a set parameter. BMW had variable valve timing on the intake AND exhaust very early on, which is a huge deal. It wasn’t until a few years ago that the Japanese came up with VVT on the exhaust side, and they made it seem like the invented the wheel.

DiExMachina > luvMeSome142 & some Lincoln! 02/23/2016 at 15:30

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Looks like they are keeping serviceability in mind with the design. If those “packs” can come out that easy, it should be easy to service a bad one. I wonder how hard the valve itself would be taking out of the head.

luvMeSome142 & some Lincoln! > His Stigness 02/23/2016 at 15:31

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There are a lot of other systems out there, but VTEC is the one people know.

The BMW VANOS system is good, but it still only controls valve timing, not duration or lift.

His Stigness > luvMeSome142 & some Lincoln! 02/23/2016 at 15:38

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I know, everyone has variable valve timing, just not everyone has both sides variable. My problem with VTEC is because the branding is so prominent, people think it’s this awesome thing when in fact it’s nothing special.

I thought that’s all valve timing was duration? And I wasn’t trying to argue VANOS is superior to Freevalve, I was just using it as an example that VTEC was antiquated quite early on. VANOS, like VTEC, is another good example of branding. VANOS doesn’t last for shit, though, just like everything else on BMW’s.

MontegoMan562 is a Capri RS Owner > His Stigness 02/23/2016 at 15:54

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Speak to me Stigness.

I have a 3.0 Duratec V6 with VVT

How variable is my variable valve timing? Both sides? actually wondering, not being a wise guy

His Stigness > MontegoMan562 is a Capri RS Owner 02/23/2016 at 16:04

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From the information I’ve gathered, it appears that engine only has VVT on the intake, which is very common for American and Japanese cars of the period. The only info I could find on timing is that on the 09 Fusion the engine could advance its timing up to 47 degrees.

MontegoMan562 is a Capri RS Owner > His Stigness 02/23/2016 at 16:10

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Fascinating

My bird IS the word > luvMeSome142 & some Lincoln! 02/23/2016 at 16:18

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I have been waiting for this tech to hit the market. Flat. Power. Curve.

McMike > luvMeSome142 & some Lincoln! 02/23/2016 at 16:31

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In that post from 2014 Travis said that the same engine could run on gas or diesel.

...and two or four stroke.

torque > luvMeSome142 & some Lincoln! 02/23/2016 at 16:41

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“Did I miss this?”

Yes.

Longer answer... Yes...

Apparently for heavy truck engines back in 2002...

MAN turbo and Diesel have had a camless engine since about 2002 using a “electrohydraulic valve control” and about the same time Wärtsilä came out with camless engine control using “ electronically controlled common-rail systems for fuel injection and valve actuation”

Looking up “Freevalve” looks like they started working on a camless engine back in 2000 & they were originally called “Cargine Engineering AB” ( http://www.freevalve.com/history/ ), at some point (looks like around 2008 - 09) they were acquired? and they’re now “ the same business group as Koenigsegg Automotive AB, currently employing 9 persons”

So Freevalve has nine dudes/dudettes looking to change the world and scale this tech. down to the light truck/car market, fantastic!

torque > torque 02/23/2016 at 16:45

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Oh I should point out that at least in the case of MAN, their application is in a diesel engine that is the size of a house (I’m not kidding) in the MAN ME engine, so scaling it down to a point where you can comercialize it for light truck/car market is impressive

luvMeSome142 & some Lincoln! > torque 02/24/2016 at 10:56

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I was looking at the website too. Pretty small operation. Doesn’t sound like it’s a big focus for the K company. The supercars are sexier projects!