Working Mechanism Of FREEVALVE & The Reason For Its Disappearance - 3D Explanation (100032.V3)

Working Mechanism Of FREEVALVE & The Reason For Its Disappearance (100032.V3)
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[@gleambrite2679]

Had this similar idea 20 years ago. Nice to see someone implementing it.

[@jdoe9518]

BMW had it 30 years ago and couldn't make it work due solenoid limitations. Solenoids technology hasn't advanced enough which is why after 8 years there is no product available

[@AJTalks]

@@jdoe9518 What limitations are there on solenoids? They have quick working time and can be water cooled.

[@jdoe9518]

@@AJTalks Time. Even at a lowly 7000 rpm that's 58 times per second per valve. Distance. Cam lobes have ramps for a reason. You can not expect performance or reliability from an on/off linear motion. So now more time is required. Resolution. Camshafts are designed in .25 degree increments. Whilst this system wouldn't require that level of resolution you should be able to see how distance over time with performance and reliability is a problem that has not been overcome.

[@martinfidel7086]

@@AJTalks how quick is a solenoid ?

[@leomux2004]

I think when the Freevalve technology become viable, it will revolutionize the automotive industry, since with that tech the companies can achieve numbers that with current technology is impossible, like over 50% thermal efficiency numbers, ultra low fuel consumption, very high rpms, very high compression ratio, higher turbocharger pressure, etc. And is a engine that can change its character with just the press of a button, so in the Eco mode the engine would be extremely fuel efficient, while in sport mode the engine would be extremely powerful. It's amazing! This tech would open so many possibilities that I can think about them all the day!😆

[@mydroidid]

Except that there are already engines without Throttle bodies using variable timing and lift making this just unwanted complication

@@mydroidid and they use another intermediary shaft + a motor "phasing" it and all the valvetrain which is a "unwanted complication"

[@lukeamato423]

​@@mydroididyou can squeeze out more efficiency with It though

[@Boots67]

😂

[@dantheman1337]

You must not know much about engines if you believe this is revolutionary or would make engines 50% more thermally efficient

[@alhemmings8554]

I like to think of Freevalve tech showing up on an ultra low volume, pneumatically valve actuated V12, akin to the Cosworth T.50 engine. To get rid of the cams, timing gears and valve springs would be amazing. Imagine a 3.0L, 18,000rpm V12 that can actually idle, running equal length, stepped 6 into 1 exhaust headers per bank, and running on liquid H2 or E85 fuel. Come on Gordon Murray......do it!

[@Hyperbole77]

Hilarious how this guy pronounces pneumatic. Love it.

[@denismilic1878]

This is so good compared to a massive flood of AI voice channels. I like KZbinrs with a heavy accent, maybe because English is my third language, I started to learn it in high school. When I speak English I sound like drunk russian vatnik.

[@steelmill]

This technology eliminates so many moving parts and friction .

[@mddunlap03]

Can't wait to see the cost and maintenance bills. Also the pros they bought are vs a normal non vvt vvl or vc engines the last one of those stored being made 2006ish.

[@dredwardchippsfrontdesk8676]

I wonder if it has applications for aircraft?

[@joenickel2371]

"All action has an equal and opposite reaction" - Sir Issac Newton. I other words; Electronic servos that have to fight springs have only transferred friction from the camshaft to the alternator and the larger heavier battery that they require.

[@martinfidel7086]

You know nothing and understand even less ! 🤣🤣🤣🤣

[@mddunlap03]

You can change pressure with rpm to help lower that but the real issue is seal life and cost. They can't make them last a season in racing with unlimited budgets and no material out of budget. Now take your avrage Karen geting a oil change ever 10-20k miles

[@Pksk1]

Valeo's electromagnetic valve control system is simpler and more reliable than any other, but the reason for not investing in the solution is the old co2 lie.

[@pierrelindenstrand6273]

Correct me if I’m wrong - but I have a memory of reading that Mercedes had electric valves on a V12 -? This was around 2005 as I remember it.

[@catchnkill]

Not electric valves. Just VVT.

[@adamchristoff4905]

Lets move onto the durability , reliablety 😂

[@LadzeeFixes]

Saying "ICE engine" is like saying "ATM machine".

[@chesshooligan1282]

PIN number.

[@martinfidel7086]

I first saw this in 1980,but back then they used 2 solenoids per valve so valve springs where very weak, just enough strength to keep the valves closed when all power is off. Much better system with much better control, it was bulky and expensive, roll forwards 44 years and the technology is a fair bit cheaper

[@daveaw89]

Why use air and not a big electric solenoid?

[@royroye1643]

let's say 6000rpm = 1ms needed for open/close operation. magnetic field saturation after electricity for solenoid is turned on is not instantaneous and probably requires more time than 1 ms.

[@Ckcdillpickle]

@@royroye1643 at 10k rpm your valves open and close every 12 seconds. not sure where you get 1ms

[@Dalehogg89]

​@Ckcdillpickle every 12ms at 10000rpm. That's 1000X faster than your comment dude

[@Ckcdillpickle]

@@Dalehogg89 my bad, I meant ms

[@daveaw89]

@@Dalehogg89 How many car engines do you know of that can run at 10000 rpm? And how high does the average driver go? Id say most driver rarely go over 4k

[@ritdhar6579]

How did it disappear mate?😂

[@Valko67]

probably the electronic parts have to be replaced every two rides

[@richsackett3423]

@@Valko67 "rides"🤡

[@lomasck]

I want to use this onmy Pulse Jet Engines.Just match it to the pipe length.140hz on my RC 10kg thrust PJ.No more reed valve fails & more thrust.Then I can build 30 in a cluster & go drag racing.

[@VGHCX]

Where is this "technology" today if it is so great? It works great in a cad program only. Not in the real world.

[@marguskiis7711]

naice accint

[@mddunlap03]

1000s of bars ...the highest diesel presure fuel system is in the 80k psi area gas 1-3000psi no way is anyone runing millions of psi as a fuel presure

[@planje4740]

- и има поново опруга //елипсасти вентил окретати на отворено затворено

[@misogear]

Opposite piston engine already achieve 50 percent plus thermal efficiently. Free valve is just gloryfy pneumatic with stupid price tag

[@kevinburke6743]

Free Valve should just be pneumatic ran of a supercharger creating a vacuum in the exhaust manifold of the active valve to evacuate the burnt gases and create a partial vacuum for the inlet valve was opened. As it is off a low pressure Supercharger it would not need to be large, heavy or powerful! It is not as if it was forcing induction. Just purely waste removal.

[@jessesherman3455]

Add capacitors to each valve don't be a dinkray

[@jessesherman3455]

I have not much faith in this system unless you do this. And I AM A MANDRILL

[@petervossos4816]

Why can’t the cam have the same shape as the crank … and the push rods attach to it same as the pistons do … and the tip of the push rods connected to the rockers and the other end of the rocker connected to the valve …so the entire valve train is connected … 😊

[@stephenfuentes117]

"Promosm" ❤️

[@Valko67]

I dont believe in such technologie , it is very less durable and to me as more electronic parts the more bad a engine will be to failures , so NO NO , not for me

[@ronsmith7739]

Things move way too fast !!!!!