Does anyone remember or know about Floating intake power valves??

These have been patented a few times, the concept is a floating valve behind the stock valve that is close by the beginning of compression and give a much higher power cycle in lower RPMs.

Makes your motor a torque monster.

There was a shop in Vegas making them.

I lost his contact info.

Rich

 

you mean like valve in the heads, or the power valve in a carburetor?

 

These are a set of floating second valve behind the main original valve...when the piston starts up during the compression stroke the pressure closes this free valve causing a earlier closing that the cam is programed for and this makes higher compression and lower the torque curve, BUT at higher RPMs the reaction time is cut so at one point things are too fast so your stock cam timing takes over.

It gives you a variable valve timing: a very small low RPM timing and then as you RPMs rise a power cam (stock) or even a performance cam.

I do not know how well these ware, nor if carbon build up will mess with them.

BUT I plan on trying them IF I can find (the) a company making them.

There have been patterns issued for versions of these over some 50 years.

Rich

 

Found a little of old documents: Just so no one thinks I did not see these earlier:

 

 

Fixed

 

Note on these they were called "Torque Valves"

Found the Patent: https://patents.google.com/patent/US6598577

This is what I am looking into.

Rich

 

I scanned through the patent. It looks like an idea for a floating valve SEAT. "Thus it is seen that the present invention provides an intake valve of the floating valve seat type that provides the advantages of variable valve timing."
Which is another attempt at variable valve timing. I don't see how this could be done to a conventional SBC head. But maybe the inventor does.
It is NOT a replacement patented valve that you can just install in your heads.
If you are after variable valve timing, consider these lifters: http://www.rhoadslifters.com/Pages/Articles.html

 

First other that perhaps special valve seats these are install-able in a SBC head and they were making them for them.

And I know of Rhoads lifters and A0 they do not work very well and B) are nosy...

And I drive a 2000 Mercury and it has a wide oil pressure range as low as 10PSI and as high as 80PSI it would be hard to set up Rhoards Lifters in such an engine.

Evern for my 350 Chevy motor these can be a bear to set up and keep in tune.

Until they make heads for Ford & Chevy engines with then new camless electric hydraulic valves, this was the best I can get of either my Ford and Chevy Van.

Rich