Subducing Head:-pneumatic motor idea 6

[Uncanny3]

Hi,
I want to share my thought on what I have called a 'subducing head',
it's a pneumatic engine.
Here's the first drawing==>

The concept is to apply more pressure on one side of a shape within an air compression chamber.
So the red squares are areas of pressure, which don't occur on the other side of the shape,
as the steps mating(wrung) allow the backward pressure face to be culled. Their area in practice ceases to exist.
However this does mean that the feet have to move uphill, and the air pressure will jam them outward,
meaning that inclination has to be overcome.
Would this provide circular movement?
-The thing about this motor, is that requires no more force than compression, it doesn't need relief.
Here's a 3d model:-

...and the forward pressure areas of such:-

I would like to share, and get this built. Do you think it would work?
...I'd love anyone to get involved
If you'd like to help, please reply with your thoughts
-I hope this is interesting,
if you would just like to comment on why or why this doesn't work,
I'd be curious to hear
Cheers

 

[LittleInch]

I can sort of understand the ram concept, but the key issue is that as / if the cylinder retracts, the overall volume of air increases as the ram is slowly reduced in length, hence there is air flow into the ram or the pressure slowly reduces so work is being done.

I can't see this applying to your conceptual machine. For energy to come out of this or movement, there needs to be energy in. This is either more air flowing in and some out, or a reduction in pressure over time which is then topped up, hence more energy.

You simply cannot get energy out when you're not putting energy in.

In your 1-7 steps, the pistons can only extend is the internal pressure (1) is more than the external pressure. At point 6 and 7 the external pressure is noted as 1.5. Hence going back to one, the pistons will not expand unless than 1.5 pressure is vented out.

Or put another way, between 1 and 2 you need to increase the volume of air at pressure 1 to make the cylinders extend. That is energy.



Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

 

[Jboggs]

"can this principle be used to generate movement without relief, by switching shapes or pressure zones/areas under pressure?"
I can't see how, since any such "switching" would require some energy input, some work. Think about it - you would have to de-pressurize one area while pressurizing another. That process would require some energy input no matter how you do it.

Another principle to remember - there is no such thing as a friction-free perfect seal.

 

[dvd]

I salute the persistence of the OP and wish this person well. Post a video of your invention someday.

 

[Uncanny3]

LittleInch:
The entirety of current concept is that the cylinders at pressure 1 can extend, as their outward(horizontal) faces
are hidden from the pressure 1.5 . The chamber pressure has no atmosphere to bear a pressure,
therefore they can again extend. The flat matings will want to be very low tolerance.
If that doesn't happen, I don't know exactly what to do. I will still try to think of how to hide
pressure faces against rigid things

JBoggs:
A switch could use less energy than is gathered from a potentially powerful movement
-yes I agree that efficiency is lossing to various factors in almost all devices

dvd:
Thanks mate, I can't believe it, I may have some funding,
and smc make the rams I need. I'll do video sure
It's pretty useless in concept form, but concept goal would be unreal anyway

I have power coming out of it with a ram possibly, need to think more but maybe we can pull on the rod end

I need to prepare concise papers for this, to explain seems difficult

 

[LittleInch]

"I may have some funding"

Well someone has more money than sense.

Keep us in the never ending energy free loop please.

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

 

[zeusfaber]

There are two things where being able to provide a convincing explanation will make or break the deal and these are where your concise papers should focus.

Derive formulae for the forces acting on all three faces of the triangular piece. Don't forget to include the chamber pressure force acting on the exposed face of the triangle. You should find that if the ram and chamber pressures are equal, there's no net force on the triangle.

Explain why, with the ram pressure smaller than chamber pressure, you expect the ram to extend into the chamber. Consider what happens as the device is just about to reach stage seven: The gap is closing, the faces are very nearly in contact, but there's still a thin film of air between them. What happens to that air next? What makes that happen? At what stage does that film of air reach equilibrium - and then how much pressure does it exert? What effect does this have on the ram?