Subject:
|
Re: electric pneumatic valve actuators?
|
Newsgroups:
|
lugnet.technic
|
Date:
|
Thu, 26 Aug 2004 20:27:41 GMT
|
Viewed:
|
3473 times
|
| |
![Post a public reply to this message](/news/icon-reply.gif) | |
In lugnet.technic, Joe Strout wrote:
> Ideas that have come to mind:
>
> - A pinch valve made by pinching shut a pneumatic tube with
> a wheel or lever attached to a motor
How about one operated by folding or bending the pnematic tube itself (the
same way you can kink a garden hose to turn it off temporarily while waiting for
your sister to come around the corner of the house and... oh, never mind). I
suspect trying to push down on it hard enough is going to be very tough, but
folding it takes much less force, and (should?) provide a tight enough seal. The
only problem here is timing is unlikely to be precise.
--
Brian Davis
|
|
Message is in Reply To:
![](/news/x.gif) | | electric pneumatic valve actuators?
|
| I've been thinking a lot lately about electrically activated (as opposed to manual) pneumatic valves. I've seen several designs on the net where someone has taken a regular LEGO manual valve, and attached a motor. That's clever, but I'm wondering if (...) (20 years ago, 26-Aug-04, to lugnet.technic, lugnet.robotics)
|
8 Messages in This Thread: ![electric pneumatic valve actuators? -Joe Strout (26-Aug-04 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/246.gif) ![You are here](/news/here.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: electric pneumatic valve actuators? -Jon Gilchrist (26-Aug-04 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: electric pneumatic valve actuators? -Joe Strout (27-Aug-04 to lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: electric pneumatic valve actuators? -Jon Gilchrist (26-Aug-04 to lugnet.technic)](/news/x.gif) ![](/news/46.gif) ![Re: electric pneumatic valve actuators? -Ross Crawford (27-Aug-04 to lugnet.technic)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: electric pneumatic valve actuators? -Jerry Kalpin (27-Aug-04 to lugnet.technic)](/news/x.gif)
![](/news/x.gif) ![](/news/68.gif) ![Re: electric pneumatic valve actuators? -Pete Sevcik (27-Aug-04 to lugnet.technic)](/news/x.gif)
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|