[TheForge] Krause/Nazel type air hammer
Larry and Pat Brown
[email protected]
Sun Dec 22 08:21:00 2002
Is there a way to print this from the site or am I just missing it?
Can it be printed from the alternatiff viewer?
L Brown
At 06:43 AM 12/13/2002 -0800, you wrote:
>Jerry- There's alot of cussing and discussing of self-contained valving,
>et al over on the Junkyard site. I followed a link that John Larson put up
>a year or two ago and now have a copy of John Nazels' U.S. patent #
>1084707 for a Fluid Power Hammer. If you don't have Mark Krause's book
>this would be the next best thing to see how they did it 88 years ago.
>You can go to the US govt. patent office and follow their instructions to
>get the 'alternatiff' viewer to view the patent.
> www.uspto.gov I had at one time the patent number for Massey and Beche'
> as well. I suppose you could do an Alldays and onions search while you
> are at it.
>If that doesn't work. Send me your address and I'll mail you a copy.
>
>Steve Howell
>Seattle
>
>-----Original Message-----
>From: Jerry Frost [mailto:[email protected]]
>Sent: Friday, December 13, 2002 3:18 AM
>To: [email protected]
>Subject: Re: [TheForge] Krause/Nazel type air hammer
>
>
>A number of years ago I did the same thing but didn't have anybody to bounce
>it off. And I couldn't find anybody willing to let me take their's apart.
><sigh>
>
>In principle it's dirt simple; a pair of synchronized high volume valves.
>What I couldn't resolve to my satisfaction was the travel distance of the
>ram cylinder. All I came up with was a pressure bypass to the return side.
>Like I say, unsatisfactory. (I think)
>
>Mike's pics of his Onions and Alldays valves didn't tell me how it works but
>did verify my thoughts on valve type. Almost any type of high volume valve
>should work fine, the simpler the better.
>
>If I can figure out the porting, etc. I'd be tempted to use the simplest
>valves possible, either flap, reed or piston port. My question at this point
>is: Why spool valves? Or are they only on the control/primary circuit with
>another set of valves handling the direct air from/to the rams?
>
>Frosty
>------------------------
>If it ain't forged
>it ain't real.
>Wrought iron is.
>The FrostWorks
>
>Meadow Lakes, AK.
>
>
>----- Original Message -----
>From: "Shannell Sugrue" <[email protected]>
>To: <[email protected]>
>Sent: Thursday, December 12, 2002 10:47 PM
>Subject: Re: [TheForge] Krause/Nazel type air hammer
>
>
> > Yeah me too, I drew up an idea I had on how it worked, ran it by an
>engineer
> > friend of mine and he had some suggestions but said it looked good, seemed
> > too simple though, but Ive never seen how this "krause" type valve works
>and
> > it seems pointless reinventing the wheel.
> >
>
>
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