The pump looked quite common to me, just a spindle motor and a shrouded
inducer-impeller. Nothing new really.
They ran the prop through the motor for cooling, that’s not new either. Might
be scary with oxygen the first time.
Russell Blink
From: arocket-bounce@xxxxxxxxxxxxx <arocket-bounce@xxxxxxxxxxxxx> On Behalf Of
ken mason
Sent: Monday, March 09, 2020 11:51 AM
To: arocket@xxxxxxxxxxxxx
Subject: [AR] Re: Printed engine patent
I doubt their pump design is anything but rocket science, low pressure
centrifugal pumps for bi-prop rocket use were used by Robert Goddard and
Germany
back in the 1930's. It's the modern use of rare earth permanent magnet motors
that is unique, something I researched 10 years ago but got no one's attention
in,
i.e.The Rocket Racing League.
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On Mon, Mar 9, 2020 at 9:24 AM Rick Wills <willsrw@xxxxxxxxx
<mailto:willsrw@xxxxxxxxx> > wrote:
After looking at the patent, Peter Beck is the lead name i.e. Rocket Lab.
To me this looks like a design patent. If I 3D designed & printed a different
engine, I would patent the design. The Rocket Lab design looks reasonable but
nothing special. What I would love to see is a design patent on their pump
system.
Rick Wills
Huber Heights, Ohio
-----Original Message-----
From: arocket-bounce@xxxxxxxxxxxxx <mailto:arocket-bounce@xxxxxxxxxxxxx>
<arocket-bounce@xxxxxxxxxxxxx <mailto:arocket-bounce@xxxxxxxxxxxxx> > On Behalf
Of Ben Brockert
Sent: Saturday, 7 March, 2020 4:15 PM
To: arocket@xxxxxxxxxxxxx <mailto:arocket@xxxxxxxxxxxxx>
Subject: [AR] Printed engine patent
Interesting diagrams, surprisingly weak claims.
https://patents.google.com/patent/US10527003B1/en