Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.1 6/24/83; site astrovax.UUCP
Path: utzoo!watmath!clyde!burl!ulysses!mhuxl!houxm!ihnp4!astrovax!wls
From: wls@astrovax.UUCP (William L. Sebok)
Newsgroups: net.space
Subject: Re: More of same (electric motors and low end torque)
Message-ID: <419@astrovax.UUCP>
Date: Tue, 14-Aug-84 11:56:14 EDT
Article-I.D.: astrovax.419
Posted: Tue Aug 14 11:56:14 1984
Date-Received: Wed, 15-Aug-84 01:40:09 EDT
References: <12324@sri-arpa.UUCP> <1316@wateng.UUCP>
Organization: Princeton Univ. Astrophysics
Lines: 11

My father had many electric motor patents to his name.  The last project my he
was working on before he died last month was an electric motor which used
a custom VLSI chip to operate the motor at an optimal point at various load
and speed conditions.  Thus one could make a much smaller motor of the same
power.  I am not sure but I think it was basically an induction type motor
and the circuitry delivered an AC with (at least) the frequency tweaked for
optimal operation.  I am not sure what other parameters the circuitry adjusted.
Work on this motor continues as AMETEK/Lamb Electric, in Kent, Ohio.
-- 
Bill Sebok			Princeton University, Astrophysics
{allegra,akgua,burl,cbosgd,decvax,ihnp4,noao,princeton,vax135}!astrovax!wls