Re: Pelletron / patent 3,469,118 / (1969) (fwd)

[Steven Roys <sroys@xxxxxxxx>]

---------- Forwarded message ----------
Date: Sun, 18 Jan 2004 23:43:37 -0200
From: Antonio Carlos M. de Queiroz <acmq@xxxxxxxxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: Pelletron / patent 3,469,118 / (1969) (fwd)

High Voltage list wrote:

> From: Lyonelb@xxxxxxx

>  Patent 3,469,118 ( Sept 23, 1969 ) Raymond G. Herb and James A. Ferry (
> abstracts) :
>...
> However, in
> the illustrated high voltage generator , the conventional belt-type conveyor is
> replaced with the illustrated conveyor having one or more endless members with
> a series of conductive pellets mounted thereon. The illustrated pellets  are
> circular in cross section and are generally cylindrical in shape. Here again,
> all surfaces of the pellets  are smoothly curved or rounded so as to minimize
> the possibility of sparking or corona discharges between the pellets.

Righi's electromer (1872), used a rubber tube with metal rings
transporting
charge to a sphere with an internal collector:
http://www.coe.ufrj.br/~acmq/righi.jpg
http://www.coe.ufrj.br/~acmq/righiele.jpg

Antonio Carlos M. de Queiroz