Gas separation – Residue access – handling or removing means – Separable collection container
Patent
1998-04-08
2000-02-22
Spitzer, Robert
Gas separation
Residue access, handling or removing means
Separable collection container
55435, 55449, 55450, 554592, B01D 4516
Patent
active
060275413
ABSTRACT:
A molded plastic lid for use on an auxiliary trash collection container used with a shop vacuum cleaner or dust collector system. Incoming air and entrained materials are directed along the inside of the container at a shallow angle, and outgoing air is drawn from the center of the lid at a steeper angle. The resulting airflow in the container is a vortex or cyclone-like flow that deposits most of the incoming material within the container, thereby increasing the collection capacity of the system with which the lid is used by the volume of the auxiliary container.
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P. 57, 1987 issue of Wood Magazine.
Article, publisher unknown, entitled How can I convert my Dust Collection System to a "Two Stage System?" and bearing the date stamp of Michael C. Payden--Feb. 23, 1994.
Pp. 98-119, Chapter 6, of book entitiled Woodshop Dust Control by Sandor Nagyszalanczy, published 1996.
Page printed from Wood Magazine's website (http://www.woodmagazine.com/ideashop3/cyclone.html) entitiled Idea Shop 3, admitted to have been available prior to Apr. 7, 1998.
Lee Valley Tools Ltd.
Pratt John S.
Spitzer Robert
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