Title:
【発明の名称】多重膜フィルタ
Document Type and Number:
Japanese Patent JP2000508965
Kind Code:
A
Abstract:
A filter element having a plurality of membrane layers. The filter element has a filter member having a porous sidewall. The sidewall has an outer surface and an inner surface which allow a gas to flow through. A first membrane is in communication with the outer surface for preventing particulate matter from penetrating the outer surface. A second membrane is in communication with the inner surface for preventing particulate matter from penetrating the inner surface.
Inventors:
Alvin, Mary, Anne
Application Number:
JP53816097A
Publication Date:
July 18, 2000
Filing Date:
April 15, 1997
Export Citation:
Assignee:
WESTINGHOUSE ELECTRIC CORPORATION
International Classes:
B01D39/20; B01D46/00; B01D46/24; B01D46/54; B01D63/06; F02M35/08; (IPC1-7): B01D39/20; B01D63/06; F02M35/08
Attorney, Agent or Firm:
Koichiro Kato