Title:
ULTRA-FINE PARTICLE CLASSIFYING DEVICE
Document Type and Number:
Japanese Patent JP2001133387
Kind Code:
A
Abstract:
To exhaust a sealing gas, efficiently at a high exhausting speed, in a differential-type electricity mobility classifying device in order to operate the classifying device at a pressure lower than the atmospheric pressure.
This differential-type electricity mobility classifying device has dimensions reduced by changing the shape of the device from a double cylinder type to a rectangular type for improvement. This enables the sealing gas in this device to be exhausted efficiently at a high exhausting speed.
Inventors:
MAKINO TOSHIHARU
SUZUKI NOBUYASU
YOSHIDA TAKEHITO
YAMADA YUKA
SUZUKI NOBUYASU
YOSHIDA TAKEHITO
YAMADA YUKA
Application Number:
JP31788299A
Publication Date:
May 18, 2001
Filing Date:
November 09, 1999
Export Citation:
Assignee:
MATSUSHITA RES INST TOKYO INC
International Classes:
B03C7/12; G01N15/02; G01N27/60; (IPC1-7): G01N15/02; B03C7/12; G01N27/60
Attorney, Agent or Firm:
Koichi Washida