Title:
FILTER CASE
Document Type and Number:
WIPO Patent Application WO/2011/034296
Kind Code:
A2
Abstract:
The present invention relates to a filter case, and more particularly, to a filter case used in a pulmonary function test. The filter case of the present invention is configured such that both a T-shaped upper body and a T-shaped lower body have a fluid flow path formed therein, the upper body and the lower body are symmetrically coupled together, a filter is fixed at the center of the contact area between the upper body and the lower body, and both the upper body and the lower body have radial ducts for enabling a fluid to easily spread over the entirety of the filter case.
Inventors:
LEE PYONG-HWAN (KR)
Application Number:
PCT/KR2010/005874
Publication Date:
March 24, 2011
Filing Date:
August 31, 2010
Export Citation:
Assignee:
LEE PYONG-HWAN (KR)
International Classes:
B01D35/30; B01D27/08
Foreign References:
| JP2838439B2 | 1998-12-16 | |||
| JP3521395B2 | 2004-04-19 | |||
| US4159954A | 1979-07-03 | |||
| US5035236A | 1991-07-30 |
Attorney, Agent or Firm:
GO, Seung-Ho (KR)
고승호 (KR)
고승호 (KR)
Download PDF: