LOW-PRESSURE CHAMBER PROVIDING PRESET AIR PRESSURE

Title:

LOW-PRESSURE CHAMBER PROVIDING PRESET AIR PRESSURE

Document Type and Number:

WIPO Patent Application WO/2017/014410

Kind Code:

A1

Abstract:

Provided is a method for maintaining a preset air pressure of a low-pressure chamber. The method may comprise the steps of: measuring the inside air pressure of a low-pressure chamber; if the difference between the inside air pressure and a preset air pressure is the same or higher than a threshold value, adjusting the inside temperature of the low-pressure chamber by using a thermal conduction part disposed inside the low-pressure chamber; and by using a getter, making the difference to be below the threshold value by adsorbing or releasing molecules inside the low-pressure chamber according to the adjustment of the temperature.

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Inventors:

CHO HYOK JIN (KR)
SEO HEE JUN (KR)
PARK SUNG WOOK (KR)
MOON GUEE WON (KR)

Application Number:

PCT/KR2016/003864

Publication Date:

January 26, 2017

Filing Date:

April 14, 2016

Export Citation:

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Assignee:

KOREA AEROSPACE RES INST (KR)

International Classes:

B01L1/02; B01J20/02; F04B37/04

Domestic Patent References:

WO2000052728A1

2000-09-08

Foreign References:

JPH09210290A	1997-08-12
KR100252330B1	2000-05-01
KR20120040372A	2012-04-27
JP2009241030A	2009-10-22

Attorney, Agent or Firm:

MUHANN PATENT & LAW FIRM (KR)

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