Title:
【発明の名称】ガス発生装置及びその発生方法
Document Type and Number:
Japanese Patent JP2765706
Kind Code:
B2
Abstract:
A device and related method adapted to generate a gas flow containing a precise amount of impurities for calibrating analysers or the like; e.g. hygrometers. The device comprises a membrane (11) through which an impurity gas e.g. water vapour permeates and mixing means to make a mixture of said impurity gas and a vector gas sweeping said membrane (11). The pressure of said mixture is substantially constant, but adjustable, to enhance the accuracy of the device.
Inventors:
MAIKERU DEII BURANTO
FURANSOWA MERUMO
FURANSOWA MERUMO
Application Number:
JP20181288A
Publication Date:
June 18, 1998
Filing Date:
August 12, 1988
Export Citation:
Assignee:
REERU RIKUITSUDO SA PUURU RECHUUDO E REKUSUPUROWATASHION DE PUROSEDE JIORUJU KUROODO
International Classes:
G01N33/00; G01N1/00; G05D11/035; (IPC1-7): G01N1/00
Domestic Patent References:
| JP5342885A | ||||
| JP54124790A | ||||
| JP5992841U |
Attorney, Agent or Firm:
Takehiko Suzue (2 outside)