Title:
【発明の名称】界面制御装置
Document Type and Number:
Japanese Patent JP2688351
Kind Code:
B2
Abstract:
A dip tube, being a branch line from a gas pressure line, extends into a liquid in a vented bubble pot. The bubble pot comprises a precision bore vessel containing a displaceable body with an actuator, preferably a stepping motor, for moving the body arranged outside the pot. Displacement of the body changes the liquid level in the vessel to thereby regulate the pressure in the gas pressure line.
Inventors:
John Simpkin
Application Number:
JP2798087A
Publication Date:
December 10, 1997
Filing Date:
February 09, 1987
Export Citation:
Assignee:
Brititsu Shiyu Nyu-Clear Fuyuersupi-Elushi-
International Classes:
G05D9/00; B01D17/025; B01D21/34; G05D9/12; G05D16/20; (IPC1-7): G05D9/12
Domestic Patent References:
| JP4992491A | ||||
| JP48102320A |
Attorney, Agent or Firm:
Minoru Nakamura (3 others)