Pumps – One fluid pumped by contact or entrainment with another – Aerated column
Patent
1993-05-27
1994-05-17
Gluck, Richard E.
Pumps
One fluid pumped by contact or entrainment with another
Aerated column
F04F 118
Patent
active
053122321
ABSTRACT:
A pump having no moving parts which can be used to pump high temperature molten metal or other fluids in a vacuum or low pressure environment, and a method for pumping such fluids. The pump combines elements of a bubble pump with a trap which isolates the vacuum or low pressure region from the gas used to create the bubbles. When used in a vacuum the trap prevents the pumping gas from escaping into the isolated region and thereby reducing the quality of the vacuum. The pump includes a channel in which a pumping gas is forced under pressure into a cavity where bubbles are formed. The cavity is in contact with a reservoir which contains the molten metal or other fluid which is to be pumped. The bubbles rise up into a column (or pump tube) carrying the fluid with them. At the top of the column is located a deflector which causes the bubbles to burst and the drops of pumped fluid to fall into a trap. The fluid accumulates in the trap, eventually forcing its way to an outlet. A roughing pump can be used to withdraw the pumping gas from the top of the column and assist with maintaining the vacuum or low pressure environment.
REFERENCES:
patent: 827341 (1906-07-01), Young et al.
patent: 1741571 (1929-12-01), Ives
patent: 2399634 (1946-05-01), Holland et al.
patent: 3289609 (1966-12-01), Palo
A. H. Stenning, C. B. Martin, "An Analytical and Experimental Study of Air-Lift Pump Performance," Journal of Engineering or Power, Apr. 1968, pp. 106-110.
McGraw-Hill Encyclopedia of Science & Technology, "Electromagnetic pumps," 6th Edition, Copyright 1987, 1982, 1977, 1971, 1966 & 1960, 4 pages in length, see p. 153.
Brown Donald L.
Horton James A.
Gaither Roger S.
Gluck Richard E.
Moser William R.
The United States of America as represented by the United States
Valdes Miguel A.
LandOfFree
Pump for molten metal or other fluid does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pump for molten metal or other fluid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pump for molten metal or other fluid will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-872286