Title:
A MEANS OF EXPELLING PARALLEL TANKS TO LOW RESIDUALS
Document Type and Number:
WIPO Patent Application WO1988003499
Kind Code:
A3
Abstract:
A multiple tank flow system is provided in which a plurality of liquid storage tanks or reservoirs are connected with their outlets in parallel with the piping arranged so that the outlet from each tank shall have the same or similar pressure drop at a specific flow rate. A surface tension retaining device is mounted within each tank at the outlet opening to prevent the pressurization gas within the tank from entering the outlet while liquid is still flowing from one or more of the tanks within the system. The surface tension device can be of any suitable design such as a saucer-shaped arrangement having relatively thick, flat support members forming the structure with suitable screen-type material positioned across the entire outer surface of the support members. The size of the openings within the screen material is arranged to provide an adequate surface tension film to produce a required liquid/gaseous interface to prevent the pressurization gas from entering the tank outlet.
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Inventors:
UNEY PRESTON EDWARD (US)
TEGART JAMES ROBERT (US)
ABBOTT DAVID RAY (US)
TEGART JAMES ROBERT (US)
ABBOTT DAVID RAY (US)
Application Number:
PCT/US1987/002440
Publication Date:
June 02, 1988
Filing Date:
September 29, 1987
Export Citation:
Assignee:
MARTIN MARIETTA CORP (US)
International Classes:
B64G1/40; F02K9/50; (IPC1-7): B64G1/40; F17C9/00
Foreign References:
| GB2170163A | 1986-07-30 | |||
| GB2051246A | 1981-01-14 | |||
| FR2254494A1 | 1975-07-11 |
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