Liquid transfer system and method

Details Liquid transfer system and method Liquid transfer system and method

1995-01-12

1996-08-13

Rutledge, D.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

354324, 137454, G03D 302, G03D 1300

Patent

active

055461530

ABSTRACT:
A liquid transfer system particularly suited for transferring a processing chemical between a reservoir and a tank in a photographic processing apparatus, comprises a liquid reservoir having an outlet which is connectable to the tank in the processing apparatus. The reservoir is connected to a source of pressurized gas which forces liquid to be transferred from the reservoir to the tank. The outlet of the reservoir is provided with a valve arrangement which serves to close the reservoir outlet when the liquid level in the reservoir drops below a predetermined level and prevents pressurized gas from escaping from the reservoir.

REFERENCES:
patent: 3911460 (1975-10-01), Lasky et al.
patent: 4012753 (1977-03-01), Schmidt
patent: 4586805 (1986-05-01), Bockemuhlsimon
patent: 4629303 (1986-12-01), Vermarien
patent: 4779640 (1988-10-01), Cummings
Patent Abstracts of Japan, vol. 6, No. 18 (P-100), 02 Feb. 1982 & JP-A-56 142532 (Ricoh Co. Ltd.) 06 Nov. 1981.

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