초록 ▼

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

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.

대표청구항 ▼

A flow control system for dispensing liquid from a multiple tank arrangement, the outlet and inlet from each tank being connected in parallel to a common outlet and inlet pipe whereby pressurization gas within the individual tanks is prevented from entering the outlet pipe until the liquid within al

A flow control system for dispensing liquid from a multiple tank arrangement, the outlet and inlet from each tank being connected in parallel to a common outlet and inlet pipe whereby pressurization gas within the individual tanks is prevented from entering the outlet pipe until the liquid within all of the tanks has been dispensed, the control system comprising: a. a plurality of liquid storage tanks, each of said tanks having an outlet and inlet pressurization pipe, said outlet pipe being connected at a common junction to all other tank outlet pipes, and a common outlet pipe extending from said common junction, said tank outlet pipes and the common pipe being sized to carry the maximum flow rate required of the system and to minimize the pressure drop through the individual tank outlets when the liquid is flowing at the maximum required flow rate said inlet pressurization pipe being connected at a common inlet junction to all other tank inlet pressurization pipes and a common inlet pressurization pipe extending from said common inlet junction; and b. each tank includes a liquid surface tension retaining device in the form of a hollow disk shaped structure having generally flat support members and woven screen-type material mounted over the outer surface of said support members, said tension device being mounted so as to enclose the outlet opening from said tank, said surface tension device being capable of retaining a liquid/gas interface film to prevent the pressurization gas within the tank from passing into the common outlet pipe when the liquid within the tank is depleted.