An absolute proportioning pumping system includes an electric motor assembly powering a
first pump at a first flow rate and powering a second pump at a second flow rate. A …

II. Background The field of wireleSS communications has many applica tions including, eg,
cordleSS telephones, paging, WireleSS local loops, personal digital assistants (PDAS) …

A reverse osmosis system includes a reverse osmosis module with a reverse osmosis
membrane and having an inlet port coupled to a source of feed water under predetermined …

BACKGROUND OF THE INVENTION Over the last feW decades desalination technologies
have been used increasingly throughout the World to produce drinking Water from brackish …

(57) ABSTRACT A hydrogen plant including a fuel reforming plant config ured to receive and
process hydrocarbon feedstock and configured to discharge wet reformate including a …

A reverse osmosis system including a reverse osmosis filter with a reverse osmosis
membrane and having an inlet port coupled to a source of feed water under predetermined …

A water system comprising a hot water system, including a hot water heater and a conduit
coupled to feedwater under pressure for conducting water to and from the hot water heater …

A pump connectible to fluid under pressure comprising a housing having a cavity and a
differential area piston reciprocable in the cavity on pumping and reset strokes and dividing …

This invention overcomes these disadvantages while retaining the desirable results
achieved by boosting the feed water pressure supplied to a reverse osmosis filter. With this …

US5154820A - Reverse osmosis system with cycled pressure intensifiers - Google Patents
US5154820A - Reverse osmosis system with cycled pressure intensifiers - Google Patents …