Patent ID: 7163619

Claim:
A water supply system with pressure-stabilized water storage and quality-distinguished supply of service and potable water, including a plurality of pipe valves, a plurality of instruments and a water supply piping network, the system further including: a multifunctional water supply tank with pressure-stabilized water storage and quality-distinguished supply of service and potable water; at least one filtering cylinder assembly and a water supply piping network for a purified water filter assembly, where said filtering cylinder assembly is in communication with a potable water outlet through a plurality of pipes and is provided outside said water supply tank, and the pipe valves and instruments corresponding with said filtering cylinder assembly form a purified potable water supply piping network mountable in households; said purified water filtering assembly, the water supply piping network and the plurality of instruments being configured for the use of high-standard industrial pure water processing and seawater desalination, wherein sewage drained from the system is purified into neutral water.