Patent ID: 7726511
Filing Date: 2010-06-01
Classification: B01D,C02F

Abstract:
1. A reverse osmosis product water storage tank comprising: first and second molded shells coupled together to form an enclosure; a bladder within the enclosure and coupled to separate product water from squeeze water within the enclosure; a first port through a wall of the enclosure to provide water access to the product water side of the bladder; a second port through a wall of the enclosure to provide squeeze water access to the squeeze water side of the bladder; inner surfaces of the enclosure having a plurality of protrusions integrally molded to the inner surfaces of the first and second molded shells to protrude from the inner surfaces toward the bladder and emanating from the second port to hold said bladder only locally away from said inner surfaces when the bladder is full of product water for accommodating squeeze water flow into the enclosure between the enclosure and the bladder.