Liquid purification or separation – Structural installation
Patent
1988-09-16
1989-07-11
Fisher, Richard V.
Liquid purification or separation
Structural installation
210154, 210162, 210170, 210486, 210488, 428160, B01D 3502, B01D 3530
Patent
active
048469661
ABSTRACT:
Injection-molded intake-water filtering apparatus designed for use with electric power generating stations and the like, comprising a rectangular elastomeric grid in which the number and spacing of the longitudinal elements are both adjustable. The lateral spacing between the longitudinal elements is established by cylindrical sleeves through which pass transverse rods which bind together the longitudinal elements to form the grid. The elastomeric material used is of a hardness, strength, and elasticity necessary to resist the large forces to which the trash rake is exposed and sufficiently smooth that ice-nucleating centers and marine-growth anchors are effectively absent on the surface of the finished grid.
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patent: 4793928 (1988-12-01), Tsukamoto et al.
Parkinson, "Frazil Ice Problems at Trash Racks," Winter Operation-Ice Problems, Montreal, Aug. 1987, pp. 1-10.
Bohan Thomas L.
Drodge Joseph
Fisher Richard V.
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