# US 5,705,065 A · Sea water strainer > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,705,065 A - Document ID: US5705065A - Status: Granted - Kind: A - Application number: 08/709,003 - Filed: 1996-09-06 - Granted: 1998-01-06 - Earliest claimed: 1996-09-06 - Assignees: Conbraco Industries, Inc. - Inventors: Curtis L. Sharpe - Web page: https://patentgrep.com/patent/US5705065A ## CPC - B01D 29/35: arranged for outward flow filtration - B01D 29/96: in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters (B01D29/09, B01D29/70 take precedence) - B01D 35/143: Filter condition indicators - B01D 35/30: Filter housing constructions - B01D 2201/302: having inlet or outlet ports - B01D 2201/309: Housings with transparent parts - B01D 2201/46: Several filtrate discharge conduits each connected to one filter element or group of filter elements - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) ## Abstract A sea water strainer for use with marine craft includes a reservoir forming member disposed intermediate two ends portions. The end portions are formed with inlet and outlet fluid channels which are selectively accessible and blockable to direct the flow through the strainer. Further, an arrangement for mounting the strainer is provided with inclined bores through which bolts may pass with their operational interface directed angularly upwardly for easy access by conventional tools. ## Claims ### Claim 1 A sea water strainer for use with marine craft comprising: a reservoir forming member; two end portions having said reservoir forming member disposed therebetween to define a reservoir intermediate said end portions, at least one of said end portions being formed with at least one inlet channel and at least one outlet channel, with both said inlet channel and said outlet channel being in fluid communication with said reservoir; means for straining a fluid mounted intermediate said inlet channel and said outlet channel; and means for mounting said strainer to a support surface, said mounting means including at least one mounting support body formed in at least one of said end portions and having a bore formed therein for passage of a mounting bolt therethrough, said mounting support body having an inlet opening and an outlet opening formed therein with said bore extending therebetween to define a bore inlet and a bore outlet with said bore inlet opening being vertically offset a predetermined distance from said bore outlet opening to form an inclined bore. ### Claim 2 (depends on 1) A sea water strainer according to claim 1 wherein said mounting support body is mounted at a lateral edge of one of said end portions. ### Claim 3 (depends on 1) A sea water strainer according to claim 1 wherein both said inlet channel and said outlet channel are formed in one of said end portions. ### Claim 4 (depends on 1) A sea water strainer according to claim 1 wherein said means for straining includes a perforated basket sized to fit within said reservoir forming member. ### Claim 5 (depends on 1) A sea water strainer according to claim 1 wherein at least one of said end portions is formed with a sighting bore extending therethrough adjacent said means for straining and further comprising a transparent blocking member configured for being removably retained within said sighting bore in a sealed, watertight relationship with said end portion. ### Claim 6 (depends on 1) A sea water strainer according to claim 1 and further comprising at least one rod member extending between said end portions with said reservoir forming member disposed between said end portions adjacent said at least one rod member, and means associated with said at least one rod member for retaining said end portions in abutment with said reservoir forming member to retain said end portions and said reservoir forming member in a sealed, watertight relationship. ### Claim 7 (depends on 6) A sea water strainer according to claim 6 wherein at least one of said end portions is formed with an opening for passage of at least a portion of said at least one rod member therethrough, said at least one rod member is formed with at least one threaded end segment, and said means associated with said at least one rod member for retaining said end portions against said reservoir forming member includes a bolt threadedly attached to said rod end segment. ### Claim 8 (depends on 7) A sea water strainer according to claim 7 and further comprising at least one projection mounted to said at least one end portion adjacent said rod passage opening in a position to prevent a nut being threaded onto a rod member from rotating with that rod member inserted through said rod passage opening during assembly and disassembly of said sea water strainer. ### Claim 9 (depends on 1) A sea water strainer according to claim 1 wherein said reservoir forming member is transparent. ### Claim 10 (depends on 1) A sea water strainer according to claim 1 wherein said reservoir forming member is a transparent cylinder. ### Claim 11 A sea water strainer for use with marine craft comprising: a reservoir forming member; two end portions having said reservoir forming member disposed therebetween defining a reservoir intermediate said end portions, at least one of said end portions having at least four side edges and being formed with at least one inlet channel and at least one outlet channel therein, with both said inlet channel and said outlet channel being in fluid communication with said reservoir, said inlet channel having two access openings, each said inlet access opening being formed along one side edge of said end portion, said outlet channel having two access openings, each said outlet access opening being formed along one side edge of said end portion; means for blocking at least one said inlet opening and at least one said outlet opening selectively removably receivable in at least one said inlet opening and at least one said outlet opening for directing fluid flow into and out of said sea water strainer; means for straining a fluid mounted intermediate said inlet channel and said outlet channel; and means for mounting said strainer to a support surface. ### Claim 12 (depends on 11) A sea water strainer according to claim 11 wherein said means for mounting said strainer to a support surface includes at least one mounting support body formed in at least one of said end portions and having a bore formed therein for passage of a mounting bolt therethrough, said mounting support body having an inlet opening and an outlet opening formed therein with said bore extending therebetween to define a bore inlet and a bore outlet with said inlet opening being vertically offset a predetermined distance from said outlet opening to form an inclined bore. ### Claim 13 (depends on 11) A sea water strainer according to claim 11 wherein said mounting support body is mounted at a lateral edge of one of said end portions. ### Claim 14 (depends on 11) A sea water strainer according to claim 11 and further comprising at least one rod member extending between said end portions with said reservoir forming member disposed between said end portions adjacent said at least one rod member, and means associated with said at least one rod member for retaining said end portions against said reservoir forming member to retain said end portions and said reservoir forming member in a sealed watertight relationship. ### Claim 15 (depends on 14) A sea water strainer according to claim 14 wherein at least one of said end portions is formed with an opening for passage of a portion of said at least one rod member therethrough, said at least one rod member is formed with at least one threaded end segment, and said means associated with said at least one rod member for retaining said end portions against said reservoir forming member includes a bolt threadedly attached to said rod end segment. ### Claim 16 (depends on 15) A sea water strainer according to claim 15 and further comprising at least one projection mounted to said at least one end portion adjacent said rod passage opening in a position to prevent a nut being threaded onto a rod member from rotating with that rod member inserted through said rod passage opening during assembly and disassembly of said sea water strainer. ### Claim 17 (depends on 11) A sea water strainer according to claim 11 wherein said means for straining includes a perforated basket sized to fit within said reservoir forming member. ### Claim 18 (depends on 11) A sea water strainer according to claim 11 wherein at least one of said end portions is formed with a sighting bore extending therethrough adjacent said means for straining and further comprising a transparent blocking member configured for being removably retained within said sighting bore in a sealed, watertight relationship with said end portion. ### Claim 19 (depends on 11) A sea water strainer according to claim 11 wherein said reservoir forming member is transparent. ### Claim 20 (depends on 11) A sea water strainer according to claim 11 wherein said reservoir forming member is a transparent cylinder. ### Claim 21 A sea water strainer for use with marine craft comprising: a transparent cylindrical member forming a reservoir; two end portions having said reservoir forming member disposed therebetween to define a reservoir intermediate said end portions, at least one of said end portions having at least four side edges and being formed with at least one inlet channel and at least one outlet channel therein, with both said inlet channel and said outlet channel being in fluid communication with said reservoir, said inlet channel having two access openings, each said inlet access opening being formed along one side edge of said end portion, said outlet channel having two access openings, each said outlet access opening being formed along one side edge of said end portion; means for blocking at least one said inlet opening and at least one said outlet opening selectively removably receivable in at least one said inlet opening and at least one said outlet opening for directing fluid flow into and out of said sea water strainer; means for straining a fluid including a perforated basket sized to fit within said reservoir forming member mounted intermediate said inlet channel and said outlet channel; and means for mounting said strainer to a support surface, said mounting means including at least one mounting support body formed in at least one of said end portions and having a bore formed therein for passage of a mounting bolt therethrough, said mounting support body having an inlet opening and an outlet opening formed therein to define a bore inlet and a bore outlet with said bore inlet opening being vertically offset a predetermined distance from said bore outlet opening to form an inclined bore. ### Claim 22 (depends on 21) A sea water strainer according to claim 21 wherein said means for mounting said strainer to a support surface includes a mounting support body formed in at least one of said end portions and having a bore formed therein for passage of a mounting bolt therethrough, said mounting support body having an inlet opening and an outlet opening formed therein with said bore extending therebetween to define a bore inlet and a bore outlet with said inlet opening being vertically offset a predetermined distance from said outlet opening to form an inclined bore. ### Claim 23 (depends on 22) A sea water strainer according to claim 22 wherein said mounting support body is mounted at a lateral edge of one of said end portions. ### Claim 24 (depends on 23) A sea water strainer according to claim 23 and further comprising at least one rod member extending between said end portions with said reservoir forming member disposed between said end portions, and means associated with said at least one rod member for retaining said end portions against said reservoir forming member to retain said end portions and said reservoir forming member in a sealed, watertight relationship. ### Claim 25 (depends on 24) A sea water strainer according to claim 24 wherein said end portion is formed with an opening for passage of a portion of said at least one rod member therethrough, said at least one rod member is formed with at least one threaded end segment, and said means associated with said at least one rod member for retaining said end portions against said reservoir forming member includes a bolt threadedly attached to said rod end segment. ### Claim 26 (depends on 25) A sea water strainer according to claim 25 and further comprising at least one projection mounted to said at least one end portion adjacent said rod passage opening in a position to prevent a nut being threaded onto a rod member from rotating with that rod member inserted through said rod passage opening during assembly and disassembly of said sea water strainer. ### Claim 27 (depends on 21) A sea water strainer according to claim 21 wherein at least one of said end portions is formed with a sighting bore extending therethrough adjacent said means for straining and further comprising a transparent blocking member configured for being removably retained within said sighting bore in a sealed, watertight relationship with said end portion.