US 5,474,672 A · Bilgewater purification device

a. inflow piping;

b. a hollow, bulbous media housing chamber;

c. a petroleum product outlet valve assembly connected to said media housing chamber;

d. a hollow media chamber base with continuous walling affixed to a bottom side of said hollow media chamber base which said walling is connected to said inflow piping and with threading circumscribing the interior surface of said walling of said hollow media chamber base for receipt of external threading circumscribing the lowest portion of said media housing chamber serving thereby to connect said media housing chamber to said hollow media chamber base;

e. outflow piping connected to said walling of said hollow media chamber base;

f. a hole in said walling of said media chamber base leading directly into said outflow piping;

g. a water outflow valve assembly connected to said outflow piping;

h. hollow piping centrally positioned within said hollow media chamber base and affixed in part to said bottom side of said hollow media chamber base and affixed in part to said walling of said hollow media chamber base by way of bridging lying parallel to the plane of said bottom side of said hollow media chamber base;

i. a hole in said walling of said media chamber base leading directly into said inflow piping;

j. a two tiered filter housing chamber base, a first portion of which said filter housing chamber base located below the midline of said filter housing chamber base is circumscribed by primary internal threading and a second portion of which said filter housing chamber base located above the midline of said filter housing chamber base is circumscribed by secondary internal threading;

k. a hollow cylindrical encasement of said hollow piping centrally positioned within said media chamber base by external threading for receipt of said filter housing chamber base via receipt of said primary internal threading;

l. a first filter screen positioned at and upon flooring of said second portion of said filter housing chamber base;

m. a filter housing chamber characterized by the presence of external threading circumscribing its external walling up to and in proximity with an upper rim and by the presence of external threading circumscribing its said external walling down to and in proximity with a lower rim;

n. a second filter screen positioned at and upon the upper rim of said filter housing chamber;

o. a plurality of beaded materials, on the surfaces of which petroleum product is able to coalesce which said beaded materials are located within said filter housing chamber between said first filter screen and said second filter screen;

p. a two tiered filter housing cap the lowest portion of which is characterized by the presence of said internal threading circumscribing the interior walling of said filter housing cap in which said internal threading of said filter housing cap is received by said external threading circumscribing the said external walling of said filter housing chamber up to and in proximity with said upper rim of said filter housing chamber;

q. a first electrode and a second electrode affixed to the walling of said media housing chamber such that each of said electrodes is amenable to contact with liquid within said media housing chamber;

r. first connector wiring leading from said first electrode to control electronics;

s. second connector wiring leading from said second electrode to said control electronics;

t. a display panel characterized by the presence of a first signal emitter and a second signal emitter in which said display panel also houses said control electronics;

u. third connector wiring leading from said first signal emitter to said control electronics;

v. fourth connector wiring leading from said second signal emitter to said control electronics;

w. said control electronics being an electrical circuit characterized by the presence of a first resistor connected by said first connector wiring to said first electrode and with said first resistor, likewise connected by wiring to a first electrical junction point in turn connected to said second signal emitter via said fourth connector wiring and with other wiring connecting said first electrical junction point to a second electrical junction point in turn connected via said third connector wiring to said first signal emitter and with said fourth connector wiring connecting said second signal emitter to a third electrical junction point and with said third connector wiring connecting said first signal emitter to a silicone controlled rectifier, and with wiring connecting said third electrical junction point to a standard high current gain transistor and with wiring connecting said transistor to a fourth electrical junction point and with further wiring connecting said transistor to a fifth electrical junction point and with further wiring connecting said fourth electrical junction point to a sixth electrical junction point connected to said second electrode via said second connector wiring and with wiring connecting said sixth electrical junction point to a first capacitor in turn connected by wiring to a seventh electrical junction point in turn connected to an eighth electrical junction point connected by wiring to a second resistor in turn connected by wiring to said fourth electrical junction point with said eighth electrical junction point in turn connected by other wiring to said fifth electrical junction point and with said third electrical junction point connected by wiring to a third resistor connected in turn by wiring to a ninth electrical junction point in which said ninth electrical junction point is connected by wiring to a second capacitor in turn connected by wiring to a tenth electrical junction point and in which said ninth electrical junction point is connected by wiring to an eleventh electrical junction point in which said eleventh junction point is connected by wiring to a fourth resistor in turn connected by wiring to a twelfth electrical junction point also connected by wiring to said tenth electrical junction point with said eleventh electrical junction point connected by wiring to said silicone controlled rectifier in turn connected by wiring across a switch until to said twelfth junction point with said first resistor and said second resistor connected in series to control the voltage level at said transistor in order to initiate a first electrical signal from said first signal emitter when the resistance across each of said two electrodes is less than a designated number of kilohms and with said third resistor and said fourth resistor connected in series to control the voltage level at said standard silicone controlled rectifier in order to initiate a second electrical signal from said second signal emitter ultimately in lieu of said first electrical signal when the resistance across each of said two electrodes is more than a designated number of kilohms providing further for the deactivation of said second electrical signal upon engagement of said switch.

x. an O ring positionable about the highest portion of said external threading of said media housing chamber serving as a seal when said external threading of said media housing chamber is received by said threading circumscribing said interior wall of said media chamber base.

Bilgewater purification device

Life of this patent

Bilgewater purification device

Life of this patent

Abstract

Claims16