# US 9,517,495 B1 · Automated system for flushing one or more motors > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,517,495 B1 - Document ID: US9517495B1 - Status: Granted - Kind: B1 - Application number: 15/056,233 - Filed: 2016-02-29 - Granted: 2016-12-13 - Earliest claimed: 2016-02-29 - Applicants: John Joseph Napurano; Daniel Grant Bigelow - Inventors: John Joseph Napurano; Daniel Grant Bigelow - Web page: https://patentgrep.com/patent/US9517495B1 ## CPC - F01P 3/205: {Flushing} - B08B 9/0325: {Control mechanisms therefor} - F01P 3/20: Cooling circuits not specific to a single part of engine or machine (F01P3/22 takes precedence) - F01P 11/0276: {Draining or purging} - F01P 2037/02: starting - F01P 2050/12: Outboard engine - Y10T 137/87877: Single inlet with multiple distinctly valved outlets - F01P: COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES (arrangements in connection with cooling of propulsion units in vehicles B60K11/00; heat-transfer, heat-exchange or heat-storage materials C09K5/00; {cooling of gas-turbine engines F02C7/12}; heat exchange in general, radiators F28) - B08B: CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract An automated flushing system includes a base having a flow inlet, flow outlets and a flow manifold, the system also including solenoid valves and a pressure switch mounted upon the manifold. The flow manifold includes a main flow channel connected to the flow inlet, and auxiliary flow channels interconnecting the main flow channel with respective ones of the flow outlets so as to provide flow communication in parallel to the flow outlets from the main flow channel. Each solenoid valve extends into a respective auxiliary flow channel and is actuatable between an activated status and a deactivated status to allow and block flow communication of liquid through the respective auxiliary flow channels to a flow outlet. The pressure switch in flow communication with the flow inlet is configured to sense that the pressure of liquid entering the flow inlet is above a preset minimum before initiation of automated flushing system operation. ## Claims ### Claim 1 An automated flushing system, comprising: a base comprising a flow inlet, a plurality of flow outlets, and a manifold comprising a main flow channel connected in flow communication with said flow inlet, and a plurality of auxiliary flow channels interconnecting said main flow channel with respective ones of said flow outlets so as to provide flow communication in parallel to said flow outlets from said main flow channel through respective ones of said auxiliary flow channels; a plurality of solenoid valves each mounted on said manifold so as to extend into a respective one of said auxiliary flow channels thereof, said each solenoid valve being actuatable between an activated status and a deactivated status to allow and block flow communication of a liquid through said respective one of said auxiliary flow channels to a respective one of said flow outlets; a pressure switch mounted on said manifold adjacent to and in flow communication with said flow inlet, said pressure switch being configured to sense the pressure of a liquid entering said main flow channel from said flow inlet being above a preset minimum pressure as a precondition to initiating operation of the automated flushing system; a cover having a bottom rim extending peripherally about said cover, said cover also having an inside surface defining a hollow interior, said cover being adapted to fit over said manifold of said base and enclose said pressure switch and said plurality of solenoid valves in said hollow interior with said bottom rim of said cover resting upon a bottom ledge extending peripherally about said base, wherein said base has a lip extending peripherally about said base and defined in a spaced relationship above said bottom ledge; and an O-ring seated upon said lip of said base such that when said bottom rim of said cover is resting upon said bottom ledge of said base a seal is formed between said inside surface of said cover and said O-ring. ### Claim 2 (depends on 1) The system as recited in claim 1 wherein said flow inlet of said base is defined at a first end of said base and respective ones of said flow outlets are defined at opposite sides of said base and at a second end of said base opposite to said first end. ### Claim 3 (depends on 2) The system as recited in claim 2 wherein said main flow channel at one end is connected to said flow inlet at said first end of said base and extends longitudinally of said base toward said second end of said base. ### Claim 4 (depends on 1) The system as recited in claim 1 wherein said manifold also comprises a plurality of cavities each paired with a respective one of said auxiliary flow channels, each of said cavities defining a respective flow-through orifice such that said flow communication provided by each of said auxiliary flow channels also passes through each of said orifices of said cavities paired with said respective one of auxiliary flow channels. ### Claim 5 (depends on 4) The system as recited in claim 4 wherein each of said solenoid valves has an upper portion extending above a respective one of said cavities and a lower portion extending into said respective one of said cavities and intersecting said flow-through orifice such that actuation of said upper portion of a respective one of said solenoid valves shifts said upper portion between the activated status and deactivated status and causes said lower portion to correspondingly open and close a respective one of said flow-through orifices. ### Claim 6 (depends on 1) The system as recited in claim 1 wherein said bottom rim of said cover has a plurality of recesses formed therein, said recesses being spaced apart and shaped to accommodate said flow inlet and plurality of flow outlets of said base such that when said bottom rim of said cover rests upon said bottom ledge of said base said bottom rim of said cover overlies said flow inlet and plurality of flow outlets of said base. ### Claim 7 (depends on 1) The system as recited in claim 1 further comprising a master unit and a slave unit, each of said units incorporating said base and at least some of said plurality of solenoid valves, said units being coupled to one another in a series relationship such that said flow inlet at one end of said slave unit serves as an inlet for said units and one of said flow outlets of said slave unit at an opposite end from said one end is coupled to said flow inlet of said master unit, and wherein said pressure switch is only incorporated in said master unit for sensing the pressure of the liquid entering said main flow channel from said flow inlet of said master unit being above said preset minimum pressure as a precondition to initiating operation of said automated flushing system. ### Claim 8 An automated flushing system, comprising: a base comprising a flow inlet, a plurality of flow outlets, and a manifold comprising a main flow channel connected in flow communication with said flow inlet, and a plurality of auxiliary flow channels interconnecting said main flow channel with respective ones of said flow outlets so as to provide flow communication in parallel to said flow outlets from said main flow channel through respective ones of said auxiliary flow channels; a plurality of solenoid valves each mounted on said manifold so as to extend into a respective one of said auxiliary flow channels thereof, said each solenoid valve being actuatable between an activated status and a deactivated status to allow and block flow communication of a liquid through said respective one of said auxiliary flow channels to a respective one of said flow outlets; a pressure switch mounted on said manifold adjacent to and in flow communication with said flow inlet, said pressure switch being configured to sense the pressure of a liquid entering said main flow channel from said flow inlet being above a preset minimum pressure as a precondition to initiating operation of the automated flushing system; a cover having an inside surface defining a hollow interior and being adapted to fit over said manifold of said base and enclose said pressure switch and said plurality of solenoid valves in said hollow interior with said cover resting upon said base; a control panel coupled to said pressure switch and said solenoid valves for actuating each of said solenoid valves to the activated status to initiate operation of the automated flushing system in response to said pressure switch sensing the pressure of liquid entering said main flow channel from said flow inlet being above said preset minimum pressure; a bottom rim extending peripherally about said cover and adapted to rest upon a bottom ledge extending peripherally about said base, wherein said bottom rim of said cover has a plurality of recesses formed therein, said recesses being spaced apart and shaped to accommodate said flow inlet and plurality of flow outlets of said base such that when said bottom rim of said cover rests upon said bottom ledge of said base said bottom rim of said cover overlies said flow inlet and plurality of flow outlets of said base and wherein said base has a lip extending peripherally about said base and defined in a spaced relationship above said bottom ledge; and an O-ring seated upon said lip of said base such that when said bottom rim of said cover is resting upon said bottom ledge of said base a seal is formed between said inside surface of said cover and said O-ring. ### Claim 9 (depends on 8) The system as recited in claim 8 wherein said flow inlet of said base is defined at a first end of said base and respective ones of said flow outlets are defined at opposite sides of said base and at a second end of said base opposite to said first end; and wherein said main flow channel at one end is connected to said flow inlet at said first end of said base and extending longitudinally of said base toward said second end of said base. ### Claim 10 (depends on 8) The system as recited in claim 8 wherein said manifold also comprises a plurality of cavities each paired with a respective one of said auxiliary flow channels, each of said cavities defining a respective flow-through orifice such that said flow communication provided by each of said auxiliary flow channels also passes through each of said orifices of said cavities paired with said respective one of auxiliary flow channels. ### Claim 11 (depends on 10) The system as recited in claim 10 wherein each of said solenoid valves has an upper portion extending above a respective one of said cavities and a lower portion extending into said respective one of said cavities and intersecting said flow-through orifice such that actuation of said upper portion of a respective one of said solenoid valves shifts said upper portion between the activated status and deactivated status and causes said lower portion to correspondingly open and close a respective one of said flow-through orifices. ### Claim 12 (depends on 8) The system as recited in claim 8 further comprising a master unit and a slave unit, each of said units incorporating said base, said cover and at least some of said plurality of solenoid valves, said units being coupled to one another in a series relationship such that said flow inlet at one end of said slave unit serves as an inlet for said units and one of said flow outlets of said slave unit at an opposite end from said one end is coupled to said flow inlet of said master unit; and wherein said pressure switch and said control panel coupled to said pressure switch are only incorporated in said master unit for actuating each of said solenoid valves to the activated status to initiate operation of the automated flushing system in response said pressure switch sensing the pressure of the liquid entering said main flow channel from said flow inlet of said master unit being above said preset minimum pressure. ### Claim 13 An automated flushing system, comprising: a base comprising a flow inlet, a plurality of flow outlets, and a manifold comprising a main flow channel connected in flow communication with said flow inlet, and a plurality of auxiliary flow channels interconnecting said main flow channel with respective ones of said flow outlets so as to provide flow communication in parallel to said flow outlets from said main flow channel through respective ones of said auxiliary flow channels; a plurality of solenoid valves each mounted on said manifold so as to extend into a respective one of said auxiliary flow channels thereof, said each solenoid valve being actuatable between an activated status and a deactivated status to allow and block flow communication of a liquid through said respective one of said auxiliary flow channels to a respective one of said flow outlets; a pressure switch mounted on said manifold adjacent to and in flow communication with said flow inlet, said pressure switch being configured to sense the pressure of a liquid entering said main flow channel from said flow inlet being above a preset minimum pressure as a precondition to initiating operation of the automated system; a cover having an inside surface defining a hollow interior and being adapted to fit over said manifold of said base and enclose said pressure switch and said plurality of solenoid valves in said hollow interior with said cover resting upon said base, wherein said cover has a bottom rim extending peripherally about said cover and adapted to rest upon a bottom ledge extending peripherally about said base; and wherein said bottom rim of said cover has a plurality of recesses formed therein, said recesses being spaced apart and shaped to accommodate said flow inlet and plurality of flow outlets of said base such that when said bottom rim of said cover rests upon said bottom ledge of said base said bottom rim of said cover overlies said flow inlet and plurality of flow outlets of said base, and also wherein said base has a lip extending peripherally thereabout and defined in a spaced-apart relationship above said bottom ledge; an O-ring seated upon said lip of said base such that when said bottom rim of said cover is resting upon said bottom ledge of said base, a seal is created between said inside surface of said cover and said O-ring; a timer control coupled to said solenoid valves for actuating each of said solenoid valves to the activated status in accordance with a preset sequence; and a start switch being actuatable to initiate operation of the automated flushing system in accordance with said preset sequence of said activated status of said solenoid valves in response to said pressure switch sensing the pressure of the liquid entering said main flow channel from said flow inlet to be above said preset minimum pressure. ### Claim 14 (depends on 13) The system as recited in claim 13 wherein said flow inlet of said base is defined at a first end of said base and respective ones of said flow outlets are defined at opposite sides of said base and at a second end of said base opposite to said first end; and wherein said main flow channel at one end is connected to said flow inlet at said first end of said base and extending therefrom longitudinally of said base toward said second end of said base. ### Claim 15 (depends on 13) The system as recited in claim 13 wherein said manifold also comprises a plurality of cavities each paired with a respective one of said auxiliary flow channels, each of said cavities defining a respective flow-through orifice such that said flow communication provided by each of said auxiliary flow channels also passes through each of said orifices of said cavities paired with said respective one of auxiliary flow channels. ### Claim 16 (depends on 15) The system as recited in claim 15 wherein each of said solenoid valves has an upper portion extending above a respective one of said cavities and a lower portion extending into said respective one of said cavities and intersecting said flow-through orifice such that actuation of said upper portion of a respective one of said solenoid valves shifts said upper portion between the activated status and deactivated status and causes said lower portion to correspondingly open and close a respective one of said flow-through orifices.