Filter Interface Security System
AssigneeCummins Filtration IP, Inc.
InventorAmit Dhingra
Life of this patent
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Abstract
A filter includes a replaceable filter element cartridge in a housing. A valve is actuatable between a first condition passing dirty fluid from the housing inlet to the filter cartridge for filtration, and a second condition blocking passage of the dirty fluid from the inlet to the filter cartridge. The filter cartridge and the valve engage in keyed relation, with the keying feature utilizing an identifier, e.g. a brand, a logo, etc., verifying authenticity of the filter cartridge.
Claims22
A filter comprising a housing having an inlet receiving dirty fluid to be filtered, and an outlet discharging clean filtered fluid after filtering, a filter cartridge in said housing, said filter cartridge having a dirty side receiving said dirty fluid from said inlet, and a clean side delivering filtered clean fluid to said outlet, a valve in said housing, said valve being actuatable between a first condition passing said dirty fluid from said inlet of said housing to said dirty side of said filter cartridge, and a second condition blocking passage of said dirty fluid from said inlet of said housing to said dirty side of said filter cartridge, wherein said filter cartridge and said valve engage in keyed relation in said housing.
A replacement filter cartridge for a filter having a housing with an inlet receiving dirty fluid to be filtered, and an outlet discharging clean filtered fluid after filtering, said filter cartridge being in said housing, said filter cartridge having a dirty side receiving said dirty fluid from said inlet, and a clean side delivering filtered clean fluid to said outlet, said housing having a valve actuatable between a first condition passing said dirty fluid from said inlet of said housing to said dirty side of said filter cartridge, and a second condition blocking passage of said dirty fluid from said inlet of said housing to said dirty side of said filter cartridge, wherein said filter cartridge and said valve engage in keyed relation in said housing.
Dependencies are inferred from the claim text.