US 11,712,645 B2
Filter interconnect utilizing correlated magnetic actuation for downstream system function
Robert Astle, Middlefield, CT (US); William Li, Pittsburgh, PA (US); Garett Strandemo, Evansville, IN (US); and Matthew W. Hartmann, Evansville, IN (US)
Assigned to KX Technologies LLC, West Haven, CT (US)
Filed by KX Technologies, LLC, West Haven, CT (US)
Filed on May 18, 2020, as Appl. No. 16/876,766.
Claims priority of provisional application 63/023,600, filed on May 12, 2020.
Claims priority of provisional application 62/849,525, filed on May 17, 2019.
Prior Publication US 2020/0360931 A1, Nov. 19, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 29/96 (2006.01); H01H 3/50 (2006.01); B01D 29/31 (2006.01); B01D 35/30 (2006.01); H01H 36/00 (2006.01)
CPC B01D 29/96 (2013.01) [B01D 29/31 (2013.01); B01D 35/306 (2013.01); H01H 3/503 (2013.01); H01H 36/0073 (2013.01); B01D 2201/16 (2013.01); B01D 2201/291 (2013.01); B01D 2201/301 (2013.01); B01D 2201/303 (2013.01); B01D 2201/4023 (2013.01); B01D 2201/4053 (2013.01); B01D 2201/4069 (2013.01); B01D 2201/4092 (2013.01); H01H 2036/0093 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A filtration system comprising:
a filter manifold including:
a sump;
an electronic switch assembly comprising a circuit actuable between open and closed positions, the switch assembly axially disposed with respect to the sump; and
a first correlated magnet operably coupled to the switch assembly, the first correlated magnet comprising a plurality of magnetic field emission sources having positions and polarities relating to a predefined spatial force function that corresponds to a predetermined alignment of the plurality of magnetic field emission sources; and
a filter cartridge including:
a housing having a body;
a filter media disposed with the housing body;
a filter head forming a fluid-tight seal with the body; and
a complementary or paired second correlated magnet disposed within or connected to the filter head and having a face oriented parallel to a top surface thereof, the second correlated magnet rotatable with the filter cartridge;
wherein the first and second correlated magnets are interconnected via magnetic communication upon insertion of the filter cartridge into the sump housing, and upon rotation of the filter cartridge into an alignment position, the first correlated magnet translates axially with respect to a longitudinal axis of the sump as a result of the magnetic communication to contact an actuator to activate the switch.