US 12,128,332 B2
Retrofittable no filter no run filtration system
Pravin Shantinath Kadam, Maharashtra (IN); Sudhindra Palaxa Arakeri, Shahapur (IN); Kevin C. South, Cookeville, TN (US); and Ismail C. Bagci, Cookeville, TN (US)
Assigned to Cummins Filtration IP, Inc., Columbus, IN (US)
Filed by Cummins Filtration IP, Inc., Columbus, IN (US)
Filed on Apr. 23, 2021, as Appl. No. 17/238,484.
Application 17/238,484 is a continuation of application No. 16/081,332, granted, now 10,987,614, previously published as PCT/US2017/021126, filed on Mar. 7, 2017.
Claims priority of provisional application 62/305,273, filed on Mar. 8, 2016.
Claims priority of application No. 201620390745.8 (CN), filed on May 3, 2016.
Prior Publication US 2021/0236966 A1, Aug. 5, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 29/96 (2006.01); B01D 29/21 (2006.01); B01D 35/153 (2006.01); F02M 37/22 (2019.01)
CPC B01D 29/96 (2013.01) [B01D 29/21 (2013.01); B01D 35/153 (2013.01); F02M 37/22 (2013.01); B01D 2201/0415 (2013.01); B01D 2201/4046 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A no filter no run attachment, comprising:
a shell defining a fluid passage from an upstream fluid aperture at a first end for fluid receiving communication with a filtration cartridge to a downstream fluid aperture at a second end, the shell sized and shaped for coupling to a fluid pump inlet such that the fluid pump inlet is annularly disposable about an outer circumference of the shell,
the first end of the shell defining at least one snap aperture and a pin aperture sized to receive a pin from the filtration cartridge;
a cage disposed within the shell, the cage comprising a divider and at least one snap protrusion,
the divider segmenting the fluid passage into an upstream portion that comprises the first end of the shell and a downstream portion that comprises the second end of the shell, the divider defining an internal aperture that allows fluid communication between the upstream portion and the downstream portion,
the at least one snap protrusion disposed through the at least one snap aperture such that the cage is secured in the shell by a snap fit of the at least one snap protrusion in the at least one snap aperture; and
a ball disposed in the upstream portion in fluid flow receiving communication with the upstream fluid aperture, the ball having a greater diameter than a diameter of the internal aperture such that an operative engagement of the ball with the divider within the internal aperture blocks fluid communication between the upstream portion and the downstream portion.