US 9,808,744 B2
Three-part end cap and filter element including same
Timothy L. Krull, Kearney, NE (US)
Assigned to Baldwin Filters, Inc., Kearney, NE (US)
Filed by Timothy L. Krull, Kearney, NE (US)
Filed on Dec. 27, 2013, as Appl. No. 14/142,077.
Claims priority of provisional application 61/749,028, filed on Jan. 4, 2013.
Prior Publication US 2014/0190880 A1, Jul. 10, 2014
Int. Cl. B01D 27/08 (2006.01); B01D 29/11 (2006.01); B01D 29/21 (2006.01); B01D 29/96 (2006.01); B01D 46/24 (2006.01)
CPC B01D 29/114 (2013.01) [B01D 29/111 (2013.01); B01D 29/21 (2013.01); B01D 29/96 (2013.01); B01D 46/2414 (2013.01); B01D 2201/295 (2013.01); B01D 2201/347 (2013.01); B01D 2201/4053 (2013.01); B01D 2271/02 (2013.01); Y10T 29/49904 (2015.01)] 14 Claims
OG exemplary drawing
 
1. An end cap for a filter element comprising:
a first annular component;
a second annular component secured to the first component, the first and second annular components defining a radially directed flow path therebetween;
an outer seal defining a radially outward directed sealing surface and a secondary sealing surface;
an outer seal carrier defined in part by the first annular component and in part by the second annular component, the outer seal carrier axially securing the outer seal therein and configured to expose the radially outward directed sealing surface of the outer seal, the outer seal carrier defining a first sealing surface, the secondary sealing surface of the outer seal sealingly contacting the first sealing surface of the outer seal carrier;
further comprising:
at least one axially extending lock detent extending axially outward from a top side of the first annular component;
at least one housing key configured to secure the second annular component to a filter housing and prevent angular rotation between the second annular component and the filter housing;
a clocking arrangement between the first and second annular components angularly locating the at least one axially extending lock detent relative to the at least one housing key;
at least one radially outward extending ejection tab secured to the first annular component;
wherein the clocking arrangement between the first and second annular components angularly locates the at least one radially outward extending ejection tab relative to the at least one housing key during assembly: and
wherein the clocking arrangement is positioned radially inward of the outer seal carrier.