Patent ID: 11865481
Assignee: INGERSOLL-RAND INDUSTRIAL U.S., INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B  F | IPC B  F

Claim 16:
17. An apparatus comprising:
a filter cartridge having a filter media that extends along an axial direction of the filter cartridge, the filter media configured to remove lubricant entrained in a flow of compressed gas; and
an end cap connected at a first axial end of the filter media to enclose an open interior of the filter media,
wherein the end cap includes an arcing groove on an inside surface of the end cap, the annular-shaped arcing groove defined between an inner groove wall and an outer groove wall, where a distance between the inner groove wall and the outer groove wall is sized to fit the filter media and a secondary filter media, and wherein the end cap is defined by a peripheral boundary and has a blunted protrusion extending from an interior of the peripheral boundary, the blunted protrusion configured to contact an inner surface of a filter housing to provide a positive pressure to the filter cartridge, and wherein the end cap is chemically bonded to the filter media.