US 12,134,054 B2
Filter system and replaceable filter cartridge
Michael J. Lucas, Mooresville, NC (US); Christopher Leamon, Concord, NC (US); and Daniel Patrick McGuinness, Charlotte, NC (US)
Assigned to Ingersoll-Rand Industrial U.S., Inc., Davidson, NC (US)
Filed by Ingersoll-Rand Industrial U.S., Inc., Davidson, NC (US)
Filed on Nov. 30, 2023, as Appl. No. 18/524,410.
Application 18/524,410 is a division of application No. 17/699,556, filed on Mar. 21, 2022, granted, now 11,865,481.
Application 17/699,556 is a division of application No. 16/229,739, filed on Dec. 21, 2018, granted, now 11,331,610, issued on May 17, 2022.
Prior Publication US 2024/0165550 A1, May 23, 2024
Int. Cl. B01D 46/00 (2022.01); B01D 46/24 (2006.01); F01M 11/03 (2006.01); F04C 29/02 (2006.01); F04D 29/70 (2006.01)
CPC B01D 46/0015 (2013.01) [B01D 46/0005 (2013.01); B01D 46/0045 (2013.01); B01D 46/2414 (2013.01); F01M 2011/038 (2013.01); F04C 29/026 (2013.01); F04D 29/701 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus comprising:
an oil filter assembly structured to remove oil from a mixed flow of compressed air and oil, the oil filter assembly having:
a combo-block base which includes a combo-block drain line for the receipt of oil removed from the mixed flow by action of the oil filter assembly;
a frusta-conical shaped mesh holder having an open interior extending between a first base of the frusta-conical shape and an opposing second base of the frusta-conical shape, the mesh holder further including an annular well defined in the first end which is structured to receive a wire mesh filter component, the mesh holder further including at least one oil passage that extends from the annular well to the open interior; and
a stand-pipe extending from the open interior and away from the first end.