US 11,680,500 B2
Oil filter with impending and full-bypass indicators
Scott David Poster, Arlington, TX (US)
Assigned to TEXTRON INNOVATIONS INC., Providence, RI (US)
Filed by Bell Textron Inc., Forth Worth, TX (US)
Filed on Feb. 1, 2021, as Appl. No. 17/164,136.
Application 17/164,136 is a division of application No. 15/705,803, filed on Sep. 15, 2017, granted, now 10,941,683.
Claims priority of provisional application 62/423,371, filed on Nov. 17, 2016.
Claims priority of provisional application 62/399,097, filed on Sep. 23, 2016.
Prior Publication US 2021/0254518 A1, Aug. 19, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. F01M 11/10 (2006.01); B01D 35/143 (2006.01); B64C 27/12 (2006.01); F16H 57/04 (2010.01); F01M 1/10 (2006.01); F01M 11/03 (2006.01); F16N 29/00 (2006.01)
CPC F01M 11/10 (2013.01) [B01D 35/143 (2013.01); B64C 27/12 (2013.01); F01M 1/10 (2013.01); F01M 11/03 (2013.01); F16H 57/0404 (2013.01); F16H 57/0405 (2013.01); F16N 29/00 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A removable oil filter system, comprising:
an oil filter mount;
an oil filter element removably connected to the oil filter mount;
an oil pressure regulator in fluid communication with the oil filter element and the oil, wherein the oil pressure regulator comprises a temperature bulb, an oil pressure transducer, and first and second transfer tubes, wherein the first transfer tube is an oil output and the second transfer tube is an oil flow bypass;
an impending-bypass indicator connected to the oil filter mount and in fluid communication with an oil in the oil filter system, wherein the impending-bypass indicator is capable of reporting an impending-bypass condition of the oil filter system; and
a full-bypass indicator in fluid communication with the oil filter mount and capable of reporting a full-bypass condition of the oil filter system.