US 10,890,510 B2
System and method for on-engine component defect detection
Scott Saum, Columbus, IN (US); Marc E. Smith, Charlestown, IN (US); Jeffrey T. Galarno, Columbus, IN (US); Michael T. Stanley, Columbus, IN (US); and Eric C. Proehl, Seymour, IN (US)
Assigned to Cummins Inc., Columbus, IN (US)
Appl. No. 16/761,385
Filed by Cummins Inc., Columbus, IN (US)
PCT Filed Jun. 11, 2018, PCT No. PCT/US2018/036819
§ 371(c)(1), (2) Date May 4, 2020,
PCT Pub. No. WO2019/089089, PCT Pub. Date May 9, 2019.
Claims priority of provisional application 62/582,034, filed on Nov. 6, 2017.
Prior Publication US 2020/0363293 A1, Nov. 19, 2020
Int. Cl. G01M 15/04 (2006.01); F02F 7/00 (2006.01); G01N 27/87 (2006.01); F16C 3/06 (2006.01); F16C 7/00 (2006.01)
CPC G01M 15/042 (2013.01) [F02F 7/0053 (2013.01); G01N 27/87 (2013.01); F16C 3/06 (2013.01); F16C 7/00 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A device for identifying defects in a crankshaft while the crankshaft is installed on an engine, comprising:
a housing configured to attach to a connecting rod;
at least one sensor assembly mounted to the housing including at least one sensor; and
a spring disposed between the housing and the at least one sensor to urge the at least one sensor into contact with a pin journal of the crankshaft as the crankshaft rotates.