US 10,557,519 B2
Automotive flywheel with fins to increase airflow through clutch, and heat management method
Ross A. McCombs, Oskaloosa, IA (US)
Assigned to Accel Performance Group LLC, Bowling Green, KY (US)
Filed by Accel Performance Group LLC, Bowling Green, KY (US)
Filed on May 3, 2017, as Appl. No. 15/585,814.
Application 15/585,814 is a continuation of application No. 15/338,573, filed on Oct. 31, 2016, granted, now 9,739,343.
Application 15/338,573 is a continuation of application No. 13/358,781, filed on Jan. 26, 2012, granted, now 9,482,308, issued on Nov. 1, 2016.
Claims priority of provisional application 61/436,404, filed on Jan. 26, 2011.
Prior Publication US 2017/0234402 A1, Aug. 17, 2017
Int. Cl. F16F 15/30 (2006.01); F16D 13/72 (2006.01); B23P 15/14 (2006.01)
CPC F16F 15/302 (2013.01) [B23P 15/14 (2013.01); F16D 13/72 (2013.01); F16F 15/30 (2013.01); F16D 2300/021 (2013.01); F16F 2226/00 (2013.01); Y10T 74/2132 (2015.01)] 19 Claims
OG exemplary drawing
 
1. A method of manufacturing an engine flywheel for cooling a clutch assembly operably connected to the flywheel, comprising:
providing a cylindrical engine flywheel having an engine side configured to be positioned adjacent an engine, and a clutch side configured to be positioned adjacent a clutch assembly;
forming an aperture through the flywheel for operably attaching the flywheel to the engine; and,
forming a plurality of clutch fins on the clutch side of the flywheel to cool the clutch assembly as the flywheel spins, the plurality of clutch fins having a face that is coplanar with the clutch side of the flywheel and wherein said face of each clutch fin has a surface area that is greater than a surface area of a bottom surface of a groove between two adjacent of said fins.