US 11,913,363 B2
Method for manufacturing a piston indicator for a camshaft
Tilo Hentschel, Hattenhofen (DE); Mathias Rummel, Rechberghausen (DE); and Christoph Steinmetz, Ludwigsburg (DE)
Assigned to Mahle International GmbH, (DE)
Filed by MAHLE International GmbH, Stuttgart (DE)
Filed on Jun. 20, 2023, as Appl. No. 18/211,976.
Claims priority of application No. 10 2022 206 134.9 (DE), filed on Jun. 20, 2022.
Prior Publication US 2023/0407769 A1, Dec. 21, 2023
Int. Cl. F01L 1/04 (2006.01); B21D 53/26 (2006.01); F01L 1/047 (2006.01)
CPC F01L 1/047 (2013.01) [B21D 53/264 (2013.01); F01L 2301/00 (2020.05); F01L 2303/00 (2020.05)] 20 Claims
OG exemplary drawing
 
1. A method for manufacturing a position indicator sensor wheel for a camshaft, wherein the position indicator comprises an axially extending passage for connecting to the camshaft and at least one radially projecting tooth, the method comprising:
providing a sheet from a sheet material,
introducing the passage into the sheet, and
roughening a radial inner surface of the passage in at least one rough portion.