美國
US 12,703,048 B2
System and method for cracking a connecting rod
US 12,703,048 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-11。申請人：Toyota Jidosha Kabushiki Kaisha; Toyota Motor Engineering & Manufacturing North America, Inc.。PDF 可在本頁下載，未登入每天最多 5 篇。
- 申請人
- Toyota Jidosha Kabushiki Kaisha; Toyota Motor Engineering & Manufacturing North America, Inc.
- 發明人
- Craig Allen Buchanan; Adam Joseph Haynes; Toshiki Fujikawa; Yasuhiro Waki; Yuya Fukaya
- 公開日
- 2026-08-11
- 申請日
- 2022-07-28
- 文件種類
- B2 核准公告
- 也寫作
- US 12,703,048 B2 · US12703048 · 12703048
摘要
A method for creating a cracking line in a connecting rod includes etching, using a first pass of a laser, a groove in an inner surface of a larger bore of a connecting rod by removing material from the inner surface. The groove may be discontinuous and include a plurality of holes that are spaced apart and have different depths. The method further includes removing more material from the groove using a second pass of the laser to increase the depths of the holes, thereby increasing the stress concentration factor of the groove.
這裡只列摘要開頭，完整內容在 PDF 裡。
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專利局網站： 美國專利商標局（USPTO）