The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2025
Filed:
Dec. 26, 2023
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Hyundai Steel Company, Incheon, KR;
In Beom Lee, Goyang-si, KR;
Min Woo Kang, Yongin-si, KR;
Min Woo Kang, Incheon, KR;
Dong Hwi Kim, Yongin-si, KR;
Chang Won Kang, Hwaseong-si, KR;
Myung Sik Kim, Daegu, KR;
Sung Min Hong, Seoul, KR;
Gung Seung Nam, Cheonan-si, KR;
Sang Won Lee, Asan-si, KR;
Abstract
A steel for a gear includes, based on a total weight of the steel: C: 0.10-0.30 wt %, Si: 0.60-0.80 wt %, Mn: 0.25-0.75 wt %, Cr: 1.80-2.20 wt %, Ni: 0.50-1.50 wt %, Mo: 0.20-0.40 wt %, Nb: 0.025-0.050 wt %, V: 0.030-0.050 wt %, and a balance of Fe and inevitable impurities, wherein contents of Nb and V satisfy the following <Relationship Formula 1>:0.055<[Nb]+[V]<0.100 <Relationship Formula 1>,