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US 12,196,206 B2Granted
Outer ring for an oil pump and a method for manufacturing the same
AssigneesHyundai Motor Company, Kia Corporation, Myung Hwa Ind. Co., Ltd.
InventorsHak Soo Kim, Dong Sub Song, Jung Beom Koo
Life of this patent
Estimating the term…
Abstract
Disclosed are an outer ring for an oil pump having an increased number and size of open pores in a surface of a molded article and a method for manufacturing the outer ring.
Claims3
An outer ring for an oil pump, the outer ring comprising:
- 1.30 wt. % to 1.60 wt. % of chromium, 0.16 wt. % to 0.23 wt. % of molybdenum, 0.30 wt. % to 0.50 wt. % of manganese, 0.10 wt. % to 0.20 wt. % of sulfur, 0.51 wt. % to 0.70 wt. % of carbon, 1.81 wt. % to 2.22 wt. % of copper, and a balance of the iron.
Dependencies are inferred from the claim text.