US 2024/0093684 A1Published application

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

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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.

Claims4

Dependent claims

An outer ring for an oil pump, the outer ring comprising:

iron (Fe), chromium (Cr), molybdenum (Mo), manganese (Mn), sulfur (S), carbon (C), and copper (Cu).

Dependencies are inferred from the claim text.

Facts

Application: 18/509,959Filed 15 Nov 2023
Priority: KR 10-2021-010752113 Aug 2021
Published: 21 Mar 2024
Term ends: Not estimatedThe source records don’t support an estimate.

Classification22 codes

F04C 2/082
Of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing: details specially related to…
F04C 2/344
Having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members: with vanes reciprocating…
B22F 1/09
Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties: mixtures of metallic powders
B22F 3/16
Both compacting and sintering: in successive or repeated steps

Family

Application17/884,646Division · filed 10 Aug 2022
Application18/509,959Division
US 11,852,139 B2Related patent
US 12,196,206 B2Related patent
US 2023/0052262 A1Published application
US 2024/0093684 A1This patent

From the US filing history. Foreign family members aren’t listed.

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