Invention Application
- Patent Title: HYBRID VEHICLE CONTROL METHOD
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Application No.: US17524147Application Date: 2021-11-11
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Publication No.: US20220307526A1Publication Date: 2022-09-29
- Inventor: Bong Uk Bae , Seong Min Son , Se Hwan Jo , Kyung Moo Lee
- Applicant: Hyundai Motor Company , Kia Corporation
- Applicant Address: KR Seoul; KR Seoul
- Assignee: Hyundai Motor Company,Kia Corporation
- Current Assignee: Hyundai Motor Company,Kia Corporation
- Current Assignee Address: KR Seoul; KR Seoul
- Priority: KR10-2021-0038204 20210324
- Main IPC: F15B15/20
- IPC: F15B15/20

Abstract:
A hybrid vehicle control method includes: monitoring an electric oil pump (EOP) driving current in which an EOP is being driven at a predetermined target RPM, and determining whether the EOP driving current is in a predetermined reference range in which it possible to estimate a situation in which the EOP suctions air; determining whether a measured hydraulic pressure at a place receiving oil supplied by the EOP is less than reference hydraulic pressure when the EOP driving current is in the predetermined reference range; and temporarily decreasing line pressure and increasing an RPM of the EOP.
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