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:
Sep. 28, 2021
Filed:
Apr. 22, 2019
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Sang Hyun Jeong, Hwaseong-si, KR;
Hak Sung Lee, Hwaseong-si, KR;
Seong Hwan Kim, Hwaseong-si, KR;
Dae Won Yang, Seongnam-si, KR;
Gyeong Cheol Kim, Hwaseong-si, KR;
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Abstract
A limp-home control method for a hybrid vehicle may include: a fault determination step for determining, by a controller, whether a solenoid valve battery short circuit fault occurs in a transmission; a first limp-home step for controlling, by the controller, solenoid valves to implement a limp-home gear stage while maintaining a state where power is suppliable to the solenoid valves involved in shifting gears when it is determined that the solenoid valve battery short circuit fault exists; an engine necessity verification step for verifying, by the controller, whether engagement of an engine clutch is needed; and a second limp-home step for driving, by the controller, a solenoid valve controlling the engine clutch to engage the engine clutch, implementing limp-home driving by engine power when the engagement of the engine clutch is needed.