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:
Jan. 10, 2023
Filed:
Jul. 17, 2019
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Sung Wook Jang, Suwon-si, KR;
Kihyup Kim, Hwaseong-si, KR;
Woo Jung Kim, Suwon-si, KR;
June Ho Lee, Seoul, KR;
Jin Seung Lim, Seoul, KR;
Seungwan Noh, Seoul, KR;
Youngho Moon, Seoul, KR;
Taegeun Kim, Seoul, KR;
Jaeyeol Yun, Gunpo-si, KR;
Jungwook Lee, Yongin-si, KR;
Chulwan Park, Hwaseong-si, KR;
Chi Hun Cho, Suwon-si, KR;
Gyu Chull Doh, Yongin-si, KR;
Kyoo Ho Lee, Seoul, KR;
Hyun Chul Kim, Suwon-si, KR;
Joung Chul Kim, Suwon-si, KR;
Hyun Duk Chang, Seoul, KR;
Jin Hee Lee, Seongnam-si, KR;
Yongho Jung, Suwon-si, KR;
Chang Yeon Cho, Seoul, KR;
Yun Seok Sung, Yongin-si, KR;
Hyeonjin Kim, Suwon-si, KR;
Joo Hang Lee, Yongin-si, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA MOTORS CORPORATION, Seoul, KR;
Abstract
An electric hydraulic pump for a transmission includes: a motor including a motor cover, a motor case coupled with the motor cover, and a stator and a rotor disposed within the motor cover and the motor case; and a pump including a pump case forming a pump chamber, and a gear rotor which is disposed within the pump chamber, connected with the rotor through a motor shaft and receives rotational power of the motor. In particular, a plurality of oil circulation holes are formed in the motor cover and a connecting hole is formed in the motor cover corresponding to the pump case, and an oil flow channel is formed within the pump case for connecting the connecting hole and an oil inlet of the pump chamber.