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. 29, 2026
Filed:
Jun. 27, 2023
Yanmar Holdings Co., Ltd., Osaka, JP;
Satoshi Kitahara, Chikugo, JP;
YANMAR HOLDINGS CO., LTD., Osaka, JP;
Abstract
A hydraulic excavator provided as an electric work machine includes an electric motor, an electric instrument connected to the electric motor via a power supply path, a first heat exchanger that cools a refrigerant passing through the electric instrument, a hydraulic pump driven by the electric motor and discharges a hydraulic oil, a second heat exchanger that cools the hydraulic oil, a fan, and first and second flow paths. The first flow path has a first flow path one-end-side opening at one end thereof. The second flow path has a second flow path one-end-side opening at one end thereof. The first flow path one-end-side opening is located at the flow path of wind generated by driving the fan and crossing the first heat exchanger. The second flow path one-end-side opening is located at the flow path of wind generated by driving the fan and crossing the second heat exchanger.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile