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:
Mar. 22, 2022
Filed:
Jun. 30, 2020
Applicant:
Kubota Corporation, Osaka, JP;
Inventors:
Masaru Kawane, Osaka, JP;
Sumio Yagyu, Osaka, JP;
Takao Nakagawa, Osaka, JP;
Yukifumi Yamanaka, Osaka, JP;
Go Takaki, Osaka, JP;
Assignee:
KUBOTA CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 9/02 (2006.01); H02J 4/00 (2006.01); A01C 17/00 (2006.01);
U.S. Cl.
CPC ...
H02P 9/02 (2013.01); H02J 4/00 (2013.01); A01C 17/001 (2013.01);
Abstract
A working machine includes: a first generator having: a rotor to be rotated by power from a PTO shaft; a rotor coil provided to the rotor; and a stator coil to generate electricity when magnetizing current is applied to the rotor coil; a working device to be operated by the electricity generated by the first generator; and a converter device to convert surplus electricity not consumed by the working device into the magnetizing current to be applied to the rotor coil.