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:
May. 26, 2015
Filed:
Aug. 19, 2011
Satoru Kaneko, Naka, JP;
Takashi Ikimi, Hitachi, JP;
Hidekazu Moriki, Hitachinaka, JP;
Noritaka Ito, Ushiku, JP;
Hiroaki Yanagimoto, Kasumigaura, JP;
Toru Kikuchi, Inashiki, JP;
Toshio Kotaka, Ryugasaki, JP;
Satoru Kaneko, Naka, JP;
Takashi Ikimi, Hitachi, JP;
Hidekazu Moriki, Hitachinaka, JP;
Noritaka Ito, Ushiku, JP;
Hiroaki Yanagimoto, Kasumigaura, JP;
Toru Kikuchi, Inashiki, JP;
Toshio Kotaka, Ryugasaki, JP;
HITACHI CONSTRUCTION MACHINERY CO., LTD., Tokyo, JP;
Abstract
[Problem] To provide a hybrid work vehicle which is simple in configuration, good in ease of mounting on a vehicle and capable of efficiently transmitting motive power. [Solution] The hybrid work vehicle includes: an engine (); a hydraulic pump () which is driven by the engine; a work device () which is disposed at the front of the vehicle and performs work using the hydraulic pump as a drive source; a motor/generator () which generates electric power by use of the torque of the engine; and a travel drive device which causes the vehicle to travel by rotating and driving wheels by use of the electric power generated by the motor/generator. The hybrid work vehicle is steered while the vehicle bends by way of a center joint (). The travel drive device includes: a plurality of electric motors (and); and a propeller shaft () which is linked with the plurality of electric motors and transmits motive power from the plurality of electric motors to the wheels. The plurality of electric motors are disposed at the front and rear sides of the center joint with the center joint being disposed therebetween.