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:
Dec. 20, 2011
Filed:
Nov. 07, 2006
Masakatsu Matsubara, Mie, JP;
Yasuo Hirano, Mie, JP;
Takashi Hanai, Mie, JP;
Motoyasu Mochizuki, Aichi, JP;
Masakatsu Matsubara, Mie, JP;
Yasuo Hirano, Mie, JP;
Takashi Hanai, Mie, JP;
Motoyasu Mochizuki, Aichi, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Industrial Products Manufacturing Corporation, Mie-gun, JP;
Abstract
A rotor for an electric rotating machine includes d-axis through holes located on respective d-axes, hollow shafts formed in both axial sides of a rotating shaft not inserted into a rotor core, presser plates mounted on both axial ends of the rotor core, cooling grooves formed in faces of the presser plates in contact with the rotor core, a plurality of presser plate refrigerant outlet holes in the presser plates, the presser plate refrigerant outlet holes of one of the presser plates having diameters different from diameters of the presser plate refrigerant outlet holes of one of the other presser plates, and a refrigerant channel formed so that a refrigerant supplied into one of the hollow shafts of the rotating shaft flows through the refrigerant channel and further through the hollow shaft wall hole of said one hollow shaft and the radial grooves of the respective presser plates.