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. 18, 2008
Filed:
Apr. 15, 2004
Soichi Sugino, Saitama, JP;
Tsukasa Takahashi, Saitama, JP;
Soichi Sugino, Saitama, JP;
Tsukasa Takahashi, Saitama, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
An automatic transmission comprises a planetary gear train (PG) including a sun gear (S) connected to a first main shaft (), a carrier (C) and a ring gear (R); a first gear train (G) including a first drive gear () connected to the ring gear (R), and a first driven gear () disposed rotatably over a countershaft () and meshed with the first drive gear (); a third gear train (G) including a third drive gear () disposed rotatably with respect to the carrier (C), and a third driven gear () connected to the countershaft () and meshed with the third drive gear (); a first brake (B) for holding the ring gear (R) stationary, a first clutch (C) for engaging/disengaging the first driven gear () to/from the countershaft (); a third clutch (C) for engaging/disengaging the third drive gear () to/from the carrier (C); and a fourth clutch (C) for bringing the sun gear (S) and the ring gear (R) into engagement/disengagement with each other.