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.

Date of Patent:
Jan. 21, 2003

Filed:

Jul. 12, 2001
Applicant:
Inventor:

Yasuo Kima, Wako, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 3/44 ;
U.S. Cl.
CPC ...
F16H 3/44 ;
Abstract

In a transmission which transmits a power from an electrical motor to a countershaft with a speed change, a drive side rotating member which is coupled to a main shaft experiences a rotational change along with the main shaft when a shift from a first speed ratio to a second speed ratio is executed, and an intermediate rotating member experiences a rotational change in a direction opposite to that of the drive side rotating member when the shift is executed. In this transmission, the ratio of the rotational inertia of the drive side rotating member to the rotational inertia of the intermediate rotating member equals the reciprocal of the ratio of the rotational change of the drive source to the rotational change of the intermediate rotating member, the rotational changes being experienced during the shift.


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