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. 14, 2002
Filed:
Apr. 27, 2000
Brian E. Parrish, Garden Grove, CA (US);
TRW Inc., Lyndhurst, OH (US);
Abstract
A continuously variable transmission ( ) comprises first and second planetary gear sets ( and ). Each of the first and second planetary gear sets ( and ) includes a sun gear member ( ), a ring gear member ( ), at least one planet gear ( ) meshing with the sun gear member and with the ring gear member, and a planet gear carrier member ( ). The at least one planet gear ( ) is rotatably mounted to the planet gear carrier member ( ). A first drive ( ) drivingly connects a first one ( ) of the members of the first planetary gear set ( ) and a first one ( ) of the members of the second planetary gear set ( ). A second drive ( ) drivingly connects a second one ( ) of the members of the first planetary gear set ( ) and a second one ( ) of the members of the second planetary gear set ( ). A third drive ( ) is drivingly connected with a third one ( ) of the members of the first planetary gear set ( ). A fourth drive ( ) is drivingly connected with a third one ( ) of the members of the second planetary gear set ( ).