Andrew Delia Christian

US Patent:

7481730, Jan 27, 2009

Filed:

Oct 24, 2006

Appl. No.:

11/552207

Inventors:

R. Alex Pesiridis - Clearwater FL, US
Andrew J. Christian - Gainesville FL, US

Assignee:

Solomon Technologies, Inc. - Tarpon Springs FL

International Classification:

F16H 3/72

US Classification:

475 5

Abstract:

A multiple input, dual output, electric motor transmission device includes a ring gear and a ring gear motor for driving the ring gear. A first planetary gear set is engaged to the ring gear for geared rotation with respect to the ring gear and a first sun gear is engaged to the first planetary gear set for geared rotation with respect to the first planetary gear set. A first output shaft and a first electric motor are provided, wherein the first output shaft is coupled to a first one of the first planetary gear set and the first sun gear and a rotor of the first electric motor is coupled to a second one of the first planetary gear set and the first sun gear. A second planetary gear set, similar to the first planetary gear set, is also engaged to the ring gear for geared rotation with respect to the ring gear.