ELECTRIC DRIVE MOTOR AXLE WITH INTEGRATED REDUCTION AND DIFFERENTIAL GEARSET

Title:

ELECTRIC DRIVE MOTOR AXLE WITH INTEGRATED REDUCTION AND DIFFERENTIAL GEARSET

Document Type and Number:

WIPO Patent Application WO2002072375

Kind Code:

A3

Abstract:

A drive axle (32) adapted for use in hybrid vehicles and having an electric motor (58) and a gearbox (68) packaged within a common housing assembly (50). The gearbox (68) includes a differential assembly (72) driven by a planetary-type reduction unit (70). The reduction unit (70) includes a first planetary gearset having a first sun gear (74) driven by the motor (58), a first ring gear (76), and a set of first planet gears (80) meshed with the first sun gear (74) and the first ring gear (76). A first planet carrier (78) is non-rotatably fixed to a stationary number and rotatably supports the first planet gears (80). A second planet gearset includes a second sun gear (90) fixed for rotation with the first ring gear (76), a second ring gear (92) non-rotatably fixed to the stationary member, and a set of second planet gears (96) rotatably supported from a second planet carrier (94) and which mesh with the second sun gear (90) and the second ring gear (92).

Inventors:

BOWEN THOMAS C (US)
FRANCES PHILIP J (US)

Application Number:

PCT/US2002/007725

Publication Date:

April 17, 2003

Filing Date:

March 14, 2002

Export Citation:

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Assignee:

NEW VENTURE GEAR INC (US)
BOWEN THOMAS C (US)
FRANCES PHILIP J (US)

International Classes:

B60K6/26; B60K6/365; B60K6/40; B60K6/48; B60K6/52; B60K6/54; B60K17/04; B60K17/14; H02K7/116; (IPC1-7): B60K41/28

Foreign References:

US6402654B1	2002-06-11
US5558589A	1996-09-24
US6234930B1	2001-05-22
US6053833A	2000-04-25

Other References: