Invention Grant
- Patent Title: Two-speed drive module
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Application No.: US14722432Application Date: 2015-05-27
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Publication No.: US09777818B2Publication Date: 2017-10-03
- Inventor: Paul J. Valente , James P. Downs
- Applicant: American Axle & Manufacturing, Inc.
- Applicant Address: US MI Detroit
- Assignee: American Axle & Manufacturing, Inc.
- Current Assignee: American Axle & Manufacturing, Inc.
- Current Assignee Address: US MI Detroit
- Agency: Harness, Dickey & Pierce, P.L.C.
- Main IPC: F16H48/06
- IPC: F16H48/06 ; F16H3/44 ; F16H3/66 ; F16H3/54 ; B60K1/00

Abstract:
A drive module that includes an electric motor, a differential assembly with a differential input member and a pair of differential output members, a multi-speed transmission assembly, which transmits rotary power between the electric motor and the differential input member, and a pair of axle shafts that are each coupled to an associated one of the differential output members for rotation therewith. The multi-speed transmission assembly and includes a housing, a two-speed planetary transmission stage, a plurality of clutches and a transmission output member that provides rotary power to the differential input member. The two-speed planetary transmission stage has an input sun gear, which is driven by the motor, and employs a set of planet gears having compound planet gears that provide a gear reduction between the sun gear and the transmission output member. The clutches are employed to control an overall reduction ratio.
Public/Granted literature
- US20150267797A1 TWO-SPEED DRIVE MODULE Public/Granted day:2015-09-24
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