S
Scott H. Wittkopp
Researcher at General Motors
Publications - 210
Citations - 2384
Scott H. Wittkopp is an academic researcher from General Motors. The author has contributed to research in topics: Clutch & Non-circular gear. The author has an hindex of 24, co-authored 210 publications receiving 2384 citations.
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Patent
Multi-speed transmission
Scott H. Wittkopp,James M. Hart +1 more
TL;DR: A multi-speed transmission has three planetary gear sets and six torque-transmitting mechanism packaged in various ones of five zones within a transmission cavity as discussed by the authors, each planetary gear set has a ring gear member, a sun gear member and a carrier member that rotatably supports a plurality of pinion gears that intermesh with both the sun gear members and the ring gear members.
Patent
Selectable one-way clutch
TL;DR: In this paper, a controllable selectable one-way clutch is provided for use within a hybrid transmission, which comprises an outer and inner race, and a first and second selector plate.
Patent
Selectable one-way rocker clutch
TL;DR: In this article, a selectable one-way rocker clutch assembly with an inner race disposed radially within an outer race, first and second plurality of rockers, a selector ring and an apply plate is presented.
Patent
9-Speed Transmission
TL;DR: In this paper, the authors present a transmission with a plurality of members that can be utilized in powertrains to provide nine forward speed ratios and one reverse speed ratio, and the transmission includes four planetary gear sets, six torque-transmitting devices, and four fixed interconnections.
Patent
Transmission with selectable braking one-way clutch
Farzad Samie,Scott H. Wittkopp +1 more
TL;DR: In this paper, a multi-speed transmission with a selectable braking one-way clutch operative to brake rotation of a member of a planetary gear set of the transmission when the transmission is in reverse and first speed.