Patent · US Active

Hybrid transmission

US8667865B2 · kind B2 · utility

8Cited by
18References
9Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJun 14, 2010
Grant dateMar 11, 2014
Priority date
Expiry dateDec 28, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/19051
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A transmission for a vehicle which includes a ground engaging structure driven from an output member of the transmission is disclosed, the transmission including a first input member connected to a prime mover, and a second input member drivable by the operation of a hydraulic drive motor, and the transmission being operable to transmit drive from the first input member to the output member in mechanical drive mode, and from the second input member to the output member in hydrostatic drive mode, the first input member providing a drive input from the prime mover to a mechanical drive train which includes a gear ratio selection apparatus, and for mechanical drive mode, the gear ratio selection apparatus providing for one of a plurality of alternative gear ratios to be selected by the engagement and/or disengagement of at least one power-shift clutch device, and the second input member being connected via a drive path to the output member, and there being a power-shift clutch device between the hydraulic drive motor and the second input member which is operative when the transmission is in hydrostatic drive mode, to transmit drive established by the operation of the hydraulic drive m…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.