This application discloses a transmission having a plurality of transmission sections, wherein each transmission section comprises:

a driven primary shaft (1);
at least one secondary shaft (13), which is arranged to rotate independently, in particular axis-parallel, with respect to the primary shaft (1); and
a clutch arrangement (4, 5), which is formed to selectively couple the primary shaft (1) directly with a driven shaft or to couple the secondary shaft (13) or one of the secondary shafts between the primary shaft (1) and the driven shaft, wherein the driven shaft is a primary shaft (1) of a further transmission section or an output shaft of the transmission, wherein the coupled secondary shaft (13) comprises a predetermined transmission ratio with respect to the primary shaft (1), wherein when multiple secondary shafts are provided, respective coupled secondary shafts comprise different transmission ratios with respect to the primary shaft (1).

A rear mount power take-off for a transmission includes a housing assembly configured to be mounted in an opening in the transmission. A power take-off shaft includes an externally splined end extending into an opening in the housing assembly and is configured to be driven by a component of the transmission. A guide sleeve is received in the housing assembly and includes an exterior shoulder opposing an interior retaining shoulder of the housing assembly, the guide sleeve further including an interior shoulder. A spring biases the guide sleeve against the interior retaining shoulder of the housing assembly. A coupler sleeve is secured to an interior of the guide sleeve and includes a first internal spline for selective engagement with the externally splined end of the power take-off input shaft and a second internal spline configured to engage a power take-off device.

A power shift transmission includes a plurality of shafts, a plurality of gears, a plurality of clutches, a plurality of forward modes, and a plurality of alternate forward modes. Each forward mode has a distinct transmission ratio, and each alternate forward mode has a transmission ratio similar to one of the plurality of forward modes.

A powershift transmission for agricultural machines, which is of modular design and has a first part (1) with a splitter group (3) and a second part (2) with a multi-speed transmission (4). The splitter group (3) is designed such that the rotational direction of the input shaft (5) and the rotational direction of the output shaft (8) remain the same, even when shifts are carried out in the splitter group (3).

An automatic transmission includes a second planetary gear mechanism having a sun gear, a carrier, and a ring gear being defined as first, second and third elements, respectively, when a single pinion type planetary gear mechanism is applied; the carrier, the ring gear, and the sun gear being defined as the first, second, and third elements, respectively, when a double pinion type is applied; a first brake, a switching clutch being switchable to a first position where the third element is selectively fixed to a housing; a first clutch, a second clutch, a third clutch, and a fourth clutch. The first brake fixes a sun gear of a first planetary gear mechanism to the housing, the switching clutch fixes the third element to the housing, and the fourth clutch connects the second element to a carrier of the third planetary gear mechanism when establishing a reverse speed stage.

A transmission includes an input shaft coupled to a prime mover, a countershaft, main shaft, and an output shaft, with gears between the countershaft and the main shaft. A shift actuator selectively couples the input shaft to the main shaft by rotatably coupling gears between the countershaft and the main shaft. The shift actuator is mounted on an exterior wall of a housing including the countershaft and the main shaft. An integrated actuator housing includes a single external power access for the shift actuator. A controller interprets a shaft displacement angle, determines if the transmission is in an imminent zero or zero torque region, and performs a transmission operation in response to the transmission in the imminent zero or zero torque region.

Construction is achieved by which it is possible definitely prevent the occurrence of creep between a pulley 2b and an outer ring 7f. Trapezoidal shaped concave sections are formed such that the angle of intersection θ between the inside surfaces 23 on both sides of each concave section 17a of knurling 19a of the outer ring 7f is within the range 45°≦θ≦120°. Moreover, the depth h in the radial direction of the concave sections 17a and the diameter D of the circumscribed circle of the tip end surfaces 22 of the convex sections 18a are regulated so as to satisfy the relationship 0.004D≦h≦0.015D, and the length L in the circumferential direction of the bottom surface 21 of the concave sections 17a is regulated within the range 0.01D≦L≦0.03D.

A hybrid transmission (18) for a motor vehicle drive train (12) of a motor vehicle (10) includes: a first transmission input shaft (24) for operatively connecting the hybrid transmission to an internal combustion engine (16); a second transmission input shaft (26) for operatively connecting the hybrid transmission to a first electric prime mover (14); an output shaft (28) for operatively connecting the hybrid transmission to a drive output (32); a planetary gear set (RS) connected to the second transmission input shaft and to the output shaft; spur gear pairs (ST1, ST2, ST3) arranged in multiple gear set planes for forming gear steps; and a plurality of gear change devices with shift elements (A, B, C, D, E, F) for engaging gear steps. The output shaft is of a countershaft design, and the planetary gear set is interlockable when decoupled from the first transmission input shaft.

A multi-stage planetary transmission for a bicycle or a pedelec includes a transmission input shaft (1), a transmission output shaft (2), and at least three planetary gear sets (VRS, VR1, VR2, RS1, RS2, NRS, NR1, NR2). A first planetary gear set (RS1) and a second planetary gear set (RS2) are configured as a main gear set and at least one further planetary gear set (VRS, VR1, VR2, NRS, NR1, NR2) is configured as a front-mounted gear set and/or as a rear-mounted gear set. At least three free-wheel clutches (F1, F2, F3, F4) and at least three brakes (B1, B2, B3, B4) are provided for implementing at least eight gears (G1, G2, G3, G4, G5, G6, G7, G8, G9, G10, G11, G12, G13, G14, G15, G16). Moreover, the multi-stage transmission may be a bottom bracket transmission. In addition, a bicycle or pedelec with the multi-stage transmission is proposed.

A hybrid transmission (18) for a motor vehicle drive train (12) of a motor vehicle (10) includes: a first transmission input shaft (24) for operatively connecting the hybrid transmission to an internal combustion engine (16); a second transmission input shaft (26) for operatively connecting the hybrid transmission to a first electric prime mover (14); an output shaft (28) for operatively connecting the hybrid transmission to a drive output (32); a planetary gear set (RS) connected to the first transmission input shaft and to the second transmission input shaft; spur gear pairs (ST1, ST2, ST3) arranged in multiple gear set planes for forming gear steps; and a plurality of gear change devices that include shift elements (A, B, C, D, E) for engaging gear steps. The output shaft is of a countershaft design, and the planetary gear set is interlockable when decoupled from the output shaft.