Abstract: A planetary carrier assembly is provided for a transmission. The carrier assembly comprises a powder metal carrier member including a carrier plate having a plurality of carrier legs extending from the carrier plate, and a powder metal cover member including a cover plate having a plurality of cover legs extending from the cover plate. The carrier assembly includes a sleeve member defining a plurality of braze material retention features stamped along a perimeter of the sleeve member. In various aspects, the braze material retention features cooperate with the carrier member and the cover member, in an assembled state, to define retention apertures shaped and sized to retain a braze material adjacent the single plane prior to a sintering process. A portion of the carrier member is aligned with both a portion of the cover member and a portion of the sleeve member, and brazed together in a single plane.

Abstract: A vehicle automatic transmission of a multistage type includes multiple engagement elements having an engagement state switched by an oil pressure to selectively establish a plurality of shift stages based on a combination of engagement and release of the multiple engagement elements according to an oil pressure supplied from a hydraulic circuit, each of the shift stages being established by engagement of two or more engagement elements of the multiple engagement elements, at least one of the multiple engagement elements being a normally closed engagement element engaged when no oil pressure is supplied from the hydraulic circuit, and the normally closed engagement element being a meshing engagement element.

Abstract: A vehicle automatic transmission of a multistage type having a plurality of shift stages selectively established depending on a combination of engagement and release of multiple engagement elements, comprises: a torque converter coupled to an input rotating member of the automatic transmission; an oil pump coupled to a pump side of the torque converter, at least one of the multiple engagement elements being a meshing engagement element, and the meshing engagement element being at least partially disposed on an inner circumferential side of at least one of the torque converter and the oil pump.

Abstract: An engine-starting device for a vehicle having an engine, a parking lock mechanism and an automatic transmission, the engine-starting device being provided with a drive plate connected to a crankshaft of said engine, an electric motor having a pinion selectively engageable with the drive plate, and an actuator device configured to move said pinion to an engaging position for engagement with said drive plate to start said engine, comprises: said parking lock mechanism having a manual shaft selectively switchable between a rotation permitting position for permitting a rotary motion of an output shaft of said automatic transmission, and a parking lock position for inhibiting the rotary motion of the output shaft; and said actuator device being configured to move said pinion between said engaging position and a non-engaging position for disengagement from said drive plate, said electric motor being connected to said manual shaft to rotate the manual shaft from one of said rotation permitting position and said par

Abstract: An automatic transmission that includes a first planetary gear mechanism, a second planetary gear mechanism, a third planetary gear mechanism, a fourth planetary gear mechanism, a first coupling element, a second coupling, a third coupling element, a first clutch, a second clutch, a third clutch, a fourth clutch, a first brake and a second brake.

Abstract: An automatic transmission includes a single-pinion first planetary gear, a double-pinion second planetary gear, a single-pinion third planetary gear, a single-pinion fourth planetary gear, clutches C1, C2, C3, and C4, and brakes B1 and B2. First to ninth forward speeds and a reverse speed are established by engaging three of the clutches C1 to C4 and the brakes B1 and B2 and disengaging the remaining three clutches and brakes.

Abstract: An automatic transmission that shifts power applied to an input member and outputs the shifted power to an output member, the automatic transmission including a first planetary gear mechanism, a third planetary gear mechanism, a compound planetary gear mechanism, a first clutch, a second clutch, a third clutch, a fourth clutch a first brake, and a second brake.

Abstract: An automatic transmission apparatus that includes a first planetary gear mechanism, a second planetary gear mechanism, a third planetary gear mechanism, a fourth planetary gear mechanism, a first coupling element, a second coupling element, a third coupling element, a fourth coupling element, a first clutch, a second clutch, a third clutch, a fourth clutch, a first brake and a second brake.

Abstract: An automatic transmission 20 includes: a Simpson type complex planetary gear train 25 including single pinion type first and second planetary gears 21 and 22 and single pinion type third and fourth planetary gears 23 and 24; first through fourth clutches C1 to C4; and first and second brakes B1 and B2. A first carrier 21c of the first planetary gear 21 is coupled to an input shaft 20i. A first ring gear 21r of the first planetary gear 21 is selectively connected to an output shaft 20o by the first clutch C1.

Abstract: An automatic transmission for adjusting the relative speed between an input and output member. The transmission being configured with four planetary gears, the first having first to third rotary elements, the second having fourth to sixth rotary elements, the third having seventh to ninth rotary elements, the fourth having tenth to twelfth rotary elements. Three couplings between (i) first and sixth rotary elements, (ii) second and fifth rotary elements, and (iii) eighth and twelfth rotary elements. Three clutches are provided between (i) the second coupling and input member, (ii) third coupling and input member, and (iii) seventh rotary element and input member. Three brakes are provided at (i) the fourth rotary element, (ii) third coupling element, and (iii) tenth rotary element. The output member is connected to the third rotary element.

Abstract: An automatic transmission that shifts power applied to an input member and outputs the shifted power to an output member, the automatic transmission including a first planetary gear mechanism, a third planetary gear mechanism, a compound planetary gear mechanism, a first clutch, a second clutch, a third clutch, a fourth clutch a first brake, and a second brake.

Abstract: An automatic transmission that shifts power applied to an input member and outputs the shifted power to an output member, the automatic transmission including a first planetary gear mechanism, a second planetary gear mechanism, a third planetary gear mechanism, a fourth planetary gear mechanism, a first coupling element, a second coupling element, a third coupling element, a fourth coupling element, a first clutch, a second clutch, a third clutch, a fourth clutch, a first brake and a second brake.

Abstract: An automatic transmission configured with four planetary gear mechanisms, three clutches, and three brakes, which are configured to provide nine forward speeds and a reverse speed. The combination of elements results in, amongst other benefits, improved torque transfer efficiency. A first planetary gear mechanism including first to third rotary elements that form a sequence of the first rotary element, the second rotary element, and the third rotary element when arranged in an order at intervals corresponding to gear ratios in a velocity diagram. A second planetary gear mechanism including fourth to sixth rotary elements, a third planetary gear mechanism including seventh to ninth rotary elements, and a fourth planetary gear mechanism including tenth to twelfth rotary elements.

Abstract: In an automatic transmission including a deceleration planetary gear and a hydraulic clutch, the hydraulic clutch includes a clutch drum, a clutch hub, first and second friction engagement plates, a piston, and an engagement oil chamber defining member. The clutch hub is formed by a ring gear and a support member that rotates together with the ring gear. The piston is movably supported by the clutch hub. The piston and the support member define a cancel oil chamber that cancels a centrifugal oil pressure generated in an engagement oil chamber.

Abstract: An automatic transmission device that changes a relative speed between an input and output member. The transmission configured with a first planetary gear mechanism including first to third rotary elements, a second planetary gear mechanism including fourth to sixth rotary elements, a third planetary gear mechanism including seventh to ninth rotary elements, and a fourth planetary gear mechanism including tenth to twelfth rotary elements. A first coupling between the third and eighth rotary element, a second coupling between the fifth and eleventh rotary element, a third coupling between the sixth and twelfth rotary element, a fourth coupling between the seventh and tenth rotary element. A first clutch between the first and third coupling, a second clutch between the first rotary element and the third coupling element, a third clutch between the first and fourth rotary element.

Abstract: An automatic transmission device configured to change the relative speeds between an input and output member. The automatic transmission is configured with four planetary gear mechanisms and a plurality of clutches and brakes, the arrangement being configured so as to reduce a loss due to the meshing between gears. The automatic transmission is configured with a first planetary gear mechanism including first to third rotary elements. A second planetary gear mechanism including fourth to sixth rotary elements, a third planetary gear mechanism including seventh to ninth rotary elements, and a fourth planetary gear mechanism including tenth to twelfth rotary elements. A first coupling element that couples the first, fifth and ninth rotary elements, a second coupling element that couples the second and twelfth, rotary elements, a third coupling element that couples the third and eleventh, and a fourth coupling element that couples the sixth and eighth elements to each other.

Abstract: A vehicular automatic transmission includes three single pinion planetary gear sets and a plurality of engagement elements. A plurality of gears is selectively established by three of the plurality of engagement elements being engaged and three of the plurality of engagement elements being released. One of the plurality of engagement elements is a dedicated reverse engagement element that is engaged when a reverse gear is established and is released when a forward gear is established.

Abstract: An automatic transmission configured with four planetary gear mechanisms, three clutches, and three brakes, which are configured to provide nine forward speeds and a reverse speed. The combination of elements results in, amongst other benefits, improved torque transfer efficiency. A first planetary gear mechanism including first to third rotary elements that form a sequence of the first rotary element, the second rotary element, and the third rotary element when arranged in an order at intervals corresponding to gear ratios in a velocity diagram. A second planetary gear mechanism including fourth to sixth rotary elements, a third planetary gear mechanism including seventh to ninth rotary elements, and a fourth planetary gear mechanism including tenth to twelfth rotary elements.

Abstract: An automatic transmission that changes a relative speed between an input and output member. Four planetary gears are provided, having (i) first to third rotary elements, (ii) fourth to sixth rotary elements, (iii) seventh to ninth rotary elements, and (iv) tenth to twelfth rotary elements. Four couplings are provided between (i) first and sixth rotary elements, (ii) second rotary and ninth rotary elements, (iii) third and eighth rotary elements, and (iv) fifth and twelfth rotary elements. Three clutches are provided between (i) second coupling element and input member, (ii) fourth rotary element input member, and (iii) tenth rotary element and input member. Three brakes are provided at (i) the fourth coupling element, (ii) fourth rotary element, (iii) and seventh rotary element. The output member is connected to the third coupling element.

Abstract: An automatic transmission device that changes a relative speed between an input and output member. The transmission is configured with four planetary gear mechanisms, the first including first to third rotary elements, the second including fourth to sixth rotary elements, the third including seventh to ninth rotary elements, the fourth including tenth to twelfth rotary elements. Four coupling elements are provided, the first that couples the first, fifth and eighth rotary element to each other. The second couples the second and twelfth rotary elements. The third couples third and eleventh rotary elements. Fourth couples fourth and ninth rotary elements. Three clutches, are provided between (i) second coupling element and the input member, (ii) sixth rotary element and the input member, and (iii) seventh rotary element and the input member. Three brakes are provided on the (i) sixth rotary element, (ii) fourth coupling element, and (iii) tenth rotary element.