Abstract: A clutch assembly includes first, second and third clutches, a housing including a first projection to which the first clutch selectively produces a connection, a second projection to which the second and third clutches selectively produce connections, clutch-apply circuits each circuit corresponding to one of the clutches, and a balance volume circuit for supplying fluid to each of the clutches, and a shaft rotatably supporting the housing.

Abstract: A clutch assembly includes first, second and third clutches, a housing including a first projection to which the first clutch selectively produces a connection, a second projection to which the second and third clutches selectively produce connections, clutch-apply circuits each circuit corresponding to one of the clutches, and a balance volume circuit for supplying fluid to each of the clutches, and a shaft rotatably supporting the housing.

Abstract: A pinion carrier includes a first disc including ring segments, each ring segment extending angularly about an axis and spaced angularly from the other ring segments, a second disc, spacers secured to the discs and separating the discs axially, and retention elements, each retention element secured to one of the ring segments.

Abstract: A system producing force reactions in a transmission includes a case including front and rear surfaces, a reaction component, a gearset including a ring gear and a sun gear that transmits a forward force to the front surface, a first path for transmitting a rearward force from the ring gear to the rear surface, a second path for transmitting a forward force from the ring gear to the reaction component, and a third path for transmitting a rearward force from the sun gear to the reaction component.

Abstract: A clutch assembly includes first, second and third clutches, a housing including a first projection to which the first clutch selectively produces a connection, a second projection to which the second and third clutches selectively produce connections, clutch-apply circuits each circuit corresponding to one of the clutches, and a balance volume circuit for supplying fluid to each of the clutches, and a shaft rotatably supporting the housing.

Abstract: A system for supplying fluid to transmission control elements includes a body producing clutch-apply pressures and a lube source, clutches, each clutch including a servo and a balance volume, a shaft including passages, a support including paths communicating each of the clutch-apply pressures and the lube source to a respective passage, and a clutch hub communicating clutch-apply pressure from each of the passages to a respective servo, and communicating the lube source to the balance volumes.

Abstract: A brake assembly includes first and second brakes, a gearset including first and second members, a hub held against rotation, the first brake selectively producing a connection between the hub and the first member, the second brake selectively producing a connection between the hub and the second member, and a support secured to a transmission case and the hub, the support formed with brake-apply circuits, each circuit corresponding to one of the brakes.

Abstract: A transmission includes gearsets each including rotating members, a support held against rotation, brake servos located in the support, brakes each actuated by one of the brake servos for producing a connection between the support and a respective gearset member, a housing, clutch servos located in the housing, and clutches each actuated by one of the clutch servos for producing a drive connection between the housing and a respective gearset member.

Abstract: An assembly of transmission components includes a first shaft including first and second surfaces, and axial cutting-spline teeth on the second surface, a second shaft connected by a press fit to first shaft, and a clutch hub connected by a press fit to the second shaft and engaged with the cutting-spline teeth.

Abstract: An assembly including an input including first, second, third and fourth passages, a shaft surrounding the input, a housing including a hub surrounding the shaft, a first path connecting the first passage to a first servo cylinder, a second path connecting the second passage to a second servo cylinder, a third path connecting the third passage to balance volumes, and a fourth path connecting the fourth passage to a third servo cylinder, bypassing the hub.

Abstract: A brake assembly includes first and second brakes, a gearset including first and second members, a hub held against rotation, the first brake selectively producing a connection between the hub and the first member, the second brake selectively producing a connection between the hub and the second member, and a support secured to a transmission case and the hub, the support formed with brake-apply circuits, each circuit corresponding to one of the brakes.

Abstract: A clutch assembly includes first, second and third clutches, a housing including a first projection to which the first clutch selectively produces a connection, a second projection to which the second and third clutches selectively produce connections, clutch-apply circuits each circuit corresponding to one of the clutches, and a balance volume circuit for supplying fluid to each of the clutches, and a shaft rotatably supporting the housing.

Abstract: An assembly of transmission components includes a first shaft including first and second surfaces, and axial cutting-spline teeth on the second surface, a second shaft connected by a press fit to first shaft, and a clutch hub connected by a press fit to the second shaft and engaged with the cutting-spline teeth.

Abstract: An assembly including an input including first, second, third and fourth passages, a shaft surrounding the input, a housing including a hub surrounding the shaft, a first path connecting the first passage to a first servo cylinder, a second path connecting the second passage to a second servo cylinder, a third path connecting the third passage to balance volumes, and a fourth path connecting the fourth passage to a third servo cylinder, bypassing the hub.

Abstract: A transmission includes gearsets each including rotating members, a support held against rotation, brake servos located in the support, brakes each actuated by one of the brake servos for producing a connection between the support and a respective gearset member, a housing, clutch servos located in the housing, and clutches each actuated by one of the clutch servos for producing a drive connection between the housing and a respective gearset member.

Abstract: A system for supplying fluid to transmission control elements includes a body producing clutch-apply pressures and a lube source, clutches, each clutch including a servo and a balance volume, a shaft including passages, a support including paths communicating each of the clutch-apply pressures and the lube source to a respective passage, and a clutch hub communicating clutch-apply pressure from each of the passages to a respective servo, and communicating the lube source to the balance volumes.

Abstract: A system producing force reactions in a transmission includes a case including front and rear surfaces, a reaction component, a gearset including a ring gear and a sun gear that transmits a forward force to the front surface, a first path for transmitting a rearward force from the ring gear to the rear surface, a second path for transmitting a forward force from the ring gear to the reaction component, and a third path for transmitting a rearward force from the sun gear to the reaction component.

Abstract: A pinion carrier includes a first disc including ring segments, each ring segment extending angularly about an axis and spaced angularly from the other ring segments, a second disc, spacers secured to the discs and separating the discs axially, and retention elements, each retention element secured to one of the ring segments.

Abstract: A transmission latching mechanism includes a component of a transmission gearset, a member secured to and able to rotate with the component, and a piston fixed against rotation and moveable alternately to latch the mechanism, thereby holding the member against rotation and to unlatch the mechanism, thereby releasing the member to rotate.

Abstract: A motor vehicle powertrain includes a multiple speed transmission including a first lube circuit that supplies hydraulic lubricant to components of the transmission, a first oil sump, and a first pump driveably connected to an engine for supplying oil at a first pressure to the lube circuit, a transfer case including a first output, a second oil sump located in the transfer case, a second pump located in the transfer case and driveably connected to the first output, and a check valve for alternately opening and closing a connection between the first pump and the lube circuit and for opening and closing a connection between the second pump and the lube circuit in response to differential pressure between an outlet of the first pump and an outlet of the second pump.