Abstract: A system has been developed for engaging a clutch pack using a hydraulic piston. The system can be used with an automatic transmission or another part of the drivetrain of a vehicle. The system includes a piston, a clutch pack, and a housing that contains the piston and clutch pack. To engage and disengage the piston against the clutch pack, the system is configured to fill and empty a hydraulic chamber on a hydraulic side of the piston such that the hydraulic fluid moves the piston towards and away from the clutch pack. The piston includes one or more pads or standoffs that form flow gaps. The piston is further configured to position seals on the piston closer to the hydraulic side.

Abstract: A system has been developed for engaging a clutch pack using a hydraulic piston. The system can be used with an automatic transmission or another part of the drivetrain of a vehicle. The system includes a piston, a clutch pack, and a housing that contains the piston and clutch pack. To engage and disengage the piston against the clutch pack, the system is configured to fill and empty a hydraulic chamber on a hydraulic side of the piston such that the hydraulic fluid moves the piston towards and away from the clutch pack. The piston includes one or more pads or standoffs that form flow gaps. The piston is further configured to position seals on the piston closer to the hydraulic side.

Abstract: A card with three dimensional visual effect comprising a transparent or translucent substrate of a flat nature and having a first major surface and an opposite second major surface. An opaque first layer of ink is printed over (and preferably onto) at least part of the first major surface of the substrate. A second layer of ink is printed over (and preferably onto) at least part of the second major surface of the substrate. An opaque masking layer of ink is printed onto at least part of the second layer to capture at least part of the second layer between the substrate and the masking layer. The first layer is provided on the first major surface side of the substrate in a region or regions selected whereby visual exposure of part of the second layer is provided, visible from the first major surface side of the card.