Loading patent…
AssigneeExedy GlobalParts Corporation
InventorsKenji KITADA, Scott BINDER, Ken MOTOTSUNE, Daniel LESCHUK
Estimating the term…
A launch device coupling a prime mover to a transmission. The launch device includes a front cover for connecting to the output of the prime mover and an output hub for connecting to the input of the transmission. A rear cover is connected to the front cover and cooperates to define a chamber. Within the chamber are an impeller and a turbine having a plurality of opposing blades such that hydraulic fluid is directed from the impeller blades and toward the turbine blades. A main damper is provided between the turbine and output hub of the launch device. Coupled to the main damper is a lock-out clutch configured to releasably lock the main damper for rotation with one of the front and rear covers. The launch device also includes an active dynamic damper system coupled to the main damper and configured to reduce resonance influence on the main damper.
A launch device for coupling a rotary output of a prime mover to a rotary input of a transmission, the launch device including a front cover configured to connect to the rotary output member of the prime mover and an output hub configured to connect to the rotary input of the transmission, a rear cover connected to the front cover and rotatable therewith, the front cover and the rear cover cooperating to define a chamber, an impeller having a plurality of impeller blades extending in the chamber, a turbine located within the chamber and including a plurality of turbine blades generally opposing the impeller blades such that hydraulic fluid is directed from the impeller blades and toward the turbine blades, a main damper coupled between the turbine and the output hub of the launch device, a lock-out clutch coupled to the main damper and configured to releasably lock the main damper for rotation with one of the front and rear covers, the launch device characterized by an active dynamic damper (ADD) system coupled to the main damper and configured to reduce resonance influence on the main damper.
The launch device according to any of the preceding claims, wherein the first portion of the ADD clutch is mounted to a side plate of the main damper.
The launch device according to any of the preceding claims, wherein the second portion of the ADD clutch includes a reaction plate extending from the turbine, the reaction plate having a reaction surface opposing a corresponding reaction surface of the first portion of the ADD clutch.
The launch device according to any of the preceding claims, wherein the turbine is coupled to the ADD piston and moveable therewith.
The launch device according to any of the preceding claims, wherein the ADD piston is mounted to and axially moveable along the output hub.
A launch device for coupling a rotary output of a prime mover to a rotary input of a transmission, the launch device comprising:
Dependencies are inferred from the claim text.