Electric swashplate actuator for stirling engine

Details Electric swashplate actuator for stirling engine Electric swashplate actuator for stirling engine

1996-08-28

1998-11-17

Ta, Khoi Q.

Planetary gear transmission systems or components

Electric or magnetic drive or control

475338, 475339, F16H 3508

Patent

active

058368469

ABSTRACT:
An actuating mechanism for adjusting the swashplate angle in a Stirling cycle engine. A stationary mounted motor is used to drive one member of a planetary gear set. The motion of this member is transmitted through a second planetary gear set to a member connected to the swashplate. In one embodiment, a worm gear powered by a stationary mounted electric motor drives a moveable rear ring gear. The movement of the rear ring gear is transmitted through three rear planet gears and a common sun gear to produce relative movement in a front planet gear carrier. The relative movement of the front planet gear carrier is transmitted through a bevel gear to the swashplate. This embodiment allows the off-line production of swashplate actuator subassembly cartridges that can quickly be journalled to the drive shaft, joined to and properly phased with respect to the swashplate and meshed with a worm gear connected to the stationary electric motor during the assembly of a Stirling engine.

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