University of Ontario Institute of Technology

Ekstera Inc.

Brendan David MacDonald

Matthew Lester Murray Dudman

Salvatore Ranieri

Brayden Timothy York

A displacer for an engine includes a body extending along a displacer longitudinal axis from a displacer first end surface to a displacer second end surface. At least one channel extends between a first opening in the displacer first end surface and a second opening in the displacer second end surface and has sidewalls therebetween defining a channel flow path. The first opening is located at a first radial distance from the displacer longitudinal axis in a first radial direction and the second opening is located at a second radial distance from the displacer longitudinal axis in a second radial direction. At least a portion of the channel flow path has a component in an angular direction that is at an angle to both the first and second radial directions.

Engine displacer with regenerator channels

Various embodiments are described herein for methods and devices that relate to a drive mechanism, and a power mechanism that can be used 5 individually or together in an engine to obtain increased efficiency are provided according to the teachings herein. The embodiments described herein generally employ at least one of drive mechanisms that provide for non-sinusoidal motion and embedded piston arrangements.

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Toronto, Canada

Brendan David MacDonald