Mainspring Energy, Inc.

Sunpower Corporation

Maxeon Solar Pte. Ltd.

David Degraaff

Gilad Almogy

Nathan Beckett

Christopher David Gadda

Tamir Lance

Andrew H Hancock

Shannon Miller

John Lawler

Scott Coakley

Adam Detrick

John Powers

Kevin Walters

Maritza Ruiz

Matthew Svrcek

Alan Crapo

Samuel Sherman

Nathaniel Caswell

A linear electromagnetic machine includes a stator, a translator, and a bearing system. The bearing system maintains alignment against lateral displacement of the translator relative to the stator, as the translator reciprocates axially. More particularly, the bearing system maintains a motor air gap between the stator and a magnetic section of the translator. The stator includes a plurality of stator teeth and windings, which form a plurality of phases. The stator teeth and windings are arranged using a hoop stack with spines to form a stator bore and define the motor air gap. The bearing system can include bearing housings that are configured to form a bearing interface with a surface of the translator. The bearing interface can include a contact bearing or a non-contact bearing, such as a gas bearing. Current is controlled in the phases to convert between electrical energy and kinetic energy of the translator.

Linear electromagnetic machine with a stator having stator teeth arranged to provide an anti-clocking force

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Mountain View, CA, United States of America

David Degraaff