Elevator regenerative drive including an air core inductor

US8827042B2 · kind B2 · utility

Assignee

• OTIS ELEVATOR COMPANY · US

Inventors

• Wolfgang Lutz Zemke · Berlin, DE
• Marvin Dehmlow · Berlin, DE
• Michael Mann · Berlin, DE

Key dates

• Filing date: Mar 31, 2009
• Grant date: Sep 9, 2014
• Expiry date: Sep 24, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/64
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

An exemplary elevator machine includes a motor that operates in a first mode to move an elevator car and in a second mode to generate power. A line reactor is associated with the motor for delivering power generated by the motor operating in the second mode. The line reactor includes an air core inductor.