The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 2022
Filed:
Jun. 05, 2018
Atlas Copco Airpower, Naamloze Vennootschap, Wilrijk, BE;
ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP, Wilrijk, BE;
Abstract
Cylindrical symmetric volumetric machine (), which machine () includes two cooperating rotors (), namely an outer rotor () which is rotatably mounted in the machine () and an inner rotor () which is rotatably mounted in the outer rotor (), whereby the machine () is provided with an electric motor () with a motor rotor () and a motor stator () to drive the outer and inner rotor (), characterised in that the electric motor () is mounted around the outer rotor (), whereby the motor stator () is directly driving the outer rotor (), and whereby the electric motor () extends along only a part of the length (L) of the outer rotor () and the inner rotor (), whereby the motor () is located at an end () of the inner rotor () with a smallest diameter (D).