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:
Feb. 27, 2018
Filed:
May. 04, 2015
Rolls-royce Aktiebolag, Kristinehamn, SE;
Anders Lobell, Karlskoga, SE;
Daniel Ahl, Karlstad, SE;
Rolls-Royce Aktiebolag, , SE;
Abstract
The invention relates to a system and method for cooling of a pod propulsion device, including a motor casing () and a strut (), which strut () is connected at a lower part thereof to the motor casing () and is arranged to be connected at an upper part thereof to a hull () of a ship, said motor casing () including a housing () enclosing an electric motor () with a stator () and a rotor, wherein periodically a forced cooling air flow (W,S) is shifted to use a front duct (A) as supply (S) for limited time period TF and thereafter shift to use the aft duct (B) as supply (S) for a limited time period TA. The invention also relates to a ship provided with such a system and method for cooling of pod propulsion device.