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:
Aug. 07, 2018
Filed:
Jan. 31, 2014
Yasa Motors Ltd, Abingdon, Oxfordshire, GB;
Timothy Woolmer, Wheatley, GB;
Andrew Court, Bicester, GB;
Charles Edmund King, Kidlington, GB;
Mark East, Hungerford, GB;
Jon Barker, Oxford, GB;
Yasa Limited, Yarnton, GB;
Abstract
There is provided an axial flux motor comprising one or more rotating disks () and a stator () comprising a cavity () formed between walls () and containing therein more than one electro-magnetic coil assembly (). Each electro-magnetic coil assembly () comprises more than one pole piece (), each having an axially extending shank portion () and first and second radially extending end shoes () and one or more associated coils (), each of the one or more associated coils () being wound around a shank portion (), wherein said outer surface () of said end shoes are preferably joined to one or other of said walls (). One or both of said first or second shoes further comprise a heat exchange surface () facing a coil () wound around the shank () such as to define first cooling channels () between one or both of said heat exchange surface () and said coil (), and a second flow channel () defined by the spacing of said coil () and adjacent coils ().