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:
Apr. 27, 2010
Filed:
Feb. 13, 2004
David Luke Barker, Northamton, GB;
David Luke Barker, Northamton, GB;
Drivetec (UK) Limited, London, GB;
Integral Powertrain Limited, Milton Keynes, GB;
Abstract
An automotive air blower, in particular a supercharger, comprises an air pump, such as an air impeller () connected to the output shaft () of a transmission system, the input shaft of which is connected, in use, to the engine of a motor vehicle. The input and output shafts () are connected to respective branches of a three-branch epicyclic differential gearset. The third branch of the gearset and the input shaft () are connected to the rotor () of respective electrical machines, the electrical connections of the stators () of which machines are connected together via a controller () arranged to control the flow of electric power between them.