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:
Nov. 13, 1990
Filed:
Oct. 06, 1989
Hermann Nusser, Markgroeningen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
An aggregate for feeding fuel from a supply tank to an internal combustion engine of a power vehicle comprises an electric drive motor, a feed pump operatively connected with the drive motor and formed as an inner teeth gear pump, the feed pump including a centrally arranged toothed pinion with a predetermined number of teeth and a toothed ring with an inner toothing having a greater number of teeth than the tooth pinion and engaging with the latter, the toothed ring having an outer surface with which it is rotatably supported, the toothed pinion and the toothed ring having axes of rotation which are eccentric relative to one another, the electric drive motor having a motor armature with an axis of rotation, the axis of rotation of the toothed ring being coaxial with the axis of rotation of the motor armature.