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. 18, 2009
Filed:
May. 19, 2006
Massimo Mattioli, Castelmaggiore, IT;
Paolo Pasquali, Castelmaggiore, IT;
Luigi Gagliardi, Bologna, IT;
Massimo Mattioli, Castelmaggiore, IT;
Paolo Pasquali, Castelmaggiore, IT;
Luigi Gagliardi, Bologna, IT;
Magneti Marelli Powertrain S.p.A., Corbetta, IT;
Abstract
A fuel pump for an internal-combustion engine; the fuel pump is provided with: a variable-volume chamber for containing fuel; an intake valve connected to the variable-volume chamber; a delivery valve connected to the variable-volume chamber; and a pumping device for varying the volume of the first variable-volume chamber. The intake valve has a disk provided with a plurality of through supply holes, and a deformable lamina, which is fixed to the disk in a position corresponding to a peripheral edge thereof and is provided with a series of flaps, each of which is coupled to a respective supply hole.