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:
Mar. 08, 2011
Filed:
Mar. 04, 2009
Michele Petrone, San Lazzaro Di Savena, IT;
Pasquale Dragone, Bologna, IT;
Massimo Mattioli, Calderara di Reno, IT;
Daniele DE Vita, Castel San Pietro Terme, IT;
Andrea Cobianchi, Bologna, IT;
Michele Petrone, San Lazzaro Di Savena, IT;
Pasquale Dragone, Bologna, IT;
Massimo Mattioli, Calderara di Reno, IT;
Daniele De Vita, Castel San Pietro Terme, IT;
Andrea Cobianchi, Bologna, IT;
Magneti Marelli S.p.A., Corbetta, IT;
Abstract
An embodiment of a direct injection assembly of the common-rail type provided with a fuel tank, a manifold, a high-pressure pump for feeding the fuel to the manifold, a low-pressure pump provided with an intake pipe and connected to the high-pressure pump by means of the intake pipe to feed the fuel taken from the tank to the high-pressure pump; and a shut-off valve of the ON/OFF type which is arranged along the intake pipe to adjust the delivery of the fuel fed to the high-pressure pump; and a pressure regulator, which is arranged along the intake pipe immediately upstream of the shut-off valve to keep the pressure of the fuel inside the intake pipe under a predetermined value.