US 7,603,986 B2
Fuel adjustment and filtering device for a high-pressure pump
Mario Ricco, Casamassima (Italy); Raffaele Ricco, Valenzano (Italy); Sergio Stucchi, Valenzano (Italy); Onofrio De Michele, Valenzano (Italy); Domenico Lepore, Valenzano (Italy); and Marcello Gargano, Valenzano (Italy)
Assigned to C.R.f Societa Consortio per Azioni, Strada Turin (Italy)
Filed on Jan. 05, 2007, as Appl. No. 11/650,530.
Claims priority of application No. 06425782 (EP), filed on Nov. 16, 2006.
Prior Publication US 2008/0116300 A1, May 22, 2008
Int. Cl. F02M 69/54 (2006.01); F02M 69/52 (2006.01)
U.S. Cl. 123—457  [123/458] 28 Claims
OG exemplary drawing
 
1. An adjustment and filtering device for a high-pressure pump in an injection system for an internal combustion engine, the device comprising:
at least one filter, the filter comprising a filter casing and a filter cartridge housed within the casing, the filter cartridge comprising a filtering body;
a shut-off solenoid valve for metering filtered fuel from said filter to said pump; and
a pressure control valve located downstream of the filter, wherein the shut-off solenoid valve and the pressure control valve are located in a block separate from said pump.