公开(公告)号：US10609478B2

公开(公告)日：2020-03-31

申请号：US15387949

申请日：2016-12-22

Applicant: MAGNETI MARELLI S.p.A.

Inventor： Matteo De Cesare ,  Federico Covassin ,  Antonio Barbuto ,  Federico Monti

IPC: H04R3/00 ,  G01H3/12 ,  F02D41/28 ,  F02D41/00 ,  G01M15/12

Abstract: A device for the acquisition and conditioning of a sound signal generated by a source of an internal combustion engine and comprising a box-shaped support body having a first measuring assembly and a second measuring assembly; wherein the first measuring assembly is provided with at least two first microphones which lie on a first plane and are configured for the detection of a first acoustic signal generated by the source along a first provenance direction; and wherein the second measuring assembly is provided with at least a second microphone arranged on a second plane configured for the detection of a second acoustic signal generated by the source along a second provenance direction different from the first provenance direction.

公开(公告)号：US20200018263A1

公开(公告)日：2020-01-16

申请号：US16507478

申请日：2019-07-10

Applicant: MAGNETI MARELLI S.p.A.

Inventor： Giovanni Bonandrini ,  Giovanni Stanzani ,  Federico Monti ,  Antonio Barbuto

IPC: F02M25/025 ,  F02P23/00 ,  F02M25/022

Abstract: A system for feeding water to at least one combustion chamber in an internal combustion engine having: a tank designed to contain a quantity of water; a feeding duct; a pump designed to draw water from the tank and to pump pressurised water into the feeding duct; and at least one silver-containing body which is contained in the tank in contact with the water.