公开(公告)号：US10030622B2

公开(公告)日：2018-07-24

申请号：US14902658

申请日：2014-07-04

Applicant: DELPHI TECHNOLOGIES IP LIMITED

Inventor： Mark S. Graham ,  Anthony Thomas Harcombe ,  Simon H. Phillips

IPC: F02M69/22 ,  F02M63/02 ,  F02M55/02

Abstract: Fuel injection equipment includes a high pressure fuel source able to flow high pressure fuel via connecting pipes to a plurality of injectors. The fuel injection equipment is high pressure fuel reservoir-less, a distributed storage for high pressure fuel being arranged in the pipes and in the injectors.

公开(公告)号：US10451047B2

公开(公告)日：2019-10-22

申请号：US14425939

申请日：2013-07-23

Applicant: DELPHI TECHNOLOGIES IP LIMITED

Inventor： Andrew Male ,  Anthony Thomas Harcombe

IPC: F04B9/00 ,  F02M59/02 ,  F04B19/22 ,  F04B7/02 ,  F04B7/00 ,  F04B53/10 ,  F02M59/34 ,  F02M59/36 ,  F04D15/00 ,  F02M63/00 ,  F02M59/46

Abstract: The present application relates to a pump unit for a fuel injection system. The pump unit has a low pressure fuel supply line and a high pressure fuel outlet. A pumping chamber having a plunger is operable to perform a pumping cycle comprising a pumping stroke and a filling stroke. The pump unit also includes an inlet valve having an inlet valve member movable between an open position for permitting the supply of fuel to the pumping chamber from the low pressure fuel supply line and a closed position for inhibiting the supply of fuel from the pumping chamber to the low pressure supply line. An outlet valve is provided in the high pressure fuel outlet. The pump unit also includes a means for latching the inlet valve member in its open position. The present application also relates to a method of operating a pump unit.

公开(公告)号：US10982635B2

公开(公告)日：2021-04-20

申请号：US15724587

申请日：2017-10-04

Applicant: DELPHI TECHNOLOGIES IP LIMITED

Inventor： Anthony Thomas Harcombe ,  George A. Meek

IPC: F02M47/02 ,  F02M63/00 ,  F02M63/02 ,  F02D41/38

Abstract: A fuel injector includes a nozzle having at least one nozzle outlet. A valve needle is moveable with respect to a valve needle seating through a range of movement between a closed position and an open position to control fuel delivery through the at least one nozzle outlet. The movement of the nozzle needle is controlled by fuel pressure within a control chamber. The injector has first and second nozzle control valves for controlling fuel flow into and out of the control chamber to pressurise and depressurise the control chamber, respectively. The first nozzle control valve can operate selectively to place the control chamber in fluid communication with a fuel drain or to place the control chamber in fluid communication with a high pressure supply line. The second nozzle control valve can operate selectively to place the control chamber in fluid communication with a fuel drain.