Invention Grant
- Patent Title: Common rail fuel system having pump-accumulator injectors
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Application No.: US15288729Application Date: 2016-10-07
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Publication No.: US10830194B2Publication Date: 2020-11-10
- Inventor: Scott F. Shafer , Dennis H. Gibson , Zhenyu (Jason) Li , Robert Michael Campion , Alan Ray Stockner , Satya Naga Deepak Pillarisetti , George Kodikulam Joseph , Lifeng Wang
- Applicant: Caterpillar Inc.
- Applicant Address: US IL Peoria
- Assignee: Caterpillar Inc.
- Current Assignee: Caterpillar Inc.
- Current Assignee Address: US IL Peoria
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
- Main IPC: F02M47/02
- IPC: F02M47/02 ; F02M55/02 ; F02M63/02 ; F02M57/02 ; F02D41/38 ; F02M59/02 ; F02M63/00

Abstract:
A fuel system is disclosed for use with an engine. The fuel system may have a common rail, a first type of fuel injector fluidly connected to the common rail, and a second type of fuel injector fluidly connected to the common rail. The second type of fuel injector may include a pumping portion having a bore formed therein, and a plunger reciprocatingly disposed in the bore. The second type of fuel injector may also include an accumulator portion fluidly connected to the common rail and configured to receive fuel pushed from the bore of the pumping portion by the plunger, a nozzle portion, and a valve portion fluidly connecting the pumping, nozzle, and accumulator portions.
Public/Granted literature
- US20180100475A1 COMMON RAIL FUEL SYSTEM HAVING PUMP-ACCUMULATOR INJECTORS Public/Granted day:2018-04-12
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