Invention Grant
- Patent Title: Fuel injector having valve seat orifice plate with valve seat and drain and re-pressurization orifices
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Application No.: US17021461Application Date: 2020-09-15
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Publication No.: US11591995B2Publication Date: 2023-02-28
- Inventor: Cory Andrew Brown , Matthew Robert Vanderveen , Andrew Justin Wallis , Michael Curtis Herr , Dana Ray Coldren
- Applicant: Caterpillar Inc.
- Applicant Address: US IL Peoria
- Assignee: Caterpillar Inc.
- Current Assignee: Caterpillar Inc.
- Current Assignee Address: US IL Peoria
- Agency: Brannon Sowers & Cracraft PC
- Main IPC: F02M61/04
- IPC: F02M61/04 ; F02M51/06 ; F02M55/00 ; F02M61/18

Abstract:
A fuel injector includes an injector housing, an outlet check, an injection control valve assembly, and a valve seat orifice plate integrating a valve seat and various orifices for outlet check control. In the valve seat orifice plate a drain orifice extends between a valve seat surface and a check control chamber formed between a closing hydraulic surface of the outlet check and the valve seat orifice plate. First and second re-pressurization orifices extend between an outer surface of the valve seat orifice plate and the check control chamber.
Public/Granted literature
- US20220082073A1 FUEL INJECTOR HAVING VALVE SEAT ORIFICE PLATE WITH VALVE SEAT AND DRAIN AND RE-PRESSURIZATION ORIFICES Public/Granted day:2022-03-17
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