Invention Grant
- Patent Title: Fuel injector nozzle assembly including needle having flow guiding tip for directing fuel flow
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Application No.: US17749904Application Date: 2022-05-20
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Publication No.: US12078136B2Publication Date: 2024-09-03
- Inventor: Kenth I Svensson , Russell P Fitzgerald
- 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: F02M47/02
- IPC: F02M47/02 ; F02M61/10 ; F02M61/18

Abstract:
A fuel injector includes a nozzle needle movable within an injector housing and including a flow guiding tip. The flow guiding tip includes an outer ramp surface, defining, in profile, a concave curve and a fuel trajectory line tangent to the concave curve and extending through a spray orifice inlet to direct fuel into the same. Related methodology is also disclosed.
Public/Granted literature
- US20230374961A1 FUEL INJECTOR NOZZLE ASSEMBLY INCLUDING NEEDLE HAVING FLOW GUIDING TIP FOR DIRECTING FUEL FLOW Public/Granted day:2023-11-23
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