IP Library › Granted Patent US 11,371,419
Granted Patent B2
US 11,371,419 · App. 17/443,439 · Granted Jun 28, 2022

Systems for a pre-chamber

Inventors: Xiaogang Zhang (Novi, MI); Claudia Olivia Iyer (Bloomfield Hills, MI); James Yi (West Bloomfiled, MI)
Assignee: Ford Global Technologies, LLC
F02B19/12F02B19/18F02B23/101F02B2023/106F02B2023/108
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Quick Facts
Patent No.
US 11,371,419
App. No.
17/443,439
Granted
Jun 28, 2022
Kind
B2
Abstract

Methods and systems are provided for a pre-chamber. In one example, a pre-chamber comprises a plurality of slots fluidly coupling it to a primary combustion chamber. The plurality of slots comprising a plurality of corresponding flaps configured to direct gases through the plurality of slots.

Claims (8)

1. A system, comprising:

a pre-chamber arranged in a volume of a primary combustion chamber, wherein the pre-chamber comprises a plurality of slots and a plurality of flaps shaped identically to the plurality of slots, wherein the pre-chamber further comprises a hole arranged at a bottom surface of the pre-chamber, wherein a size of the hole is less than a size of each slot of the plurality of slots and wherein there are no other inlets or outlets in the pre-chamber except for the plurality of slots and the hole.

2. The system of claim 1 , wherein a geometric center of the hole is aligned with a geometric center of a spark plug of the primary combustion chamber.

3. The system of claim 1 , wherein each of the plurality of slots and the plurality of flaps comprises a rectangular shape.

4. The system of claim 1 , wherein a shape of the hole is a different shape than a shape of the plurality of slots.

5. The system of claim 1 , wherein a shape of the hole comprises a circle.

6. The system of claim 1 , wherein the plurality of flaps and the plurality of slots are arranged symmetrically about a protection tube of the primary combustion chamber.

7. The system of claim 6 , wherein the plurality of slots extends through an entire thickness of the protection tube.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 26, 2021
From: ZHANG, XIAOGANG; IYER, CLAUDIA OLIVIA; YI, JAMES
To: FORD GLOBAL TECHNOLOGIES, LLC
Reel/Frame 056980/0793 →
Continuity (2)
Continuation 16780707 · Feb 3, 2020
Related Publication 20210355859A1 · Nov 18, 2021
Cited By (1)
US 12,565,849