IP Library Granted Patent US 11,906,051
Granted Patent B2
US 11,906,051 · App. 17/515,186 · Granted Feb 20, 2024

Internal combustion engine

Inventors: Williams Muñoz (Estado de México, MX); Jaime Lopez Ku (Estado de México, MX)
Assignee: Nissan North America Inc.
F16J9/24F02F3/00F16J9/26
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,906,051
App. No.
17/515,186
Granted
Feb 20, 2024
Kind
B2
Abstract

An internal combustion engine includes a combustion chamber, a piston a plurality of piston rings. The combustion chamber has a bore wall. The piston is configured to move relative to the bore wall. The plurality of piston rings is provided to the piston. Each of the piston rings has a main body that is circular. Each of the pistons rings further has a stopper that protrudes from the main body.

Claims (28)

1. An internal combustion engine; comprising:

a combustion chamber having a bore wall;

a piston configured to move relative to the bore wall; and

a plurality of piston rings provided to the piston, each of the piston rings having a main body that is circular, each of the pistons rings further having a stopper that protrudes from the main body,

the plurality of piston rings including a first ring that is a seal ring,

the first ring including a first main body that has a first gap,

the first ring further including a first stopper that protrudes from the first main body at a location circumferentially offset of the first gap,

the plurality of piston rings including a second ring that is a temperature ring,

the second ring including a second main body that has a second gap, the second ring further including a second stopper that protrudes from the second main body at a location circumferentially offset of the second gap,

the second gap being circumferentially offset of the first gap along a center axis of the piston, the second stopper being circumferentially offset of the first stopper along the center axis of the piston.

2. The internal combustion engine according to claim 1 , wherein

the plurality of piston rings includes a third ring that is an oil ring.

3. The internal combustion engine according to claim 1 , wherein

the third ring includes a third main body that has a third gap, the third ring further includes a third stopper that protrudes from the third main body at a location circumferentially offset of the third gap.

4. The internal combustion engine according to claim 1 , wherein

the third ring includes a fourth main body that has a fourth gap, the third ring further includes a fourth stopper that protrudes from the fourth main body at a location circumferentially offset of the fourth gap.

5. The internal combustion engine according to claim 1 , wherein

the third gap is circumferentially offset of the first and second gaps along the center axis of the piston.

6. The internal combustion engine according to claim 1 , wherein

the fourth gap is circumferentially offset of the first, second and third gaps along the center axis of the piston.

7. The internal combustion engine according to claim 1 , wherein

the third stopper is circumferentially offset of the first and second stoppers along the center axis of the piston.

8. The internal combustion engine according to claim 1 , wherein

the fourth stopper is circumferentially offset of the first, second and third stoppers along the center axis of the piston.

9. The internal combustion engine according to claim 8 , wherein

the piston includes a first, second, third and fourth recess that receive the first, second, third and fourth stoppers, respectively.

10. The internal combustion engine according to claim 1 , wherein

the piston includes a plurality of recesses that fittedly receive the stoppers of the plurality of piston rings.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 14, 2024
From: NISSAN NORTH AMERICA, INC.
To: NISSAN NORTH AMERICA, INC.
Reel/Frame 067982/0980 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 29, 2021
From: MUÑOZ, WILLIAMS; KU, JAIME LOPEZ
To: NISSAN NORTH AMERICA, INC.
Reel/Frame 057968/0057 →
Continuity (1)
Related Publication 20230137241A1 · May 4, 2023