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US 2020/0271071 A1Published application
Open-faced piston assembly
AssigneeMainspring Energy, Inc.
InventorMatt Svrcek
Life of this patent
Estimating the term…
Abstract
The present disclosure provides an open-faced piston with a circumferential groove into which a piston ring assembly is arranged. Openings at the bottom of the circumferential groove and between a front land of the open-faced piston and the piston face are provided. The openings are arranged to allow for a combustion reaction to propagate through the volume defined between the bottom of the piston ring assembly and the piston face such that at least a portion of an air and fuel mixture located in that volume is reacted.
Claims20
A piston comprising:
- a circumferential groove that extends at least partially around an outer surface of the piston, wherein the circumferential groove is configured to accommodate a piston ring assembly;
- and
- a radially inward wall of the circumferential groove, a majority of which comprises a plurality of openings.
A piston assembly comprising:
- a piston comprising:
- a circumferential groove that extends at least partially around an outer surface of the piston, wherein the circumferential groove is configured to accommodate a piston ring assembly, and
- a radially inward surface of the circumferential groove, a majority of which comprises a plurality of openings;
- and
- a piston ring assembly arranged within the circumferential groove.
2 more elements
A piston comprising:
- a circumferential groove that extends at least partially around an outer surface of the piston, wherein the circumferential groove is configured to accommodate a piston ring assembly;
- a piston face;
- a front land attached to a radially inward side of the circumferential groove;
- and
- a plurality of openings arranged between the piston face and the front land, wherein the plurality of openings form a gas path to the circumferential groove, and wherein at least a majority of the circumferential groove is open.
2 more elements
Dependencies are inferred from the claim text.