US 12,435,678 B2
Engine cylinder with liner
Matthew Daniel De Lise, Brookfield, WI (US)
Assigned to DeltaHawk Engines, Inc., Racine, WI (US)
Filed by DeltaHawk Engines, Inc., Racine, WI (US)
Filed on Sep. 6, 2024, as Appl. No. 18/827,176.
Application 18/827,176 is a continuation of application No. 18/337,844, filed on Jun. 20, 2023, granted, now 12,110,836.
Application 18/337,844 is a continuation of application No. 17/889,789, filed on Aug. 17, 2022, granted, now 11,719,182.
Prior Publication US 2024/0426258 A1, Dec. 26, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F02F 1/00 (2006.01); F02B 75/02 (2006.01); F02B 75/22 (2006.01)
CPC F02F 1/004 (2013.01) [F02B 75/02 (2013.01); F02B 75/22 (2013.01); F02B 2075/025 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An inverted V block, two stroke engine, comprising:
a central axis;
a crankcase comprising a crankcase surface that extends along a plane from a first side of the crankcase to a second side of the crankcase opposite the first side, the plane is oriented at a non-zero angle with respect to the central axis, the crankcase surface comprising an uninterrupted portion extending from the first side to the second side along the plane;
a cylinder extending along the central axis, the cylinder comprising a first end and a second end opposite the first end along the central axis;
an opening centered on the central axis and defined by the first end of the cylinder; and
a liner positioned within the cylinder and protruding through the opening and beyond the crankcase surface in a first direction along the central axis at the first end of the cylinder.