Axial cylinder internal combustion engine
AssigneeCessna Aircraft Company
InventorCesar Gonzalez
Life of this patent
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Abstract
A barrel type internal combustion engine having a plurality of axially-positioned cylinders, with reciprocating pistons, arranged in a circular pattern with a drive shaft supported in a cylinder block in a cantilevered manner by a sleeve bearing and a wobble spider rotatably supported on an offset portion of the drive shaft by a second sleeve bearing. A first roller bearing positioned between the offset portion of the drive shaft and the wobble spider, and another roller bearing at the opposite end of the drive shaft acting in opposition to the first roller between the shaft and the engine block supporting thrust loads.
Claims11
A barrel type internal combustion engine including an engine block having a plurality of axial-positioned cylinders with reciprocating pistons arranged in a circular pattern:
- a drive shaft concentrically positioned within the cylinder block having an offset portion extending outside the cylinder block;
- a wobble spider rotatably journaled to said offset portion;
- connecting rods for each cylinder connecting each piston to the wobble spider;
- the improvement comprising:
- a first sleeve bearing means supporting the drive shaft in the engine block in a cantilevered manner for radial loads;
- a second sleeve bearing means rotatably supporting the wobble spider on the offset portion of the drive shaft for radial loads;
- a first roller bearing means positioned between the offset portion of the drive shaft and the wobble spider carrying thrust loadings only;
- a second roller bearing means carrying thrust loads only reacting to the first roller bearing located on the opposite end of the driveshaft between the shaft and the engine block.
Dependencies are inferred from the claim text.