CONNECTING ROD LUBRICATION RECESS
First Claim
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1. A method of manufacturing a connecting rod, comprising:
- providing a connecting rod blank, where the connecting rod blank includes a crankshaft end and a piston pin end; and
forming a crankshaft pin recess in the crankshaft end of the connecting rod blank, a piston pin recess in the piston pin end, and at least one lubrication recess in the piston pin end of the connecting rod blank; and
wherein the lubrication recess and the piston pin recess are both formed concurrently.
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Abstract
A connecting rod and methods of making a rod are disclosed. A method of making a connecting rod may include the step of providing a connecting rod blank, where the connecting rod blank includes a crankshaft end and a piston pin end. The method may further include forming a crankshaft pin recess in the crankshaft end of the connecting rod blank and a piston pin recess in the piston pin end, and forming at least one lubrication recess in the piston pin end of the connecting rod blank. The lubrication recess and the piston pin recess may both formed concurrently.
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Citations
20 Claims
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1. A method of manufacturing a connecting rod, comprising:
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providing a connecting rod blank, where the connecting rod blank includes a crankshaft end and a piston pin end; and forming a crankshaft pin recess in the crankshaft end of the connecting rod blank, a piston pin recess in the piston pin end, and at least one lubrication recess in the piston pin end of the connecting rod blank; and wherein the lubrication recess and the piston pin recess are both formed concurrently. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of manufacturing a piston, comprising:
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making a connecting rod, including; providing a connecting rod blank, where the connecting rod blank includes a crankshaft end and a piston pin end, and forming a crankshaft pin recess in the crankshaft end of the connecting rod blank, a piston pin recess in the piston pin end of the connecting rod blank, and at least one lubrication recess at an inner surface of the piston pin recess, wherein the at least one lubrication recess includes a outer profile having a final predetermined configuration; assembling the connecting rod to a piston, the connecting rod including the predetermined final configuration of the outer profile; and substantially defining the predetermined final configuration of the outer profile of the at least one lubrication recess during the forming of the lubrication recess step. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A connecting rod, comprising:
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a shaft extending between a piston pin end and a crankshaft pin end, the piston pin end defining a piston pin bore opening, wherein the piston pin end includes a front face and a rear face; a piston pin bore surface defined by the piston pin bore opening, the piston pin bore surface including a longitudinal surface extending between the front face of the piston pin and the rear face of the piston pin end; and at least one lubrication recess located at the piston pin bore surface, the lubrication recess extending through a portion of the longitudinal surface of the piston pin bore surface, wherein the at least one lubrication recess intersects one of the front face and the rear face of the piston pin end. - View Dependent Claims (18, 19, 20)
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Specification