Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Patent
1997-11-18
1999-04-27
Cuda, Irene
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
2988801, B23P 1500
Patent
active
058966560
ABSTRACT:
A method of attaching an internal combustion engine piston oiler includes the step of removing a crank shaft from an internal combustion engine to expose a plurality of block main bearing surfaces, selecting a drill guide shaped to fit one of the engine block main bearing surfaces, which drill guide has a predetermined drill guide bore therethrough, and positioning the selected drill guide on the engine block main bearing surface. The method includes positioning a drill bit through the bore in the selected drill guide and drilling a predetermined bore through the engine block webbing from one main bearing surface into the rear of the engine cylinder and then tapping the bore drilled into the engine block and installing an oil metering jet into the drilled and tap bore. The method also includes drilling an aperture into the oil groove in the crank shaft main bearing generally aligned with the engine main bearing surface drilled opening and then replacing the crank shaft in the engine block with the engine oil jet installed to enhance the lubrication of the engine piston dome and wrist pin. The process is repeated for each of the engine cylinders.
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patent: 4794896 (1989-01-01), Tsai et al.
patent: 5002025 (1991-03-01), Crouse
patent: 5201805 (1993-04-01), Schubert
Cuda Irene
Hobby III William M.
LandOfFree
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