Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent
1977-05-16
1978-08-22
Lazarus, Ronald H.
Internal-combustion engines
Lubricators
Crankcase, pressure control
123 4184, F01M 100
Patent
active
041081358
ABSTRACT:
An arrangement for external oiling of cylinder liners of internal combustion engines. The cylinder liners are flanged and are inserted directly into the bores of the cylinder block. An annular chamber is provided in the bores and/or the cylinder liners near the cylinder head. The annular chamber is connected to a feed line for the supply of engine lubricating oil. From the annular chamber, especially in order to prevent fretting corrosion, the engine lubricating oil, uniformly distributed over the circumference and partly in a pulsating fashion, slowly seeps downwardly through the clearance between the bore and the cylinder liner. The lubricating oil then flows into the oil pan. At least one oil drain line is provided to prevent a pressure buildup and is connected with an annular space arranged above the annular chamber toward the cylinder head and as close as possible to the upper end of the cylinder liner between the latter and the bore of the cylinder block; the engine lubricating oil in the annular chamber is at a predetermined pressure.
REFERENCES:
patent: 1764739 (1930-06-01), Meyer
Becker Walter
Lazarus Ronald H.
Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
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