Lubricating system for four-stroke-cycle engine

Details Lubricating system for four-stroke-cycle engine Lubricating system for four-stroke-cycle engine

1995-11-15

1998-01-20

Solis, Erick R.

Internal-combustion engines

Lubricators

Crankcase, pressure control

123196CP, F01M 906

Patent

active

057091854

ABSTRACT:
Disclosed is a lubricating system for lubricating moving parts in a crank case of a four-stroke-cycle engine. The lubricating system comprises an oil tank for holding oil, an oil passage connected to the oil tank and an engine crank chamber, an oil supply means for supplying fine particles of oil held in the oil tank to the moving parts in the crank chamber via the oil passage, and an oil removing means for removing the fine particles of oil applied to the moving parts in the crank chamber, from the crank chamber without forming oil accumulation. To supply the fine particles of oil to the moving parts in the crank chamber, the oil of a liquid form is thrown to impinge against the moving parts in the crank chamber or is mixed with a gas entering the crank chamber. To remove the oil from the crank chamber without forming oil accumulation, the oil supplied to the moving parts is led up into the combustion chamber through the piston, or is returned into the oil tank with a pressure produced by reciprocation of the piston. The oil led into the crank chamber is in a form of fine particles, and therefore can easily be removed from the crank chamber without forming any oil accumulation.

REFERENCES:
patent: 2728412 (1955-12-01), Bolsius et al.
patent: 3554322 (1971-01-01), Deutschmann
patent: 4075099 (1978-02-01), Pelton et al.
patent: 4121551 (1978-10-01), Turner
patent: 4445592 (1984-05-01), New et al.
patent: 4681189 (1987-07-01), Krisiloff
patent: 4794896 (1989-01-01), Tsai et al.
patent: 5454354 (1995-10-01), Miller
patent: 5570662 (1996-11-01), Niemchick et al.
patent: 5582145 (1996-12-01), Aizawa et al.

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