Apparatus for preventing the rise of oil in a stirling engine

Details Apparatus for preventing the rise of oil in a stirling engine Apparatus for preventing the rise of oil in a stirling engine

1987-02-18

1987-12-08

Husar, Stephen F.

Power plants

Motor operated by expansion and/or contraction of a unit of...

Unit of mass is a gas which is heated or cooled in one of a...

60520, F02G 104

Patent

active

047110910

ABSTRACT:
An apparatus for preventing lubricating oil from rising to the working spaces of a Stirling engine has a first and a second oil-absorbing member disposed within a cylindrical member in which a rod reciprocates. The first oil-absorbing member is secured to the rod with its outer periphery in sliding contact with the inner wall of the cylindrical member, and the second oil-absorbing member is secured to the cylindrical member with its inner periphery in sliding contact with the rod. A first baffle plate having a hole which is larger than the rod is secured to the cylindrical member immediately below and in intimate contact with the second oil-absorbing member. The first baffle plate makes the flow speed of gas through the second oil-absorbing member higher from above to below than from below to above. As a result, oil is continually blown downwards by a blast of accelerated gas and is returned to the crankcase of the engine.

REFERENCES:
patent: 1894771 (1933-01-01), Karasinski
patent: 3055720 (1962-09-01), Price
patent: 4620418 (1986-11-01), Fujiwara et al.

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