Lubrication system for a rotary-piston internal combustion engin

Details Lubrication system for a rotary-piston internal combustion engin Lubrication system for a rotary-piston internal combustion engin

1989-08-09

1990-07-10

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

418 87, 418 94, 418104, F01C 2104

Patent

active

049404008

ABSTRACT:
A lubrication system for a rotary-piston internal combustion engine of the trochoid type with a multi-arc-shaped trochoidal surface and a multi-cornered piston supported on a roller bearing. A dosed quantity of lubricating oil is supplied through an axial bore in the shaft and radial bores in the eccentric into the axial center of the bearing of the eccentric. The outer bushing of this bearing has a U-shaped axial cross-sectional shape and is provided with central radial bores which are aligned with bores in the piston and communicate with axial channels in the piston, the latter channels leading to radial bores in the internal gear of the mechanism. The cross-sectional aperture of these bores may be used to control the quantity of oil supplied to the gear mechanism.

REFERENCES:
patent: 3213801 (1965-10-01), Venyger
patent: 3323713 (1967-06-01), Wenderoth et al.
patent: 3712766 (1973-01-01), Jones
patent: 3832980 (1974-09-01), Fujikawa et al.
patent: 3907307 (1975-09-01), Maurer et al.
patent: 4218200 (1980-08-01), Morita et al.
patent: 4293289 (1981-10-01), Morita
patent: 4308002 (1981-12-01), Di Stefano
patent: 4830591 (1989-05-01), Eiermann et al.

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