Method and apparatus for lubricating a rotary engine

Details Method and apparatus for lubricating a rotary engine Method and apparatus for lubricating a rotary engine

1989-04-28

1990-03-27

Wolfe, Willis R.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

With pump for non-working fluid

418 91, 418 98, F01C 2104

Patent

active

049116231

ABSTRACT:
A lubricating system for a rotary internal combustion engine includes an oil supply chamber at one end of the rotorshaft to which lubricating oil is supplied by an engine driven oil pump. The oil is caused to flow from the chamber along the rotorshaft and into the interfaces between the various rotating engine components attached to the rotorshaft. In the preferred orientation of the engine with the rotorshaft vertically disposed, oil flow is primarily under the influence of gravity. Oil accumulating in a sump at the lower end of the rotorshaft is circulated to the combustion region of the rotor chamber, utilizing the inherent pressure differential therebetween, where it provides further engine lubrication and is eventually burned. Lubricating oil may also be picked up and circulated from the main supply dispersed along the rotorshaft by the circulating supply of cooling air through the engine, whereby it is transferred in the combustion air supplied to the carburetor.

REFERENCES:
patent: 2975964 (1961-03-01), Osterkamp
patent: 3168237 (1965-02-01), Pasche
patent: 3360192 (1967-12-01), Van Hees
patent: 3804560 (1974-04-01), Bensinger
patent: 3988080 (1976-10-01), Takada
patent: 4011032 (1977-03-01), Steinwart et al.
patent: 4345885 (1982-08-01), Turner
patent: 4844702 (1989-07-01), Ceccherini et al.

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