Lubricant metering system for rotary piston mechanism

Details Lubricant metering system for rotary piston mechanism Lubricant metering system for rotary piston mechanism

1977-07-25

1978-09-26

Vrablik, John J.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

Non-working fluid passage in inner working or reacting member

418142, F01C 1908, F01C 2104

Patent

active

041165934

ABSTRACT:
The lubricant metering system is for a rotary piston mechanism of the Wankel type and provides for by-passing a predetermined amount of lubricant past the oil seal ring carried by the rotary piston. The by-pass is one or more radially extending recesses of small total flow area in the contact surface of the oil seal ring, each of the recesses being in the nature of a scratch.

REFERENCES:
patent: 3718412 (1973-02-01), McCormick
patent: 3869229 (1975-03-01), Kurio

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