Protective device for rotary engine oil seal

Details Protective device for rotary engine oil seal Protective device for rotary engine oil seal

1974-06-10

1976-09-21

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

039816427

ABSTRACT:
An oil seal protector for rotary engines is provided to prevent deleterious combustion gases from damaging the oil sealing assemblies provided on each side of the engine rotor. The sealing assemblies include an O-ring and the protective device comprises annular grooves which extend completely about the sealing assembly on each side of the rotor and which are located radially outwardly from such sealing assemblies. A seal ring is fitted within each of the annular grooves of the protective device and spring means are provided for urging the ring against the sides of the engine housing.

REFERENCES:
patent: 3179331 (1965-04-01), Paschke et al.
patent: 3300127 (1967-01-01), Yamamoto et al.
patent: 3481312 (1969-12-01), Bensinger et al.
patent: 3535061 (1970-10-01), Yamamoto et al.
patent: 3764240 (1973-10-01), Griffith

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