Multipiece eccentric shaft

Details Multipiece eccentric shaft Multipiece eccentric shaft

1989-11-28

1991-06-25

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 94, 418151, 184 618, 464181, F04C 1804, F04C 2900, F01M 1102, F16C 314

Patent

active

050262629

ABSTRACT:
A crankshaft having a main bearing portion, formed by metal forging, casting or powdered metallurgy, and having coupled thereto a rotor stub portion comprising a steel tube fixedly secured to the main bearing portion, such as by press fitting, friction or laser welding. The rotor stub portion of the crankshaft is formed with suitable oil hole passages to deliver oil through the rotor stub portion to any desired location along this portion of the crankshaft.

REFERENCES:
patent: 4488855 (1984-12-01), Butterworth
patent: 4704918 (1987-11-01), Orkin et al.
patent: 4762478 (1988-08-01), Sakurai et al.

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