Scroll machine with reverse rotation protection

Details Scroll machine with reverse rotation protection Scroll machine with reverse rotation protection

1992-12-09

1994-06-14

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 69, 418 94, 418181, 188290, 417313, 192 4B, F04C 1804, F04C 2902, F16D 5702, F16D 6702

Patent

active

053205073

ABSTRACT:
A scroll compressor has a fluid brake for resisting and impeding objectionable reverse movement of the orbiting scroll member. The brake includes a one-way clutch interconnecting a drive shaft and a paddle disposed in the compressor oil sump, and optionally a rotor shield for controlling oil flow around the lower end of the motor rotor. A two piece paddle has a rotatable paddle having blades to impart angular momentum to the lubricating oil and a stationary housing having vanes to resist the angular momentum imparted to the lubricating oil by the blades of the rotatable housing.

REFERENCES:
patent: 1956188 (1934-04-01), Black
patent: 1992912 (1935-02-01), de la Mater
patent: 2922378 (1960-01-01), Pabst
patent: 3509743 (1970-05-01), Johnson
patent: 3918830 (1975-11-01), Schneider
patent: 4696630 (1987-09-01), Sakata et al.
patent: 4697673 (1987-10-01), Omata
patent: 4820130 (1989-04-01), Eber et al.
patent: 4836347 (1989-06-01), Johnson et al.
patent: 4998864 (1991-03-01), Muir

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