Windage loss reduction arrangement for scroll fluid device

Details Windage loss reduction arrangement for scroll fluid device Windage loss reduction arrangement for scroll fluid device

1992-02-20

1994-10-11

Vrablik, John J.

Pumps

Motor driven

Electric or magnetic motor

418 551, 418188, F01C 104, F01C 2100, F04B 3504

Patent

active

053541847

ABSTRACT:
A windage loss reduction system for a co-rotating scroll fluid device includes clearance reducing or optimizing elements mounted between rotating and fixed members of the scroll fluid device and which may be used individually or collectively to reduce centrifugal and axial fluid flow of ambient gases caused the rotating elements to improve the efficiency of the scroll fluid device. The windage loss reducing elements are located between fixed housing elements and the rotor, drive shaft, and scroll elements of the device.

REFERENCES:
patent: 4514150 (1985-04-01), Hiraga et al.
patent: 4815951 (1989-03-01), Kakuda et al.
patent: 4927339 (1990-05-01), Riffe et al.
patent: 4936756 (1990-06-01), Shimizu et al.

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