Fluid compressing apparatus having bearing gap

Details Fluid compressing apparatus having bearing gap Fluid compressing apparatus having bearing gap

1990-11-05

1992-03-03

Smith, Leonard E.

Pumps

With muffler acting on pump fluid

417902, 417 63, F04B 2100

Patent

active

050927477

ABSTRACT:
A fluid compressing apparatus includes a casing, a compressing unit disposed in the casing, a motor-drive unit located in the casing for driving the compressing unit, and a bearing unit for rotatably supporting the rotational shaft of the motor-drive unit. The fluid compressing apparatus also includes a refrigerant of HFC-134a (CH.sub.2 FCF.sub.3) and a prescribed amount of polyglycol, as a lubricating oil, stored in the casing. The bearing unit and the rotational shaft satisfy the following relationship:

REFERENCES:
patent: 4973068 (1990-11-01), Lebeck

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