Screw compressors with rotor and casing design for...

Rotary kinetic fluid motors or pumps – Runner has spirally arranged blade or fluid passage – Extending along runner axis

Reexamination Certificate

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Details

C415S176000, C415S177000, C415S178000, C416S176000, C416S177000

Reexamination Certificate

active

06881026

ABSTRACT:
A screw compressor includes a housing and a screw rotor disposed in the housing and rotatable relative to the housing for compressing a refrigerant, the housing and the screw rotor having a rest condition, and an operating condition wherein at least one of the housing and the rotor deflect from the rest condition, and structure for at least one of reducing deflection from the rest condition and evenly distributing deflection from the rest condition when the rotor is in the operating condition, whereby clearance between the housing and the rotor is optimized in the operating condition.

REFERENCES:
patent: 3-78594 (1991-04-01), None

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