Fluid compressor with axial thrust balancing

Details Fluid compressor with axial thrust balancing Fluid compressor with axial thrust balancing

1989-12-13

1991-07-02

Smith, Leonard E.

Rotary expansible chamber devices

Helical working member

F04B 3902

Patent

active

050282220

ABSTRACT:
A compressor includes a casing wherein a compression section and a drive section are contained. The compression section has a cylinder, a rotary rod eccentrically arranged in the cylinder and rotatable relative to the cylinder, and first and second bearings rotatably supporting suction- and discharge-side ends of the cylinder. A space defined between the inner circumferential surface of the cylinder and the outer circumferential surface of the rod is divided into a plurality of operating chambers by a spiral blade mounted on the rod. A fluid introduced into the suction-side end of the cylinder is transferred to the discharge-side end of the cylinder through the operating chamber while it is compressed. The compressed fluid is discharged into the casing. The pressure of the introduced fluid is applied to a discharge-side end of the rod, and the pressure of the compressed fluid is applied to a suction-side end of the rod.

REFERENCES:
patent: 1698802 (1929-01-01), Montelius
patent: 2095167 (1937-10-01), Burghauser
patent: 2111883 (1938-03-01), Burghauser
patent: 2401189 (1946-05-01), Quiroz
patent: 2527536 (1950-10-01), Engberg
patent: 4462769 (1984-07-01), Schibbye
patent: 4875842 (1989-10-01), Iida et al.

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