Fluid compressor

Details Fluid compressor Fluid compressor

1990-07-06

1992-02-25

Michalsky, Gerald A.

Pumps

Motor driven

Pump within rotary working member

418220, F04C 1816

Patent

active

050908758

ABSTRACT:
A fluid compressor includes a closed case and a cylinder which is arranged in the case and has two opposite ends. A columnar rotating rod is located in the cylinder to be eccentric thereto, and rotatable along with the cylinder. The rod has a spiral groove on the outer circumferential surface thereof, and a spiral blade is fitted in the groove to divide the space between the rod and the cylinder into a plurality of operating chambers. The ends of the cylinder are rotatably supported by first and second bearings. The first bearing is secured to the casing. A drive unit for rotating the cylinder and rod includes a rotor fixed to the cylinder. The rotor has the center of gravity which is apart from the middle of the cylinder in its axial direction toward the first bearing.

REFERENCES:
patent: 2290137 (1942-07-01), Aldridge
patent: 2401189 (1946-05-01), Quiroz
patent: 4871304 (1989-10-01), Iida et al.
patent: 4872820 (1989-10-01), Iida et al.
patent: 4875842 (1989-10-01), Iida et al.

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