Threaded-rotor compressor

Details Threaded-rotor compressor Threaded-rotor compressor

1995-02-03

1997-02-04

Thorpe, Timothy

Pumps

Motor driven

Electric or magnetic motor

4174104, F04B 1700

Patent

active

055991769

ABSTRACT:
A rotary compressor with enmeshment between a helically geared male rotor and a helically geared female rotor. The bearing housings on the drive side (3) and the pressure side (15) have spigots (14) which protrude into the bores inside of the rotors (12, 12a). The rotors (12, 12a) are mounted on the drive side in plain bearings (6, 22) as well as in radial bearings (9, 21) and are anchored with securing elements by means of shaft nuts (10, 19). On the mounting on the pressure side (15) radial bearings (16, 17) are used to mount the rotors (12, 12a). A torsion shaft (4) for the clutch half of the compressor drive (1) is guided through a bore on the drive side in the bearing housing (3) and in one of the four spigots (14). The torsion shaft (4), furthermore, could be coupled with the rotor (12) at the pressure side of the bearing housing (15).

REFERENCES:
patent: 1834976 (1931-12-01), Schmidt
patent: 3417915 (1988-12-01), Granberg
patent: 4293290 (1981-10-01), Swanson
patent: 4490102 (1984-12-01), Carre et al.
patent: 4674960 (1987-06-01), Rando et al.
patent: 4886437 (1989-12-01), Schubert
patent: 5295798 (1994-03-01), Maruyama et al.
patent: 5374173 (1994-12-01), Maruyama et al.
patent: 5449278 (1995-09-01), Maruyama et al.

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