Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1986-10-29
1987-11-17
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29 33K, 29240, 292811, 29407, 29434, 29464, 29525, 29705, 29721, B23P 1500, B23P 2100
Patent
active
047063530
ABSTRACT:
A method for and an apparatus for assembly of rotating ring rotary compressors is disclosed. A cylinder, shaft, roller and supports are initially assembled together, fixing means being kept in a slackened position. A preliminary centering operation is then carried out for bringing the axis of the shaft into a diametral plane of the cylinder constituting a predetermined reference plane. This operation is carried out by orientation of the shaft into two angular positions spaced from each other by 180.degree.. The shaft is then oriented relative to the cylinder, the region of maximum eccentricity of the core being brought into the said reference plane. The support and the cylinder (this latter with the interposition of the roller) are then pressed onto the shaft by a thrust exerted in the said predetermined plane. They are thus brought into and held in a position of firm mutual contact: the cylinder on the roller, the roller on the eccentric core of the shaft and the support on the shaft at the sides of the eccentric core. The shaft and the support being kept in the position of firm contact, the cylinder is then given a relative movement of a predetermined magnitude in the opposite direction from the direction of the force previously exerted. The magnitude of this movement identifies the minimum aperture which is established, in use, between the outer surface of the roller and the wall of the compression chamber.
REFERENCES:
patent: 4547131 (1985-10-01), Riffe et al.
patent: 4575319 (1986-03-01), Terauchi
patent: 4584750 (1986-04-01), Ozu et al.
patent: 4649611 (1987-03-01), Ikeda et al.
Sesona Giancarlo
Zgliczynski Marek
Aspera S.r.l.
Goldberg Howard N.
Wallace Ronald S.
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