F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
F04C 18/02 (2006.01) F04C 2/02 (2006.01) F04C 29/00 (2006.01) F16D 7/10 (2006.01)
Patent
CA 2270262
Disclosed is a scroll-type compressor comprising a rotation shaft, an eccentric drive pin located on a part positioned away from a central axis of the rotation shaft, an orbiting scroll member to which power is transmitted from the rotation shaft via the eccentric drive pin, a fixed scroll member fitted to the orbiting scroll member such that spiral wraps of each are engaged with each other, and a power transmission mechanism having a function of transmitting power from the rotation shaft to the eccentric drive pin, and for idling the rotation shaft when a load on the orbiting scroll member exceeds a certain value. The power transmission mechanism comprises a closed ended cylindrical member with grooves having a substantially semi-circular cross-section formed in an inner wall of a bore of the cylindrical member in a height direction thereof, and with the eccentric drive pin protrudingly provided at a position eccentric to the center of the closed end, a cylindrical resilient roller centrally provided on the closed end inside the bore of the closed ended cylindrical member, and rollers provided so as to be inscribed in the substantially semi-circular cross-section grooves, and so as to come into contact with an outer peripheral surface of the resilient roller, and projections formed at a tip of the rotation shaft are insertingly fitted so as to fill spaces between the rollers.
Marks & Clerk
Mitsubishi Heavy Industries Ltd.
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