Scroll type fluid displacement apparatus with improved fixed...

Details Scroll type fluid displacement apparatus with improved fixed... Scroll type fluid displacement apparatus with improved fixed...

F - Mech Eng,Light,Heat,Weapons

04

C

230/37

F04C 18/02 (2006.01)

Patent

CA 1299546

SCROLL TYPE FLUID DISPLACEMENT APPARATUS WITH IMPROVED FIXED SCROLL CONSTRUCTION ABSTRACT OF THE DISCLOSURE A scroll type fluid displacement apparatus including an orbiting scroll and a fixed scroll, each having an end plate and a spiral element is disclosed. The spiral ele- ments interfit at an angular and radial offset to form a plurality of line contacts between the spiral curved sur- faces to define at least one pair of fluid pockets. A driv- ing mechanism is operatively connected to the orbiting scroll for orbiting the orbiting scroll relative to the fixed scroll while preventing rotation of the orbiting scroll. This changes the volume of the fluid pockets. A plurality of threaded holes are formed through the end plate of the fixed scroll for attaching the fixed scroll to the inner end surface of projecting portions of the compressor housing. The projecting portions extend toward the fixed scroll and have threaded holes formed therein. A bolt is screwed through the fixed scroll holes and into the holes in the projecting portions to attach the fixed scroll to the housing.

556243

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