SCROLL DEVICE FOR COMPRESSION OR EXPANSION

• Main Authors: KANE, MALICK, MERMINOD, ANTOINE, CRETEGNY, DANILO
• Format: Patent
• Language: English; French
• Published: 23.04.2009
• Subjects: BEARINGS; BLASTING; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINE PLANTS IN GENERAL; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS; SHAFTS; STEAM ENGINES; THERMAL INSULATION IN GENERAL; WEAPONS

A device for varying pressure of a fluid comprising a scroll case (11) containing a fixed scroll (12) and a mobile scroll (13) relatively to the case, and with admission (A) and outlet (B) ports for the fluid, characterized in that it comprises means for thermally insulating the scrolls. La présente invention concerne un dispositif pour faire varier une pression d'un fluide qui comprend un carter de volute (11) contenant un volute fixe (12) et un volute mobile (13) par rapport au carter, et pourvu d'orifices d'admission (A) et de sortie (B) pour le fluide, caractérisé en ce qu'il comporte des moyens pour isoler les volutes thermiquement.