Scroll-type compressor and CO2 vehicle air conditioning system having a scroll-type compressor

A scroll-type compressor for a CO2 vehicle air conditioning system, having a mechanical drive which is connected by a drive shaft to an eccentric bearing. A movable displacement spiral is rotatably connected to the eccentric bearing and engages into a counterpart spiral such that, between the displa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OBRIST OLIVER, SCHMAELZLE CHRISTIAN, OBRIST FRANK, BUSCH CHRISTIAN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS PRODUCING MECHANICAL POWER PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	A scroll-type compressor for a CO2 vehicle air conditioning system, having a mechanical drive which is connected by a drive shaft to an eccentric bearing. A movable displacement spiral is rotatably connected to the eccentric bearing and engages into a counterpart spiral such that, between the displacement spiral and the counterpart spiral, radially inwardly traveling chambers are formed in order to compress the refrigerant and discharge it into a pressure chamber. Wherein the counterpart spiral is movable in alternating fashion relative to the displacement spiral in an axial direction, wherein, between the counterpart spiral and the displacement spiral, there is arranged at least one spring for exerting an axial release force on the counterpart spiral, and at least one piston engages on the counterpart spiral, in order to exert an axial closing force on the latter, adjacent to the pressure chamber in an off-center position.