ELECTROMOTIVE EXPANSION VALVE AND REFRIGERATION CIRCUIT

An electromotive expansion valve for a refrigeration circuit for expanding a two-phase refrigerant may include a hydraulic flange for integrating the expansion valve into the refrigeration circuit, a housing fastened to the hydraulic flange, a valve body unit for controlling a flow opening of the hy...

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Bibliographische Detailangaben
Hauptverfasser:	Van Delden, Jeffrey, Zahlecker, Manuel
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	An electromotive expansion valve for a refrigeration circuit for expanding a two-phase refrigerant may include a hydraulic flange for integrating the expansion valve into the refrigeration circuit, a housing fastened to the hydraulic flange, a valve body unit for controlling a flow opening of the hydraulic flange, and an electric motor for axially adjusting the valve body unit. A rotor of the motor may include a rotor sleeve with an internal threading. The valve body unit may include a drive rod extending axially into the rotor sleeve. The drive rod may include an external threading engaging the internal threading of the rotor sleeve. The drive rod may extend axially through a bearing bushing. A torque-proof axial guide may be disposed between the bearing bushing and the drive rod such that the valve body unit is torque-proof while the rotor is turning and adjusts itself axially.