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| › PXV - Differential Pressure Controlled Valve |
| Category: Expansion device |
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| Application: Mobile Air Conditioning |
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| Company: Egelhof - Obrist |
Country: Germany |
| Contact Name (Egelhof GmbH): Christian Blauth |
Email: click here |
| Contact Name (Obrist): Frank Wolf |
Email: click here |
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Description:
• Expansion device with pressure difference dependent mass flow rate
• Integrated pop open function
• NVH improved
• Pulsation testing completed
• Rough road durability testing completed
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Basic specifications:
• Overall Weight: 5 g
• PXV Diameter: 7,9 mm
• PXV Length: ~58 mm
• Filter Mesh Size: 80 mm
• Filter Surface: 500 mm2
• PXV mass flow curve adaptable on system/costumer requirements
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System Requirements
• Optimized internal system volume and relation between Lp and HP volume
• Optimized system charge
• PXV curve has to be adapted to system size and performance
Advantages:
• Max Cool Down Performance @ transcritical operation
• Close to COP Optimum @ transcritical operation
• COP @ subcritical conditions outperforms R134a
• On mode energy savings through pop open function
• Lower cost than R134a TXV&
• Lower weight and easier
packaging
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PXV - Line Integration
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Test
Result ›› |
