Refrigerant filling diagnostic procedure for vehicle heat pump systems

DE102026103595A1Undetermined Publication Date: 2026-08-06FORD GLOBAL TECH LLC
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
FORD GLOBAL TECH LLC
Filing Date
2026-01-28
Publication Date
2026-08-06

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Abstract

A diagnostic test for heat pumps involves heating the refrigerant in the heat pump's refrigerant circuit. The temperature and pressure of the heated refrigerant can be measured, and these measurements can be compared to those of properly charged systems to determine if the heat pump system is correctly charged.
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