Vehicle configured to detect low refrigerant charge
AssigneeFord Global Technologies, LLC
InventorsRohan Shrivastava, Changchun Li, Jan Xu, Jennifer Helen Chang
Life of this patent
Estimating the term…
Abstract
This disclosure relates to a vehicle configured to detect a low refrigerant charge and a corresponding method. In some aspects, the techniques described herein relate to a vehicle, including: a thermal conditioning system including a compressor and a suction pressure sensor upstream of the compressor; and a controller in communication with the compressor and the suction pressure sensor, wherein the controller is configured to perform a technique to monitor for a low charge condition, and the controller is configured to inhibit a low pressure cutoff when the controller is performing technique.
Claims18
A vehicle, comprising:
- a thermal conditioning system including a compressor and a suction pressure sensor upstream of the compressor;
- and
- a controller in communication with the compressor and the suction pressure sensor, wherein the controller is configured to perform a technique to monitor for a low charge condition, wherein the controller is configured to inhibit a low pressure cutoff when the controller is performing the technique, wherein the controller is configured to perform the technique while the compressor is running, and wherein the controller is configured to inhibit the low pressure cutoff only after the controller has first determined that the compressor is functioning properly.
A method, comprising:
- performing a technique to monitor for a low charge condition in a thermal conditioning system of a vehicle, wherein the thermal conditioning system includes a compressor, wherein the compressor is running during performance of the technique;
- performing a test of a functionality of the compressor;
- and
- inhibiting a low pressure cutoff during performance of the technique only if the test indicates the compressor is functioning properly.
Dependencies are inferred from the claim text.