Method and device for diagnosing an air-conditioning loop of a m

Details Method and device for diagnosing an air-conditioning loop of a m Method and device for diagnosing an air-conditioning loop of a m

1998-12-17

2000-08-15

Tanner, Harry B.

Refrigeration

With indicator or tester

Diverse function indicators or testers

62129, F25B 4902

Patent

active

061018201

ABSTRACT:
In a method of diagnosing an air-conditioning loop of a motor vehicle an undercooling value is determined from parameters of the loop. An overheating value is determined from parameters of the loop. The undercooling value is compared with minimal and maximal values. The overheating value is compared with minimal and maximal values. The comparison results are processed to provide information about the operational status of the loop.

REFERENCES:
patent: 5214918 (1993-06-01), Oguni et al.
patent: 5239865 (1993-08-01), Salzer et al.
patent: 5381669 (1995-01-01), Bahel et al.
patent: 5560213 (1996-10-01), Wieszt
patent: 5627770 (1997-05-01), Barbier et al.
patent: 5647222 (1997-07-01), Sarakinis

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