Method and apparatus for improving accuracy of A/C diagnostic tests

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United States of America Patent

PATENT NO 9074805
APP PUB NO 20130205806A1
SERIAL NO

13371750

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An apparatus and method are developed to improve accuracy of diagnostic tests for A/C systems. In particular, a refrigerant recovery unit may have its hoses pre-charged with a refrigerant to a predetermined pressure or amount before performing the diagnostic tests on the A/C system of the vehicle. For example, a predetermine amount of refrigerant may be injected into the hoses of the refrigerant recovery unit to pre-charge them. The pre-charged hoses of the refrigerant recovery unit may prevent a refrigerant flow from the A/C system to the hoses connected thereto before the diagnostic tests are implemented and thus, improve the accuracy of the diagnostic tests.

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Patent Owner(s)

  • BOSCH AUTOMOTIVE SERVICE SOLUTIONS INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McMasters, Mark Owatonna, US 35 206

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