Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gareth Webb0
Sibu Varughese0
Thomas Krzyzak0
Matthew Johnson0
Martín Nespolo0
Wilson Yim0
Date of Patent
March 19, 2024
0Patent Application Number
172184880
Date Filed
March 31, 2021
0Patent Citations
...
Patent Primary Examiner
Patent abstract
A vehicle system includes: a heating, ventilation, and air conditioning (HVAC) system including: a passenger cabin air filter; and a blower configured to draw air through the passenger cabin air filter and blow air into a passenger cabin of a vehicle; an olfaction sensor configured to measure an amount of a chemical in air in a duct of the HVAC system downstream of the passenger cabin air filter; and a filter module configured to determine and indicate whether to replace the passenger cabin air filter based on the amount of the chemical in the air measured by the olfaction sensor.
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