The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 19, 2024
Filed:
Mar. 31, 2021
Denso International America, Inc., Southfield, MI (US);
Sibu Varughese, Sterling Heights, MI (US);
Martín Nespolo, Grosse Pointe Woods, MI (US);
Thomas Krzyzak, Livonia, MI (US);
Gareth Webb, New Hudson, MI (US);
Wilson Yim, Troy, MI (US);
Matthew Johnson, Royal Oak, MI (US);
DENSO International America, Inc., Southfield, MI (US);
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.