Patent · US Expired

Hydrocarbon sensor and collector

US7056474B2 · kind B2 · utility

18Cited by
19References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 2001
Grant dateJun 6, 2006
Priority date
Expiry dateJul 24, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/25875
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A hydrocarbon sensor and collector. An element that is capable of absorbing and releasing hydrocarbons is positioned in the air intake system of a vehicle, upstream from the engine and wholly in the airflow. The element has a plurality of chambers defined in it that allow air to pass through the element. The hydrocarbon sensor and collector also includes a means for detecting the level of hydrocarbons absorbed by the element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.