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:
Jan. 01, 2002
Filed:
Nov. 12, 1999
Luca Poggio, Spinetta Marengo, IT;
Marco Secco, Nizza Monferrato, IT;
Piero Carbonaro, Turin, IT;
Daniele Ceccarini, Rimini, IT;
Magneti Marelli S.p.A., Milan, IT;
Abstract
Control device for a linear oxygen sensor located in an exhaust pipe of an internal combustion engine in contact with exhaust gases in use, the control device including a linear oxygen sensor composed of at least one reference chamber for receiving a specified percentage of oxygen and being one of at least two types which differ in the way in which the at least one reference chamber receives oxygen; controller for exerting a control action on the linear oxygen sensor to generate an output signal (DIP) at an output representing a ratio of the exhaust gases and being composed of a programmable control device; and an operating unit for operating and programming the programmable control device to match the controller to the type of linear oxygen sensor to which it is connected.