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:
Nov. 19, 2013
Filed:
Mar. 21, 2011
Applicants:
Thomas A. Spix, Rochester Hills, MI (US);
Grant K. Tappen, Washington, MI (US);
Inventors:
Thomas A. Spix, Rochester Hills, MI (US);
Grant K. Tappen, Washington, MI (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 59/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A control system for an engine includes an icing condition detection module and an icing prevention module. The icing condition detection module detects an icing condition of a positive crankcase ventilation (PCV) system of the engine when an ambient temperature is less than a predetermined temperature for a first predetermined period. The icing prevention module increases engine speed for a second predetermined period when the icing condition is detected.