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.

Date of Patent:
Dec. 31, 2019

Filed:

Dec. 17, 2018
Applicant:

Bombardier Recreational Products Inc., Valcourt, CA;

Inventors:

Bruno Schuehmacher, Richmond, CA;

Luc Champigny, Racine, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/30 (2006.01); F02B 61/00 (2006.01); F02D 41/04 (2006.01); F02B 75/02 (2006.01); F02D 41/02 (2006.01); F02D 41/14 (2006.01); F02M 69/04 (2006.01);
U.S. Cl.
CPC ...
F02D 41/3094 (2013.01); F02B 61/00 (2013.01); F02B 75/02 (2013.01); F02D 41/021 (2013.01); F02D 41/047 (2013.01); F02D 41/1446 (2013.01); F02B 2075/025 (2013.01); F02D 2200/021 (2013.01); F02D 2200/602 (2013.01); F02D 2200/703 (2013.01); F02D 2400/04 (2013.01); F02M 69/046 (2013.01);
Abstract

A two-stroke internal combustion engine has a crankcase, a cylinder block defining at least one cylinder, a cylinder, a crankshaft, at least one piston, at least one scavenge port, at least one throttle body for supplying air to an interior of the crankcase, at least one direct fuel injector fluidly communicating with at least one combustion chamber for injecting fuel directly in the at least one combustion chamber; and at least one port fuel injector fluidly communicating with the interior of the crankcase for injecting fuel upstream of the at least one combustion chamber. Methods for controlling an engine having at least one direct fuel injector and at least one port fuel injector are also described.


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