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:
Jun. 05, 2007
Filed:
Apr. 16, 2003
Applicant:
Timo Mahlanen, Helsinki, FI;
Inventor:
Timo Mahlanen, Helsinki, FI;
Assignee:
Marioff Corporation Oy, Vantaa, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 25/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for spraying an aqueous liquid into the air intake duct () of a turbocharged piston engine () for humidifying the intake air to reduce nitrogen oxide emissions. In a first stage in the method, the intake air is heated by a heat exchanger element (') before the turbocharger and water mist is injected into the air intake duct after the first heading stage through at lea one first nozzle (), and in a second stage the intake air is compressed by the turbocharger (), causing its temperature to rise, and water mist is injected into the air intake duct through at least one second nozzle () after the second stage.