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:
Mar. 10, 1992
Filed:
Apr. 27, 1990
Applicant:
Inventor:
Steven R King, San Antonio, TX (US);
Assignee:
Gas Research Institute, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123205 ; 123219 ;
Abstract
A gaseous fuel injector injects fuel directly into a working chamber of a rotary combustion engine after the end of the air intake stroke and early during the compression stroke for providing fuel-charge stratification within the working chamber as the rotor approaches and reaches compression top dead center. This results in an increase in power output and brake thermal efficiency due to reduced displacement of the intake air, reduced exhaust emissions levels due to reduced unburned hydrocarbons along the sides and trailing edge of the rotor, and reduced tendancy for combustion knock due to a non-combustible mixture in the end gas.