Stephen J Bakonyi

US Patent:

42287723, Oct 21, 1980

Filed:

Feb 1, 1979

Appl. No.:

6/008237

Inventors:

Stephen M. Bakonyi - Troy MI

Assignee:

General Motors Corporation - Detroit MI

International Classification:

F02D 902
F02M 3900
F01L 306

US Classification:

123403

Abstract:

A four-stroke cycle spark ignition internal combustion engine having an individual throttle valve for each combustion chamber closely upstream of intake valve port thereto for reducing the pumping loss and cooperating with divided intake passages of different flow areas downstream of the throttle valve to increase and maintain the velocity of the air-fuel mixture into the combustion chamber at small throttle openings.