Engine flow restriction control

Details Engine flow restriction control Engine flow restriction control

F - Mech Eng,Light,Heat,Weapons

02

D

F02D 9/00 (2006.01) F02D 9/02 (2006.01) F02D 9/04 (2006.01)

Patent

CA 2051629

2051629 9115668 PCTABS00007 The design and construction of present engines (12) have generally not compensated for white smoke during start up and cold operating conditions where incomplete combustion occurs. The present invention overcomes these problems by using a control system (10) adapted to be used with the engine (12) and positioned between a restrictor valve (80) and a throttle (52). The restrictor valve (80) restricts the flow of one of the intake air (30) and the exhaust (32). A mechanical linkage (110) is connected between the throttle (52) and the valve (80). The linkage (110) moves a shaft (90) and a plate (96) relative to the throttle (52) high idle position (100) and low idle position (99) respectively. A first lever (114) has a slot (156) therein and is rotatably attached to the shaft (90) and a second lever (140) is fixedly attached to the shaft (90) and has a pin (152) being generally positioned in the center of the slot (156). The slot (156) allows the first lever (114) to move slightly in either direction relative to the position of the second lever (140) without varying the position of the plate (96) between the generally closed position (100) and the opened position (99).

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