Diaphragm carburetor for an internal combustion engine
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United States of America Patent
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-
Oct 28, 1997
Grant Date -
N/A
app pub date -
Mar 18, 1996
filing date -
Mar 18, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A diaphragm carburetor for an internal combustion engine has a housing and a control chamber positioned in the housing and having a fuel inlet valve. A control diaphragm is positioned in the control chamber. A Venturi channel extends through the housing. At least one throttle valve is positioned in the Venturi channel. An idle valve and a main valve open into the Venturi channel and are connected with an idle valve channel, respectively, a main valve channel to the control chamber. A fuel pump is positioned in the housing. A fuel channel connects the fuel pump and the fuel inlet valve of the control chamber. A control lever that is actuated by the control diaphragm for controlling the fuel inlet valve is provided. The fuel inlet valve has a valve seat and a valve member with a sealing member cooperating with the valve seat for opening and closing the fuel inlet valve. The sealing element has a flat end face. The valve member is connected to the control lever.
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