Gas and liquid contact apparatus – Fluid distribution – Pumping
Patent
1996-03-18
1997-10-28
Miles, Tim R.
Gas and liquid contact apparatus
Fluid distribution
Pumping
261DIG68, 251 86, 13750546, F02M 1704
Patent
active
056815085
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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Hawley, The Condensed Chemical Dictionary, Tenth Ed., Oct. 1984, p. 997, Group 1305, PTO.
Andreas Stihl
Miles Tim R.
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