updraft carburetor

updraft carburetor

[′əp‚draft ′kär·bə‚rād·ər]
(mechanical engineering)
For a gasoline engine, a fuel-air mixing device in which both the fuel jet and the airflow are upward.

updraft carburetor

updraft carburetorclick for a larger image
A carburetor in which the air is sucked in from beneath, with the air flowing upward through the venturi.
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References in periodicals archive ?
As we reported in the February 2012 issue of Aviation Consumer, Precision Airmotive developed a fuel injection system--essentially a downsized Bendix RSA constant flow design--but the Super Legend has a conventional updraft carburetor rather than injection.
A small tank from a lawn mower was used to provide gravity feed gasoline to the updraft carburetor, which was left untouched.
The pipe to the air cleaner was removed so a little gasoline could be poured down to prime the updraft carburetor.
A 10-gallon cowl-mounted gasoline tank fed a Zenith updraft carburetor and a forged steel three-main bearing crankshaft was used along with aluminum pistons.