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US 2018/0030930 A1Published application
Carburetor arrangement
AssigneeBernardo J. Herzer
InventorsBernardo J. HERZER, David KOSTKA
Life of this patent
Estimating the term…
Abstract
A carburetor for a gas powered internal combustion engine having a plurality of pressure reducing stages for reducing the pressure of the gas phase in a liquified petroleum gas storage bottle prior to the mixing of the gas phase of the liquified petroleum gas with ambient air.
Claims2
In a carburetor for a gas powered engine, the improvement comprising, in combination:
- a body member;
- walls in said body member defining a gas metering chamber, and said walls having a first portion defining a gas inlet port;
- a metering needle mounted in said gas metering chamber for reciprocal movement towards and away from said gas inlet port, said metering needle having a first end, a body portion, a second end spaced from said first end and a neck portion between said second end and said body portion;
- said first end of said metering needle is conical and said first potion of said walls of said body member is conical corresponding to the conical shape of said first end of said metering needle whereby gas flow into said gas metering chamber is prevented for the condition of said first end of metering needle in contact with said first portion of said walls of said body member and gas flow into said gas metering chamber is allowed for the condition of said first end of said metering needle spaced from said first portion of said walls of said body member;
- and said second end of said metering needle is dome shaped.
2 more elements
A metering needle for a carburetor for a gas powered engine comprising, in combination:
- a metering needle having a first end, a body portion, a second end and a neck portion connecting said second end to said body portion;
- said first end of said metering needle being configured in a conical shape;
- said second end of said metering needle being configured in a dome shaped cap, said neck portion connecting said second end to said body portion;
- said neck portion is smaller than said second end and smaller than said body portion.
1 more element
Dependencies are inferred from the claim text.