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US20110068487: Carburetor

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Filing Information

Inventor(s) Claus Naegele · Werner Geyer ·
Assignee(s) ANDREAS STIHL AG & CO. KG ·
Application Number US12882226
Filing date 09/15/2010
Publication date 03/24/2011
Predicted expiration date 09/15/2030
U.S. Classifications 261/35  · 261/DIG.074  · 261/66  · 261/642  ·
International Classifications F02M1704  · F02M726  ·
Kind CodeA1
Foreign Priority DE102009042551.9 - 09/22/2009 ·
17 Claims, 2 Drawings


Abstract

A carburetor has a housing and an intake passage section disposed in the housing. A throttle element is arranged in the intake passage section and a choke element is arranged in the intake passage section upstream of the throttle element. At least one fuel opening opens downstream of the choke element into the intake passage section. A fuel valve controls a fuel quantity supplied to the at least one fuel opening. At least one auxiliary fuel port opens upstream of the choke element into the intake passage section.

Independent Claims | See all claims (17)

  1. 1. A carburetor comprising: a housing; an intake passage section disposed in said housing; a throttle element arranged in said intake passage section; a choke element arranged in said intake passage section upstream of said throttle element; at least one fuel opening that opens downstream of said choke element into said intake passage section; a fuel valve controlling a fuel quantity supplied to said at least one fuel opening; at least one auxiliary fuel port that opens upstream of said choke element into said intake passage section.

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