Patent · US Active

Carburetor and handheld work apparatus including a combustion engine having said carburetor

US10801444B2 · kind B2 · utility

0Cited by

9References

16Claims

0Family size

Assignee

Andreas Stihl AG & Co. KG · DE

Inventors

Christian Schlecker · Waiblingen, DE
Malte Hartmann · Hong Kong, CN
Wolfgang Kienzle · Hemmingen, DE
Daisuke Suzuki · Moriyama, JP
Michael Grether · Waiblingen, DE

Key dates

Filing date	Jun 12, 2019
Grant date	Oct 13, 2020
Priority date	—
Expiry date	Jun 12, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M26/38
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A carburetor has a carburetor housing wherein an intake channel section is arranged. A fuel opening opens into the intake channel section. The carburetor has a fuel pump with a pump membrane delimiting a pump chamber connected to a fuel inlet. A pressure controller has a control membrane separating a control chamber from a compensation chamber. The control chamber is connected to a fuel outlet leading out from the carburetor. The compensation chamber is connected to a compensation connection. The carburetor housing has a carburetor body, a pump cover and an intermediate part arranged therebetween. The fuel inlet, the fuel outlet and the compensation connection are formed on the intermediate part. The fuel inlet, the fuel outlet and the compensation connection are arranged on the side of the carburetor that faces away from the combustion engine.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.