Internal combustion engine with air filter shield preventing...

Details Internal combustion engine with air filter shield preventing... Internal combustion engine with air filter shield preventing...

2007-05-02

2010-06-08

McMahon, M. (Department: 3741)

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

Reexamination Certificate

active

07730857

ABSTRACT:
An internal combustion engine has a carburetor and an intake channel for supplying fuel and combustion air, wherein a section of the intake channel is formed in the carburetor. At least one fuel opening is provided that opens into the intake channel within the carburetor. The intake channel has an intake opening that is connected to a clean chamber of the air filter of the internal combustion engine, wherein the internal combustion engine takes in air through at least one filter element of the air filter. A choke element is arranged in the clean chamber and moveable into a choke position and into an open position. In the open position, the choke element shields the at least one filter element.

REFERENCES:
patent: 3969445 (1976-07-01), Vogelsang
patent: 6889637 (2005-05-01), Rosskamp
patent: 2001/0018898 (2001-09-01), Raffenberg
patent: 2002/0109244 (2002-08-01), Nickel
patent: 2002/0135083 (2002-09-01), Maier
patent: 2003/0106508 (2003-06-01), Rosskamp
patent: 2004/0012102 (2004-01-01), Gerhardy

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