A device for evacuating exhaust gases from an internal combustion engine for portable work tools

(19)

(11)

EP 2 204 557 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	01.09.2010 Bulletin 2010/35

(43)	Date of publication A2:
	07.07.2010 Bulletin 2010/27

(21)	Application number: 09179760.5

(22)	Date of filing: 17.12.2009

(51)

International Patent Classification (IPC):

F01N 13/00^(2010.01)

F01N 13/08^(2010.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

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Priority:

30.12.2008 IT RE20080121

(71)	Applicant: Emak S.p.A.
	42011 Bagnolo in Piano (Reggio Emilia) (IT)

(72)	Inventor:
	Colli, Roberto 42011 Bagnolo in Piano (Reggio Emilia) (IT)

(74)	Representative: Corradini, Corrado et al
	Ing. C. Corradini & C. S.r.l. Via Dante Alighieri 4 42100 Reggio Emilia 42100 Reggio Emilia (IT)

(54)	A device for evacuating exhaust gases from an internal combustion engine for portable work tools

(57) A device for evacuating exhaust gases from an internal combustion engine for mobile work tools, comprising a muffler (70) provided with at least an outlet mouth (71) which opens in a terminal conduit (8) through which the exhaust gases are released directly into an outside environment, a transversal section of the terminal conduit (8) comprising two broadened portions (82) arranged side-by-side in a direction of a width thereof and separated by an intermediate choke (83).

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