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1. 发明授权

US06739306B2 Intake arrangement for combustion air 有权
标题翻译：燃烧空气进气排气
公开(公告)号：US06739306B2
公开(公告)日：2004-05-25
申请号：US10162901
申请日：2002-06-06
申请人： Peter Linsbauer , Jürgen Erath , Joachim Hoffman , Ulf Nägele , Hans Bernhard Sponner
发明人： Peter Linsbauer , Jürgen Erath , Joachim Hoffman , Ulf Nägele , Hans Bernhard Sponner
IPC分类号： F02M3508
CPC分类号： F02M35/08 , F02B63/02
摘要： The invention relates to an intake arrangement (1) for the combustion air (2) of an internal combustion engine (3) of a handheld portable work apparatus (4), such as a cutoff machine, motor-driven chain saw or the like. An air filter (5) is provided for purifying the combustion air (2). Dust-laden combustion air is directed onto the air filter via openings (6) of a filter housing (7). The combustion air (2) is purified by the air filter (5) and is drawn by suction by the engine (3) via an intake pipe (25) of a carburetor (8). A carrier airflow (10) is provided in a flow channel (15) for continuously or intermittently transporting away dust (11) deposited on the air filter (5). The combustion air (2) and the carrier airflow (10) are spatially separated via a discharge tube (13). In this way, a minimization of the dust load of the air filter (5) is ensured on the one hand and a continuous transport away of the dust (11) from the air filter (5) is ensured on the other hand. The removal transport of the dust (11) ensures continuous operation of the work apparatus (4).
摘要翻译：本发明涉及一种用于便携式工作装置（4）的内燃机（3）的燃烧空气（2）的进气装置（1），例如切断机，电动链锯等。设置有用于净化燃烧空气（2）的空气过滤器（5）。通过过滤器壳体（7）的开口（6）将含灰尘的燃烧空气引导到空气过滤器上。燃烧空气（2）由空气过滤器（5）净化，并通过发动机（3）通过化油器（8）的进气管（25）进行抽吸。在流路（15）中设置有用于连续或间歇地输送沉积在空气过滤器（5）上的灰尘（11）的载气流（10）。燃烧空气（2）和载气（10）经由放电管（13）在空间上分离。以这种方式，一方面确保了空气过滤器（5）的灰尘负荷的最小化，另一方面确保了灰尘（11）从空气过滤器（5）的连续输送。灰尘（11）的去除输送确保了工作装置（4）的连续操作。

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