公开(公告)号：US06810849B1

公开(公告)日：2004-11-02

申请号：US09600096

申请日：2001-06-07

申请人： Nicholas Robert Hirsch ,  Mark Donald Schaefer ,  Michael Paul Braun ,  Peter Hotz ,  Darrell Albert Wiatrowski ,  Ronald Lee Bartelt ,  Brian Hubbard

发明人： Nicholas Robert Hirsch ,  Mark Donald Schaefer ,  Michael Paul Braun ,  Peter Hotz ,  Darrell Albert Wiatrowski ,  Ronald Lee Bartelt ,  Brian Hubbard

IPC分类号： F02N100

CPC分类号： F16H57/043 ,  F01M1/04 ,  F01M3/00 ,  F01M9/10 ,  F01M11/0004 ,  F01M11/06 ,  F01M11/064 ,  F01M11/065 ,  F01M11/067 ,  F01M13/022 ,  F01M2011/0041 ,  F01M2013/0422 ,  F02B1/04 ,  F02B63/02 ,  F02B69/00 ,  F02B75/16 ,  F02B2075/027 ,  F02B2275/22 ,  F02B2275/30 ,  F02F1/305 ,  F05C2201/021

摘要： A four-stroke internal combustion engine is provided that is capable of use in many power tools, including those power tools subjected to tippable applications. There is provided within an engine housing an oil reservoir and a valve chamber which independently communicate with a crank chamber. A strategically placed divider and passageway, located within the engine housing, appropriately direct lubricant within the engine housing so that the internal cavity of the engine is lubricated during use in various operating attitudes, and so that the fluid flows to and is held in the proper chambers of the engine housing during storage. There is also provided a breather arrangement for an internal combustion engine which includes a cam shaft having a hollow passageway in communication with the crank chamber and the air intake system of the engine.

摘要翻译： 提供四冲程内燃机，其能够用于许多电动工具，包括经受可翻转应用的那些电动工具。 在发动机内部设有容纳油室和与腔室独立连通的阀室。 位于发动机壳体内的策略性分配和通道适当地直接在发动机壳体内引导润滑剂，使得发动机的内腔在各种操作态度的使用期间被润滑，并且使得流体流入并保持在适当的位置 存储期间发动机壳体的腔室。 还提供了一种用于内燃机的通气装置，其包括具有与曲轴室和发动机的进气系统连通的中空通道的凸轮轴。