Oil feeder for internal combustion engine



【課題】内燃機関のシリンダ内部材の冷却及び潤滑を、必要に応じて効率的に行うことのできるオイル供給装置を提供する。 【解決手段】内燃機関100のオイル供給装置1は、蓄圧通路10、メインオイル通路20、サブオイル通路30、チェック弁40等を主要構成要素として含む。メインオイル通路20を通じたオイルの噴出方向αと、サブオイル通路30を通じたオイルの噴出方向βとが交わる。エンジン回転数が所定範囲にある場合、メインオイル通路20を通じて噴出されるオイルの噴流が、サブオイル通路30の開口端31を実質的に塞ぐ(サブオイル通路30からのオイルの噴出を妨げる)ことにより、エンジン回転数の上昇に伴いメインオイル通路20から噴出するオイルの量は増大する一方、サブオイル通路30から噴出するオイルの量は減少する。 【選択図】 図1
PROBLEM TO BE SOLVED: To provide an oil feeder effectively cooling and lubricating at need a cylinder inner member of an internal combustion engine. SOLUTION: This oil feeder 1 for the internal combustion engine 100 includes as main constituent elements, a pressure accumulating passage 10, a main oil passage 20, a sub-oil passage 30, and a check valve 40. An oil jet direction α through the main oil passage 20 and an oil jet direction β through the sub-oil passage 30 cross each other. When an engine speed is in a predetermined range, oil jet ejected through the main oil passage 20 substantially closes the opening end 31 of the sub-oil passage 30 (prevents oil jet from the sub-oil passage 30), thereby, while an oil amount ejected from the main oil passage 20 is increased in following an increase in the engine speed, an oil amount ejected from the sub-oil passage 30 is decreased. COPYRIGHT: (C)2005,JPO&NCIPI




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    EP-2213851-A3April 27, 2011Dr. Ing. h.c. F. Porsche AGOil supply equipment for lubricating a cylinder and/or cooling a piston
    FR-2885170-A1November 03, 2006Bontaz Ct SaClapet a fuite controlee pour gicleur de refroidissement de piston
    JP-2015169113-ASeptember 28, 2015アイシン精機株式会社, Aisin Seiki Co Ltd内燃機関および内燃機関用油圧制御装置
    KR-100738248-B1July 12, 2007본타즈 센트레피스톤 냉각 노즐용 제어 누출 밸브
    US-7350484-B2April 01, 2008Bontaz CentreControlled leakage valve for piston cooling nozzle
    WO-2009071015-A1June 11, 2009Chery Automobile Co., Ltd.Piston cooling and lubricating device for engine