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1. (WO2017150321) PISTON OF INTERNAL COMBUSTION ENGINE AND METHOD FOR MANUFACTURING SAME
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Pub. No.: WO/2017/150321 International Application No.: PCT/JP2017/006732
Publication Date: 08.09.2017 International Filing Date: 23.02.2017
IPC:
F02F 3/22 (2006.01) ,F01P 3/10 (2006.01) ,F02F 3/00 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F
CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
3
Pistons
16
having cooling means
20
the means being a fluid flowing through or along piston
22
the fluid being liquid
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
P
COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
3
Liquid cooling
06
Arrangements for cooling pistons
10
Cooling by flow of coolant through pistons
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F
CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
3
Pistons
Applicants:
本田技研工業株式会社 HONDA MOTOR CO., LTD. [JP/JP]; 東京都港区南青山2-1-1 1-1, Minami-Aoyama 2-chome, Minato-ku, Tokyo 1078556, JP
Inventors:
忍田 新二 OSHIDA Shinji; JP
森 誠治 MORI Seiji; JP
星野 守門 HOSHINO Syumon; JP
岩▲崎▼ 良重 IWASAKI Kazushige; JP
栗山 恭和 KURIYAMA Yasukazu; JP
Agent:
特許業務法人磯野国際特許商標事務所 ISONO INTERNATIONAL PATENT OFFICE, P.C.; 東京都港区虎ノ門一丁目1番18号 ヒューリック虎ノ門ビル Hulic Toranomon Building, 1-18, Toranomon 1-chome, Minato-ku, Tokyo 1050001, JP
Priority Data:
2016-03955602.03.2016JP
Title (EN) PISTON OF INTERNAL COMBUSTION ENGINE AND METHOD FOR MANUFACTURING SAME
(FR) PISTON DE MOTEUR À COMBUSTION INTERNE ET SON PROCÉDÉ DE FABRICATION
(JA) 内燃機関のピストン及びその製造方法
Abstract:
(EN) This piston (1) of an internal combustion engine is characterized by being provided with: a cooling channel (2) that is formed inside a piston head (6) so as to be annular along the outer periphery of the piston head (6); and a fin (3) that is formed on the inner wall surface of the cooling channel (2) so as to extend in the extending direction of the cooling channel (2), wherein the fin (3) is formed at a position avoiding a part where concentration of stress occurs on the piston head (6) around the cooling channel (2).
(FR) L'invention concerne un piston (1) de moteur à combustion interne caractérisé en ce qu'il comprend : un canal de refroidissement (2) qui est formé à l'intérieur d'une tête (6) de piston de manière annulaire le long de la périphérie extérieure de la tête (6) de piston ; et une ailette (3) qui est formée sur la surface de paroi intérieure du canal de refroidissement (2) de manière à s'étendre dans la direction d'extension du canal de refroidissement (2), l'ailette (3) étant formée à un emplacement évitant une partie dans laquelle une concentration de contrainte se produit sur la tête (6) de piston autour du canal de refroidissement (2).
(JA) 本発明の内燃機関のピストン(1)は、ピストンヘッド(6)の外周に沿って前記ピストンヘッド(6)内に環状に形成されるクーリングチャンネル(2)と、前記クーリングチャンネル(2)の延在方向に延びるように前記クーリングチャンネル(2)の内壁面に形成されるフィン(3)と、を備え、前記フィン(3)は、前記クーリングチャンネル(2)周りでのピストンヘッド(6)の応力集中部位を避ける位置に形成されていることを特徴とする。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)