WO2008090903A1 - Cylinder head - Google Patents

Cylinder head Download PDF

Info

Publication number
WO2008090903A1
WO2008090903A1 PCT/JP2008/050848 JP2008050848W WO2008090903A1 WO 2008090903 A1 WO2008090903 A1 WO 2008090903A1 JP 2008050848 W JP2008050848 W JP 2008050848W WO 2008090903 A1 WO2008090903 A1 WO 2008090903A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling water
water passage
mold
cylinder head
fixing
Prior art date
Application number
PCT/JP2008/050848
Other languages
French (fr)
Japanese (ja)
Inventor
Katsuhiko Shirai
Original Assignee
Daihatsu Motor Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daihatsu Motor Co., Ltd. filed Critical Daihatsu Motor Co., Ltd.
Publication of WO2008090903A1 publication Critical patent/WO2008090903A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/26—Cylinder heads having cooling means
    • F02F1/36—Cylinder heads having cooling means for liquid cooling
    • F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream 

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

When a cylinder head is produced using a metal mold, a cooling water passage provided around an exhaust manifold is difficult to have such a shape as to allow the metal mold to be drawn out, therefore a sand mold or a collapsible core must be used, thus lowering work efficiency and increasing production cost. In a cylinder head for a water cooled internal combustion engine having a fixing surface for fixing a first member and being produced by mold lifting using only an outer mold, a first cooling water passage extending in the direction of crankshaft line, a second cooling water passage located closer to the exhaust port side than the first cooling water passage and extending in the direction of crankshaft line in parallel with the first cooling water passage, and a plurality of third cooling water passages connecting the first cooling water passage with the second cooling water passage are provided, and a recess provided in at least the first member and the fixing surface is formed in the second cooling water passage by fixing water-tightly the first member to the fixing surface.
PCT/JP2008/050848 2007-01-25 2008-01-23 Cylinder head WO2008090903A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-015480 2007-01-25
JP2007015480A JP2008180183A (en) 2007-01-25 2007-01-25 Cylinder head

Publications (1)

Publication Number Publication Date
WO2008090903A1 true WO2008090903A1 (en) 2008-07-31

Family

ID=39644477

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050848 WO2008090903A1 (en) 2007-01-25 2008-01-23 Cylinder head

Country Status (2)

Country Link
JP (1) JP2008180183A (en)
WO (1) WO2008090903A1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5012413A (en) * 1973-04-23 1975-02-08
JPS6088051U (en) * 1983-11-24 1985-06-17 ヤンマーディーゼル株式会社 Cooling water passage of internal combustion engine for outboard motor
JPS60142036A (en) * 1983-12-29 1985-07-27 Kogata Gas Reibou Gijutsu Kenkyu Kumiai Cylinder head for four-cycle engine
JPH01176732U (en) * 1988-05-31 1989-12-18
JPH0735741U (en) * 1993-12-03 1995-07-04 ダイハツ工業株式会社 Cylinder head cooling water passage structure
JPH08200063A (en) * 1995-01-31 1996-08-06 Daihatsu Motor Co Ltd Intake manifold
JP2000034950A (en) * 1998-05-14 2000-02-02 Toyota Motor Corp Cylinder head and its manufacture
JP2002339798A (en) * 2001-05-17 2002-11-27 Honda Motor Co Ltd Engine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5012413A (en) * 1973-04-23 1975-02-08
JPS6088051U (en) * 1983-11-24 1985-06-17 ヤンマーディーゼル株式会社 Cooling water passage of internal combustion engine for outboard motor
JPS60142036A (en) * 1983-12-29 1985-07-27 Kogata Gas Reibou Gijutsu Kenkyu Kumiai Cylinder head for four-cycle engine
JPH01176732U (en) * 1988-05-31 1989-12-18
JPH0735741U (en) * 1993-12-03 1995-07-04 ダイハツ工業株式会社 Cylinder head cooling water passage structure
JPH08200063A (en) * 1995-01-31 1996-08-06 Daihatsu Motor Co Ltd Intake manifold
JP2000034950A (en) * 1998-05-14 2000-02-02 Toyota Motor Corp Cylinder head and its manufacture
JP2002339798A (en) * 2001-05-17 2002-11-27 Honda Motor Co Ltd Engine

Also Published As

Publication number Publication date
JP2008180183A (en) 2008-08-07

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