JPS5435512A - Structure of cylinder head in internal combustion engine - Google Patents

Structure of cylinder head in internal combustion engine

Info

Publication number
JPS5435512A
JPS5435512A JP10299077A JP10299077A JPS5435512A JP S5435512 A JPS5435512 A JP S5435512A JP 10299077 A JP10299077 A JP 10299077A JP 10299077 A JP10299077 A JP 10299077A JP S5435512 A JPS5435512 A JP S5435512A
Authority
JP
Japan
Prior art keywords
combustion engine
internal combustion
cylinder head
whole circumference
ports
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP10299077A
Other languages
Japanese (ja)
Inventor
Hironori Yoshioka
Yuji Nagamatsu
Original Assignee
Kubota 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 Kubota Ltd filed Critical Kubota Ltd
Priority to JP10299077A priority Critical patent/JPS5435512A/en
Publication of JPS5435512A publication Critical patent/JPS5435512A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00Cylinders; Cylinder heads 
    • F02F1/24Cylinder heads
    • F02F2001/248Methods for avoiding thermal stress-induced cracks in the zone between valve seat openings

Abstract

PURPOSE: To prevent the generation of crack, by integrally casting a reinforcing piece for connecting the whole circumference of a through hole for injecting fuel and the whole circumference of intake and exhaust ports or a space between both ports to the combustion chamber side as one body or another body.
COPYRIGHT: (C)1979,JPO&Japio
JP10299077A 1977-08-25 1977-08-25 Structure of cylinder head in internal combustion engine Pending JPS5435512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10299077A JPS5435512A (en) 1977-08-25 1977-08-25 Structure of cylinder head in internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10299077A JPS5435512A (en) 1977-08-25 1977-08-25 Structure of cylinder head in internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5435512A true JPS5435512A (en) 1979-03-15

Family

ID=14342131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10299077A Pending JPS5435512A (en) 1977-08-25 1977-08-25 Structure of cylinder head in internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5435512A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5862344A (en) * 1981-10-07 1983-04-13 Hino Motors Ltd Method for preventing cracking of cylinder head in internal-combustion engine
JPS58167754U (en) * 1982-04-30 1983-11-09
JPS592965U (en) * 1982-06-29 1984-01-10
JPS59150946A (en) * 1983-02-15 1984-08-29 Nippon Piston Ring Co Ltd Four-valve aluminum cylinder head
JPS59170652U (en) * 1983-04-30 1984-11-15

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5862344A (en) * 1981-10-07 1983-04-13 Hino Motors Ltd Method for preventing cracking of cylinder head in internal-combustion engine
JPH0220818B2 (en) * 1981-10-07 1990-05-10 Hino Motors Ltd
JPS58167754U (en) * 1982-04-30 1983-11-09
JPS592965U (en) * 1982-06-29 1984-01-10
JPH0216044Y2 (en) * 1982-06-29 1990-05-01
JPS59150946A (en) * 1983-02-15 1984-08-29 Nippon Piston Ring Co Ltd Four-valve aluminum cylinder head
JPH0475386B2 (en) * 1983-02-15 1992-11-30
JPS59170652U (en) * 1983-04-30 1984-11-15

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