JPS55146254A - Cylinder head for internal combustion engine - Google Patents

Cylinder head for internal combustion engine

Info

Publication number
JPS55146254A
JPS55146254A JP5171879A JP5171879A JPS55146254A JP S55146254 A JPS55146254 A JP S55146254A JP 5171879 A JP5171879 A JP 5171879A JP 5171879 A JP5171879 A JP 5171879A JP S55146254 A JPS55146254 A JP S55146254A
Authority
JP
Japan
Prior art keywords
slits
gathering section
cylinder head
gasket
part around
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.)
Granted
Application number
JP5171879A
Other languages
Japanese (ja)
Other versions
JPS6254985B2 (en
Inventor
Akio Fujiyoshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Subaru Corp
Original Assignee
Fuji Heavy Industries 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 Fuji Heavy Industries Ltd filed Critical Fuji Heavy Industries Ltd
Priority to JP5171879A priority Critical patent/JPS55146254A/en
Publication of JPS55146254A publication Critical patent/JPS55146254A/en
Publication of JPS6254985B2 publication Critical patent/JPS6254985B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

PURPOSE: To prevent a gasket from being affected by local thermal expansion and to improve the seal-up function of the gasket, by providing slits in the peripheral part around exhaust port so that the slits extend in parallel with the meeting surface of a cylinder head on a cylinder block.
CONSTITUTION: Slits 10 are provided in a part around the gathering section 9b of an exhaust port 9 so that the slits extend in parallel with the meeting surface of a cylinder head 6 on a cylinder block 5. The slits 10 are located on the production of the diameter of the gathering section 9b and extend along the total length of the gathering section. The slits 10 are opened into the gathering section and have a width corresponding to the thermal expansion difference between the part around the gathering section 9b and another part distant from the former part. According to this constitution, deformation due to thermal expansion is absorbed in the cylinder head 6 even if the temperature of the part around the exhaust port 9, especially the part around the gathering section 9b liable to take a high temperature, becomes higher than that of another surrounding part distant from the former part. Therefore, a gasket is prevented from being affected by the deformation and the seal-up function of the gasket is improved.
COPYRIGHT: (C)1980,JPO&Japio
JP5171879A 1979-04-26 1979-04-26 Cylinder head for internal combustion engine Granted JPS55146254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5171879A JPS55146254A (en) 1979-04-26 1979-04-26 Cylinder head for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5171879A JPS55146254A (en) 1979-04-26 1979-04-26 Cylinder head for internal combustion engine

Publications (2)

Publication Number Publication Date
JPS55146254A true JPS55146254A (en) 1980-11-14
JPS6254985B2 JPS6254985B2 (en) 1987-11-17

Family

ID=12894663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5171879A Granted JPS55146254A (en) 1979-04-26 1979-04-26 Cylinder head for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS55146254A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620710A (en) * 1984-04-26 1986-11-04 Curty Head gasket for an internal-combustion engine
US7379086B2 (en) 2003-06-09 2008-05-27 Kabushiki Kaisha Toshiba Polygon mirror unit having a seal member with slits positioned between a central portion and a peripheral portion
JP2015007373A (en) * 2013-06-24 2015-01-15 トヨタ自動車株式会社 Cylinder head

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51114502A (en) * 1975-04-02 1976-10-08 Hitachi Ltd Method for operating boiler
JPS5230402U (en) * 1975-08-23 1977-03-03

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51114502A (en) * 1975-04-02 1976-10-08 Hitachi Ltd Method for operating boiler
JPS5230402U (en) * 1975-08-23 1977-03-03

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620710A (en) * 1984-04-26 1986-11-04 Curty Head gasket for an internal-combustion engine
US7379086B2 (en) 2003-06-09 2008-05-27 Kabushiki Kaisha Toshiba Polygon mirror unit having a seal member with slits positioned between a central portion and a peripheral portion
JP2015007373A (en) * 2013-06-24 2015-01-15 トヨタ自動車株式会社 Cylinder head

Also Published As

Publication number Publication date
JPS6254985B2 (en) 1987-11-17

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