Title:
多気筒内燃機関用水冷式シリンダヘッド
Document Type and Number:
Japanese Patent JP2007530852
Kind Code:
A
Abstract:
A water-cooled cylinder head for a multicylinder internal-combustion engine, has a cylinder head housing which has charge cycle ducts, passage bores for receiving cylinder head screws, valve stem guides for inlet and outlet valves controlling the charge cycle ducts, and part-spherical combustion chamber caps which are bounded by a water cooling jacket on a side facing away from the combustion chamber. One spark plug dome respectively has an opening leading to the combustion chamber of the respective cylinder. For reinforcing the cylinder head housing and/or for supporting the part-spherical combustion chamber caps, a rib structure is integrated in the cylinder head housing.
Inventors:
Paul Michael
Ickinger Frank
Ickinger Frank
Application Number:
JP2007504306A
Publication Date:
November 01, 2007
Filing Date:
March 15, 2005
Export Citation:
Assignee:
Dr.Ing.h.c.F.Porsche Aktiengesellschaft
International Classes:
F02F1/24; F02F1/00; F02F1/36; F02F1/38; F02F1/42
Domestic Patent References:
| JPH01134052A | 1989-05-26 | |||
| JP2000230456A | 2000-08-22 | |||
| JPH0263053A | 1990-03-02 |
Attorney, Agent or Firm:
Mitsufumi Esaki
Tsuneo Mihara
Okumura Yoshimichi
Blacksmith
Tsuneo Mihara
Okumura Yoshimichi
Blacksmith