| US 7,520,256 B2 | ||
| Fastening structure for cylinder head and divided type cylinder block of engine | ||
| Seiji Omura, Toyota (Japan); and Ken Yamada, Nishio (Japan) | ||
| Assigned to Toyota Jidosha Kabushiki Kaisha, Toyota-shi (Japan) | ||
| Appl. No. 10/585,968 PCT Filed Jan. 13, 2005, PCT No. PCT/JP2005/000631 § 371(c)(1), (2), (4) Date Jul. 13, 2006, PCT Pub. No. WO2005/068813, PCT Pub. Date Jul. 28, 2005. |
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| Claims priority of application No. 2004-007133 (JP), filed on Jan. 14, 2004. | ||
| Prior Publication US 2008/0245334 A1, Oct. 09, 2008 | ||
| Int. Cl. F02F 1/00 (2006.01) | ||
| U.S. Cl. 123—193.3 | 10 Claims |
| 1. A fastening structure for an engine, the engine including a cylinder block having a cylinder bore and a cylinder head assembled
with the cylinder block,
wherein the cylinder block is divided into a cylinder inner wall portion defining the cylinder bore and a cylinder outer wall
portion surrounding the cylinder inner wall portion, wherein the cylinder inner wall portion has an integrated upper deck
portion, the upper deck portion having a receiving surface on which the cylinder head is placed, and
wherein the cylinder head is fastened to the upper deck portion with a first bolt, the cylinder outer wall portion is fastened
to the upper deck portion with a second bolt at an opposite side of the upper deck portion with respect to the cylinder head,
and the first bolt and the second bolt are threaded to the upper deck portion from the opposite sides of the upper deck portion
with respect to each other.
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