Cylinder head structure of engine

Details Cylinder head structure of engine Cylinder head structure of engine

1983-12-20

1985-07-23

Feinberg, Craig R.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

123 4182R, 123193H, F01P 314

Patent

active

045303231

ABSTRACT:
A cylinder head to be mounted on a cylinder block for a multiple-cylinder in-line engine has an intake port and an exhaust port for each cylinder bore of the cylinder block, water jackets surrounding the intake ports and the exhaust ports, and a plurality of bolt holes for receiving head bolts for fixing the cylinder head to the cylinder block. The bolt holes are in the form of through-holes formed through boss portions which are disposed in the four corners and on a pair of opposed side portions of the cylinder head. The boss portions on the side portions are in positions corresponding to the "interbore" portions between adjacent cylinder bores of the cylinder block. The upper portions of each pair of boss portions laterally opposed to each other along the corresponding interbore portion are connected by a top deck extending above the interbore portion. The central portion of each top deck is connected with wall portions defining the intake port and the exhaust port on opposite sides of the top deck by way of a pair of reinforcing ribs.

REFERENCES:
patent: 1665396 (1928-04-01), Woolson
patent: 1792867 (1931-02-01), Radford
patent: 2753853 (1956-07-01), Hands
patent: 2788776 (1957-04-01), Holt

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