Cylinder head with cast cooling water channels as well as method

Details Cylinder head with cast cooling water channels as well as method Cylinder head with cast cooling water channels as well as method

1998-06-03

1999-11-16

Wolfe, Willis R.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

F02F 136

Patent

active

059838442

ABSTRACT:
A cylinder head for a multi-cylinder internal combustion engine with a plurality of cylinder portions, each having gas changing channels, valve guides and bolt holes for one cylinder. The cylinder head is provided with a deck face designed to rest on a cylinder block. A valve drive pan is positioned opposite the deck face. Two longitudinally extending side faces and two end faces form the cylinder head. The cylinder head also has a cast longitudinal cooling water channel which extends along the plurality of cylinder portions. The longitudinal cooling water channel has cooling water entry and cooling water exit apertures designed to be connected to cooling water channels in the cylinder block. At least one cast transverse cooling water channel is provided for ventilating purposes and for discharging vapor bubbles. The transverse cooling water channel extends transversely to the longitudinal direction along the plurality of cylinder portions in an intermediate floor above the longitudinal cooling water channel. The cast transverse cooling water channel, at its one end close to a side face of the cylinder head, is connected to the longitudinal cooling water channel by a transfer aperture. At its other end opposed to the transfer aperture and close to the other side face, the transverse cooling water channel has a discharge member.

REFERENCES:
patent: 4083333 (1978-04-01), Rudert et al.
patent: 4121550 (1978-10-01), Wand et al.
patent: 4377990 (1983-03-01), Seidl
patent: 5615641 (1997-04-01), Koch et al.
patent: 5890461 (1999-04-01), Ikura

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