Cooling circuit of an internal combustion engine and method of m

Details Cooling circuit of an internal combustion engine and method of m Cooling circuit of an internal combustion engine and method of m

1997-07-08

1999-06-29

Kamen, Noah P.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

123 4172, 123 4182R, F02B 7518

Patent

active

059153466

ABSTRACT:
Within the cooling circuit of an internal combustion engine, coolant ducts are connected in the cylinder head and the coolant jacket of the cylinder block with the coolant pump by coolant passages inside the cylinder block. Starting at the flange surface between the cylinder block and the cylinder head, ducts extend in the cylinder block that are connected with the main ducts of the cooling circuit and serve to supply or drain the cylinder head. These ducts are connected by cast slots that take their departure from the flange surface with the coolant jacket of the cylinder block. These cast slots permit a connection of the coolant jacket with the cooling circuit that is easy to produce without additional bores being necessary. In addition, using casting to produce the connection increases the reliability of the process.

REFERENCES:
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patent: 3667431 (1972-06-01), Kueny et al.
patent: 4284037 (1981-08-01), Kasting et al.
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patent: 5803023 (1998-09-01), Takahashi et al.
Search Report, Nov. 6, 1997, Europe.
Patent Office Communication, Mar. 13, 1997, Germany.

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