Title:
ENGINE COOLING SYSTEM
Document Type and Number:
Japanese Patent JP3925725
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an engine cooling system which performs the opening-closing action of a sub-thermostat only in response to the water temperature of cooling water discharged into a high temperature flow passage via an outlet of a cylinder block side cooling water passage, in the engine cooling system having a main thermostat and the sub-thermostat, so as to individually control a cooling water flow of a cylinder block and a cylinder head.
SOLUTION: A stagnant chamber for staying the cooling water discharged from the cylinder block, is provided in a sub-thermostat housing for installing the sub-thermostat. A temperature sensing cylinder of the sub-thermostat is positioned in the stagnant chamber. A confluent passage is formed for communicating the stagnant chamber with a cooling water discharge passage of the cylinder head. A through-hole is formed in a valve seat of the sub-thermostat. The through-hole is formed on the opposite side of the cooling water discharge passage of the cylinder head.
Inventors:
Lee Zhuo
Application Number:
JP2003431501A
Publication Date:
June 06, 2007
Filing Date:
December 25, 2003
Export Citation:
Assignee:
HYUNDAI MOTOR COMPANY
International Classes:
F01P7/16; F01P3/02; F01P7/14; (IPC1-7): F01P7/16; F01P7/14
Domestic Patent References:
| JP55130014U | ||||
| JP11107754A | ||||
| JP2002039433A | ||||
| JP2002021562A |
Attorney, Agent or Firm:
Kyosei International Patent Office
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