Nippondenso Co., Ltd.

Masanori Kuno

Hiroshi Arai

Nobumasa Higo

Toshio Nagara

Jun Ota

Kogoro Nakagawa

A radiator cap composed of a cap body, a compression gasket assembly connected to the cap body and adapted to open and close in accordance with the pressure of the coolant in the radiator, a float engaged with the cap body so as to move up and down in accordance with the level of the coolant. The upper edge of the float is formed so that upon contact with a gasket assembly, a valve is formed with said gasket assembly. A reed switch secured to the cap body is opened or closed in response to movement of the float so that the reed switch actuates suitable warning means when the level of coolant falls over a predetermined line.

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Nagoya, Japan

Masanori Kuno