Internal-combustion engines – Igniters
Patent
1995-08-22
1997-01-14
Argenbright, Tony M.
Internal-combustion engines
Igniters
H01T 1306
Patent
active
055929117
ABSTRACT:
A plug cap for an elongated bore has an upwardly open vent having an aperture. The aperture is provided with a water-tight flap, which is spaced apart from the uppermost section of the aperture and which is installed in a freely tiltable manner, so that the aperture of the vent can be closed by water pressure exerted on the plug cap. The cap is particularly intended for use in the ignition system of an internal combustion engine. In this context, when no water is sprayed, the heated air inside an elongated bore containing a spark plug is evacuated through the vent. When water is sprayed, as in the rain or a car wash, the aperture of the vent is closed by the water-tight flap under the water pressure, so that water is prevented from entering the elongated bore.
REFERENCES:
patent: 4637358 (1987-01-01), Yano et al.
patent: 4906202 (1990-03-01), Germ
patent: 5377640 (1995-01-01), Kobayashi
patent: 5462023 (1995-10-01), Furuya
Argenbright Tony M.
Sumitomo Wiring Systems Ltd.
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