| 摘要 |
An elongated ignition boot for a spark plug having an insulator section and a terminal, the spark plug being located in a spark plug receiving cavity of a cylinder, comprising (i) a spark plug receiving aperture, (ii) a lead receiving aperture to receive an ignition lead and a connector terminal (iii); a channelway passing from the spark plug receiving aperture to the ignition lead receiving aperture the channelway constituted by (a) a first chamber adjacent the spark plug receiving aperture having a transverse dimension substantially exceeding the transverse dimension of the terminal and that part of the insular section located therein, (b) a second chamber, (c) a terminal location chamber located between the first chamber and second chamber, (d) a pair of circumferential restrictions in the terminal location chamber adjacent the first chamber and second chamber of transverse dimension less than the transverse dimension of the terminal connector, (e) a sealing chamber intermediate the spark plug receiving aperture and the first chamber, to engage the insulator section of the spark plug; and (iv) sealing means located peripherally at or adjacent the spark plug receiving aperture and urgeable against wall(s) of the spark plug receiving cavity. |
