The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2013
Filed:
Sep. 08, 2010
Shoji Kishi, Tsurugashima, JP;
Takahiro Kajihara, Tsurugashima, JP;
Makoto Kurahashi, Wako, JP;
Gakuji Moriya, Wako, JP;
Shoji Kishi, Tsurugashima, JP;
Takahiro Kajihara, Tsurugashima, JP;
Makoto Kurahashi, Wako, JP;
Gakuji Moriya, Wako, JP;
Toyo Denso Co., Ltd., Tokyo, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
In a plughole waterproofing device for an engine, a coil case is fitted onto the ignition coil that is accommodated in a plughole of an engine, and an upper portion of the case protruding above the engine is provided with a longitudinal air path extending upward from a lower end thereof communicating with the plughole and a vent hole communicating with an upper end portion of the air path and opened to ambient air. A cover wall hanging while surrounding the vent hole is continuously provided on the case upper portion, and an air chamber is formed inside the cover wall, the vent hole being opened in an upper portion of the air chamber, and an opening face being formed at an entire bottom of the air chamber opening toward the engine.