Patent · US Expired

Spark plug cap apparatus

US4637358A · kind A · utility

8Cited by
13References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 1985
Grant dateJan 20, 1987
Priority date
Expiry dateSep 27, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B1/04
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A spark plug cap apparatus for an internal combustion engine having relatively deep and generally vertical spark plug receiving bores. The upper end of the bore is provided with an annular protrusion. A resilient head cover has a bent flange for extending over and sealably engaging the annular protrusion. The head cover has a downwardly extending seal lip for engaging the inside of the bore. A pipe is molded to the head cover and extends downwardly to engage the top of the spark plug. The spark wire extends through the head cover and pipe. A vent hole is provided in the head cover.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.