Engine head structure

Details Engine head structure Engine head structure

2009-01-29

2010-12-14

Cronin, Stephen K (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Combination igniting means and injector

C123S470000

Reexamination Certificate

active

07849833

ABSTRACT:
An injector, a spark plug and a pressure sensor are assembled integrally in a common housing. The common housing is fixed in a mounting hole provided in a cylinder head of an engine so that tip end portions of the injector, the spark plug and the pressure sensor face inside of the cylinder room. For example, a gasket having heat resistance can be provided between a lower end portion of an outer wall of the common housing and an inner wall of the mounting hole for the air-tight sealing. Furthermore, a concave portion may be provided at an outer portion of the common housing so as to form a coolant passage.

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Notice of Reason for Refusal issued from the Japanese Patent Office on Dec. 22, 2009 in the corresponding Japanese patent application No. 2008-047726 (with English translation).

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