Engine secondary air system

Details Engine secondary air system Engine secondary air system

2006-10-10

2009-10-06

Cuff, Michael (Department: 3741)

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder head

C060S289000

Reexamination Certificate

active

07597081

ABSTRACT:
A secondary air injection system for improving emissions of internal combustion engines. The secondary air injection system includes an engine cylinder head and exhaust system designed to be used with or without a secondary air system.

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patent: 7197869 (2007-04-01), Kokubo et al.
patent: 2003/0070426 (2003-04-01), Duffy

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