发明授权
US4085586A Secondary air supply system for internal combustion engines 失效
内燃机二次供气系统

Secondary air supply system for internal combustion engines
摘要:
A system for supplying secondary air into the exhaust system of internal combustion engines having in combination two parallel systems, one feeding air depending upon exhaust gas pressure pulsation and the other feeding air depending upon intake vacuum pulsation.
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