F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
F02M23/00—Apparatus for adding secondary air to fuel-air mixture
F02M23/04—Apparatus for adding secondary air to fuel-air mixture with automatic control
F02M23/08—Apparatus for adding secondary air to fuel-air mixture with automatic control dependent on pressure in main combustion-air induction system, e.g. pneumatic-type apparatus
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
Y02T10/00—Road transport of goods or passengers
Y02T10/10—Internal combustion engine [ICE] based vehicles
Y02T10/12—Improving ICE efficiencies
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Engineering & Computer Science
(AREA)
Chemical & Material Sciences
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Combustion & Propulsion
(AREA)
Mechanical Engineering
(AREA)
General Engineering & Computer Science
(AREA)
Control Of The Air-Fuel Ratio Of Carburetors
(AREA)