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3G061 | Control of the air-fuel ratio of carburetors | |
F02M7/00 -7/28@Z |
F02M7/00-7/00@K;7/04;7/04@B-7/04@C;7/04@F;7/04@L-7/04@M;7/06-7/06@F;7/06@H-7/06@Z;7/08;7/08@B-7/08@C;7/08@G;7/08@Q;7/087;7/087@B-7/087@Z;7/093-7/093@C;7/10;7/12-7/12@Z;7/127-7/127@Z;7/133;7/16-7/16@Z;7/17@C;7/17@R-7/17@S;7/20-7/20@G;7/22;7/22@C-7/22@D;7/22@J-7/22@Z;7/24-7/24@Z;7/26-7/26@Z;7/28;7/28@F-7/28@Z | AA | AA00 ENGINE TYPES |
AA01 | AA02 | ||||||||
. Engines with superchargers | . Multi-cylinder engines | |||||||||||
AB | AB00 TYPES OF CARBURETORS |
AB01 | AB02 | AB03 | AB04 | AB05 | AB06 | AB07 | ||||
. Variable Venturi carburetors | . . Piston-type movable Venturi members | . Sliding-throttle-valve carburetors | . Multi-stage carburetors (i.e., multiple combined carburetors) | . Multiple carburetors | . Air-valve carburetors | . Nonfloating carburetors | ||||||
BA | BA00 OPERATING STATE AND ENGINE CONDITION |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | BA09 | BA10 | |
. Starting | . . High-temperature starting and restarting | . Warming up and cooling down | . Loaded state | . . Idling and non-loaded state | . . Low load level | . . Intermediate load level | . . High load level and power range | . Rotating engine state and speed of the vehicle | . . Low rotation and low speed | |||
BA11 | BA12 | BA13 | BA14 | BA15 | BA16 | BA17 | BA18 | BA19 | BA20 | |||
. . Intermediate rotation and intermediate speed | . . High rotation and high speed | . Transition time | . . Acceleration | . . Deceleration | . Driving at high altitudes | . Abnormalities in the engine, malfunction, and improper operation | . . Overheating and burning out | . . Over-rotation | . Stopping of the engine | |||
CA | CA00 SENSORS AND PARAMETERS |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | CA07 | CA08 | CA09 | CA10 | |
. Temperature (i.e., temperature of engines) | . . Temperature of cooling water | . . Temperature of intake air | . . Temperature of exhaust gases | . . Temperature of exhaust-gas purifiers | . . Temperature of outside air, surroundings, and atmosphere | . Pressure | . . Intake-air pressure (i.e., negative intake-air pressure) | . . Venturi pressure (i.e., negative Venturi pressure) | . . Supercharging pressure | |||
CA11 | CA12 | CA13 | CA14 | CA15 | CA16 | CA17 | CA18 | CA19 | CA20 | |||
. . Atmospheric pressure | . Engine revolutions | . Speed of the vehicle | . Crank angle | . Flow rate | . . Amount of intake air | . Degree of opening of throttle valves and number of accelerating operations | . Position of transmission gears (i.e., shifting gears) | . Clutching switches | . Starting switches and cranking (e.g., starters) | |||
CA21 | CA22 | CA23 | CA24 | CA25 | CA26 | CA27 | CA28 | CA29 | CA30 | |||
. Key switches and ignition switches | . Degree of opening of choke valves | . Air-to-fuel-ratio sensors | . . Exhaust sensors | . . . Oxygen (O2) sensors | . Power-source voltage | . Abnormalities and malfunction | . Complete combustion | . Time (i.e., use of timers) | . Load based on the driving of auxiliary machines (e.g., air conditioners and the like) | |||
CA31 | ||||||||||||
. Sensors for detecting the driving status | ||||||||||||
DA | DA00 TYPES AND OPERATION OF CONTROL |
DA01 | DA02 | DA03 | DA04 | DA05 | DA06 | DA07 | DA09 | DA10 | ||
. Feed-back control | . . Control of stopping and starting of feed-back | . . . Control of changing of the air-fuel ratio when stopping | . . Changing of the control constants (e.g., integration constant) | . . Learning control | . Delay and hysteresis | . Use of memory | . Enrichment, increase of the amount of fuel, and reduction of the amount of bleed air | . Thinning, reduction of the amount of fuel, and increase of the amount of bleed air | ||||
FA | FA00 OBJECTS TO BE CONTROLLED |
FA01 | FA02 | FA03 | FA04 | FA05 | FA06 | FA07 | FA08 | |||
. Valves (i.e., exclusion of throttle valves) | . . Valves in the fuel path | . . . Valves in the path for slow fuels (i.e., low-speed fuels) | . . Valves in the bleed-air path | . . . Valves in the path for slow bleed air (i.e., low-speed bleed air) | . . Valves that are driven by means of step motors | . . Valves in the pressure path from pressure actuators | . Pumps |