Charge Forming Device (e.g., Pollution Control) Patents (Class 123/434)
- With sensor controlling each cylinder individually (Class 123/673)
- With modifying or updating memory (i.e., learning) (Class 123/674)
- Exhaust gas temperature or pressure repsonsive (Class 123/676)
- Combined with ambient condition responsive means (e.g., pressure) (Class 123/677)
- Combined with engine condition responsive means (Class 123/679)
- With fail-safe, backup, or malfunction means (Class 123/690)
- Multiple sensors controlling group of cylinders (Class 123/691)
- With compensator for sensor output (e.g., current or voltage) (Class 123/693)
- With addition of secondary fluid (e.g., fuel or exhaust gas) (Class 123/698)
- With auxiliary control of carburetor (Class 123/701)
- Exhaust gas composition sensor (Class 123/703)
- Variable rate of injection stroke (Class 123/496)
- Electric fuel pump (Class 123/497)
- Variable beginning and ending of pumping stroke (Class 123/500)
- Variable beginning of pumping stroke (Class 123/501)
- Variable ending of pumping stroke (Class 123/503)
- Variable stroke (Class 123/504)
- Fuel pump and intake air controls interconnected (Class 123/505)
- Having pressure relief valve (Class 123/506)
- Pumping member driven by a piston or valve of the internal combustion engine (Class 123/507)
- Pumping member driven by the internal combustion engine valve operating mechanism (Class 123/508)
- Specific location or mounting of pump (Class 123/509)
- Lighter fuel is used during starting (Class 123/544)
- Heating meduim surrounds combustible mixture (Class 123/545)
- Combustible mixture surrounds heating medium (Class 123/546)
- Combustible mixture and heating meduim adjoin one another (Class 123/547)
- Trap for liquid particle vaporization (Class 123/548)
- Electric heater (Class 123/549)
- Combustion heater (Class 123/550)
- Automatic control (Class 123/552)
- Intermediate fluid used for heating (Class 123/553)
- Combustible mixture, air, and fuel are heated separately (Class 123/554)
- Air and fuel heated separately (Class 123/555)
- Air only (Class 123/556)
- Fuel only (Class 123/557)
- Pressure exchange with exhaust gas (Class 123/559.2)
- With clutch (Class 123/559.3)
- Two-cycle compressor feeds a four-cycle engine (Class 123/560)
- Variable ratio compressor driven supercharger (Class 123/561)
- Multiple superchargers (Class 123/562)
- Intercooler (Class 123/563)
- Boost control (Class 123/564)
- Supercharger is driven independently of the engine (Class 123/565)
- Funnel-type supercharger (e.g., ram-air) (Class 123/566)
- Exhaust gas cooled during recirculation (Class 123/568.12)
- Having recirculation path formed entirely in the cylinder block or head (Class 123/568.13)
- Internal exhaust gas recirculation (e.g., exhaust gas retained in the combustion chamber) (Class 123/568.14)
- Having exhaust gas mixed with a constituent before entry into intake manifold (Class 123/568.15)
- With electrical means for fail-safe, backup, or malfunction detecting of EGR system (Class 123/568.16)
- Having specific exhaust gas outlet structure at intake manifold (Class 123/568.17)
- EGR valve position controlled only in relationship to intake throttle valve position (Class 123/568.19)
- Plural EGR valves in the recirculation passage (Class 123/568.2)
- Having electrically actuated control means (Class 123/568.21)
- Vacuum actuator control of EGR valve (Class 123/568.29)