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Class Information
Number: 123/336
Name: Internal-combustion engines > Engine speed regulator > Having plural throttle valve structure
Description: Subject matter having more than one butterfly valve in the engine intake (e.g., carburetor).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7603978 |
Tandem valve type throttle body for two-wheeled vehicle |
Oct. 20, 2009 |
| 7597086 |
Throttle assembly for intake air and V-type engine therewith |
Oct. 6, 2009 |
| 7588008 |
Intake system of internal combustion engine |
Sep. 15, 2009 |
| 7552710 |
Variable geometry intake manifold for an internal combustion engine |
Jun. 30, 2009 |
| 7552711 |
Intake control device for vehicle engine |
Jun. 30, 2009 |
| 7543563 |
High flow dual throttle body for small displacement engines |
Jun. 9, 2009 |
| 7533653 |
Intake air control system for a V-type internal combustion engine and engine incorporating same |
May. 19, 2009 |
| 7523737 |
Drive mode switching device for motorcycle |
Apr. 28, 2009 |
| 7503292 |
System for a two-stroke combustion engine with controlled additional air |
Mar. 17, 2009 |
| 7493888 |
Air intake control apparatus |
Feb. 24, 2009 |
| 7464692 |
Intake air control valves |
Dec. 16, 2008 |
| 7461631 |
Transmissible connecting mechanism between valve shafts forming angle |
Dec. 9, 2008 |
| 7461644 |
Method for controlling an internal combustion engine |
Dec. 9, 2008 |
| 7455044 |
Intake device of internal combustion engine |
Nov. 25, 2008 |
| 7448357 |
Air induction system and assembly method for an intake manifold with a single shaft and sensor for activating air control valves |
Nov. 11, 2008 |
| 7431013 |
Intake air control device, and vehicle including same |
Oct. 7, 2008 |
| 7418945 |
Fresh gas system and operating method for a piston engine |
Sep. 2, 2008 |
| 7412964 |
Motor actuator and tandem valve type throttle body using the same |
Aug. 19, 2008 |
| 7401590 |
Active air intake for an engine |
Jul. 22, 2008 |
| 7398760 |
Intake air control apparatus for motor cycle |
Jul. 15, 2008 |
| 7383814 |
Multicylinder engine intake system |
Jun. 10, 2008 |
| 7353801 |
Valve regulating device and intake manifold comprising at least one such device |
Apr. 8, 2008 |
| 7347183 |
Control apparatus and control method for engine |
Mar. 25, 2008 |
| 7343896 |
Carburetor valve control linkage |
Mar. 18, 2008 |
| 7341036 |
Intake device and mounting structure of valve unit |
Mar. 11, 2008 |
| 7334565 |
Multiple throttle apparatus |
Feb. 26, 2008 |
| 7325531 |
Intake structure for V-type internal combustion engine |
Feb. 5, 2008 |
| 7325530 |
Engine intake manifold and airflow control valve assembly |
Feb. 5, 2008 |
| 7320305 |
Regulating device for regulating the air intake of a vehicle internal combustion engine |
Jan. 22, 2008 |
| 7314038 |
Idle air control device in multiple throttle body |
Jan. 1, 2008 |
| 7305959 |
Intake manifold with low chatter shaft system |
Dec. 11, 2007 |
| 7302929 |
Air bypass device in multiple throttle body |
Dec. 4, 2007 |
| 7302930 |
Air induction system and assembly method for an intake manifold with a single shaft and sensor for activating air control valves |
Dec. 4, 2007 |
| 7296560 |
Engine of spark-ignition type |
Nov. 20, 2007 |
| 7287510 |
Secured operation of electronic throttle control (ETC) in dual module system |
Oct. 30, 2007 |
| 7284534 |
Intake apparatus and manufacturing method for the same |
Oct. 23, 2007 |
| RE39852 |
Charge control device for and method for controlling the functioning of a reciprocating internal combustion engine |
Sep. 25, 2007 |
| 7267099 |
Multicylinder engine intake system |
Sep. 11, 2007 |
| 7263969 |
Idle air control apparatus in multiple throttle body |
Sep. 4, 2007 |
| 7258101 |
Automotive catalyst excess oxygen reduction system |
Aug. 21, 2007 |
| 7237528 |
Throttle valve control device for leisure vehicle |
Jul. 3, 2007 |
| 7231899 |
Multicylinder engine intake system |
Jun. 19, 2007 |
| 7225792 |
Valve device for internal combustion engine |
Jun. 5, 2007 |
| 7222603 |
Subunit for an additional control valve device used for an intake pipe of a reciprocating internal combustion engine |
May. 29, 2007 |
| 7219651 |
Throttle valve |
May. 22, 2007 |
| 7219652 |
Bearing support device |
May. 22, 2007 |
| 7201141 |
Apparatus for controlling throttle shaft deflection and friction in dual bore throttle bodies |
Apr. 10, 2007 |
| 7201142 |
Variable center pivot tumble control valve geometry for an intake manifold |
Apr. 10, 2007 |
| 7191748 |
Integrated air and fuel carrier module |
Mar. 20, 2007 |
| 7178504 |
Intake module for an internal combustion engine |
Feb. 20, 2007 |
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