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Class Information
Number: 123/520
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > Having fuel vapor recovery and storage system > Having an adsorbent canister > Purge valve controlled by engine parameter
Description: Subject matter in which a valve means (purge valve) is provided between the canister and the engine, said valve being operable to control the rate at which stored vapors are drawn from the canister in response to an operating condition or parameter of the associated engine.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614387 |
External fuel vapor emission adjusting device for fuel tank |
Nov. 10, 2009 |
| 7610905 |
Passive evaporative emission control module |
Nov. 3, 2009 |
| 7610906 |
Fuel vapor treatment system |
Nov. 3, 2009 |
| 7607420 |
Fuel-evaporated gas processing system and electromagnetic valve device |
Oct. 27, 2009 |
| 7603990 |
Fuel vapor treatment system |
Oct. 20, 2009 |
| 7591252 |
Gas vapor control system |
Sep. 22, 2009 |
| 7578286 |
Procedure for the functional diagnosis of an activateable fuel tank ventilation valve of a fuel tank system of an internal combustion engine |
Aug. 25, 2009 |
| 7575410 |
Electric air pump apparatus and evaporation fuel treatment system |
Aug. 18, 2009 |
| 7565900 |
Fuel property determining apparatus, leakage detecting apparatus, and injection control apparatus |
Jul. 28, 2009 |
| 7549207 |
Method of manufacturing an actuator |
Jun. 23, 2009 |
| 7543601 |
Passive pressure activation valve |
Jun. 9, 2009 |
| 7527044 |
Small engine carbon canister with check valve |
May. 5, 2009 |
| 7527045 |
Evaporative emission control system and method for internal combustion engine having a microcondenser device |
May. 5, 2009 |
| 7506639 |
Diagnostic control device for a hybrid vehicle |
Mar. 24, 2009 |
| 7503320 |
Method of operating an engine at idle speed for operational diagnosis of a purge valve |
Mar. 17, 2009 |
| 7500474 |
Leak detecting apparatus and fuel vapor treatment apparatus |
Mar. 10, 2009 |
| 7497074 |
Emission control device |
Mar. 3, 2009 |
| 7497209 |
Fuel vapor treatment system for internal combustion engine |
Mar. 3, 2009 |
| 7493895 |
System for the metered feeding of volatile fuel components |
Feb. 24, 2009 |
| 7484500 |
Fuel vapor treatment apparatus |
Feb. 3, 2009 |
| 7484501 |
Fuel vapor treatment apparatus |
Feb. 3, 2009 |
| 7472694 |
Carbon canister with filter system |
Jan. 6, 2009 |
| 7469687 |
Method and device for operating an internal combustion engine |
Dec. 30, 2008 |
| 7469686 |
Leak detecting apparatus and fuel vapor treatment apparatus |
Dec. 30, 2008 |
| 7469684 |
System and method for purging fuel vapors using exhaust gas |
Dec. 30, 2008 |
| 7469685 |
Control apparatus for internal combustion engine |
Dec. 30, 2008 |
| 7467620 |
Evaporative emission control system with new adsorbents |
Dec. 23, 2008 |
| 7464698 |
Air-fuel ratio control apparatus of internal combustion engine |
Dec. 16, 2008 |
| 7455054 |
Canister with fuel gas reducing device |
Nov. 25, 2008 |
| 7448365 |
Controlling vapor emission in a small engine fuel tank system |
Nov. 11, 2008 |
| 7448367 |
Evaporative emission control in battery powered vehicle with gasoline engine powered generator |
Nov. 11, 2008 |
| 7444996 |
Fuel vapour storage and recovery apparatus with heat exchanger |
Nov. 4, 2008 |
| 7444997 |
Electronically controlled electromechanical valve |
Nov. 4, 2008 |
| 7441549 |
Fuel supply apparatus for and pressure control method of internal combustion engine |
Oct. 28, 2008 |
| 7441550 |
Method and device for activating a valve of a fuel vapor retention system |
Oct. 28, 2008 |
| 7438058 |
Drain pipe in canister system |
Oct. 21, 2008 |
| 7438060 |
System for detecting purge valve malfunction |
Oct. 21, 2008 |
| 7431022 |
Evaporative emission canister purge actuation monitoring system |
Oct. 7, 2008 |
| 7431021 |
Fuel vapor separator |
Oct. 7, 2008 |
| 7428895 |
Purge system for ethanol direct injection plus gas port fuel injection |
Sep. 30, 2008 |
| 7426919 |
Evaporative fuel treatment apparatus |
Sep. 23, 2008 |
| 7428458 |
Control apparatus for internal combustion engine |
Sep. 23, 2008 |
| 7424881 |
System and method for engine with fuel vapor purging |
Sep. 16, 2008 |
| 7424885 |
Integrated vapor control valve with full range hydrocarbon sensor |
Sep. 16, 2008 |
| 7418952 |
Evaporative fuel treatment system |
Sep. 2, 2008 |
| 7418953 |
Fuel vapor treatment apparatus for internal combustion engine |
Sep. 2, 2008 |
| 7409946 |
Fuel vapor recovery canister |
Aug. 12, 2008 |
| 7409947 |
Fuel vapor treatment apparatus |
Aug. 12, 2008 |
| 7404394 |
Method and device for operating an internal combustion engine |
Jul. 29, 2008 |
| 7401600 |
Purge flow control to reduce air/fuel ratio imbalance |
Jul. 22, 2008 |
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