Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02M - Supplying combustion engines in general with combustible mixtures or constituents thereof › F02M 25 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel, or fuel-air mixture
Patents for F02M 25 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel, or fuel-air mixture (28,324)
12/1991
12/17/1991US5072712 Method and apparatus for setting a tank venting valve
12/14/1991WO1991019888A1 Automobile catalytic-converter rejuvenation by oxidation
12/14/1991CA2064843A1 Automobile catalytic converter rejuvenation by oxidation
12/14/1991CA2044396A1 Air-intake system for residential furnaces
12/14/1991CA2044395A1 Air-intake system for mobile engines
12/14/1991CA2041587A1 Exhaust gas recirculation valve assembly
12/13/1991WO1991019896A1 Device for inserting rare earth particles into a combustion chamber
12/11/1991EP0460728A1 Intake port pressure control apparatus for engine induction system
12/10/1991US5070838 Integrated idle air and exhaust gas recirculation system
12/05/1991DE4017547A1 Exhaust gas cleaning installation for four-stroke engine - includes electronically controlled feedback from exhaust to inlet manifold according to speed, temp., flow and vacuum
12/04/1991EP0459374A1 An engine induction system
12/04/1991EP0459083A1 Water-injection diesel engine
12/03/1991US5069188 Regulated canister purge solenoid valve having improved purging at engine idle
11/1991
11/26/1991US5067470 Exhaust-gas recycling device for an internal-combustion engine
11/26/1991US5067469 Fuel vapor recovery system and method
11/26/1991US5067468 Apparatus for preventing discharge of fuel vapor
11/20/1991CN1014817B Pyrolysis reactor of alcohols
11/19/1991US5065979 Constant current vacuum regulator
11/19/1991US5065719 Actuating device for a throttle valve arranged in an intake pipe of a diesel internal combustion engine
11/19/1991US5065704 Internal combustion engine and kit therefore
11/15/1991CA2039966A1 Engine maintenance fluid introduction system
11/13/1991EP0456016A1 Injection system to enrich with oxygen an internal combustion engine
11/13/1991CN2088604U Burning aid for internal combustion engine
11/12/1991US5063899 Intake system for multi-cylinder internal combustion engine
11/07/1991DE4036537C1 IC engine toxics reduction system - involves mixing off-gas from previous cycle to fresh air content
11/06/1991EP0455143A1 Process for producing fuel absorbent
11/02/1991WO1991017353A1 Carbon canister purge system
11/02/1991CA2081917A1 Carbon canister purge system
10/1991
10/31/1991WO1991016216A1 Arrangement for monitoring a system for collecting fuel vapours and taking them to an internal combustion engine
10/31/1991DE4035064C1 Method of fuelling IC engine - has fuel and water vapour mix cooled after passing through compressor
10/29/1991US5060621 Vapor purge control system
10/29/1991US5060620 Motor vehicle fuel vapor emission control assembly
10/29/1991US5060617 Fuel supply system for selectively increasing the fuel supply to an engine
10/29/1991CA2041287A1 Process for producing fuel absorbent
10/29/1991CA1291381C Fuel vapor recovery system
10/24/1991DE4112588A1 Fehlerdiagnoseeinrichtung fuer einen fahrzeugmotor Fault diagnosis device for a motor vehicle
10/24/1991DE4110646A1 Adsorbent for alcoholic fuel vapours - contg. zeolite of silicon-aluminium mol ratio of not less than 10, and opt. binder
10/24/1991DE4101658A1 Filtermaterial fuer kraftfahrzeuge Filter material for motor vehicles
10/24/1991DE4027963C1 IC piston engine with several inlet valves - has exhaust gas return and fresh gas turbulence system as passages eccentrically opening into inlet duct(s)
10/17/1991WO1991015670A1 Vapour venting system for vehicle fuel tanks and process for checking system operability
10/17/1991DE4030948C1 Monitoring removal of petrol vapour from IC engine fuel tank - detecting change in fuel-air mixt. composition during selected working conditions
10/16/1991EP0451313A1 Canister purging system
10/15/1991US5056494 System for treating vaporized fuel in an internal combustion engine
10/15/1991US5056493 Environmentally harmonious fuel tank
10/15/1991US5056309 Internal combustion engine, particularly otto engine
10/08/1991US5054520 Remotely actuated fuel tank vapor vent valve
10/08/1991US5054508 Fuel tank vent system and diaphragm valve for such system
10/08/1991US5054460 Exhaust gas recirculation system
10/08/1991US5054455 Regulated flow canister purge system
10/08/1991US5054454 Fuel vapor recovery control system
10/02/1991EP0401251B1 Motor vehicle
10/02/1991DE4009923A1 Valve controlling recirculation of exhaust gases - is so shaped that small lift of valve head allows small flow
10/01/1991US5053059 Air-intake system for residential furnaces
10/01/1991US5052363 EGR control valve having ceramic elements
09/1991
09/25/1991EP0447623A1 Electromagnetic valve
09/24/1991US5051113 Membrane of a polymer of perfluoro-2,2-dimethyl-1,3-dioxole for air intakes in engines
09/24/1991US5050568 Regulated flow canister purge system
09/17/1991US5048493 System for internal combustion engine
09/17/1991US5048492 Air/fuel ratio control system and method for fuel vapor purging
09/17/1991CA1289024C Alcohol fuel operation conversion means for internal combustion engines
09/12/1991DE4007516A1 Reduction of exhaust pollution of diesel engine - by fitting particle filter and oxidising catalyser
09/04/1991EP0444517A2 Self-diagnosis apparatus in a system for prevention of scattering of fuel evaporation gas
09/04/1991CN1054293A Apparatus for producing highly humid air
09/03/1991US5044341 Process and device for tank-ventilation adaptation in lambda control
09/03/1991CA1288314C Vapor vent valve apparatus
08/1991
08/28/1991WO1991013251A1 Treatment of fuel vapour emissions
08/28/1991EP0442981A1 Internal combustion engine.
08/22/1991WO1991012426A1 Installation for venting the petrol tank of a motor vehicle and process for testing its performance
08/20/1991CA1287805C Apparatus and method for removing and burning hydrocarbon vapors using an internal combustion engine
08/13/1991US5039651 Decomposing wood chips, coconut shells with zinc chloride; calcining, activating with gas; adsorbing butane
08/13/1991CA1287532C Method and apparatus for filtering solid particulate matter from diesel engine exhaust
08/07/1991EP0440511A1 Apparatus for producing highly humid air
08/06/1991US5036823 Combination overfill and tilt shutoff valve system for vehicle fuel tank
08/01/1991DE4002123A1 Verfahren und vorrichtung zur rueckgewinnung von kohlenwasserstoffen aus einem gas-luft-gemisch Method and apparatus for the recovery of hydrocarbons from a gas-air mixture-
07/1991
07/30/1991US5035228 Exhaust-gas recycling device for an internal-combustion engine, epsecially a diesel engine
07/30/1991US5035227 Vaporizer for internal combustion steam engine
07/26/1991WO1991011240A1 Process and device for recovering hydrocarbons from a gas-air mixture
07/26/1991CA2049996A1 Process and device for recovering hydrocarbons from a gas-air mixture
07/24/1991WO1991011247A1 Filter material for motor vehicles
07/24/1991CA2049978A1 Filter material for motor vehicles
07/23/1991US5033574 Traction control device for a vehicle
07/23/1991CA1286559C Exhaust gas recirculation valve assembly
07/23/1991CA1286557C Controlling emissions from two stroke engines
07/18/1991DE4028253C1 Additive feed for vehicle fuel tank - has piston controlled by tank float riding in cylinder to dispense additive
07/17/1991EP0436899A2 Constant current vacuum regulator
07/17/1991EP0322412B1 Exhaust gas recirculation
07/09/1991US5030256 Automotive air filter construction
07/09/1991US5029570 Exhaust gas recirculation control
07/09/1991CA1285837C Steam purge of a piston/cylinder gap in a diesel engine
07/02/1991US5027868 Vapor recovery systems
07/02/1991US5027783 Carburetor for an internal combustion engine
07/02/1991US5027781 EGR valve carbon control screen and gasket
07/02/1991US5027780 Air-fuel control device for an internal combustion engine
07/02/1991CA1285493C Method and apparatus for filtering solid particulate matter from diesel engine exhaust
06/1991
06/27/1991DE4037541A1 Diesel engine using hydrogen or hydrogen and petrol fuel - uses steam turbine coupled to generator and electrolysis device for hydrogen and oxygen generation
06/26/1991EP0433632A1 Method to control an internal combustion engine without throttle
06/19/1991WO1991009221A1 Regulated flow canister purge system
06/19/1991CA2071925A1 Regulated flow canister purge system
06/18/1991US5024678 Process for the prevention or reduction of deposits in carburetors, injection devices and similar devices of engines
06/12/1991EP0431357A1 Method of combustion of an aqueous fuel in an internal combustion engine
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