| Patents for G01F 9 - Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine (1,467) |
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| 06/17/1992 | EP0490709A2 Fuel comsumption measurement system |
| 05/21/1992 | DE4037349A1 Directly measuring fuel flow to ship's engines - using measuring container, filled and emptied in phases to set threshold values to ascertain fuel consumption on gravimetric principle |
| 04/15/1992 | CN2101849U Fuel consumed amount measurer |
| 03/18/1992 | EP0475806A2 Laser-worktool, especially for the cleaning of a tube of a nuclear reactor |
| 03/18/1992 | EP0475515A1 Device for measuring the consumption of fuel in an internal combustion engine |
| 03/18/1992 | EP0474711A1 Process for determining the combustion air mass in the cylinders of an internal combustion engine. |
| 01/15/1992 | CN2093383U Direct-measurement self-cooled power and oil consumption detecting apparatus |
| 11/27/1991 | CN2089619U Consumption measuring device for engine machine oil |
| 10/09/1991 | CN2086407U Liquid, gas flow measuring sensor |
| 10/08/1991 | US5056017 System to monitor fuel level in a tank, and fuel dispensed from the tank, to determine fuel leakage and theft losses |
| 09/24/1991 | US5051909 Method and means for determining exhaust backpressure in a crankcase scavenged two-stoke engine |
| 07/23/1991 | CA1286770C Method and system for monitoring the propellant consumption of a space vehicle |
| 04/09/1991 | US5006994 Method for determining the specific fuel consumption of an internal combustion engine and apparatus therefor |
| 03/20/1991 | EP0417984A1 Method and apparatus for determining engine exhaust backpressure |
| 03/07/1991 | DE4027913A1 Test arrangement for combustion engine diesel engine - measures quantity of fuel delivered to combustion chambers and counts injection pulses |
| 02/21/1991 | DE3927008A1 Measuring fuel consumption of motor vehicle - adding pulse width controlled fuel injection pulse durations during measurement period |
| 01/15/1991 | US4984456 Device for detecting a mass flow of air fed into an engine cylinder |
| 12/18/1990 | US4979119 Method and system for monitoring the propellant consumption of a space vehicle |
| 12/13/1990 | WO1990015236A1 Process for determining the combustion air mass in the cylinders of an internal combustion engine |
| 09/19/1990 | EP0286644B1 Process for electronic determination of the quantity of fuel of an internal combustion engine |
| 09/05/1990 | EP0385105A1 In-tank fuel reservoir with fuel level sensor |
| 09/02/1990 | CA2010028A1 In-tank fuel reservoir with fuel level sensor |
| 05/29/1990 | US4928657 In-tank fuel reservoir with fuel level sensor |
| 05/15/1990 | US4924835 Method of and device for the electronic determination of the fuel amount for an internal combustion engine |
| 05/09/1990 | CN2056994U Power and oil consumption meter for tractor |
| 04/03/1990 | US4912968 Method for adjusting a travel transducer |
| 02/15/1990 | DE3827156A1 Method and device for the determination of the fuel consumption of internal combustion engines |
| 02/01/1990 | DE3825630A1 Method for the determination and indication of the supply quantity of motor vehicle operational liquids contained in a supply container |
| 01/09/1990 | US4892072 System for measuring amount of air introduced into combustion chamber of internal combustion engine with avoiding influence of temperature dependent air density variation and pulsatile air flow |
| 11/28/1989 | CA1263257A1 Apparatus for measuring fuel consumption |
| 10/25/1989 | EP0339003A1 Method and device for establishing the specific fuel consumption by an internal combustion engine |
| 10/04/1989 | EP0335094A2 Apparatus for the calibration of a position sensor |
| 09/26/1989 | US4869099 Device for detecting the amount of the air intaken by an internal combustion engine |
| 09/12/1989 | CA1259286A1 Apparatus for dispensing spherical objects |
| 07/04/1989 | US4845630 Method and apparatus for calculating corrected vehicle fuel economy |
| 06/13/1989 | US4838078 Suction air amount measuring device for an engine |
| 05/30/1989 | US4833912 Flow measuring apparatus |
| 05/23/1989 | US4832499 Apparatus for feeding and metering fluid components to a high pressure mixing head |
| 04/06/1989 | DE3732293A1 Method and device for measuring the fuel consumption of an internal combustion engine |
| 03/15/1989 | EP0307312A1 Process and system for spacecraft fuel consumption monitoring |
| 11/23/1988 | EP0291953A1 System for measuring amount of air introduced into combustion chamber of internal combustion engine with avoiding influence of temperature dependent air density variation and pulsatile air flow |
| 10/19/1988 | EP0286644A1 Process for electronic determination of the quantity of fuel of an internal combustion engine. |
| 09/27/1988 | US4773260 Fuel-level detecting system for automotive vehicle |
| 08/10/1988 | EP0277240A1 Apparatus for measuring the amount of the air intaken by the engine |
| 06/01/1988 | DE3725119A1 Method and arrangement for determining the fuel consumption of ocean-going ships |
| 04/21/1988 | WO1988002811A1 Process for electronic determination of the quantity of fuel of an internal combustion engine |
| 03/31/1988 | DE3725120A1 Method and arrangement for determining fuel consumption |
| 01/28/1988 | WO1988000686A1 Apparatus for measuring the amount of the air intaken by the engine |
| 12/15/1987 | US4712529 Air-fuel ratio control for transient modes of internal combustion engine operation |
| 11/10/1987 | US4706083 Fuel economy indicator |
| 09/16/1987 | EP0237343A2 Device for detecting the amount of the air intaken by an internal combustion engine |
| 06/16/1987 | EP0225604A2 An apparatus for feeding and metering fluid components to a high pressure mixing head |
| 05/12/1987 | US4664090 Air flow measuring system for internal combustion engines |
| 05/05/1987 | US4663718 Display unit for trip computer |
| 04/29/1987 | EP0219967A1 Air flow measuring apparatus for internal combustion engines |
| 03/03/1987 | US4647902 Display unit of fuel consumption meter for automobile |
| 02/04/1987 | EP0210908A1 Double-flow flow meter for measuring the flow or consumption of a fluid |
| 12/23/1986 | US4631515 Vehicle gear shift indicator |
| 12/10/1986 | EP0083341B1 Device for measuring the fuel consumption of an internal combustion engine |
| 12/02/1986 | CA1214844A1 Method and apparatus for deriving fuel consumption data from a hydraulically driven fuel injector |
| 11/20/1986 | EP0201840A2 Method for determining the fuel consumption of a diesel engine, and device for carrying out this method |
| 10/29/1986 | CN85107140A Fuel measuring system for internal combustion engine |
| 09/23/1986 | US4612804 Apparatus for measuring fuel consumption |
| 09/17/1986 | CN86201269U Fuel meter for automobile |
| 08/19/1986 | CA1210112A1 Fuel flow monitor for an electronic fuel injection circuit |
| 06/24/1986 | US4597050 Apparatus for indicating flow of solid material into an earth moving device |
| 06/24/1986 | US4596216 Fuel meter |
| 06/04/1986 | EP0183363A1 Catalyst and process for demetallation, desulfurization and dewaxing of residua |
| 06/03/1986 | US4593357 Motor vehicle performance monitoring system |
| 04/08/1986 | US4581708 Motor vehicle performance monitoring system |
| 02/11/1986 | US4570226 Economical driving indicator device |
| 02/04/1986 | US4568655 Supported hydrogenation-dehydrogenation component containing groupvia or group viii metal |
| 01/14/1986 | US4564905 Trip computer for vehicles |
| 12/31/1985 | CA1198820A1 Fuel efficiency monitor |
| 12/17/1985 | US4559599 Optimum shift position indication using successive two-dimensional data maps |
| 11/12/1985 | US4553207 Method and apparatus for deriving fuel consumption data from a hydraulically driven fuel injector |
| 11/12/1985 | US4552015 For use with an internal combustion engine |
| 10/08/1985 | CA1194732A1 Aids for vehicle drivers |
| 10/01/1985 | US4544909 Fuel consumption signalling device for a motor vehicle |
| 07/02/1985 | US4526042 Air flow measuring apparatus |
| 06/19/1985 | EP0145280A1 Fuel economy indicator |
| 06/18/1985 | US4523572 Fuel flow monitor for an electronic fuel injection circuit |
| 04/10/1985 | EP0136828A2 Powered boat performance analyser |
| 04/09/1985 | CA1185353A1 Sonic pressure volume measuring device |
| 03/12/1985 | US4503820 Fuel injection quantity sensing apparatus for an internal combustion engine |
| 03/05/1985 | CA1183417A1 Apparatus and system for controlling the air fuel ratio supplied to a combustion engine |
| 02/26/1985 | US4501140 Fuel injection rate deducing system for a diesel engine |
| 02/12/1985 | US4498334 Apparatus for measuring fuel consumption in an internal combustion engine |
| 01/22/1985 | US4494404 Fuel-consumption monitoring system for motor vehicles with manually-shifted transmissions |
| 01/08/1985 | US4492112 Optimum shift position indicating device of vehicle |
| 12/11/1984 | CA1179120A1 Liquid level float gauge calibration means |
| 11/20/1984 | CA1178089A1 Fuel meter |
| 10/09/1984 | US4475380 For a vehicle |
| 10/02/1984 | US4474061 For measuring the volume of gases in a rigid-walled container |
| 09/04/1984 | US4470035 Analog fuel consumption signal generator for vehicles |
| 07/25/1984 | EP0114018A1 Display unit for trip computer |
| 07/24/1984 | US4462079 Apparatus for providing information for agricultural work machine |
| 05/15/1984 | US4448067 Method and apparatus for determining the injected fuel quantity in internal combustion engines |
| 05/08/1984 | US4446727 Method for integrating fuel consumption amount of vehicles |
| 05/08/1984 | CA1167145A1 Sprayer flowmeter |