| Patent Number |
Title Of Patent |
Date Issued |
| 5457957 |
Method and apparatus for heating a catalytic converter upon cold engine starting |
October 17, 1995 |
| A pre-heating arrangement for a catalytic converter of an internal combustion engine having a pre-heating burner operated according to a control and regulation program in the cold-running state of the internal combustion engine after start up. The catalytic converter (2) is formed by |
| 5417059 |
Burner system for detoxification or cleaning the exhaust gases of an internal combustion engine |
May 23, 1995 |
| A burner system for cleaning exhaust gases in the exhaust line of an internal combustion engine during start-up of the engine. The burner system serves to heat the catalytic convertor during start-up. The burner system has a burner including a combustion chamber for supplying combust |
| 5315867 |
Apparatus for measuring the fraction of liquid fuel in a fuel tank |
May 31, 1994 |
| The quantity of fuel in a fuel tank 1 is measured by determining the displacement of a membrane 19 and pressure values from a sensor 13. The displacement values of the membrane are representative of volume changes in a gas chamber in the tank 1 while the pressure values in the sensor 13 |
| 5245870 |
Apparatus for measuring the fraction of liquid fuel in a fuel tank |
September 21, 1993 |
| Apparatus for measuring the quantity of fuel in a fuel tank of a vehicle wherein a chamber 41 is disconnected from tank 1 and connected to a fuel pump 4 after the measurement of the fuel quantity in the tank is conducted, the tank 1 being connected to the atmosphere, so that membrane |
| 5182942 |
Process and apparatus for utilization of fuels with alcohol additives for an internal combustion |
February 2, 1993 |
| Process and apparatus for utilization of fuels with alcohol additives for an internal combustion engine in which during the heating of a sample quantity of a fuel mixture of a conventional fuel and alcohol there is a delay in the temperature increase in the region of the boiling point of |
| 5159898 |
Process and apparatus for utilization of fuels with alcohol additives for an internal combustion |
November 3, 1992 |
| A process and apparatus for utilization of fuels with alcohol additives for an internal combustion engine which are characterized by the fact that at the present time comercial types of fuel have approximately the same molecular weights, which are clearly distinct from the molecular weig |
| 4766865 |
Device for determining the position of a crankshaft in relation to the cylinder |
August 30, 1988 |
| To rapidly determine the position of the crankshaft of a four-cycle engine with an equal number n of cylinders in relation to its cylinders it is proposed that a signal generator attached to the crankshaft be divided along its circumference into n/2 equal signal-mark sections, each with |
| 4439376 |
Flow proportioning device |
March 27, 1984 |
| A proportioning device for controlling fluid flow includes a pair of discs (1 and 6) mounted eccentrically face to face and rotatable about parallel axes. The discs are spring biassed towards each other so that a contact face (7) on disc (6) is in constant contact with a slide face (2) o |
| 4434772 |
Combustion mixture generator for internal combustion engines |
March 6, 1984 |
| A carburettor or other combustible mixture generator 1 has a mixture chamber 3 surrounded by a tubular wall 2 which has an inner skin 9 and an outer skin 10 with an annular heating chamber 11 between them. Heating fluid such as exhaust gas or heated engine cooling water flows through the |
| 4433661 |
Device for the speed-dependent closure limitation of a carburettor main throttle |
February 28, 1984 |
| A device for the speed-dependent closing limitation of a selectively adjustable carburettor main throttle, which is prestressed in the closing direction, includes a variably positionable throttle stop for effecting a substantially complete closure of the main throttle above a rotational |
| 4420439 |
Constant pressure carburettors |
December 13, 1983 |
| A downdraught carburettor of the constant pressure type has a mixing chamber 2 with an operator-controlled throttle valve 3 at its downstream end and a choke valve 10, which is operated by a diaphragm box 20 in dependence upon the pressure in the mixing chamber 2, at its upstream end. |
| 4377998 |
Method and apparatus for varying the spacing of sequential ignition control pulses emitted by an |
March 29, 1983 |
| A method for varying the phase spacing of sequential ignition control pulses emitted by an ignition pulse transducer and an apparatus for performing the method are proposed, wherein it is ascertained in the case of the sequential ignition pulses whether their phase spacing has become |
| 4359433 |
Constant-pressure carburetor |
November 16, 1982 |
| In a constant-pressure carburetor having a fuel/air mixing chamber (3) which operates under reduced pressure, fuel feed means through which the fuel is drawn into the mixing chamber (3) from a float chamber (6) as required, an air inlet duct (1) having an automatically vacuum controlled |
| 4354383 |
Method of and device for measuring the amount of liquid fuel in a tank |
October 19, 1982 |
| To measure the amount of liquid fuel in a ventilated fuel tank (1), the ventilation of the tank is stopped temporarily by a valve (7) and gas is removed from or fed into the unventilated tank through a device (12). A quantity indicative of the change in the gas state in the tank is measu |
| 4105001 |
Control mechanism for operation of an internal combustion engine |
August 8, 1978 |
| A control mechanism for operation of an internal combustion engine has a throttle, a plurality of cylinders and a three dimensional cam formed with first and second curved surfaces; the first surface is dependent in cam position from a changeable operating parameter and an arbitrary chan |
| 4037406 |
Apparatus for the predetermined addition of secondary air for the optimum combustion of exhaust |
July 26, 1977 |
| Apparatus for the predetermined addition of secondary air used in effecting optimum combustion of internal combustion engine exhaust gases, including a control arrangement including one or more measuring parameters sensing engine operating or exhaust gas contents and, in response to the |
| 3982394 |
Control installation for the proportioning of a secondary air quantity for achieving optimum com |
September 28, 1976 |
| A control installation for the proportioning of a secondary air quantity employed for achieving optimum combustion or after-burning in internal combustion engines. The installation provides for stabilization of the measuring receptivity of sensors employed for the measurement of the |
| 3931710 |
Method and installation for the predetermined addition of secondary air for the optimum combusti |
January 13, 1976 |
| Method and installation for the predetermined addition of secondary air used in effecting optimum combustion of internal combustion engine exhaust gases, including a control arrangement including one or more measuring devices sensing engine operating or exhaust gas contents and, in respo |
