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WO/1992/010663A1 |
A rotating actuator for adjusting the angle of rotation of adjusters, especially a throttle to determine the flow cross-section in a line for internal combustion engines, has an electric servomotor (15) with a two-pole stator (18), a sta...
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WO/1992/009800A1 |
At the air intake of an internal combustion engine is provided a turbine through which airflow to the engine passes. The turbine is coupled to a shaft which is connected to a turbine within the exhaust system of the engine and through an...
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WO/1992/008887A1 |
An exhaust pressure modulation valve for a diesel engined vehicle combines the functions of an exhaust brake and a warm-up valve and has a single butterfly (12) to close the exhaust tract. The butterfly is reactive and opens automaticall...
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WO/1992/003645A1 |
In a two-stroke cycle engine (30) the walls (43) of the transfer port duct (39) are made of a resilient material with incorporated cavities (44). The volume of a fluid within the cavities (44) is varied to alter the shape of the duct wal...
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WO/1992/001148A1 |
This patent application - worldwide - is for an induction system for internal combustion engines without valves, with the following characteristics and performances: improving efficiency and power output; providing total freedom in inlet...
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WO/1992/000445A1 |
This invention relates to an exhaust modulator in or to be fitted in the exhaust system of an engine, comprising a body (10) defining a flowpath therethrough for engine exhaust gases, a gate (44) in the exhaust flowpath movable between a...
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WO/1991/018194A1 |
The proposal is for a throttle butterfly adjuster in which information can be mechanically transmitted from an initial transmission component by way of an intermediate piece (28) to a throttle butterfly actuator. However, the position of...
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WO/1991/015669A1 |
An operating device for a throttle valve is described, wherein the maximum angle of aperture of the throttle valve is determined mechanically, whilst smaller angles can also be actuated electrically. An idling admission control can be in...
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WO/1991/015668A1 |
The design and construction of present engines (12) have generally not compensated for white smoke during start up and cold operating conditions where incomplete combustion occurs. The present invention overcomes these problems by using ...
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WO/1991/014090A1 |
To prevent the noise which develops in a governor (1) due to the passage of air, and to prevent the abrupt changes in the air torque which occur on the rotary valve (6) and which affect control, the closing element (25) of the rotary val...
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WO/1991/013245A2 |
The throttle blade is made to have a resilient outer margin whose outside diameter is circular and essentially equal to the diameter of the throttle bore within which the blade is disposed. The blade can maintain control even at engine i...
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WO/1991/012417A1 |
A control system for regenerating a particulate trap in the exhaust system of a diesel engine includes control logic which controls the air/fuel ratio of the engine by operating a backpressure valve in the engine exhaust system to provid...
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WO/1991/007580A1 |
In order to maintain or even increase a constant speed, even at high on-load torques, a first embodiment comprises, in addition to the existing mechanical governor (6), a governor (7) which replaces the conventional adjusting screw for b...
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WO/1991/005152A1 |
Device for reducing gas exchange losses or pumping losses of an internal combustion engine comprising a throttle (1) for controlling the pressure in the inlet manifold for the combustion air with or without fuel to the cylinders of the m...
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WO/1991/004401A1 |
In a process for adjusting the quantities of air and fuel in a multi-cylinder internal combustion engine with individual injection for each cylinder as far as possible, the quantity of fuel for each injection cycle is calculated taking a...
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WO/1991/002894A1 |
The aim of the invention is to obtain a rotating actuator (1) with a rotary slide valve, in particular for controlling the cross-section of a choke, in which the sealing of the pneumatic part (16) and the electrical part (17) is improved...
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WO/1991/002660A1 |
A prior art device has, located between the accelerator pedal and the throttle valve, not only mechanical transmission means but also electromechanical transmission means with a switchable coupling element. This prior art device has the ...
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WO/1991/002890A1 |
In a prior art device, the throttle valve can be controlled mechanically or electromechanically depending on the position of a double-action coupling element. A disadvantage of this prior art device is that it is bulky, liable to failure...
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WO/1991/002661A1 |
A prior art device has electromechanical transmission means with an adjustable coupler between the accelerator pedal and the throttle valve as well as mechanical transmission means. The drawback of the prior art device is that the mechan...
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WO/1991/002893A1 |
In order to simplify the structure and mounting of an idle running rotary actuator (1) having a rotary valve (3) that controls the throttle cross-section of the bypass line (4) in an internal combustion engine, the field coils (8) of the...
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WO/1991/003062A1 |
The aim of the invention is to simplify a rotating actuator (1) with a magnetic reset element (18), in particular for controlling the cross-section of a choke, and to improve the torque profile of the reset element (18). To this end, the...
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WO/1991/002891A1 |
There are several ways of axially securing a throttle valve spindle: an additional spring exerts axial pressure on the throttle valve spindle or an additional recess is provided on the spindle with which a tongue secured to the housing e...
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WO/1991/000957A1 |
Proposed is a process for controlling an internal-combustion engine, in particular in conjunction with engine-power control systems. The aim is to avoid potentiometer failures due to insulation abrasion fines, produced by the movement of...
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WO/1990/015284A1 |
An automated gas distribution system for safely and reliably controlling the flow of gaseous fuel to gas appliances. The system implements a "closed-loop" delivery of gas, i.e., the gas is provided to a recognized appliance only when tha...
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WO/1990/012701A1 |
Described is a device for motor vehicles, which gives forward-drive control and constant-travel-speed control. Inserted in the power transmission between the accelerator and the throttle valve is a regulating unit which acts on the throt...
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WO/1990/011442A1 |
In a process for determining at least one end position of an adjusting device (14) in a motor vehicle, the adjusting device (14) can be controlled in the direction of its end positions, each end position of the adjusting device (14) is d...
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WO/1990/010144A1 |
An internal combustion engine has two differently tuned sets of runners leading to the cylinders. A wave deflector element (42) transversely spans a particular runner for one cylinder and the corresponding particular runner for an adjace...
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WO/1990/009516A1 |
An internal combustion engine air supply system having a first air intake passage (11) through which air can flow to the engine (8) with a driver actuated mechanism operatively coupled to a first control means (12) to vary the air flow t...
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WO/1990/008251A1 |
An electronic butterfly valve adjusting mechanism wherein the current supply to the adjusting motor (6), which is equivalent to the sum of all of the mechanical moments acting on the motor shaft, is monitored and a ''window'' is preselec...
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WO/1990/006434A1 |
Device for detecting and correcting faulty disconformity between desired and actual positions of a servo controlled regulating member, particularly a butterfly valve (11) in the intake manifold system (12) of an internal combustion engin...
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WO/1990/005650A1 |
This invention relates to a vehicle engine control unit suitable for use in an automobile. When driving state switching means (202) outputs a constant speed driving designation signal, target torque calculation means (205) calculates a t...
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WO/1990/005842A1 |
A multi-valve engine has a plurality of inlet channels (2, 3) each having a choke (6) and a fuel injection (7) as well as an intake valve (5). The intake channels, which run in different directions, are arranged so that the gas stream wh...
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WO/1989/010282A1 |
A motor vehicle power line comprises a combustion engine (8), a gearbox (10) and an electronically controlled clutch (20). The engine throttle (84) is actuated by an electric motor (92) controlled by the electronic control (48) usually i...
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WO/1989/009879A1 |
A two cycle crankcase compression fuel injected internal combustion engine has a first set of one or more throttle valves (104, 106) controlling combustion air flowing into the crankcase, and a second set of one or more throttle valves (...
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WO/1989/007706A1 |
An accelerator control apparatus (12) for mounting in a motor vehicle for a ''drive-by-wire'' system. The apparatus provides a bias spring means (38) to generate the ''feel'' of an accelerator pedal (28) to the vehicle operator, a compre...
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WO/1989/007707A1 |
An electronic throttle actuator (10) is directly connected without an intervening gear train to a stepper motor (12) for rotating the throttle valve (16) from a first position, closed or substantially closed, to a second position which i...
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WO/1989/005906A1 |
A process and a device are useful for detecting a jammed or frozen adjusting element in an internal combustion engine and for releasing the jammed adjusting element by means of vibrations.
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WO/1989/005395A1 |
A diesel engine comprises an air intake pipe (12) in which is arranged a throttle valve (16). In order to avoid operating conditions detrimental to the engine, for example if the maximum admissible engine speed is exceeded in an uncontro...
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WO/1989/004420A1 |
An improved exhaust port throttling mechanism for a two-stroke engine. The engine includes a plurality of in-line cylinders (2) each having an exhaust passage (5) disposed to be closed during reciprocating movement of the piston. The exh...
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WO/1989/003473A1 |
A compact high inertia engine intake system is described for an internal combustion engine achieving near optimum breathing over most of the engine's speed range even with fixed valve timing. The internal combustion engine has two or mor...
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WO/1989/002981A1 |
A throttle assembly (10) for an engine comprising: a primary throttle plate (16) rotatably mounted on a first shaft (18); linkage (22) for rotating the first shaft (18) in response to operator demand; a second throttle plate (42) receive...
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WO/1989/002518A1 |
An exhaust control valve (24) for two-stroke cycle engines is disclosed. This valve is within the exhaust passage (20), seals against the piston, and delays opening of the exhaust passage (20) to the combustion chamber (14) during the ex...
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WO/1989/002031A1 |
An adjustment assembly for a throttle cam (10) includes a mounting area (19) on the throttle cam in which a hole is provided. A cam adjustment means (24) is provided which includes a base plate (26) in a cylindrical shoulder (28) extendi...
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WO/1989/000639A1 |
The invention is concerned with a venturi throttle valve for an internal combustion engine, in which an air flow path having a centrally positioned core (12) is defined by a tube (36) having a resiliently flexible wall which separates th...
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WO/1989/000643A1 |
There is disclosed a spark ignition engine having at least one cylinder (10), a piston (11) linearly reciprocable in the cylinder so as to effect induction, compression, combustion and exhaust of an air/fuel mixture supplied to the engin...
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WO/1989/000241A1 |
In a multicylinder internal combustion engine, in particular an Otto engine, with exhaust return system (24), the fuel requirements are reduced by introducing the exhaust return into the fuel/air mixture through a turbulence nozzle (28) ...
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WO/1988/010365A1 |
A system for adjusting the angle of the throttle valve in internal combustion engines makes it possible to adjust the idling stop for the throttle valve angle during idling and to detect any faults which arise. When the throttle valve to...
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WO/1988/009434A1 |
A disadvantage of known devices for controlling idling in internal combustion engines is that full opening of a control cross-section is attained only after the maximum adjustment path is traversed, which requires a very high exciting cu...
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WO/1988/009435A1 |
A disadvantage for controlling idling in internal combustion engines is that when the adjusting motor is excited and the spring fails to operate, the device is fully opened and in consequence the internal combustion engine contains a dan...
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WO/1988/006682A1 |
This invention relates to a device for returning a suction throttle valve of an engine, which is used for a fuel injector and a carburetor. A cup-shaped spring holder (32) having a collar at the outer circumference of the open end portio...
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