| Patent Number |
Title Of Patent |
Date Issued |
| 7582036 |
Actuating device |
September 1, 2009 |
| An actuating device including a housing that is closed by a cover in such a way that both an electric motor and a gearbox unit are completely enclosed. An internal gear segment, arranged on an output shaft in a rotationally fixed manner, is positioned on a borehole of the cover. An a |
| 7546828 |
Throttle body assembly for an internal combustion engine |
June 16, 2009 |
| The invention relates to a throttle plate port whose pivot axis is disposed so as to be axially offset with respect to the throttle plate and whose radial peripheral surface is shaped, at least by sections, in the form of spherical sectors, where in the position which closes the bore |
| 7458792 |
Sintered metal rotor of a rotary piston pump |
December 2, 2008 |
| The invention relates to a sintered metal rotor of a rotary piston pump, comprising a pot-shaped base (1) and a journal element centrally projecting from the bottom of said base (1). Said journal element comprises a base section and an adjoining connecting claw section (2) for a coup |
| 7428897 |
Controllable two way valve device |
September 30, 2008 |
| The invention relates to a controllable two-way valve (1), in which a valve rod (3) is connected in a permanent manner to at least two valve members (4, 5, 6, 24, 25; 39, 40), the valve rod (3) being actuated by means of an actuator (2). The housing (7) comprises an inlet (8; 4) or o |
| 7343743 |
Exhaust-gas return system for an internal-combustion machine and method of returning exhaust gas |
March 18, 2008 |
| An exhaust gas return system for an internal-combustion machine which comprises a low-pressure supply line extending from an inlet From the compressor. a high-pressure supply line extends to the internal-combustion machine. From the internal-combustion machine a high-pressure exhaust |
| 7316216 |
Valve adjusting device |
January 8, 2008 |
| The invention relates to a throttle valve adjusting device (1) which comprises a throttle valve housing (2) linked with a drive unit (6). According to the invention, the electric motor (7) of said drive unit (6) is disposed both outside the housing (9) of the drive unit (6) and outsi |
| 7213587 |
Adjustable two-way valve device for a combustion engine |
May 8, 2007 |
| An adjustable two-way valve device is described that is embodied as a rotary valve. According to the invention the use of the rotary valve as a two-way valve is achieved by the skillful arrangement of passage openings of a valve plate with respect to control openings of a valve element. |
| 7213556 |
Flap bearing mounting |
May 8, 2007 |
| Flap bearing mountings of the present invention are for mounting flap devices (5), such as switch-over, tumble, or swirl flap devices, on a housing (2) of an air intake port system (1) of a combustion engine. Mounting of flap devices (5) is accomplished by thermoforming projections ( |
| 7207324 |
Air-intake duct system for a combustion engine |
April 24, 2007 |
| The invention relates to an air-intake duct system (1) in which a throttle valve (40), an exhaust gas recirculating valve (29), a bypass valve (19), an exhaust gas cooler (11), against which exhaust gas flows via bypass valve (19), and, optionally, an air mass sensor are integrated. A |
| 7077114 |
Exhaust gas recirculation system for a combustion engine |
July 18, 2006 |
| An exhaust gas recirculation system for a combustion engine is proposed that includes all important functions within a housing. For this purpose an exhaust gas recirculation valve, an exhaust gas cooling device with a heat exchanger unit, as well as a bypass channel with a bypass flap |
| 7074019 |
Rotor protector for wet-type rotor pump |
July 11, 2006 |
| A wet rotor-type pump, in particular used for pumping a coolant in vehicle motors, comprises a pump impeller for feeding a fluid and a motor rotor connected with the pump impeller. In wet rotor-type pumps the motor rotor is cooled by the fluid to be pumped. |
| 7011082 |
Exhaust gas feeding device for an internal combustion machine |
March 14, 2006 |
| Exhaust gas feeding device for a internal combustion machine for introducing exhaust gas into a suction channel section of an intake manifold through at least one opening, having an exhaust gas feed section, an exhaust gas feedback valve and an exhaust gas introduction plate that for |
| 6990967 |
Potentiometer device for determination of valve positions |
January 31, 2006 |
| A potentiometer device, for detecting valve positions, wherein a voltage signal U.sub.s is sendable to a control unit having an A/D converter, including a carrier element on which at least one slider track, having a slider element in contact therewith, is disposed; wherein the slider |
| 6982511 |
Pole ring |
January 3, 2006 |
| A pole ring suitable for d.c. motors is provided. The pole ring includes several retaining projections provided at the outer circumference for the secure retainment in a motor housing. The retaining projections have retaining surfaces pointing oppositely to the mounting direction. The |
| 6958918 |
Contact unit |
October 25, 2005 |
| A contact unit described includes a contact plate and a connection plug 4 for an adjusting device. A position sensor is disposed on the contact plate whose electrical contact results over conductor tracks 13 molded into the contact plate. The contact plate 8 further includes contact flag |
| 6957641 |
Adjustment device for an internal combustion engine |
October 25, 2005 |
| The invention relates to an adjustment device (1) for an internal combustion engine, particularly for adjustment of shafts with adjusting members. Heretofore known open/close switches are relatively large and cost-intensive in their production. For this reason, an adjustment device ( |
| 6939115 |
Wet-type rotor pump |
September 6, 2005 |
| A wet-type rotor pump which is particularly suitable for feeding coolant in motorcar engines comprises a pump wheel. By the pump wheel, a feed medium is fed through an intake channel into a discharge channel. Via a common shaft, a motor armature of an electric motor is connected with the |
| 6924609 |
Control device/mechanism for a motor for adjusting a control unit |
August 2, 2005 |
| The invention relates to a control device for a motor for adjusting a control unit. A motor (5) that serves for adjusting a control unit (20) is shut off in a known control device with at least one Hall switch, when the control unit (20) has achieved a desired position. In the aforementi |
| 6920898 |
High-pressure valve |
July 26, 2005 |
| A high-pressure valve comprises an intake channel and two outlet channels. Further, an actuator is provided for opening and closing the outlet channels. According to the invention, the actuator is provided with a connection channel. The connection channel makes it possible to reduce a |
| 6873150 |
Position sensor |
March 29, 2005 |
| A position sensor which is particularly suitable for the rotational angle detection of throttle or exhaust gas valves comprises a permanent magnet and at least two magnetic field sensors arranged adjacently to the permanent magnet. The magnetic field sensors are, for example, Hall se |
| 6850018 |
Motor control for an EC-motor |
February 1, 2005 |
| The invention rests on the idea that the information for controlling an EC-motor is taken from the adjustment or position of the control unit, which can be ascertained by means of a position indicator, such as a potentiometer, Hall indicator, etc. The current pattern for the EC-motor |
| 6840502 |
Flap valve for fuel aggregates |
January 11, 2005 |
| A flap valve for fuel aggregates, such as fuel cells, comprises a flap arranged within a flow channel. A shaft for pivoting the flap is connected to the flap. Further, a seal disposed in a recess of the channel wall is provided, which comprises at least one pressure pocket connected with |
| 6810848 |
Air intake channel system for internal combustion engines |
November 2, 2004 |
| An air intake channel system for internal combustion engines is provided. The system includes several air intake channels each of which is formed by at least a first and a second channel member. A common channel member is allocated to two of the air intake channels and includes two air i |
| 6784584 |
Electric motor |
August 31, 2004 |
| The electric motor comprises an internal rotor and an external stator with stator windings. The rotor comprises several permanently magnetic pole shoes. The stator windings are supported by stator pole shanks comprising, radially inside, stator pole shoes facing the rotor pole shoes. Via |
| 6734358 |
Holder for electro-pneumatic components |
May 11, 2004 |
| A holder for electro-pneumatic components for vehicles provides for a base plate with fastening elements for fastening the holder in the vehicle. Holding elements for releasable holding the electro-pneumatic components are connected to the base plate. The fixing elements each have two ho |
| 6732696 |
Air intake duct system for internal combustion engines |
May 11, 2004 |
| An air intake duct system for internal combustion engines, and in particular for V-engines, comprises a plurality of air intake ducts (10, 12). Each air in-take duct is formed by two duct portions (18), and (20) and (22), respectively. The second duct portions (20, 22) are arranged to |
| 6719265 |
Electromagnetic actuator for a valve in the automotive field |
April 13, 2004 |
| An electromagnetic actuator, particularly for use with valves in the automotive field, such as, for example, exhaust-gas recirculation valves, secondary-air valves, etc., having a housing with an electrical connector plug, a magnetic yoke, a coil unit, a guide element, a magnetic core an |
| 6692401 |
Two-stage gear mechanism |
February 17, 2004 |
| A two-stage gear mechanism includes a drive shaft having a first gear stage disposed in a fixed housing and containing planetary wheels. The two-stage gear mechanism also includes a second gear stage, driven by the first gear stage and meshing with a drive shaft. Each of the planetary wh |
| 6688271 |
Switching-type intake pipe |
February 10, 2004 |
| A switching-type intake pipe for internal combustion engines comprises an intake duct with a shorting aperture. The shorting aperture can be closed and opened by a switching flap. The switching flap is connected via a non-rigid connection with a flap lever. The connection between the fla |
| 6659424 |
Valve arrangement for pressure regulation of fuel supply in an internal combustion engine |
December 9, 2003 |
| Valve arrangement for pressure regulation of fuel introduction in an internal combustion engine having a pressure regulation and a shutoff function that can be actuated by an electromagnetic drive. A housing is provided with at least one inlet connection and at least one outlet conne |
| 6651634 |
Exhaust gas recirculation device with integral drive module for an internal combustion engine |
November 25, 2003 |
| Exhaust gas recirculation device for controlling recirculation of exhaust gases to the intake channels of an internal combustion engine. The device has a housing containing a rotary slide valve having a disk-shaped element attached to a rotatable drive shaft. The disk-shaped element cont |
| 6598576 |
Air intake channel system for internal combustion engines |
July 29, 2003 |
| An air intake channel system for internal combustion engines, particularly V engines, comprises a plurality of air intake channels. The air intake channels are respectively formed by two channel portions. The second channel portions are pivotal about a respective pivot axis, to vary the |
| 6581569 |
Valve control unit for an internal combustion engine |
June 24, 2003 |
| A valve control unit, especially for internal combustion engines, having a valve fixed on a valve spindle which is mounted for angular rotation in a valve body supporting a control motor for positioning the valve spindle. The motor is coupled to the valve spindle through a gear mechanism |
| 6571623 |
Measuring instrument with rectangular flow channel and sensors for measuring the mass of a flowi |
June 3, 2003 |
| A measuring instrument for measuring mass of a flowing medium in which a measuring body extends across the flowing medium and has a rectangular flow channel through which the medium flows. The flow channel has a constricted inlet, a central portion with parallel sides and a widened o |
| 6079265 |
Method for attaching and insulating resistors |
June 27, 2000 |
| A sensor arrangement for a film type anemometer which includes a carrier plate; a precision resistor; a planar, elongated heating resistor supplied with an adjustable power supply; and a retaining device. The operational temperature of the heating resistor is increased by a fixed predete |
| 5823753 |
Metal reinforced pump cover of an electrically driven air pump |
October 20, 1998 |
| An electrically driven air pump has a housing incorporating an electric motor in one section of the housing and a pump mechanism coupled to the motor in another section of the housing. The housing has a pump cover enclosing the pump mechanism, made of plastic and having an end wall to |
| 5676345 |
Electromagnetic valve |
October 14, 1997 |
| An electromagnetic switching valve for use in an internal combustion engine has a coil housing containing an electrical coil, and a value housing containing a valve plate for selectively opening and closing an opening in the housing through which a medium can flow from an inlet to an out |
| 5639228 |
Electrically driven air pump having friction-fit, air-tight seal joints |
June 17, 1997 |
| An electrically driven air pump having a pump mechanism in a first section of a housing and an electric motor in a second section of the housing in driving engagement with the pump mechanism. First and second end covers are sealingly secured on the housing. The electric motor is supporte |
| 5546788 |
Method and apparatus for measuring the concentration of solid particles (soot) in the exhaust ga |
August 20, 1996 |
| A method and apparatus for measuring the concentration of particles in the exhaust gas of an internal combustion engine in which the exhaust gas is mixed and diluted with air in a mixing chamber (6) and supplied to a measuring filter (4) during a measurement phase. In order to establish |
| 5524593 |
Electropneumatic control valve |
June 11, 1996 |
| An electropneumatic control valve for regeneration of a fuel absorption element by supply of air to the absorption element includes a valve comprised of a valve seat member (5) and a valve sealing member (4). The valve seat member is displaceable under the action of a pneumatic control |
| 5503185 |
Electromagnetic reversing valve |
April 2, 1996 |
| An electromagnetic reversing valve in which a slidable armature is supported with clearance in a housing and carries a plastic seal unit for selectively closing first and second channels in the housing upon sliding movement of the armature, the sealing unit provides a separate fluid |
| 5472321 |
Fuel pump having an impeller with axially balanced forces acting thereon |
December 5, 1995 |
| An improvement in a fuel pump for an internal combustion engine in which the fuel pump comprises an electric motor over which fuel is pumped to cool the motor, and a pump mechanism, constituted as a side-channel pump driven by the electric motor, pumps the fuel. The pump mechanism has a |
| 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 |
| 5388970 |
Electrically driven air pump |
February 14, 1995 |
| An electrically driven air pump having a housing, a pump mechanism in the housing and an electric motor in the housing connected in driving relation to the pump mechanism. Two spaced elastic supports support the electric motor from the housing at opposite ends of the motor. An air passag |
| 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 |
| 5226392 |
Fuel pressure control valve for internal combustion engines |
July 13, 1993 |
| A pressure control valve having a valve body 2 consisting of metal material and a spring 10 determining the control pressure of the valve and designed as a flat pressure spring with radial arms, the spring being arranged in a chamber 20 of valve body 2 which is connected to the ambient a |
| 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 |
