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| Number | Title | Issue Date |
| RE39704 | Centrifugal separator with weight thrust bearing A self-powered centrifugal separator, for separating particulate contaminants from a liquid lubricant of an automobile engine, includes a rotor container rotatable about an axle to which it is journalled by bushes. When the engine is running, a film of pressurized l... | 06/26/2007 |
| 7192518 | Liquid circuit A circuit for filtering a liquid, comprising a storage vessel (10), a pump (17), a consumer device (14), a filter element (23) and a controller (24). The circuit maybe used in systems where liquid, e.g. water, oil or fuel, is filte... | 03/20/2007 |
| 7152745 | Filter bypass monitoring system A method and apparatus for sealing the opposed side edges of a fluid treating belt filter (3) by employing an inflatable elastic tube (18). Opposed sealing surfaces are spaced apart from each other defining a gap there between which can be brought into... | 12/26/2006 |
| 7137510 | Filter element A filter element in which several layers (2, 3, 5, 7, 8) made of a filtering medium are joined contiguously in the direction of flow with at least one layer (2, 7) made of a filtering medium with a high storage capacity and a low degree of separation b... | 11/21/2006 |
| 7025029 | Air intake tube for an internal combustion engine An air intake, especially for internal combustion engines with a V-shaped cylinder arrangement, which is composed of two units (16a, 16b). From the two units (16a, 16b) extend the intake ducts (19a, | 04/11/2006 |
| 6994768 | Cylindrical filter element A cylindrical filter element which comprises a folded filter medium, in particular having a pleated configuration, which is annularly secured to a hollow cylinder, two expanded film axial end plates, and a support tube which is integrated into the cylindrical filter... | 02/07/2006 |
| 6973925 | Ventilation device for crankcase The invention relates in particular to a ventilation device for a crankcase of an internal combustion engine. Said device comprises a centrifugal oil separator, which has an inlet for an oil-air mixture, an air vent for the purified air and an oil outlet for the oil... | 12/13/2005 |
| 6966981 | Replaceable filter cartridge with support element and liquid filter with such a filter cartridge A replaceable filter cartridge assembly for a liquid filter and a liquid filter in which such a filter cartridge is installed. The filter cartridge 10 is provided with a support element 15, and a seat 20 for a sealing membrane 19 is provi... | 11/22/2005 |
| RE38855 | Centrifugal separator with one or more internal contaminant barriers A centrifugal separtor for non-cohesive particulates, such as are found in transmission oils and hydraulic liquids, rather than the cohesive combustion products found within internal combustion engine lubricants, consists of a housing enclosing a vertical spindle on... | 10/25/2005 |
| 6942709 | Switchable cyclone for separating particles or droplets from a fluid stream A cyclone arrangement for separating particles or droplets from a fluid stream, including at least two cyclones (1, 2, 3; 21, 22, 23), which have a tangential intake opening (4, 5, 6; 24, 25) for the fluid stream and set the fluid stream into rotation ... | 09/13/2005 |
| 6911142 | Overhead return piping system An apparatus and method for circulating coolant liquid between machine tools and a coolant filtering unit through an overhead return line. A small stream of clean coolant is diverted to a flush tank and the tank is pressurized, e.g., with compressed air. Periodic re... | 06/28/2005 |
| 6893561 | Liquid filter with a cast metal housing and method of producing the same A housing configuration for a liquid filter in which the housing is cup-shaped and is produced by a molding technique. The housing lid or lid is secured to the housing (10) by a course of threads (28) which can be produced without forming any undercuts... | 05/17/2005 |
| 6893571 | Method and apparatus for storing water separated from fuel An apparatus for storing water separated from fuels by a fuel filter is provided. The apparatus includes an absorber connected to a water accumulator of the fuel filter. The stored water may then be released again through heating or pressure using commercially avail... | 05/17/2005 |
| 6886517 | Intake device for an internal combustion engine having impulse charging An intake head device for an internal combustion engine, which is suitable for impulse charging and/or residual exhaust gas purging, including a pressure accumulator (24) which may apply overpressure to the pressure passage via a pressure passage, so that thi... | 05/03/2005 |
| 6884273 | Multicell cyclone and method for producing it A multicell cyclone with a plurality of cyclone cells and a method for the production thereof, in which the cyclone cells of the multicell cyclone are combined into groups from which deposited particles are cleaned out by vacuum suction through channel structures. T... | 04/26/2005 |
| 6860249 | Intake manifold with mounting flange and insert for reinforcing the flange An insert for reinforcing a flange component and an intake manifold for an internal combustion engine in which such an insert is used. The insert (14a) is open toward a longitudinal side (17) of the cylinder head flange (13), so that a mo... | 03/01/2005 |
| 6852217 | Filter with an annularly constructed filter medium A filter with a cylindrical filter cartridge in which the filter cartridge has a recess 23, through which functional parts, such as a water level sensor 25 and a water discharge tube 24, can be inserted. This filter may be used, for example, as ... | 02/08/2005 |
| 6837261 | Control valve assembly of valve assembly-injection-molded control valves or modules A control valve assembly comprising at least two control valves which may be used, for example, to throttle the air intake of an internal combustion engine. The assembly is provided with a centrally arranged, force-transmitting shaft (32). The control valves ... | 01/04/2005 |
| 6823838 | Switching assembly for closing intake lines of an air intake device and intake device incorporating same A switching assembly (10) having closure elements such as switch valves (18), for example, for closing intake lines (24b) and an intake manifold (28) in which the switching assembly is installed. The switching assembly (10) ... | 11/30/2004 |
| 6817173 | Method and device for simultaneous regulation of an intake air flow for an internal combustion engine and a secondary air flow in the exhaust system of the same internal combustion engine A method and an apparatus are described for the simultaneous adjustment of an air intake stream 24 of an internal combustion engine 10 and of a secondary air stream 21 into the exhaust system 12 of the internal combustion engine, the seco... | 11/16/2004 |
| 6811694 | Liquid filter A liquid filter for removing contaminants from liquids such as lubricating oil, water or fuel, comprising a filter housing (10), a filter element (15), a support body (16) and a slide valve (17), which, when closed, prevents liquid from f... | 11/02/2004 |
| 6805089 | Intake device An intake device (1) for an internal combustion engine including a main body (2) and cover element (3; 20) which are securely connected to one another. Main body (2) and cover element (3) form intake pipes (4, 5, 6, 7) of in... | 10/19/2004 |
| 6792925 | Filter device A filter device having a filter element arranged in a filter housing with a housing port closed by a housing cover with a housing ring. A medium to be purified is supplied to the filter element through an inlet in the filter housing. On the discharge side of the fil... | 09/21/2004 |
| 6761748 | Air filtration system An air filtration system for purifying an air stream, such as the intake air for an internal combustion engine, including a system plate (10), an unfiltered air zone (13), a filter housing (12) containing a filter element (16), and a filt... | 07/13/2004 |
| 6752113 | Mounting arrangement for an intake manifold and a method of making same A mounting arrangement for an intake manifold and a method of making same. The mounting arrangement includes an adapter plate attached to a cylinder head of an engine. The adapter plate has at least one aperture having a smooth inner surface. The intake manifold inc... | 06/22/2004 |
| 6752115 | Air intake device for an internal combustion engine An intake device for supplying combustion air to an internal combustion engine composed of two sealingly connected half shells (10, 11) which form an intake air plenum (13), intake ducts (14), and a cylinder head flange (15) in which ther... | 06/22/2004 |
| 6746604 | Liquid filter A liquid filter is described, which comprises a housing, a cover to seal said housing, a filter element arranged in said housing, and a supporting body for the filter element connected to the cover. The housing has an inflow opening for the liquid to be filtered as ... | 06/08/2004 |
| 6742489 | Intake manifold for internal combustion engine with integrated fuel rail A combined air intake manifold and fuel delivery rail for an internal combustion engine which decreases manufacturing and assembly costs, as well as the weight of the engine. An air channel formed in a hollow portion of the manifold registers with air intake ports i... | 06/01/2004 |
| 6740026 | Centrifugal separator with an arrangement for hindering inadvertent cover removal A centrifugal separator (10) for an engine includes a rotor (30) mounted within a housing (12, 14) for rotation on hollow spindle (42) to the end of which oil is supplied at high pressure to enter the rotor. To prevent the rotor from flyi... | 05/25/2004 |
| 6736874 | Filter device with clamping wedge A filter device, especially for filtering the intake air of an internal combustion engine, which includes a housing with an unfiltered air inlet and a clean air outlet, and a substantially cylindrical, replaceable filter insert disposed in the housing, which separat... | 05/18/2004 |
| 6732695 | Intake manifold for an internal combustion engine An intake manifold (10) for a multi-cylinder internal combustion engine includes a tubular intake distributor (12) from which a plurality of long intake tubes (13) extend and lead to the individual cylinders. Short intake tubes (14) likew... | 05/11/2004 |
| 6732712 | Intermediate flange system for an internal combustion engine with direct fuel injection An intermediate flange system for an internal combustion engine with direct fuel injection. The intermediate flange system is mounted between the intake device and the cylinder head and includes two subunits (10, 11). The first subunit includes a basic body (... | 05/11/2004 |
| 6723149 | Separator for liquids comprising a separating cartridge, particularly for separating oil from crankcase gases A separator for liquid, in particular for removing oil from crankcase gases, having a cover (11) into which a mount (13) for a cylindrical separating cartridge (14) is incorporated. The separating cartridge is composed, for example, of a non-wov... | 04/20/2004 |
| 6712571 | Releasable fastening device for mounting components A releasable fastening device that includes a rivet (3) that can be inserted in through openings (5, 6) of components (1, 2) that are to be mounted. The rivet (3) is provided with a projection at one end and with spreadable expansion elem... | 03/30/2004 |
| 6713910 | Control unit comprising an electric motor with a rotary magnet A control unit comprising at least one electric motor with rotary magnets and optionally a control element, in which arresting elements ensuring the end positions of the control element are provided between movable and stationary parts of the control unit. The drive... | 03/30/2004 |
| 6709576 | Fuel filter with water discharge A fuel filter 10, particularly for diesel fuel, which is formed by a filter housing 11 with a filter head 12 and a filter enclosure 13. The filter head 12 has a fuel inlet 14 and a fuel outlet 15. The housing enclosur... | 03/23/2004 |
| 6711524 | Method and apparatus for monitoring service-intensive replaceable parts in an assembly A method and apparatus for monitoring service-intensive replaceable parts in an assembly in which information regarding a replaceable part (1), such as specifications, physical dimensions, physical properties, functions and/or other data for the replaceable p... | 03/23/2004 |
| 6709588 | Filter for internal combustion engine fuels A filter for filtering liquids, especially fuel, which includes a concentric housing, an unfiltered liquid inlet, and filtered fluid outlet, and a backflow member. A concentric filter element, with a dirt collecting chamber in the lowermost part thereof, is disposed... | 03/23/2004 |
| 6705272 | Air intake system with an air filter An air intake system for intake air of an internal combustion engine comprising a filter insert (19) in a housing (10) connected to the air conducting system by a plurality of inlets (13) and an outlet (22). The air inlets are provided wi... | 03/16/2004 |
| 6692675 | Method of producing a control valve assembly A method for producing a control valve assembly using a mold comprising an upper mold half (20) and a lower mold half (21). A shaft (11) with premounted bearing blocks (13) or other functional components is placed in the mold, and the control valves subse... | 02/17/2004 |
