Patents Assigned to Webasto AG Fahrzeugtechnik
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Patent number: 5018782Abstract: Wind deflector for motor vehicle roofs with a cover to close or open a roof opening. The wind deflector exhibits an air conducting profile placed on the front edge of the roof opening that can be pushed out into an operating position under the influence of spring force and actuating arms connected to it which are hinged to pivot on an integral part of the roof and which, by sliding the cover in the closing direction, lower the air conducting profile member into a nonoperating position. The air conducting profile member carries a stopping strip which extends at least almost entirely over its full length and which, in the operating position of the wind deflector, lies against a stop on the front edge of the roof opening and thus limits the pushing-out movement of the wind deflector.Type: GrantFiled: March 2, 1990Date of Patent: May 28, 1991Assignee: Webasto AG FahrzeugtechnikInventors: Gunnar Fiegel, Stefan Schreiter
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Patent number: 5014910Abstract: A motor vehicle heating system which is provided in a motor vehicle coolant circuit containing a motor vehicle engine, a motor vehicle heater with a heat exchanger and an associated blower, and a fuel operated heating device that is independent of the motor vehicle engine and is connected upstream from the motor vehicle heater, and a process for operating such a motor vehicle heating system, by which the motor vehicle engine in the motor vehicle coolant circuit is heated first to a temperature which is low yet facilitates its starting, and then the coolant is heated so that the motor vehicle heater can provide heat quickly. Until a first predetermined temperature of the coolant is reached, the coolant, is circulated in the complete motor vehicle coolant circuit.Type: GrantFiled: December 11, 1989Date of Patent: May 14, 1991Assignee: Webasto AG FahrzeugtechnikInventors: Peter Koch, Peter Waas, Franz Neumeyer, Georg Baechle
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Patent number: 5002334Abstract: Vehicle roof having a cover which, in a closed position, covers a roof opening in a fixed roof surface, and which can be extended above a fixed roof surface by pivotal movement about a pivotal axis which extends between its lateral edges. Below the cover, a cover liner is provided which, during upward extension of the cover, is bent about a center axis which is parallel to the pivotal axis of the cover. The liner, in a transversely extending center area, is provided with at least one cutout that extends transversely across a main portion of the liner and which reaches downwardly from the upper side of the liner, through a portion of the thickness of the liner sufficient to create a flexible hinge-like portion, thus permitting the liner to bend when the cover is extended. When the liner is in its unbent condition, the cutout has a cross-sectional shape that widens upwardly.Type: GrantFiled: May 10, 1989Date of Patent: March 26, 1991Assignee: Webasto AG FahrzeugtechnikInventors: Klaus Meiler, Hans Jardin, Andreas Hafner
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Patent number: 4991396Abstract: The invention relates to a high performance burner whose performance can be controlled in a stepless manner. To this end, a premixing chamber is upstream of a burner nozzle that extends into a combustion chamber. Fuel is supplied in controllable amounts to the premixing chamber, and a mixture, in the form of an emulsion, is prepared therefrom by means of air supplied from an auxiliary air line. The air-fuel mixture thus prepared is passed to the burner nozzle which diffuses it in the combustion chamber. A high performance burner in accordance with the invention is designed for use as a heating device of high performance, like an independent heating device but, advantageously, can be employed as an exhaust gas afterburner, whereby the high performance burner is disposed in an exhaust gas line of a combustion engine, or a branch line thereto.Type: GrantFiled: March 21, 1988Date of Patent: February 12, 1991Assignee: Webasto AG FahrzeugtechnikInventors: Dieter Goerlich, Rainer Kolodzie
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Patent number: 4984332Abstract: Slide shoe for sliding roofs, sliding lifting roofs and the like. The slide shoe has a slide shoe body made of rubber, which can be mounted onto a slide shoe carrier, and which, in an assembled state, is displaceably guided in a longitudinal guideway which is essentially U-shaped in cross section. A slide casing made of synthetic material is placed over the slide shoe carrier, which is made of soft rubber.Type: GrantFiled: May 21, 1990Date of Patent: January 15, 1991Assignee: Webasto AG FahrzeugtechnikInventors: Horst Bienert, Max Bauer
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Patent number: 4978165Abstract: Motor vehicle roof with a roof opening made in a fixed roof skin which can be closed or at least partially opened as desired by a cover. The cover can be pushed out into a raised ventilation position, in which its rear edge is located above the fixed roof skin, by being pivoted around an axis lying at or near its front edge and can, then, be slid rearward above the roof skin into a slid-back position. Additionally, the cover can be pivoted around an axis lying at or near its rear edge into a lowered ventilation position in which the cover front edge is lowered below the roof skin.Type: GrantFiled: January 3, 1990Date of Patent: December 18, 1990Assignee: Webasto AG FahrzeugtechnikInventors: Thomas Schreiter, Arpad Fuerst, Bernhard Wingen
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Patent number: 4969681Abstract: A frame arrangement for a vehicle roof that has a roof opening that is closable by a displaceable cover panel that, along with driving and guiding components thereof, is supported on a frame bounding the roof opening which has only the function of a support, i.e., does not form a necessary part of a fully functional installation unit, comprising a guide insert and a covering. The guide insert and the covering form the tracks for a slidable guide element and the cable guide channels for actuating cables, which interact with an appropriately suitable actuation device for displacing the cover panel. The guide insert can be made of plastic or metal, and the covering is advantageously divided into a front side section and side sections. These sections of the covering can be uniformly produced of plastic or metal or individual sections can be produced of plastic and others, in turn, of metal. Also, the guide insert as well as the covering can be produced entirely of plastic.Type: GrantFiled: February 20, 1990Date of Patent: November 13, 1990Assignee: Webasto AG FahrzeugtechnikInventors: Bernd Schleicher, Alfons Lutz, Hans Jardin, Karl Dworschak, Peter Wolf
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Patent number: 4968090Abstract: A frame arrangement for a vehicle roof of the type having a roof opening which can be closed and selectively at least partially opened by displacement of a cover panel by actuating cables, the cover being guided by guide element tracks on the side parts of a support frame. According to the invention, the frame arrangement is provided with a guide part, which is set on the frame and which contains guide channels for the actuating cables and forms an upper sliding surface of the lateral tracks for the guide element. Advantageously, the guide part is constructed of a U shape that extends over the side parts and the front side of the frame. Preferably, this guide part is produced of plastic, while the frame consists of a sheet metal part.Type: GrantFiled: February 20, 1990Date of Patent: November 6, 1990Assignee: Webasto AG FahrzeugtechnikInventors: Bernd Schleicher, Alfons Lutz, Hans Jardin, Karl Dworschak, Peter Wolf
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Patent number: 4955183Abstract: A burner for difficult to combust gas mixtures, particularly those including exhaust gases of an internal combustion engine, that is preferably intended for the regeneration of particle filter units in the exhaust gas duct of an internal combustion engine, such as a diesel internal combustion engine. For initiating the regeneration of such so-called soot filter units, the burner generates hot combustion gases at the outlet thereof. The burner includes, at a distance from the discharge opening of a fuel injection nozzle, a baffle barrier that extends approximately perpendicular to the center axis of the fuel injection nozzle. This baffle barrier divides the combustion chamber into an energy-rich zone with a gas mixture prepared to be ignitable and a second zone in which the exhaust gas from the internal combustion engine is diverted.Type: GrantFiled: February 15, 1989Date of Patent: September 11, 1990Assignee: Webasto AG FahrzeugtechnikInventors: Rainer Kolodzie, Dieter Goerlich, Roland Fiola
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Patent number: 4945722Abstract: A soot filtering unit in the exhaust gas system of a diesel internal combustion engine that includes at least two parallel soot filters. For regeneration, a regeneration device, having at least one burner and control flap, is provided upstream from the soot filters of the soot filtering unit. The burner(s) provided in the soot filtering unit supplies high temperature gases for the regeneration of the soot filters, and exhaust gas from the exhaust gas pipe is fed thereto as an oxygen carrier for the combustion process. According to a first embodiment, a single burner is provided for all soot filters to be regenerated and the burner does not lie directly in the pipes of the exhaust gas pipe that conveys exhaust gas to the soot filters. Preferably, exhaust gas is supplied to the burner(s) through separate exhaust gas feed pipes but, alternatively, a separate burner can be located directly in each branch of the exhaust pipe upstream of the respective soot filter provided therein.Type: GrantFiled: May 20, 1988Date of Patent: August 7, 1990Assignee: Webasto AG FahrzeugtechnikInventor: Dieter Goerlich
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Patent number: 4946225Abstract: A vehicle roof with a roof opening is provided in a fixed roof area that can be closed by a closure panel, which is slidable on tracks and/or may also be raised at its rearward edge, wherein an actuating device, provided to drive the closure panel, and the tracks for the closure panel are unified into an installation unit attached to the fixed roof area bordering the roof opening. The installation unit can be attached directly to the roof opening by connecting brackets that may be attachment flanges or the like, or by a frame, mounted to or formed by the fixed roof area bordering the perimeter of the roof opening. A water drainage device may be provided that is formed from the fixed interior headliner or may be a separate water-collecting basin carried by the interior headliner. If a slidable interior headliner is provided, the tracks can be formed directly on the fixed interior headliner or may be constructed on the water-collecting basin, if such a basin is provided.Type: GrantFiled: August 15, 1988Date of Patent: August 7, 1990Assignee: Webasto AG FahrzeugtechnikInventor: Hans Jardin
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Patent number: 4944454Abstract: A water type heater, in particular a vehicle auxiliary heater having a temperature safety mechanism, intended to prevent overheating damage to temperature-sensitive parts of the heater, that utilizes a contact sensor that is in heat conducting connection with the heat exchanger. As a heat conducting connection, a direct physical contact between the heat exchanger and a water jacket casing of the heater can be utilized that is, preferably, achieved with the aid of a projection, and optionally, a diametrically opposite projection acting as countersupport. In a modified embodiment, an elastic body that conducts heat well can be placed in a compressed state between the jacket casing and the heat exchanger. The contact sensor then lies against the outer surface of the casing as the temperature safety mechanism. The elastic body that conducts heat well is suitably made in the form of a disk made of a graphite material.Type: GrantFiled: February 22, 1989Date of Patent: July 31, 1990Assignee: Webasto AG FahrzeugtechnikInventors: Friedrich Widemann, Guenter Kahnau, Richard Kohse, Dieter Raethel
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Patent number: 4944153Abstract: A burner for hard-to-ignite mixtures, such as with exhaust gases of an internal combustion engine, in which an ignitable mixture is prepared in a locally limited area for producing an ignition flame that is then used for igniting the hard-to-ignite mixture. According to one embodiment, the burner has an auxiliary ignition burner that is integrated into the actual burner and that is operated with compressed air, which is delivered either by a vehicle compressed air system or by a separately provided air compressor. In an alternative embodiment, air is fed in, additionally, by an air injection device to an outlet area of the fuel nozzle and in the vicinity of the ignition device to prepare an extremely ignitable mixture in this area, which is used to generate an ignition flame. The air injection device can be supplied with compressed air in the same manner as for the auxiliary ignition burner in the first embodiment.Type: GrantFiled: August 23, 1988Date of Patent: July 31, 1990Assignee: Webasto AG FahrzeugtechnikInventors: Dieter Goerlich, Rainer Kolodzie, Rainer Reiter
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Patent number: 4941706Abstract: A vehicle roof that has an aperture in a fixed roof area which can be opened and closed by a closure panel, and in which a fixed interior headliner covers the inside of the fixed vehicle roof, while a slidable interior headliner is provided that covers the underside of the closure panel. The guides for the slidable interior headliner may be provided as a separate part mounted on the fixed interior headliner or may be integrally formed as a portion of the fixed interior headliner. When the vehicle roof has a water drainage device, the guides for the slidable interior headliner can be provided on a water-collecting basin serving as a water drainage device. The guides for the slidable interior headliner function also as a water retaining partition for the water drainage device.Type: GrantFiled: August 15, 1988Date of Patent: July 17, 1990Assignee: Webasto AG FahrzeugtechnikInventor: Hans Jardin
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Patent number: 4940041Abstract: A heater, in particular a vehicle auxiliary heater, of the type which operates with a liquid heat exchange medium and which is tied, for example, into the coolant circuit of a motor vehicle. In this heater, a mounting space for a control device is formed on a jacket-like outer casing, preferably a formation cast integrally as part of the outer casing. In this mounting space, circuit boards and printed circuit cards of the control device and sensor elements are mounted. Heat produced by semiconductor power components of the control device is removed to the surroundings by wall surfaces, in particular side walls, of the mounting space to which they are mounted. An electric connection device is provided that connects the inputs and outputs of the control device to the respective operational parts to be controlled and/or to the vehicle.Type: GrantFiled: March 3, 1989Date of Patent: July 10, 1990Assignee: Webasto AG FahrzeugtechnikInventors: Josef Riedmaier, Friedrich Widemann, Bernhard Schmatelka
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Patent number: 4936093Abstract: A soot-filtering unit for an exhaust section of a diesel internal combustion engine with a supercharging device. The soot-filtering unit has at least on soot filter in an exhaust line and a regeneration device for the soot filter which includes at least one burner. The configuration of the unit connects an air intake of the burner of the regeneration device to the supercharging device so that the burner is supplied with a portion of the air charge from the supercharging device of the diesel internal combustion engine. In this connection, the configuration can be done in such a way that the burner is supplied exclusively with air from the air charge produced by the supercharging device, or so that the burner is supplied with a mixture of air from the air charge and exhaust gas from the exhaust gas line.Type: GrantFiled: August 22, 1988Date of Patent: June 26, 1990Assignee: Webasto AG FahrzeugtechnikInventor: Dieter Goerlich
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Patent number: 4932834Abstract: A ring channel blower in which, in the discharge area of the ring channel blower, a cross piece-shaped interrupter has a discharge side boundary edge that is configured such that between the inner edge of the ring channel and the facing edge of the respective vanes of the impeller as they pass thereover an angle of at least 25.degree. is initially enclosed and this angle increases gradually to 90.degree. when the intersection of the boundary edge and facing impeller vane edge is at the outer edge of the impeller. The discharge side boundary edge incorporates an inner end section that is approximately tangent to the inner edge of the ring channel and an outer end section that is approximately tangent to the outer edge of the impeller, and both of these tangent sections are connected to each other by a circular arc section.Type: GrantFiled: March 3, 1989Date of Patent: June 12, 1990Assignee: Webasto AG FahrzeugtechnikInventors: Ruediger Galtz, Wolfgang Jentzsch
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Patent number: 4932833Abstract: A ring channel blower for combustion air conveyance in heaters, preferably motor vehicle heaters. With this ring channel blower, there is a gradual transition from the pressure area to the discharge opening of a ring channel that is covered at a side of the ring channel proximate an impeller by an upstream extending section of a cross piece-shaped interrupter. Suitably, a sickle-shaped or sail-shaped section covering the ring channel is provided which, starting from the inner edge of the ring channel, approximately at the height of the projection of the discharge opening on the ring channel, uniformly tapers in a direction opposite the compression direction in the ring channel of the ring channel blower and ends in a type of rounded tip on the outer edge of the ring channel of the ring channel blower.Type: GrantFiled: March 3, 1989Date of Patent: June 12, 1990Assignee: Webasto AG FahrzeugtechnikInventors: Peter Wieja, Georg Baechle
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Patent number: 4923033Abstract: A heating device, particularly an automotive heating device, in which a noise muffling device is integrated within the heating device. The muffler can be provided in the combustion pipe defining the combustion chamber, or the combustion pipe, itself, can be designed as the muffler. The muffler operates by absorption and/or reflection sound muffling techniques in accordance with various embodiments, and may, simultaneously, purify the combustion gases, for example, by catalytic afterburning, and/or by filtering of soot particles. The muffler is arranged in a hot zone, but not in the flame area of the combustion chamber, to achieve a self-cleaning action. In other embodiments, noise muffling material is arranged in an exhaust gas collection chamber to achieve sound muffling based on reflection and/or absorption and/or other conventional sound reduction methods. In all cases, the need for an external muffler in the exhaust line from the heating device is eliminated.Type: GrantFiled: April 19, 1988Date of Patent: May 8, 1990Assignee: Webasto AG FahrzeugtechnikInventors: Karl Panick, Friedrich Widemann, Hermann Schoenberger, Johann Sperl, Johann Sondermeier
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Patent number: 4919005Abstract: Device for actuating at least one helically threaded, incompressible drive cable, which is axially movable, having a drive pinion seated on a drive shaft, and a cable guideway for guiding the drive cable in the area of the drive pinion. For the purpose of noise reduction, boundary edges of the cable guideway contacting the drive cable are of a configuration such that they form an angle with the longitudinal axis of the drive cable which deviates from 90 degrees; whereby an acute approach angle enclosed between the boundary edges of the cable guideway and the sections of the turns of the helical thread facing them, is larger than an acute elevation angle which is enclosed between the helical turns and a vertical plane which extends perpendicular to the longitudinal axis of the drive cable.Type: GrantFiled: March 21, 1989Date of Patent: April 24, 1990Assignee: Webasto AG FahrzeugtechnikInventor: Bernd Schleicher