Abstract: Back-air blocking device to ventilate a motor vehicle's inside space, comprising a frame or housing, made of a first plastic, and a valve flap, made of flexible material, connected in one zone to the frame and in other zones resting against a sealing surface of said frame when the said flap is in its rest position, this flap detaching off said sealing surface when subjected to a pressure differential, characterized in that the valve flap is a thin plate made of a closed-pore, foamed material.

Abstract: A premounted unit of a pipe stub and a thermostatic valve, said pipe stub comprising a valve seat mechanically biased by a valve spring against the valve seat and resting at its other end against a mating rest element, further comprising an expansible element which is configured between a segment of the pipe stub and the valve member and which opens the thermostatic valve as a function of temperature against the force of the valve spring, said unit further comprising a U-shaped retention yoke of which the central strip rests against the mating rest element and the legs can be connected to an annular cap element thereby recesses being constituted at mutually opposite sides at the inside of the annular cap element and the legs of the retention yoke being fitted at its ends with outwardly pointing hook elements that engage the recesses.

Abstract: A thermostatic valve comprising a valve head and a flat, annular, elastomeric sealing element at the valve head, a valve spring mechanically biasing the valve member against a valve seat and a temperature-sensitive expansible element the valve member displacing the valve member against the valve spring, characterized by the valve head comprising at its circumference an annular groove, the flat annular sealing element being stamped out of an elastomer which swells in the presence of water, in particular an EPDM material, and exhibiting a thickness which is equal to or slightly less than the width of the annular groove.

Abstract: A fastening device having a fastening element includes a plug-in region and a contact area at a distance therefrom, and a shaft between the plug-in region and the contact area. The plug-in region is axially pressable through a through opening in a wall area in a plugged position of the fastening element, until the contact surface, or an intermediate part situated in between, presses against the wall area from one side and the shaft is radially centered in the through opening. The fastening element is connected to another component. The fastening element is located in its installed position after the fastening element is in its plugged position through the through opening and is then rotated around an axis of its shaft into an installed position delimited by a stop, in which at least one radial projection of the plug-in region engages behind an edge area of the through opening to fix the fastening element in the installed position and thus prevent axial displacement of the shaft out of the through opening.

Abstract: A thermostatted valve used in an internal combustion engine and comprising a housing fitted with at least three ports, namely an engine port to communicate with the engine cooling system, a radiator port to communicate with the radiator, and a bypass port to communicate with a bypass, further comprising a hollow, spherical valve element supported pivotably about a pivot axis within the housing between two end positions, said valve element being fitted with at least two apertures of which one permanently communicates with the engine port and the other is situated in a plane substantially perpendicular to said pivot axis, further comprising a temperature sensor controlled valve element drive, characterized in that the axes of all ports are configured in planes that are approximately perpendicular to the pivot axis of the valve element in that the valve element is approximately a spherical segment or a laminar sphere of which the open side communicates permanently with the engine port, further that the valve ele

Abstract: In a fuel filling assembly to fill diesel fuel into a vehicle tank, having a slotted actuation bush (40), the actuation bush is fitted at its end facing the fuel tank with a drive segment on at least one side of said gap, and the actuation bush is configured in floating manner in a jar-like housing (30). A closure mechanism (50) is mounted at the actuation bush (40) end facing the fuel tank and is designed to constitute, in its closed position, a stop for an inserted fuel pump nozzle. The drive segment of the actuation bush engages the closure mechanism, whereby this closure mechanism is displaced out of the closed into the open position when the diesel fuel pump nozzle expands the actuation bush, the closure mechanism in its closed position closing in approximately sealing manner the passage to said tank.

Abstract: An automobile outer door handle, comprising a lever-shaped handle portion which is manually gripped from the door's outer side and which is fitted with at least one bearing element resting in pivotably manner on a mating bearing element of the door and is coupled by a linkage to a door lock in a manner that, when this lock shall open when the handle portion is pivoted out of a rest position into an open position, an inertial mass being supported in excursion-limited manner in the region of the swivel bearing of the handle portion in a similar direction as the handle portion, said inertial mass locking in one limit position (blocked position) the handle portion into the rest position whereas releasing it in the other limit position (release position) and being moved into the blocked position when a predetermined transverse acceleration acts on the automobile to exert an opening force on the handle portion.

Abstract: A plug to hermetically seal an aperture in a sheetmetal, or in the floor of a vehicle, comprising, a cap covering the aperture and comprising an external, circumferential flange resting on one side of the sheetmetal or of the floor and fitted with a first circumferential seal, an affixation portion entering said aperture and, a second circumferential seal configured at the cap or at the affixation portion and being a distance from the first seal and resting against the sheetmetal or the said floor, a cavity being subtended by the sheetmetal or said floor, the two seals and at least one wall of the plug, where said plug, includes a pressure-compensating chamber, which communicates with the cavity and, which compensates a change in pressure, caused by a change in temperature, inside the cavity, by changing the volume of the pressure-compensating chamber.

Abstract: An automobile hood bumper comprising, a sleeve-like seat (10) fitted with an axial passage (20) and an external thread (22) that can be screwed into a hole of a sheet-like support, an upper segment (12) having a rest head (26) and a shank (24), where a connection member (34) that joins the shank (24) to the seat (10) to release said shank when an axial force acting on the upper segment (12) exceeds a predetermined magnitude, whereby the shank (24) moves into the axial passage (20) until the rest head comes to rest at the associated end of said seat, a deceleration element configured at the outside of the shank (24) and/or in the axial passage (20) to generate a decelerating force by friction and/or by elastic/plastic deformation and to decelerate the penetration of the shank into the axial passage.

Abstract: A filler neck an actuation ring (16) having a slot (18) and an entrance portion which is conically narrowed towards the tank, the most narrow cross-section of the entrance portion being smaller than the diameter of a diesel-nozzle and larger than that of an otto-nozzle the actuation ring (16) has an actuation portion at the end facing the tank at least on one side of the slot a closing mechanism is associated with the end of the actuation ring facing the tank and designed such that in closing position thereof it stops the otto nozzle inserted into the actuation ring and the actuation portion of the actuation ring engages the closing mechanism, whereby the closing mechanism is moved from the closing position into an opened position by the actuation portion if the actuation ring is radially expanded by the diesel-nozzle inserted into the actuation ring.

Abstract: A molded plastic rivet (10) for affixing two parts to each other when said rivet is inserted through two mutually aligned apertures in said parts, said rivet comprising, a pin (14) having a head (38), a shank (36) and first and second latching offsets (40,42) at the distal end of the shank, a rivet body (12) having a head (20), and a shank that is insertable in said apertures and comprises several legs running away from the head of the rivet body, wherein approximately diametrically opposite protrusions (50,52) are configured on the side of the head of the rivet body at regions opposite the shank of the rivet body and are fitted with recesses or apertures (54,56) for receiving the arms of a fork-shaped assembly tool (66).

Abstract: A sleeve for a neck rest with tolerance compensation, includes a sleeve body of plastic material for the accommodation of a rod of the neck rest. The sleeve body includes at least one integrally formed resilient portion which is biased toward or away from the interior of the sleeve body. A wire portion is attached to the sleeve body parallel to the axis of the sleeve body such that the wire portion can be resiliently deflected away from or towards the sleeve body, the wire portion engaging the resilient portion.

Abstract: A valve mounted in a circular aperture in an approximately horizontal automobile body part, comprising a valve body fitted with means that shall be in-stalled in sealing manner in said aperture, further a valve element that in its closed position cooperates in sealing manner with the said valve body and that in its open position allows water draining from top to bottom, characterized in that the valve element is rotationally symmetrical and designed in a manner that it shall float up at a water pressure underneath it and be adjusted thereby into the closed position and in that the valve element comprises a conical segment resting in sealing manner against the edge facing it of the cross-sectionally circular passage of the valve body.

Abstract: A fastener to affix a component in a support fitted with an aperture, comprising an affixation casing of resilient plastic, further a hollow conical shell, and at one end a radial flange that cooperates in sealing manner with the support surface facing it when the affixation casing has been mounted in said aperture, the casing being fitted peripherally with radial bosses, ribs or the like that engage from below the aperture rim when the affixation casing, being temporarily deformed radially at its bosses, ribs or the like is being inserted into said aperture, further comprising a plastic core which is fitted with a head and which can be inserted from the affixation casing's flanged end into the core cavity and which radially expands the casing and prevents it from being removable from the aperture, characterized by at least one radially inwardly pointing boss on the wall of the casing cavity and by the core being fitted at its end with a preferably peripheral groove that is entered by said boss when the core

Abstract: A retainer for a conduit, cable or the like, preferably a fluid conduit in an automobile, includes a retainer body having attaching portions to be mounted to an automobile body part, damping portions for dampening conduit vibrations, an insertion portion that constricts from the outside to the inside, and a receiving portion for the conduit. The retainer body is integrally molded of a plastic material. The receiving portion has three or more engaging portions which are arranged circumferentially of and engage the conduit and which are connected by resilient arms to the retainer body in a manner that, in the event of conduit vibrations, the resilient arms shall yield easily and elastically like leaf springs in all axial and radial directions and shall decouple the vibration-induced forces from the automobile body part.

Abstract: A fastener, for connecting a first component having a first hole to a second component having a second hole, includes a cage which is fitted at its end with a radial flange and further a cross-sectionally rectangular or square shank segment. This shank segment is insertable into the second hole of the second component, for resting against the associated side of the second component. A nut is at least partly axially received in the cage and is rotatable from a first rotational position in the cage into a second rotational position. The nut has an axial borehole to receive an affixation screw and also comprises at its outside the diametrically opposite wing elements, where, upon rotation of the nut from the first into the second rotational position, the wing elements will be pulled on account of the affixation screw's rotation in the nut against the other side of the second component, with a head of the affixation screw resting against the first component and compressing latter against the cage flange.

Abstract: A cooling system for a combustion engine having a cooling passage system in an engine block comprising a main cooler HWK which is arranged in a cycle with the cooling passage system of the combustion engine, a water pump and a first thermostat TH1 in said cycle, a hot water heat exchanger HWT which is connected to the water pump 12 through a bypass and a bypass valve, a second thermostat TH2 in the bypass passage, the opening temperature of the thermostat valve of the second thermostat TH2 is significantly lower than the opening temperature of the thermostat valve of the first thermostat TH1, the thermostats being arranged such that upon closed thermostat valve B of the second thermostat TH2 below its opening temperature a minimum amount of water flows through the cooling passage system through the heat exchanger HWT, upon opened thermostat valve B of the second thermostat TH2 a larger amount of water flows through the cooling passage system from its opening temperature on and upon the opening temperature of

Abstract: Thermostat valve arrangement for the cooling circuit of an internal combustion engine in which a main valve member of a main valve is movably mounted in a housing which may be pressed against a main valve seat by a spring, in which a bypass valve member of a bypass valve is further provided which co-operates with a bypass valve seat in the housing and in which a first section of an expansion element (DWE) co-operates with an abutment fixed to the housing and a second section co-operates with the main valve member and the bypass valve member such that the main valve or bypass valve is selectively closed and/or opened, in order to produce the cooling circuit of the internal combustion engine by means of a radiator or a bypass, the main valve seat being formed by a conical seat surface in the housing, the main valve member forming a valve unit with an axially spaced piston-shaped bypass valve member, which valve unit receives the expansion element in an axial recess in one direction in an axially secure manner,

Abstract: The invention relates to a plastic fuel inlet compartment which can be inserted into an opening in the bodywork of a motor vehicle. The invention is characterized by a two-hole embodiment for bivalent tanking whereby the second through hole can also be selectively covered. A controllable closing device can also be easily inserted in a recess in an outer wall of the housing, thereby enabling the fuel inlet compartment valve to be controlled by a motor and to be manually actuated. The fuel inlet compartment can be inserted into an opening of the bodywork in a self-locking manner.

Abstract: The tank flap of an automobile is locked via a wire spring with which an extension connected to the tank flap will cooperate. A spring-biased locking body keeps the wire spring in the releasing position when the tank flap initially is forced inwards.