Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 8172047 | Compact combination brake cylinder comprising a pneumatic locking mechanism A brake cylinder for pneumatic vehicle brakes, especially for utility vehicles includes a spring brake section for carrying out parking brake actions by way of a brake spring, and a service brake section for carrying out pneumatic service brake actions. The spring b... | 05/08/2012 |
| 8167096 | Electromechanically or pneumatically actuable disc brake, in particular for a commercial vehicle An electromechanically or pneumatically operable disc brake, particularly for a commercial vehicle, includes a brake caliper, which straddles a brake disc, a brake application device arranged in the brake caliper, and at least one electromechanically drivable adjust... | 05/01/2012 |
| 8161821 | Conductor track carrier and method for the production of a conductor track carrier A conductor track carrier, particularly a leadframe that is preferably insert-molded with plastic or a rigid/flexible circuit carrier, includes one or more conductor tracks, which are received and held at least partially by a conductor track carrier component design... | 04/24/2012 |
| 8157073 | Separable clutch for a motor vehicle with automatic wear and temperature adjustment A separable clutch for a motor vehicle has a clutch plate including a moveably mounted release unit. The clutch is pressure-medium actuated and includes an actuating piston acting on the release unit to engage and disengage the clutch, and a pressure chamber which i... | 04/17/2012 |
| 8147215 | Reciprocating-piston compressor having non-contact gap seal A reciprocating-piston compressor having at least two working cylinders arranged in series, along a cylinder axis is described. The compressor includes a piston in each of the cylinders, guided in an axially movable manner, and a common axially actuated piston rod o... | 04/03/2012 |
| 8136639 | Self-energizing disk brake A Self-energizing disk brake having an electric actuator for applying an actuating force is described. The brake has a self-energizing device for boosting the electric actuator, arranged between the actuator and the brake lining, and a brake application unit for app... | 03/20/2012 |
| 8120352 | Device for self-adjusting and method for arranging an impulse transmitter in relation to a rotor An apparatus for self-adjustment of, and a method for disposing, a pulse-type rotation speed transducer in relation to a rotor are described. The pulse-type rotation speed transducer has a cylindrical sensor head and an adapter to a measurement and power supply cabl... | 02/21/2012 |
| 8096395 | Pressure-regulated friction clutch A pressure-regulated friction clutch is provided including a cylinder-piston unit, operated by a pressure medium, which permits a frictional connection of an output shaft with a driven plate fixed thereto and an input shaft with a driving plate fixed thereto, for th... | 01/17/2012 |
| 8079344 | Device for generating compressed air for a vehicle and method for operating a device for generating compressed air A prime mover is provided for a vehicle having a plurality of cylinder chambers, a manifold, and engine brake valves by which the cylinder chambers can be connected to the manifold. A valve or nozzle is disposed on the manifold, by which the manifold can be connecte... | 12/20/2011 |
| 8079283 | Device for activating gearshift forks A selector fork operating device is provided, for the selective operation of at least two selector forks in a gearbox with a blocking device for blocking a selector fork which is not to be operated and with a driver for driving a selector fork for operation in an ax... | 12/20/2011 |
| 8037980 | Brake disc A disc/hub connection for connecting the brake disc with the hub is provided. The brake disc has support elements on the inner peripheral area and the hub has cams. The hub has a pot-like, hollow cylinder section that merges with a disc section that extends outward ... | 10/18/2011 |
| 8037976 | Disc brake, in particular for a utility vehicle A disc brake for a utility vehicle, having a brake caliper which encompasses a brake disc and which is fastened, so as to be axially movable in relation to the brake disc, to a positionally fixed brake carrier by means of two fastening elements, wherein the fastenin... | 10/18/2011 |
| 8037866 | Method and device for controlling a suction pressure of an internal combustion engine A method device for controlling a suction pressure of an internal combustion engine, particularly a diesel engine having an exhaust gas turbocharger. The compressor is connected to a suction line of the internal combustion engine via an actuating section having an a... | 10/18/2011 |
| 8021465 | Compressed air supply device A compressed air supply device for a commercial vehicle is provided. The compressed air supply device includes a valve housing and an air-drying cartridge connected releasably to the valve housing. The valve housing and the air-drying cartridge are connected to each... | 09/20/2011 |
| 8016084 | Brake pad for a disc brake A brake pad for a disc brake, in particular for a commercial vehicle, has a pad retaining spring which is configured as an arcuate leaf spring and is held in a manner which is secured captively and can be deflected radially on a lining carrier plate of a brake pad w... | 09/13/2011 |
| 8008909 | Analysis and compensation circuit for an inductive displacement sensor A circuit arrangement for analysis and compensation of the signals for an inductive displacement sensor is provided. The circuit includes a first operating amplifier, a second operating amplifier and a coil for a displacement measurement, in parallel with the second... | 08/30/2011 |
| 7987953 | Compact combined brake cylinder A brake cylinder for pneumatically actuated vehicle brakes includes a parking brake spring-loaded brake section and a service brake section combined to form a structural unit in a housing. The housing is divided into two chambers by a piston. A cylinder spring of th... | 08/02/2011 |
| 7980366 | Hydraulically actuated multi-piston disc brake A hydraulically actuated disc brake has at least two hydraulic brake pistons acting upon a brake lining, arranged in a brake housing. The hydraulic disc brake includes a hydraulic synchronization device for reducing oblique wear of the brake lining. The hydraulic sy... | 07/19/2011 |
| 7972418 | Compressed air supply device A compressed air supply device for a commercial vehicle is provided. The compressed air supply device includes a valve housing and an essentially axially symmetrical, exchangeable air-drying cartridge which is connected to the valve housing. The valve housing and th... | 07/05/2011 |
| 7967114 | Clamp device A clamp device inserted between two parts can prevent a relative movement between a brake disc and a brake caliper of a vehicle brake. The device includes two plates, with adjustable separation by way of at least two rollers running against each other and rolling on... | 06/28/2011 |
| 7963375 | Pole wheel which can be connected to a wheel hub of a motor vehicle A pole wheel is described, which can be connected to a wheel hub of a motor vehicle. The pole wheel comprises an annular-shaped wheel ring extending in a radial plane, and forming an outer edge comprising a plurality of openings arranged at substantially equal angul... | 06/21/2011 |
| 7963210 | Spring-loaded brake cylinder having locked stop body A spring-loaded brake cylinder for commercial vehicles includes at least one spring-loaded brake piston that can be actuated by a pre-loaded spring and is supported in a housing. A mechanical emergency release device is provided for the emergency release of the spri... | 06/21/2011 |
| 7960861 | Redundant current supply with diagnostic capability and a suppressor A circuit arrangement and method for redundantly supplying current to a downstream load are provided. The circuit arrangement includes a first current path including a first switch element to which a first voltage is applied on the input side, a second current path ... | 06/14/2011 |
| 7958974 | Electromechanically actuable disc brake with actuating plunger A self-boosting electromechanically actuable disc brake, having an application device for applying the brake pad, which application device has a rotary brake lever and a self-boosting device, wherein the rotary brake lever acts on an actuating plunger which acts on ... | 06/14/2011 |
| 7950942 | Secured plug connection and method for its production A plug connection between electrical and/or electronic components, in which electrical plug contacts of a plug which is arranged directly adjacently to one component are inserted into a socket which is arranged directly adjacently to the other component, with the co... | 05/31/2011 |
| 7950502 | Electromechanically actuated disc brake with guide plate A self-boosting electromechanically actuable disc brake is characterized in that a component (pressure piston 9, 10), which is stationary during braking and which is connected to an adjusting device or is part of the adjusting device, of the self-boosting dev... | 05/31/2011 |
| 7950500 | Disc brake, in particular for a utility vehicle A disc brake, in particular, for a commercial vehicle, has a brake caliper which engages over a brake disc, brake linings which make contact with the brake disc in a functional position, and a brake application device with which one of the brake linings can be press... | 05/31/2011 |
| 7946397 | Disc brake with a self-energizing electric motor actuator A disc brake is provided with an actuator acting on a brake application device, which brake application device is used for applying at least one brake pad to a brake disc. The brake application device has a brake-internal hydraulic arrangement and is configured in a... | 05/24/2011 |
| 7946269 | Method and device for increasing the engine brake power of a reciprocating piston internal combustion engine of a vehicle, particularly of a diesel engine A method for increasing an engine brake power of an internal combustion engine, particularly of a diesel engine, having at least one cylinder with a reciprocating piston, at least one inlet valve and one outlet valve, and a turbocharger, in which air is compressed b... | 05/24/2011 |
| 7934492 | Method and device for improving a recirculation of exhaust gas in an internal combustion engine A method and apparatus for improving recirculation of exhaust gas in an internal combustion engine having an exhaust-gas turbocharger, in particular in a diesel engine, determines operation parameters of the engine in order to determine exhaust gas pressures, suppli... | 05/03/2011 |
| 7925409 | Trailer electronic braking system A trailer electronic braking system is provided for a road train having a tractor and a plurality of trailers. The braking system includes a braking ECU on each trailer and a communication interface being provided so that the braking ECU on a first trailer and the b... | 04/12/2011 |
| 7922510 | Electronic module having a prestressed flat plug connection and method for mounting such an electronic module A module, particularly an electronic module of a commercial vehicle, includes at least one plug connection, having a plug element and a mating plug element, by which an electrical connection can be established when plugged together. At least one of the plug elements... | 04/12/2011 |
| 7918322 | System for connecting a brake disc and hub A brake disc/hub connection for connecting a brake disc to a brake disc hub includes supporting elements on the inner circumference of the brake disc. The brake disc hub is provided with bosses or cams on the outer circumference. Intermediate elements, which protrud... | 04/05/2011 |
| 7908055 | Control device for a compressed air system of a vehicle A control device for a compressed air system of a vehicle or for a component of a compressed air system of a vehicle includes at least one processor calculating a prediction of the occurrence and/or duration of overrun condition phases of the vehicle based on altitu... | 03/15/2011 |
| 7896141 | Disc brake with electrically operated adjustment device A disc brake, in particular for commercial vehicles with a pivoting or displaceable brake caliper, an actuation device and at least one adjustment device on both sides of the brake disc is characterized in that the brake caliper comprises bearing housings on the und... | 03/01/2011 |
| 7888817 | Temporary voltage supply A temporary voltage supply for a consumer includes a switching device with an auxiliary power supply; a control device supplied by the auxiliary power supply if an operating power supply fails; and a switching device which is activated by the control device and actu... | 02/15/2011 |
| 7886532 | Compressed air supply device for a utility vehicle A compressed air supply device is provided for a utility vehicle, having a compressor which can be driven by a drive via a pneumatically switchable clutch, and a valve which can be activated by an electrical signal in order to optionally feed compressed air to a swi... | 02/15/2011 |
| 7845474 | Combined service brake and spring type brake cylinder having internal ventilation A combined service brake and spring brake cylinder has a diaphragm arranged in a housing of the service brake cylinder. At one side, the diaphragm delimits a service brake chamber acted on with a service brake pressure, and at the other side delimits a chamber accom... | 12/07/2010 |
| 7866765 | Spring brake accumulator cylinder For the assembly of a spring-type brake cylinder, a rear cylinder is provided with a preloaded spring, with a rear piston and with an intermediate flange. Then, a front cylinder, in which a front piston with an actuating rod for a brake element of the braking system... | 01/11/2011 |
| 7866447 | Disk brake, especially with an electromotive adjusting device, and method for controlling said type of disk brake An electro mechanical or pneumatically actuated disk brake, in particular for a utility vehicle, includes a brake caliper or saddle and a brake disk. The brake saddle overlaps the brake disk at least in sections of the outer periphery thereof. The disk brake also in... | 01/11/2011 |
