Patents Represented by Attorney Edwin E. Greigg
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Patent number: 4971400Abstract: A system for traction control (ASR) and an aid for initiating movement on an incline for spinning wheels in an anti-skid brake system (ABS) having ABS multi-positional control valves between the wheel brake cylinders and the master brake cylinder. The system includes a tank chamber for receiving a volume of pressure fluid, and a recirculating pump for pumping fluid during a traction control. The driver first actuates the brake to stop the vehicle, then by switch actuation, triggers an ASR reversing valve that interrupts fluid communication with a master brake cylinder, whereupon on starting movement, the ABS control valves are triggered to relieve the brake pressure into the tank chamber and then, if a wheel is spinning, the recirculating pump for generating brake pressure and the ABS control valve acted upon it for ASR brake pressure modulation are selectively triggered.Type: GrantFiled: July 14, 1989Date of Patent: November 20, 1990Assignee: Robert Bosch GmbHInventor: Wolf-Dieter Jonner
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Patent number: 4969791Abstract: The apparatus has a frame formed with vertical and horizontal supports to which are assembled a plurality of parallel spaced shelves. A horizontal load girder is vertically movable along vertical supports with load pickup oriented toward the shelf arrangement. The frame is movable toward and away from a storage shelf arrangement while the load pickup maintaining its vertical position; to this end, the frame has deflection wheels, substantially at its upper and lower corners, for a tensioning arrangement extended in a FIG. 8 in the vertical direction; with their upper and lower ends, the tension means are attached in stationary fashion, likewise in a FIG. 8, either to the shelf arrangement or to a point corresponding to the maximum distance of the frame from the shelf arrangement.Type: GrantFiled: August 11, 1989Date of Patent: November 13, 1990Assignee: STOPA Stahlbau GmbH & Co.Inventor: Paul Stolzer
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Patent number: 4968173Abstract: A universal joint includes a first shaft member having a cylindrical portion, a pair of yoke portions at a free end thereof and a ball-like portion formed between the yoke portions and a second shaft member having a cylindrical portion and a pair of yoke portions at a free end thereof. The ball-like portion is formed integrally and inseparably with the yoke portions of the first shaft member. The first and second shaft members are thus detachably and movably connected with each other through engagement between the ball-like portion of the former and the yoke portions of the latter.Type: GrantFiled: March 9, 1990Date of Patent: November 6, 1990Inventor: Toshiharu Fujita
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Patent number: 4967643Abstract: In a brake booster, a master brake cylinder is connected to a brake pedal via a piston rod, which acts upon a master cylinder piston by way of which at least one brake chamber can be put at brake pressure. In this way, servo fluid flows via brake lines to corresponding wheel brake cylinder is a servo chamber, which via a control element communicates with a device for supplying servo fluid to the servo chamber. This control element is controlled via a travel transducer that detects the motion of the piston rod. A lever arrangement is also connected to the piston rod, and on its other end is operatively connected to the travel transducer, which triggers the control element via an electronic unit to maintain the servo pressure.Type: GrantFiled: October 20, 1989Date of Patent: November 6, 1990Assignee: Robert Bosch GmbHInventor: Heinz Siegel
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Patent number: 4967966Abstract: An electromagnetically actuatable valve having a connection fitting serving as a core and on which a magnet coil is disposed, is produced with a non-bulky valve housing of ferromagnetic metal. This valve housing is simple to manufacture with a reduced external valve size. The valve is provided with a plastic sheathing that surrounds not only a connection fitting but also a magnet coil and at least in the region surrounding the magnet coil includes a ferromagnetic element that conducts magnetic field lines. These ferromagnetic elements are embodied by conducting elements and optionally by fillers having ferromagnetic properties, which at least partly surround the magnet coil in the circumferential direction. This embodiment of the valve is suitable for all types of electromagnetically actuatable components.Type: GrantFiled: May 22, 1989Date of Patent: November 6, 1990Assignee: Robert Bosch GmbHInventors: Rudolf Babitzka, Ferdinand Reiter, Max Greiner
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Patent number: 4966036Abstract: In air flow rate meters having a substrate body that protrudes into the air intake tube of an internal combustion engine and has openings in which hot wires are deployed over support points, the problem arises of reducing the heat losses caused by the support points. By disposing a frame body (4) on the substrate body (1) and embedding the connection wires (23, 42) and the linking wire (32), all of which have a very small cross section and serve to electrically connect the hot wires (28, 36), the heat losses to the support points (26, 30, 34, 38) can be reduced. The air flow rate meter is suitable for measuring the mass of aspirated air in internal combustion engines.Type: GrantFiled: December 29, 1989Date of Patent: October 30, 1990Assignee: Robert Bosch GmbHInventor: Juergen Woersinger
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Patent number: 4966240Abstract: A bulldozer apparatus for a working vehicle comprising a vertically pivotable arm assembly, and a blade pivotable on a fore and aft axis extending along a center position of the vehicle. Two hydraulic cylinders are disposed at opposite sides of the fore and aft axis for causing pivotal movement of the blade such that the blade is pivotable in opposite directions with extensions of the hydraulic cylinders. Two engaging devices extend substantially longitudinally of the vehicle at opposite positions across the fore and aft axis and interconnect the blade and the arm assembly for relative pivotal movement.Type: GrantFiled: November 23, 1988Date of Patent: October 30, 1990Assignee: Kubota, Ltd.Inventor: Norihiro Aikawa
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Patent number: 4964742Abstract: A ball bearing formed with an outer ring including (i) an inner cylindrical body made of a steel sheet of which one peripheral edge is bent to form a first flange and (ii) an outer cylindrical body of which one peripheral edge is bent to form a second flange and which is fitted to the inner cylindrical body. An inner ring made of any suitable material is provided on its outer circumferential surface thereof with a raceway groove. The inner ring has a shaft hole of any suitable configuration according to a section configuration of a shaft to be inserted into the shaft hole.Type: GrantFiled: August 24, 1989Date of Patent: October 23, 1990Assignee: Koyo Seiko Co., Ltd.Inventors: Akinobu Kagawa, Teruichi Inoue, Masaru Kametani, Koji Nakamura
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Patent number: 4964262Abstract: A capsule filling and capping machine including a testing apparatus for ascertaining the presence of capsule pieces (bottom and cap) in the conveyor apparatus. The conveyor apparatus includes receptacles into which the capsules are tightly inserted. A test head, with chambers disposed in it that communicate with a source of negative pressure or overpressure, respectively, via a throttle is brought into contact with the receptacles, and the pressure of the chambers is monitored by pressure sensors. The output of piezorestrictive pressure sensors is evaluated electronically and processed further into signals to prevent capsules from being filled, to reject defective capsules, or to stop the machine if there is a problem related to one of the capsules.Type: GrantFiled: August 11, 1989Date of Patent: October 23, 1990Assignee: Robert Bosch GmbHInventors: Theodor Moser, Eberhard Krieger
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Patent number: 4964569Abstract: An air spray system including an air spray device including an oil-less piston type air compressor for heating an air output of the compressor, an air supply line, an air return line, an air spray device and control valves which can be adjusted to supply a proper amount of air to the spray device. The air supply and air return lines are insulated in a flexible type insulation so that the air flow in the supply and return lines will remain warm to prevent any formation of condensation.Type: GrantFiled: January 23, 1989Date of Patent: October 23, 1990Assignee: SPR International, Inc.Inventor: Clarence L. Stevens
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Patent number: 4964389Abstract: A fuel injection device for internal combustion engines having externally supplied ignition, which enables introducing fuel injection quantities into combustion chambers in a manner that is controlled precisely in terms of quantity and of the instant of injection. The fuel injection device includes a first magnet valve by which fuel at injection pressure is pre-stored in a reservoir chamber, and the pre-stored quantity is ascertained by measurement of the deflection stroke of a reservoir piston which defines the reservoir chamber. Once the pre-storing process is complete, the pre-stored fuel quantity is then delivered to the injection valve with the air of a second magnetic valve. All that the fuel injection pump needs besides the two magnet valves and a control unit is a pre-feed pump, which pumps fuel into a high-pressure reservoir, so that while making limited demands on the pump generating the high pressure, a simple and very precisely functioning fuel injection device is created.Type: GrantFiled: October 20, 1989Date of Patent: October 23, 1990Assignee: Robert Bosch GmbHInventor: Konrad Eckert
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Patent number: 4965813Abstract: A combustion aiding apparatus for a steel-making electric-arc-furnace characterized by installing a combustion aiding burner on a balcony having an inspection-and-working opening through which to drop tapping hole filling-agent and also by making the nozzle of said combustion aiding burner freely inserted into and withdrawn from a furnace through the inspection-and-working opening, in a conventional combustion aiding apparatus for a steel-making electric-arc-furnace of eccentric bottom tapping type.Type: GrantFiled: September 18, 1989Date of Patent: October 23, 1990Assignee: Nikko Industry Co., Ltd.Inventor: Eiji Udo
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Patent number: 4964789Abstract: A fuel injection pump for internal combustion engines has a pump piston that is axially and rotationally movable in a cylinder and has a control edge and a diversion edge that defines a recess in the jacket face of the pump piston. To limit and adjust the effective supply stroke, the control edge and the diversion edge cooperate with a control opening in the cylinder, which opening communicates with a fuel-filled low-pressure chamber. To prevent cavitation damage during the diversion process, a pre-diversion groove, which extends approximately parallel to the diversion edge, is provided in the portion of the jacket face of the pump piston defined by the control edge and the diversion edge. It is disposed at a distance from the diversion edge such that immediately before the entry of the diversion edge into the control opening, representing the onset of diversion, it connects the pump work chamber, which is at high pressure, to the control opening.Type: GrantFiled: January 27, 1989Date of Patent: October 23, 1990Assignee: Robert Bosch GmbHInventors: Hans Schueler, Heinz Lauterbach, Helmut Tschoeke, Richard Kinzel, Theodor Stipek
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Patent number: 4960403Abstract: A drive chain for use in a bicycle having a change-speed apparatus for example. In order to improve the engageability of the chain both in the chain running direction and in the chain deflecting direction for a change speed operation, the chain is constructed generally as a offset type having a series of alternately interconnected first plates and second plates. The improvement in the engageability in the two directions is provided by forming a middle portion of each first plate to be flush with or extend outwardly relative to a wide first connecting portion and also by forming a middle portion of each second plate to extend outwardly relative to the first connecting portion.Type: GrantFiled: July 28, 1989Date of Patent: October 2, 1990Assignee: Shimano Industrial Co., Ltd.Inventor: Masashi Nagano
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Patent number: 4957418Abstract: An injection pump for internal combustion engines having a pump piston and a pump piston bushing, to which a suction chamber is connected, the connection of the suction chamber to the work chamber of the pump is overtaken by the pump piston upon supply onset, and in which a diversion of the pump pressure at the end of supply is effected by re-opening the communication with the suction chamber. At least one separate diversion chamber, defined by a pressure maintenance valve and a throttle is connected to the work chamber via a connection that is likewise openable and closable upon the compression stroke; this connection to the work chamber is opened earlier, at the end of pump supply, than a further connection to the suction chamber.Type: GrantFiled: March 29, 1989Date of Patent: September 18, 1990Assignee: Robert Bosch GmbHInventors: Anton Pischinger, Theodor Stipek
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Patent number: 4955849Abstract: A front derailleur for use in a bicycle. The front derailleur provides a plurality of speeds through selective engagement of a driving chain with any one of at least three sprockets by applying a control force to a portion of a link mechanism urged by an urging member thereby moving a chain guide connected with the link mechanism against the urging force of the urging member. The link mechanism is operable to move the chain guide while varying its posture so as to provide an increased pivot amount between the sprocket pair adjacent the urging side whereas to provide a reduced pivot amount between the sprocket pair distant from the urging side, in comparison with the conventional mechanism of this type. This novel construction permits sufficient urging force at the middle sprocket position in accordance with increase in the deformation amount of the urging member, thereby to provide a reliable change speed operation by the sufficient urging force.Type: GrantFiled: June 28, 1989Date of Patent: September 11, 1990Assignee: Shimano Industrial Co., Ltd.Inventor: Masashi Nagano
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Patent number: 4951372Abstract: A fuel injection valve and a method for adjusting its fuel quantity are proposed. The fuel injection valve is used to inject fuel into the intake system of a mixture-compressing internal combustion engine having externally supplied ignition. It has a valve needle, which when a magnetic coil is excited is attracted toward a core by an armature connected to the valve needle, whereupon the valve needle with a sealing seat formed on it, lifts away from a valve seat face embodied on a nozzle body. According to the invention, the nozzle body is closed off by a bottom embodied in the form of a small plate, which is part of the nozzle body and in which a plurality of calibrated injection ports are located. The closure of the valve needle is embodied by a tang, which extends as far as the immediate vicinity of the bottom. The injection ports are produced by erosion thereof, while their calibration for the sake of static fuel quantity adaptation is performed by hydraulic grinding with a flowable grinding medium.Type: GrantFiled: December 14, 1989Date of Patent: August 28, 1990Assignee: Robert Bosch GmbHInventor: Anton Messingschlager
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Patent number: 4951631Abstract: In a fuel injection device for internal combustion engines, having a pump plunger driven via a drive cam and a pressure chamber disconnected from a pump chamber by an intermediate plunger that upon its working stroke always assumes the end positions, a pressure line that leads from the pressure chamber to an injection nozzle. A control valve in a supply line for low-pressure fuel metering, the supply line is connected, under the control of the pump plunger with the pressure chamber via a filling line during a first intake stroke segment, for an injection quantity metering that is also angle controlled, and toward the end of the intake stroke of the pump plunger, the supply line is connected to the pump chamber for a time-controlled metering that determines the injection onset.Type: GrantFiled: April 19, 1989Date of Patent: August 28, 1990Assignee: Robert Bosch GmbHInventor: Konrad Eckert
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Patent number: 4951626Abstract: An electrically controlled fuel injection pump for internal combustion engines, in particular for direct fuel injection in engines having externally supplied ignition contains a plurality of pump pistons driven by a single common cam. The pumping quantity of fuel is delivered by pumping pistons is controlled via a rotary slide valve to the injection nozzles at the injection sites of the engine, wherein the quantity control is effected by an electrically controlled valve. An axial conduit of the rotary slide which discharges into control bores or control grooves distributed over the circumference of the rotary slide and cooperates with the pump work chamber and the pressure lines to the injection sites and is adjoined by at least one further control bore or control groove which communicates with a pressure reservoir. By this means, a preinjection, separate from a main injection, is made possible at the top dead center charge change.Type: GrantFiled: October 18, 1989Date of Patent: August 28, 1990Assignee: Robert Bosch GmbHInventors: Gottlob Haag, Ernst Linder, Helmut Rembold
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Patent number: 4951772Abstract: An apparatus which serves to actuate the throttle valve of an internal combustion engine of a motor vehicle. The actuating device includes a reversible electric drive motor, the output shaft of which is operatively connected to the throttle valve, which is pivotable via a throttle valve shaft. The set-point pivoted position of the throttle valve can be predetermined by means of a gas pedal. A simple, economical design of such an actuating device is attained by coupling the throttle valve to a stop such that they rotate together; associated with the stop is a counterpart stop that is spring-loaded in the closing direction of the throttle valve by a restoring spring. The counterpart stop is coupled with the gas pedal in such a way that it is moved by the drive lever counter to the force of the restoring spring.Type: GrantFiled: November 10, 1988Date of Patent: August 28, 1990Assignee: Robert Bosch GmbHInventors: Cornelius Peter, Eckhard Ursel, Uwe Schaper