Patents Assigned to Robert
  • Fuel injection pump for internal combustion engines including onset of supply control means
    Patent number: 4842496
    Abstract: It is proposed that a drive tappet of a pump piston be provided with an integrated hydraulic supply onset adjusting device. This device includes an adjusting piston, which is guided in a work cylinder and is joined to the piston base of the pump piston, and a pressure chamber. The delivery of the control fluid pumped into the pressure chamber is effected via a delivery conduit discharging into the cylinder bore and a connecting conduit extending inside the pump piston and leading to the pressure chamber. By means of the control point located at the discharge point of the delivery conduit, relatively high control pressures can be fed into the system without relatively large leakage losses. The apparatus is usable in all piston-type supply pumps in which a control face on the pump piston, in cooperation with the control opening in the cylinder bore, determines the onset of supply.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: June 27, 1989
    Assignee: Robert Bosch GmbH
    Inventor: Walter Hafele
  • Vehicle brake system having an anti-skid apparatus
    Patent number: 4840434
    Abstract: The proposed vehicle brake system includes a brake fluid pressure device embodied as a brake booster, front wheel brakes rear wheel brakes and an anti-skid apparatus having valves for maintaining, reducing and increasing brake pressure. One of the brake pressure maintenance valves is associated with the rear wheel brakes and is further developed into a valve combination, which additionally includes a brake pressure regulating valve. The valve combination includes only one valve seat and one valve element, which serves both for keeping braking pressure constant in the anti-skid situation and to limit the rear wheel braking pressures during braking. The valve element is controlled on one side by a control piston acted upon by brake pressure and on the other by an electromagnet.
    Type: Grant
    Filed: July 1, 1985
    Date of Patent: June 20, 1989
    Assignee: Robert Bosch GmbH
    Inventor: Heinz Leiber
  • Device for actuating a throttle valve
    Patent number: 4840349
    Abstract: A device that serves to actuate a throttle valve. The actuating device includes an electric drive motor and a step-down gear driven by the motor; an output shaft of the step-down gear is operatively connected to a throttle valve shaft which controls the throttle valve. The actuating device is compact in structure as well as versatile in use, even with various sizes of throttle valve, the step-down gear is embodied as a planetary gear having its output shaft provided with a gear wheel, which is operatively connected via a toothed belt with a second gear wheel, disposed on the throttle valve shaft. The motor is controlled by a control means assembled in the same housing as the motor and the throttle valve.
    Type: Grant
    Filed: November 15, 1988
    Date of Patent: June 20, 1989
    Assignee: Robert Bosch GmbH
    Inventors: Cornelius Peter, Uwe Schaper, Lothar Schmidt
  • Artificial hip joint socket with hydraulic head support
    Patent number: 4840631
    Abstract: A liquid chamber (3) arranged in the bottom of the socket cavity (2) is latitudinally sealed by the engaging ball head (4) of the femoral prosthesis shaft. The ball head (4) of the hip joint prosthesis is supported hydrostatically by the liquid chamber (3) filled with synovia and sealed by the ball head following a deformation of the elastic sealing edge (5). By means of the hydrostatic support, the friction moment increases only a little when the load becomes higher and approaches a constant value which is considerably lower than in conventional hip joint sockets.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: June 20, 1989
    Assignee: Robert Mathys Co.
    Inventor: Robert Mathys
  • Fuel injection pump for internal combustion engines
    Patent number: 4840161
    Abstract: A fuel injection pump for internal combustion engines, in particular having a plurality of linearly aligned pump elements, the pump injection onset is determined by one control slide per pump element in which the control slide is axially displaceable on the pump plunger and by a control of relief conduits of the pump work chambers. The control slide is actuated via a torque shaft in that a respective adjusting bolt of a straddling element joined to the torque shaft engages a cross groove of the control slide. The adjusting bolt has a cylindrical stud portion and a slide shoe supported thereon, and the slide shoe is secured against axial displacement by means of a head of the adjusting bolt.
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: June 20, 1989
    Assignee: Robert Bosch GmbH
    Inventors: Wolfgang Eckell, Josef Guentert, Walter Haefele, Manfred Kraemer, Uwe Kuhn, Johann Warga
  • Computer architecture providing programmable degrees of an almost condition
    Patent number: 4841473
    Abstract: This invention features a new computer system architecture comprising a variable comparison of input data with programmable Template data. The system has the capability to provide an "almost" condition, which is a similarity match between a near or close actual data and the "exact" data stored in template memory. Different degree levels of "almost" are possible with the inventive system.
    Type: Grant
    Filed: December 19, 1986
    Date of Patent: June 20, 1989
    Assignee: Robert S. Salzman
    Inventor: Albert D. DePaul
  • Fuel injection pump
    Patent number: 4840155
    Abstract: A fuel injection pump, capable of providing a preliminary fuel injection and a main fuel injection, includes a pump piston movable in a housing to define a pump working chamber which is connected with a fuel injection valve during the pumping stroke of the piston. The working chamber is relieved by the valve-closing member of the pressure valve. A magnetic valve which controls the function of the pressure-closing member is provided in the pump. An opening pressure of the pressure valve is greater than that of the fuel injection valve so that the preliminary injection is obtained with the initially open magnetic valve whereas the duration of the main fuel injection is controlled by the closed magnetic valve.
    Type: Grant
    Filed: April 27, 1988
    Date of Patent: June 20, 1989
    Assignee: Robert Bosch GmbH
    Inventor: Anton Karle
  • Fuel injection pump
    Patent number: 4840162
    Abstract: In a fuel injection pump for internal combustion engines having at least one pump piston defining a pump work chamber and set into reciprocating motion by a cam drive for executing an intake stroke and a supply stroke, and having an electrical switching valve controlling the duration of supply and disposed in a relief line leading from the pump work chamber to a pump interior, a non-return valve having an opening direction toward the pump work chamber is disposed in a fuel inflow line connecting the pump interior with the pump work chamber in order to attain an emergency stoppage of the engine in the event the switching valve malfunctions. The valve element of the non-return valve is acted upon on one side by a valve closing spring and on the other by a fuel-filled control chamber, with which the valve element is locked in its closing position during the closed position of the switching valve.
    Type: Grant
    Filed: May 10, 1988
    Date of Patent: June 20, 1989
    Assignee: Robert Bosch GmbH
    Inventor: Andre Brunel
  • Vasometric test apparatus for finger testing
    Patent number: 4838277
    Abstract: To permit loose and relaxed position of the hand of a patient over a vasometric apparatus, the apparatus is formed in the shape of a hollow domed housing within which a volume pulse sensor (30) is located, retained with resiliently adjustable bias force such that the sensing surface (33) of the volume pulse sensor extends just slightly above the outer surface of the domed housing. The spring force with which the sensor engages a finger (45) of the patient is adjustable by an externally adjustable disk or wheel (37).
    Type: Grant
    Filed: May 16, 1988
    Date of Patent: June 13, 1989
    Assignee: Robert Bosch GmbH
    Inventors: Karl-Heinz Affeldt, Ulrich Hantel
  • Device for delivering washing liquid to two spaced spraying nozzles for moistening a windshield of a motor vehicle
    Patent number: 4838488
    Abstract: A device for delivering washing liquid to two spraying nozzles spaced from each other at two areas of a pane being washed or two panes being washed comprises a pump with a rotor driven in two opposite directions and a delivery unit connected to the pump and having two pressure chambers with two outlets connected to the respective nozzles and each alternatively receiving the liquid from the pump. A limiter which separates the chambers from each other has two portions movable under pressure and each provided with a sealing diaphragm which closes the respective outlet. Two diaphragms can close both outlets when the pump is in non-operative position.
    Type: Grant
    Filed: February 2, 1988
    Date of Patent: June 13, 1989
    Assignee: Robert Bosch GmbH
    Inventors: Christoph Heier, Gerd Lentz, Rainer Ritter
  • Method and system for testing internal combustion engine computerized control units
    Patent number: 4839812
    Abstract: A control unit installed in a vehicle, particularly a control unit to control an internal combustion engine (ICE) thereof, has within its already present computation stage, a program store or program memory (PS, 2b') which stores a test program (TP) therein. The program store (PS) also includes an operating program memory (OP) used to control operation of the vehicle and/or the ICE thereof. The test apparatus includes a test computer and comparator (1) and a simulation and measuring unit which applies simulated input signals to the vehicular control unit, for example sequentially and only to single inputs thereof. The test program within the vehicular control unit is then run under control of the test computer and forwards the data referring to the applied signals via the serial interface 5 to the test computer 1 for evaluation.
    Type: Grant
    Filed: September 16, 1987
    Date of Patent: June 13, 1989
    Assignee: Robert Bosch GmbH
    Inventors: Claus-Dieter Nusser, Johannes Locher
  • Fuel injection pump for an internal combustion engine
    Patent number: 4836170
    Abstract: A fuel injection pump for internal combustion engines, having a plurality of in-line pump elements in which the supply onset is effected by means of control slides, one of which is axially displaceable on each of the pump pistons and by controlling relief conduits of the pump work chambers. The control slides are actuated via a torque shaft in that via driver tangs which are secured to the torque shaft by fastening parts screwed to the torque shaft, the control slides are axially displaced upon rotation of the torque shaft. For adjusting the stroke or axial position of the individual control slides to one another, spacer means, in particular shims are provided between the fastening part and the torque shaft in the stroke direction of the control slides.
    Type: Grant
    Filed: October 14, 1987
    Date of Patent: June 6, 1989
    Assignee: Robert Bosch GmbH
    Inventor: Walter Hafele
  • Forming apparatus having catalyst introduction simultaneous with sand injection
    Patent number: 4836269
    Abstract: An apparatus and method for simultaneously injecting forming material (14) and a curing additive into a form (22). The apparatus (10) includes a container (12) of forming material (14) interconnected by a conduit (20) to a forming cavity (22). Forming material (14) is discharged into cavity (22) through conduit (20). An integrally formed chamber (36) is provided for simultaneously supplying additive to the discharging forming material (14). Forming material (14) is forced into cavity (22) while simultaneously forcing the additive into the path of the discharging forming material (14).
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: June 6, 1989
    Assignee: Roberts Corporation
    Inventors: Kenneth E. Bellis, Jackson E. Brown, Pheroze J. Nagarwalla, James Rea
  • Device for measuring the distances and directions of destinations on road maps
    Patent number: 4835870
    Abstract: A device for measuring the distance and direction of destinations on road maps from a starting point is suggested which serves for the data input of intermediate destinations in navigation devices. The device comprises an angle measuring plate (10) with a 360-degree scale (13) which is arranged concentrically relative to a central borehole (14) and which begins with the north direction. A bracket (11) is supported at the central borehole (14) so as to be rotatable and carries a measuring tape case (12) at its end area (11b) and a guide (20) for a measuring tape (19) at its opposite end area (11c), the measuring tape (19) being arranged in such a way that, when drawn out of the measuring tape case (12), the measuring tape (19) extends away radially in an outward direction with its one lateral edge over the center of the degree scale (13).
    Type: Grant
    Filed: May 5, 1987
    Date of Patent: June 6, 1989
    Assignee: Robert Bosch GmbH
    Inventors: Hans Rauch, Eva Osterkamp, Norbert Stepper
  • Hydraulic electromagnetically actuated slide valve
    Patent number: 4836248
    Abstract: A hydraulic slide valve with electromagnetic actuation is proposed, the magnet armature of which is embodied by a hollow-cylindrical tube element. The lower bearing location of the magnet armature is provided by the slide of the hydraulic valve, which with a corresponding step engages the inner bore of the armature; the upper bearing location is embodied by a slide element attached to a stationary cover plate.
    Type: Grant
    Filed: September 22, 1982
    Date of Patent: June 6, 1989
    Assignee: Robert Bosch GmbH
    Inventor: Alwin Stegmeier
  • Arrangement for controlling the metering of fuel to an internal combustion engine
    Patent number: 4836166
    Abstract: An arrangement is disclosed for controlling the metering of fuel to an internal combustion engine. The control can be open-loop and/or closed-loop and the amount of fuel metered to the engine is limited by means of a full-load limiter dependent on at least the rotational speed of the engine. The arrangement further includes a substitute full-load limiter for limiting the amount of fuel metered to the engine. It is particularly advantageous for the substitute full-load limiter to operate in dependence on the engine temperature and/or the fuel temperature, with a linear function of these parameters representing a further embodiment of the invention. Block diagrams of the arrangement of the invention and characteristic fields explain its mode of operation.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: June 6, 1989
    Assignee: Robert Bosch GmbH
    Inventor: Jurgen Wietelmann
  • Unitary valve filter combustion
    Patent number: 4836238
    Abstract: A easily manufactured unitary valve and filter assembly of compact design allows replacement of the installed particulate filter without requiring difficult dissasembly. A cylindrical mesh filter is contained in a capped receptacle in the assembly and is accessible by removal of the cap. The shut off valve is operable to stop fluid flow while the filter is withdrawn from its receptacle in the assembly to be cleaned or replaced.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: June 6, 1989
    Assignee: Robert Manufacturing Co.
    Inventors: William L. Wright, Benjamin D. Mendoza
  • Electric shaver
    Patent number: 4835861
    Abstract: An electric shaver wherein the motor housing carries a separable frame for confinement of the cutter and the frame carries a separable casing for an apertured foil which overlies the cutter in assembled condition of the shaver. The frame has a window which is adjacent one side of the cutter and serves for insertion of the casing so that the latter can be attached to or detached form the frame only when the frame is separated from the motor housing. The coupling between the frame and the casing has complementary male and female coupling elements which are designed to confine the casing to movements at right angles to the longitudinal direction of the motor housing. The latter carries a reciprocable slide for a trimmer which can be moved to several positions with reference to the apex of the foil but remains in the general plane of the slide.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: June 6, 1989
    Assignee: Robert Krups Stiftung & Co. KG
    Inventor: Gotthard Mahlich
  • Combined toothbrush and packaging closure
    Patent number: D301400
    Type: Grant
    Filed: March 12, 1987
    Date of Patent: June 6, 1989
    Assignee: Robert W. Berendsen
    Inventors: Robert W. Berendsen, David Skrewlowski
  • Combined toothbrush and toothpaste dispensing unit and packaging closure
    Patent number: D301401
    Type: Grant
    Filed: March 12, 1987
    Date of Patent: June 6, 1989
    Assignee: Robert W. Berendsen
    Inventors: Robert W. Berendsen, David Skrewlowski