Patents Represented by Attorney Edwin E. Greigg
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Patent number: 5108160Abstract: In a hydraulic brake system for feedback-free ABS control for mobile units, motor vehicles, motorcycles and the like, it is proposed that partial hydraulic units be provided in accordance with the number of desired closed and optionally also open brake circuits, and that the actuating piston of each shutoff valve provided in each partial hydraulic unit and interrupting the communication between the master brake cylinder and the associated wheel brake cylinder and simultaneously opening the communication between the wheel brake cylinder and a plunger-piston, with a pressure equalization face, which is acted upon in parallel with the pressure from the master brake cylinder line. As a result, given suitable embodiment and adaptation of the remaining pressure faces of the actuating piston, a pressure equilibrium is obtained in the sense of compensation for the working pressures exerted.Type: GrantFiled: June 29, 1990Date of Patent: April 28, 1992Assignee: Robert Bosch GmbHInventors: Norbert Alaze, Johannes-Gerhard Bertling
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Patent number: 5103787Abstract: A positioning apparatus including a positioner, a restoring suspension means, a servo drive and an actuator, the position of which determines the power of a driving engine. The restoring suspension means assures that the actuator is always in a precisely definable position regardless of any other spring. The restoring suspension means may include a plurality of integrally cohering restoring springs. Satisfactory operation of the apparatus is assured even if one of the restoring springs should fail. The servo drive is embodied such that in the event of an electrical defect the engine operates at an intended speed (rpm). The apparatus is particularly suitable for motor vehicles in which the engine rpm is to be regulated precisely in idling via a throttle valve.Type: GrantFiled: February 27, 1991Date of Patent: April 14, 1992Assignee: Robert Bosch GmbHInventors: Helmut Bassler, Heinz Ehrentraut, Friedrich Haerterich, Helmut Bassler, Heinz Ehrentraut
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Patent number: 5104365Abstract: Computer controlled method and apparatus for paper sheet bending in a bag making machine for making hand bags, pocketbooks, vanity cases, etc. Two computers are used to store the information needed to allow the machine to make bags of various types and sizes from paper of various qualities and thicknesses. Data concerning the bag itself is stored in the memory of a first computer while data concerning the properties of the paper to be used is stored in the second computer. Both types of data are needed to precisely and automatically position the guide plates for properly locating the desired bends in the paper. The bag type and paper type can be changed quickly with little loss in production time.Type: GrantFiled: September 28, 1990Date of Patent: April 14, 1992Inventors: Tomio Sone, Masanori Sone
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Patent number: 5102205Abstract: A hydraulic dual-circuit brake system with anti-skid braking (ABS) and traction control (ASR) for motor vehicles having control valve assemblies, each control valve assigned to one wheel brake cylinder of a vehicle wheel for feeding a wheel-slip-dependent brake pressure, and includes one return pump with two separate pump elements for each brake circuit. For supplying brake pressure in traction control, a precharge pump and a valve unit are provided. In the traction control mode the precharge pump feeds brake fluid from a brake fluid tank into the pump element associated with the brake circuit of the driven wheels while the valve unit disconnects the pump element from the master brake cylinder and connects it to the brake fluid tank via a pressure limiting valve. A check valve prevents brake fluid from flowing into the ABS brake circuit during this process via the pressure limiting valve.Type: GrantFiled: December 14, 1991Date of Patent: April 7, 1992Assignee: Robert Bosch GmbHInventor: Alwin Stegmaier
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Patent number: 5102096Abstract: The invention is directed to a connection that can be easily made, produced at little expense, and can carry heavy loads. A housing block has a receiving bore with undercut portions, embodied by a groove, that extend over circumferential regions of this bore. A magnet valve has primary flange segments formed onto the valve body, which along their end face which face toward the opening of the receiving bore of the housing block are conically limited in cross section. These flange segments which extend over circumferential regions of the magnet valve body engage the undercut portions, formed in accordance with the cross section of the flange segments, in the manner of a bayonet mount type of connection. The connection is particularly suitable for use in hydraulic vehicle brake systems, where particularly strong forces between the magnet valve and the housing block must be absorbed.Type: GrantFiled: March 22, 1991Date of Patent: April 7, 1992Assignee: Robert Bosch GmbHInventors: Heinz Siegel, Norbert Alaze, Klaus Schmidt
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Patent number: 5102053Abstract: A device for a combined blowout of fuel and air for fuel injection systems in internal combustion engines having a housing with fuel and air connections and a hollow, elongated housing neck having a blowout opening on an end that communicates with the fuel and air connection. Disposed on an end of the housing neck is an electromagnetically actuated valve element, which is pressed onto a valve seat by a valve closing spring. To make the device more efficient for fuel preparation, the valve seat is disposed on a coaxial inner tube that penetrates the housing neck and which extends into the blowout opening. The outer diameter of the inner tube is smaller than the inside diameter of the housing neck. The interior of the inner tube communicates with the fuel connection and the annular chamber enclosed by the inner tube and the housing neck communicates with the air connection.Type: GrantFiled: July 17, 1991Date of Patent: April 7, 1992Assignee: Robert Bosch GmbHInventors: Ernst Linder, Hans Schlembach
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Patent number: 5102047Abstract: A fuel injection pump which has a pump piston disposed in a pump housing and guided in the pump housing. A drive tappet connected to the pump piston is movable by means of a mechanical drive element in a longitudinal direction of the pump cylinder counter to the force of a restoring spring. A guide sleeve surrounds a tappet insert and is guided in a reciprocating direction of the pump piston in a guide tube disposed on the pump housing and surrounded by the restoring spring. The guide sleeve includes a loss prevention device for the drive tappet and pump piston. The guide sleeve has an inwardly oriented collar with a bearing surface upon which a U-shaped disk rests and the disk presses against an outer collar provided on the pump piston. This disk keeps the pump piston in contact with the tappet insert of the drive tappet. A lateral opening is provided in the wall of the guide sleeve, above the bearing surface of the U-shaped disk, through which the U-shaped disk can be introduced.Type: GrantFiled: October 3, 1990Date of Patent: April 7, 1992Assignee: Robert Bosch GmbHInventor: Francois Rossignol
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Patent number: 5101728Abstract: An alternator assembly for use with munitions fired from rifled bores in which both the rotor and stator are juxtaposed along the axis of the munition member and do not exceed the bore-size diameter of the member. Electrical energy is thus generated as the member or round traverses the bore, which energy is used for powering a munition tracking system and/or arming a fuse contained therein.Type: GrantFiled: November 17, 1983Date of Patent: April 7, 1992Assignee: Simmonds Precision Products, Inc.Inventor: Richard C. Frink
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Patent number: 5100305Abstract: The invention is directed to improving the performance of a reciprocating piston pump in terms of noise. The reciprocating piston pump has a drive shaft, which has a circular cylindrical swash member, which is set at an acute angle (.beta.) to the longitudinal axis (O) of a pump and has a circumferentially disposed roller bearing ring. A pump piston, with its end face embodied as part of a spherical surface, engages the circumferential face of the roller bearing ring of the swash member. The longitudinal axes (O, P) of the drive shaft and pump piston extend in the same plane and intersect at right angles. The longitudinal axis (O, T) of the drive shaft and swash member are also offset from one another. Because of this configuration, a pumping phase that is considerably longer than the intake phase during one pumping cycle is attained. Changes in pressure andd force therefore proceed more slowly in the lengthened pumping phase, which improves the noise performance of the reciprocating piston pump.Type: GrantFiled: January 14, 1991Date of Patent: March 31, 1992Assignee: Robert Bosch GmbHInventor: Wilhelm Zirps
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Patent number: 5100208Abstract: A pressure control valve having a pressure fluid inlet chamber connected to a pressure fluid source via a brake valve. A pressure fluid outlet chamber of the pressure control valve communicates with a brake cylinder. The pressure fluid inlet chamber and the pressure fluid outlet chamber can be connected to a control chamber via an inlet valve. The pressure fluid outlet chamber can be connected to the atmosphere via a controllable outlet valve. From the pressure fluid outlet chamber, a first connecting conduit leads to the control chamber of the inlet valve. The first connecting conduit can be monitored by a control valve embodied as a 2/2-way valve. A second connecting conduit, which is always open, is also provided between the control chamber of the inlet valve and the pressure fluid inlet chamber. This conduit exerts a delaying action upon pressure fluid flowing at high speed through it.Type: GrantFiled: December 19, 1990Date of Patent: March 31, 1992Assignee: Robert Bosch GmbHInventor: Ernst Angermair
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Patent number: 5098171Abstract: A brake system having a master brake cylinder embodied as an electrohydraulic followup booster, this cylinder communicates with a brake pedal via a piston rod. The piston rod acts upon a master cylinder piston, which in turn puts a brake chamber under brake pressure. As a result, brake fluid flows via brake lines to various wheel brake cylinders. The master cylinder piston is also assigned a servo piston chamber, which communicates via a control element with a device for supplying servo brake fluid. This control element is controlled via a travel transducer that detects the motion of the piston rod. Additionally, however, the master cylinder piston is assigned a travel transducer which independently of the motion of the piston rod detects the actual motion of the master cylinder piston, and by way of which the control element is likewise triggered for the servo brake fluid, via an electronic unit.Type: GrantFiled: October 20, 1989Date of Patent: March 24, 1992Assignee: Robert Bosch GmbHInventor: Heinz Siegel
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Patent number: 5097648Abstract: A bag evacuating and closing apparatus having two opposing jaws which face ends that move toward one another. The jaws encompass a top closure of a bag package to be sealed. The jaws have hollow spaces open toward one another which are surrounded by frames with sealing jaws disposed in the hollow spaces; the hollow spaces form a chamber that receives the top closure of the bag package. A sealing rib protrudes from one face end of the two frames and is interrupted in a middle region of the frame part at which the closure fold protrudes between the jaws. In this region, suction openings are disposed in the frame parts of both jaws; these suction openings pull two walls of the top closure tightly against the frame parts. After the top closure of the bag package has been tightly encompassed, air is extracted from the bag package by a vacuum, and subsequently, the top closure of the package is tightly sealed by the sealing jaws which form a sealing seam to close the upper end of the bag.Type: GrantFiled: February 7, 1991Date of Patent: March 24, 1992Assignee: Robert Bosch GmbHInventors: Joachim Berner, Norbert Buchner, Klaus Domke, Manfred Reichert, Herbert Stotkiewitz
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Patent number: 5095784Abstract: An impact-spinner wrench including a body assembly having driver impact members along a longitudinal bore, a shaft including output shaft nubs thereon that react with the driver impact members and an end that interacts with a socket. Oppositely disposed weighted handles extending from the body assembly and a handle for permitting rotation of the wrench without harm to the hands.Type: GrantFiled: August 21, 1991Date of Patent: March 17, 1992Inventor: Robert V. Garver
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Patent number: 5095863Abstract: An ignition distributor for internal combustion engines having a distributor ring provided in the form of a diaphragm spring. The diaphragm spring comprises at least two perforated discs internally. The shielding cap and bush are grounded to the ignition distributor housing via plastic deformation of the bush to complementally configure same to the diaphragm spring. The shielding cap and distributor cap are held onto the distributor housing via at least two cap screws, the screws securing the bushes to the housing, and an undetachable contact is effected between the bush and the perforated disc by such plastic deformation.Type: GrantFiled: May 15, 1991Date of Patent: March 17, 1992Assignee: Robert Bosch GmbHInventor: Walter Bader
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Patent number: 5094511Abstract: An anti-skid apparatus having a valve, which is embodied to form a pressure limiting device between the outlet of a return pump and a master brake cylinder. As a consequence, a high-pressure reservoir can be of smaller capacity and can therefore be less expensive, since the pressure limiting device protects the pressure reservoir and other hydraulic elements from a pressure overload.Type: GrantFiled: October 31, 1990Date of Patent: March 10, 1992Assignee: Robert Bosch GmbHInventors: Rolf Becker, Wolf-Dieter Jonner, Reinhard Gutzeit
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Patent number: 5092030Abstract: A method for attaching a wire-identifying tab to an electric wire end, the tab comprising a marking portion having identification mark and being a cylinder having a slit extending axially over the full length of the tab, the method comprising the steps of engaging the tab with a pair of rigid sheets in contact with each other at their upper portions, from their one ends and in parallel with them, subsequently inserting the wire end into the tab while the pair of sheets are displaced apart from each other perpendicular to the tab, and finally disengaging the sheets from the tab, thus fitting an outer surface of the wire end in the tab.Type: GrantFiled: December 27, 1990Date of Patent: March 3, 1992Assignee: Nichifu Terminal Manufacture Co., Ltd.Inventors: Katsuhisa Mori, Hideo Miyata
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Patent number: 5092296Abstract: A throttle valve apparatus, including a throttle valve shaft that is actuated in an axial direction with the aid of a magnet toward a housing stop. The magnet is necessary in any case to actuate a clutch. The location of the throttle valve shaft is defined exactly and without play, without requiring a separate component for this purpose.Type: GrantFiled: March 22, 1991Date of Patent: March 3, 1992Assignee: Robert Bosch GmbHInventors: Spiegel Gunter, Zieger Detlev, Walter Gross
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Patent number: 5088800Abstract: A vehicle brake system of the previously known type has a rear wheel brake booster, between a brake pressure source and an anti-skid apparatus associated with the rear wheels of the vehicle; the brake booster can be switched on by an electrically controllable switchover device. However, switching on of the rear wheel brake booster is effected at the onset of braking only if the anti-skid apparatus is in an operative functional condition. The complex structure of the switchover device in the form of a 3/2-way magnetic valve is a disadvantage. For simplification and economy, the switchover device is provided with an electrically controllable 2/2-way valve and a 2/2-way valve that is mechanically controllable by the stepped piston of the rear wheel brake booster and is built into this brake booster. An electrically controllable 2/2-way valve, which is a component of the anti-skid apparatus, is likewise triggered to activate the rear wheel brake booster.Type: GrantFiled: August 17, 1990Date of Patent: February 18, 1992Assignee: Robert Bosch GmbHInventor: Roland Holzmann
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Patent number: 5087847Abstract: An electromagnetic rotating adjuster that has a servomotor with a can-shaped rotor, which is supported by means of a shaft via a first roller bearing and a second roller bearing, in which the disposition of the roller bearings in the one piece housing is inaccessible. For axial fixation of one second roller bearing, a spring washer is disposed in a second bearing opening and the second roller bearing is pressed against it, the outer race of the bearing having a detent groove on its circumference which groove is engaged by resilient detent tongues of a detent ring, supported in an annular groove of the housing. This assures secure fixation of the second roller bearing in the axial direction in a way that both suits the needs of large-scale mass production and is economical. The electromagnetic rotating adjuster may be used in control of the idling air in internal combustion engines. The resilient tongues and washer facilitate removal, as well as installation, of the rotor assembly.Type: GrantFiled: April 29, 1991Date of Patent: February 11, 1992Assignee: Robert Bosch GmbHInventors: Michael Giesbert, Johannes Meiwes, Friedrich Wendel, Dieter Dick, Henning Teiwes, Helmut Schellhase
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Patent number: 5086742Abstract: For the sake of improving quiet operation during idling and at low partial load by lengthening the injection duration, a fuel injection pump for internal combustion engines has a relief conduit originating in a pump work chamber, the relief conduit including a throttle and being blockable at upper partial load, full load and openable by a control slide. The relief conduit is controlled by a pressure maintenance valve, the opening pressure of which can be adapted from outside to the opening pressure of injection nozzles. The control slide is controlled by a centrifugal governor in such a manner that at idling and lower partial load. The control slide is shifted by the pressure in a fuel low-pressure chamber into its operating position that uncovers the relief conduit, and at upper partial load, full load and starting, the control slide is disconnected from the low-pressure chamber, so that it can drop back into its basic position that blocks off the relief conduit.Type: GrantFiled: June 21, 1991Date of Patent: February 11, 1992Assignee: Robert Bosch GmbHInventor: Hans-Jorg Vogtmann