Patents Assigned to ITT
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Patent number: 5988770Abstract: Electromagnetically controlled assembly, including electromagnetically operable solenoid valves which are mounted on a valve accommodating member, coils having electric contact elements on their parts projecting from the valve accommodating member, a cover unit which covers the coils and the contact elements, a carrier element to accommodate the coils which is incorporated in the cover unit, at least a part of the cover unit being adapted to accommodate an electronic controller or connecting elements for an electronic controller. The carrier element is made of a material conducting the magnetic flux and the thermal flux, and a plurality of parts conducting the magnetic flux and the thermal flux are mounted at least on one of the bottom side and the top side of the plate-shaped carrier element.Type: GrantFiled: March 25, 1997Date of Patent: November 23, 1999Assignee: ITT Manufacturing Enterprises Inc.Inventor: Peter Volz
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Patent number: 5991681Abstract: In a brake system, the actuating force of a pneumatic brake power booster, which is adapted to be independently activated, is indirectly determined. For this purpose, there is provided a pressure sensor which senses hydraulic pressure introduced into a master brake cylinder connected downstream of the brake power booster, and a differential pressure sensor which senses the pneumatic differential pressure which prevails in the housing of the brake power booster. An electronic controller calculates from both sensor signals the actuating force acting at an actuating pedal.Type: GrantFiled: March 2, 1998Date of Patent: November 23, 1999Assignee: ITT Manufacturing Enterprises Inc.Inventors: Karlheinz Bill, Christof Klesen, Martin Semsch
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Patent number: 5984378Abstract: A quick connector releasibly connects first and second conduits fixedly mounted in first and second, interconnectable connector bodies. The first body has an axially extending tubular first end, a frusto-conical portion, a reduced diameter shaft and an enlarged second end. A pair of angularly inwardly extending latch arms project from the second body to releasibly engage a peripheral edge on the frusto-conical portion of the first body.Type: GrantFiled: December 20, 1996Date of Patent: November 16, 1999Assignee: ITT Automotive, Inc.Inventors: James E. Ostrander, Richard Pender, Gary O. Klinger
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Patent number: 5984651Abstract: The present invention relates to a hydraulic brake system which operates by the feedback principle during brake slip control operations and includes a self-priming pump that aspirates pressure fluid from a pressure fluid reservoir for traction slip control operations. In order to improve the delivery rate of the pump, having a parallel arrangement of the two suction valves, a special construction of the pump-assembly is proposed, wherein the two suction valves are integrated in the pump housing. Advantageously, the suction valves are in axially opposed relationship, and the first suction valve is arranged on the movable piston, and the second suction valve is connected with a screw cap. Further, a pump for a slip-controlled hydraulic brake system according to the present invention is suggested having at least one suction valve with a valve seat, a closure member and a valve spring, the preload of the valve spring being variable in response to the position of a delivery piston.Type: GrantFiled: July 22, 1997Date of Patent: November 16, 1999Assignee: ITT Automotive Europe, GmbHInventors: Erhard Beck, Hans-Dieter Reinartz, Albrecht Otto
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Patent number: 5980323Abstract: An electrical connector (10, FIG. 5) is provided for connecting to a smart card C. The connector includes a two-piece molded plastic frame (11) having a horizontal planar top face (76), and also includes a plurality of resilient sheet metal electrical contacts (16). Each contact has a curved card-engaging part (30), a fixed part (46) that is fixed to the frame, and a central part (38) for connecting the card-engaging part to the fixed part. The central part has a first branch (44) forming a U-shaped fold of about 150.degree., a second branch (42) extending at an upward-rearward (U,R) incline from the fold to the card-engaging part, and a lower branch (40) that extends rearwardly from the fold to the fixed part. The branches (40,42,44) of the central part are each downwardly deflectable to enable easy deflection of the card-engaging part in a contact of small longitudinal (M) length.Type: GrantFiled: July 7, 1997Date of Patent: November 9, 1999Assignee: ITT Manufacturing Enterprises, Inc.Inventors: Herve Guy Bricaud, Bernard Juret
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Patent number: 5979292Abstract: In a method of operating an electromechanically actuatable pneumatic brake booster, an electromagnet which actuates a sealing seat of its control valve is energized in an interval by a short current pulse of maximum current strength with a subsequent ramp-like current rise, and the current being furnished to the electromagnet is decreased when a fixed value of the pressure that prevails in a master brake cylinder connected downstream of the brake booster is reached. When the hydraulic pressure introduced into the master brake cylinder reaches a nominal value, the current being furnished to the electromagnet is supplied by a pressure controller which maintains the hydraulic pressure constant.Type: GrantFiled: July 2, 1998Date of Patent: November 9, 1999Assignee: ITT Manufacturing Enterprises Inc.Inventors: Christof Klesen, Jochen Fuhrer, Michael Vogt, Heinz Zingel, Thorsten Neu, Michael Zydek, Stefan Krebs, Thomas Berthold
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Patent number: 5979293Abstract: In a vacuum brake power booster for automotive vehicles, including a stationary booster housing and a control housing which is axially slidable with respect to the booster housing, a sealing ring, arranged between the booster housing and the control housing, has a stop for an actuating piston. The actuating piston is axially slidably mounted on the control housing, and its purpose is actuation of a release switch to release an electromagnetic actuation of the vacuum brake power booster.Type: GrantFiled: December 22, 1997Date of Patent: November 9, 1999Assignee: ITT Manufacturing Enterprises Inc.Inventors: Peter Drott, Horst Kramer
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Patent number: 5980000Abstract: Circuitry for a brake system with traction slip control by brake management, wherein the traction slip control thresholds are variable, in excess of which braking pressure is introduced into the wheel brake of the overspeeding wheel. After the overspeeding of a wheel of a driven axle and the commencement of the control, the traction slip of the second, non-controlled wheel of the driven axle is determined and evaluated to produce a correction factor which adapts the traction slip control thresholds of the controlled wheel to the instantaneous slip of the second, non-controlled wheel.Type: GrantFiled: December 20, 1996Date of Patent: November 9, 1999Assignee: ITT Automotive Europe GmbHInventors: Alexander Kolbe, Verena Alberg
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Patent number: 5982897Abstract: High precision transmitted navigational data as encrypted data transmitted by global positioning (GPS) satellites is made unavailable in regions designated as hostile and during desired intervals, while allowing the data to be available outside the hostile region. All satellites in the GPS constellation transmit the high precision navigational data in encrypted form. However, only the satellites that are not visible to the hostile region transmit the periodic key necessary to decrypt the data. The periodic key changes after a predetermined time interval. During a given time interval the same key value is used by all satellites for encryption of the high precision navigational data. A receiver can obtain the current periodic key from any visible satellite which is transmitting the periodic key. This key is then used to decrypt the high precision navigational data from that satellite and all other visible satellites.Type: GrantFiled: June 10, 1998Date of Patent: November 9, 1999Assignee: ITT CorporationInventor: James Monroe Clark
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Patent number: 5977740Abstract: A motor control system selectively energizes a motor winding to maximize the motors efficiency and output torque under conditions of varying rotor speed, winding temperature, and supply voltage. Motor output requirement values and sensor output is used to develop independent parameters in the translation and dilation domain from which optimal turn-on and turn-off or "conduction angles" are developed. The optimal conduction angles are processed by circuitry to generate actuation signals that selectively control the delivery of energy to the motor winding.Type: GrantFiled: December 23, 1997Date of Patent: November 2, 1999Assignee: ITT Manufacturing Enterprises, Inc.Inventor: Roy A. McCann
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Patent number: 5977683Abstract: An electric motor has brushes preassembled in casings on a brush holder plate. To keep the brushes in the casings as long as a collector of the motor has not yet been fitted, a retaining ring in front of the brushes is installed, this retaining ring being gradually replaced by the collector when the latter is fitted. The retaining ring is introduced into a specially provided space of an accommodating chamber in a bearing support, provided with a slot and thus resilient in a radial direction. Therefore, the ring may abut with preload on the outside walls of the accommodating chamber. Frictional engagement between the ring and the walls of the accommodating chamber is established, preventing rattling noise or wear as a result of movement of the retaining ring.Type: GrantFiled: September 30, 1997Date of Patent: November 2, 1999Assignee: ITT Manufacturing Enterprises Inc.Inventors: Hubert Scheele, Walter Huber, Harro Buhl
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Patent number: 5975654Abstract: The invention pertains to a valve unit, comprising a valve housing (8) with a flow control valve, an electromagnetic actuating element (1) that is structurally arranged in series with the flow control valve in the valve housing (8), and a piston (3) that forms the flow control valve and produces an unobstructed pressure medium connection between a pressure medium source (4) and a pressure medium sink (5) in its normal position. In its normal position, the actuating element (1) is supported on one end face of the piston (3) against the force of a compression spring (2). In the operating position, the actuating element separates from the piston (3) and assumes an intermediate position in which it controls the volume flow of the pressure medium between the pressure medium source (4) and the pressure medium sink (5). This results in a simple and reliable valve construction.Type: GrantFiled: April 28, 1997Date of Patent: November 2, 1999Assignee: ITT Manufacturing Enterprises Inc.Inventors: Dalibor Zaviska, Paul Linhoff
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Patent number: 5975652Abstract: An electrohydraulic unit for pressure control in automotive vehicle brake systems includes a housing, wherein channels and accommodating bores for inlet and outlet valves, pressure accumulator, pump, pump valves, pump drive and pressure fluid ports are incorporated, wherein accommodating bores for the inlet and outlet valves open vertically into a first housing plane, and accommodating bores for the pump and the suction channel of the pump are arranged in a second housing plane disposed in parallel to the first housing plane, and the suction channel is connected to an accommodating bore of the pressure accumulator which extends both in the area of the first and the second housing planes. Both the suction channel and the pressure channel are positioned on a joint axis in the second housing plane, and both the suction valve and the pressure valve are arranged in the second housing plane coaxially one behind the other in the area of the suction and pressure valves.Type: GrantFiled: July 20, 1998Date of Patent: November 2, 1999Assignee: ITT Manufacturing Enterprises Inc.Inventor: Albrecht Otto
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Patent number: 5975653Abstract: A compact hydraulic unit for slip-controlled brake systems with several hydraulically, mechanically and/or electrically operable functional elements (e.g. accumulator, valve elements, pressure generating and driving elements) arranged in an accommodating member, with several pressure fluid channels connecting the functional elements. The pressure fluid channels create a hydraulically operable connection between at least one pressure fluid supply means and one pressure fluid consumer. A control device can be connected with the valve and the driving elements by means of electrical conductors. The valve elements are arranged in several valve accommodating bores of the valve accommodating member in a first and a second row. Pressure fluid bores are provided between the two diametrically extending valve rows which connect the valve elements and location bores containing the pressure generating element and the driving element.Type: GrantFiled: November 12, 1996Date of Patent: November 2, 1999Assignee: ITT Automotive Europe GmbHInventor: Dalibor Zaviska
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Patent number: 5978037Abstract: A circuit for decoding additional information in a composite signal, the circuit having a filter device for separating a signal range in the composite signal, which includes the additional information in coded form. An adaptive decoding device is controlled by a signal quality parameter which is determined in an additional circuit from the respective reception state of the composite signal.Type: GrantFiled: February 25, 1997Date of Patent: November 2, 1999Assignee: Deutsche ITT Industries, GmbHInventors: Thomas Hilpert, Stefan Mueller
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Patent number: 5975965Abstract: An electrical connector element, especially a coaxial connector body (1), includes a forward connector part (2) and a rearward crimp barrel part (3), formed of a single piece of thin sheet metal, wherein the crimp barrel part is constructed to avoid resilient collapse during crimping. The sheet metal has been rolled into a cylinder with adjacent edges (7, 8), with each edge provided with a circumferentially-projecting tab (11, 12) that overlies the other edge. The two tabs prevent one edge from riding over the other to thereby prevent resilient collapse of the cylinder during crimping, but instead hold the edges adjacent to cause plastic deformation of the crimp barrel part during crimping.Type: GrantFiled: September 4, 1997Date of Patent: November 2, 1999Assignee: ITT Manufacturing Enterprises, Inc.Inventor: Peter Jordan
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Electric switch with microswitches fitted in the region of the manually operated actuating component
Patent number: 5973275Abstract: The invention relates to a steering column switch which should, with a uniform construction, be easily adaptable to different switching tasks. The invention is operated, in an optional manner, by means of microswitches which can be inserted into a mounting cavity of a carrier unit (2), whereby the cavity is positioned in the area of the grip handle (1) of the steering column switch. Advantageous further developments describe additional possibilities for the activation, independently of the rotational movement of the grip handle (1), of additional microswitches (16, 22) by means of an activation knob (23) in the activating element (1), or by means of the longitudinal movement of the grip handle (1) of displaceable contact parts (15, 22).Type: GrantFiled: April 7, 1998Date of Patent: October 26, 1999Assignee: ITT Manufacturing Enterprises, Inc.Inventors: Reiner Mozer, Rudolf Klein, Walter Neubauer -
Patent number: 5973433Abstract: A brush support plate (1) is disclosed. The current supply to the brush (21) is effected by way of conductor paths (10, 11) which are almost completely embedded into the material of the support plate. Recesses (30, 31, 32, 33) permit welding or soldering the strands (20) of the brush (21) to the conductor paths (10, 11).Type: GrantFiled: September 8, 1997Date of Patent: October 26, 1999Assignee: ITT Manufacturing Enterprises Inc.Inventors: J Gunter Kiehnle, Bernd Walther, Christof Heuberger
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Patent number: 5967624Abstract: In a method of operating an anti-lock automotive vehicle brake system for driving stability control and/or traction slip control (DSC/TCS) which includes an actuating unit that is operable by a brake pedal, and the actuating travel of the brake pedal is sensed by a pedal position sensor, a pressure value is assigned to the output signal of the pedal position sensor (11) in a control operation, the pressure value corresponding to the hydraulic pressure which prevails in the brake circuit (I of II) that is pressurized in response to the driver's wish.Type: GrantFiled: September 25, 1997Date of Patent: October 19, 1999Assignee: ITT Manufacturing Enterprises Inc.Inventors: Johannes Graber, Nino Romano
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Patent number: 5967623Abstract: A hydraulic control unit for a hydraulic vehicle control system, such as anti-lock brakes, includes a hydraulic accumulator including a housing that defines a cavity and a passageway that extends from the cavity and that is adapted for inner-connection with a host hydraulic circuit, preferably adjacent the high pressure outlet of the host system hydraulic pump. A closure member cooperates with the housing to substantially seal the cavity. A pre-loaded elastomeric member is disposed within the cavity and is compressible with increasing hydraulic fluid pressure to attenuate short duration pressure pulses therein.Type: GrantFiled: June 13, 1997Date of Patent: October 19, 1999Assignee: ITT Manufacturing Enterprises, Inc.Inventor: David L. Agnew