| Patent Number |
Title Of Patent |
Date Issued |
| 5992948 |
Plastic piston |
November 30, 1999 |
| A high pressure accumulator is disclosed which includes a housing having walls defining a chamber and a piston residing in the chamber. The piston is comprised of polyphenylene sulfide and preferably includes a head portion and wall portions extending away from the head portion. The wall |
| 5992946 |
ABS pump connector |
November 30, 1999 |
| A connector is disclosed for providing power to a pump from a circuit in an ABS braking unit. The electrical connector includes a generally cylindrical housing having first and second ends and a length corresponding to the perpendicular distance between the circuit and the pump. In o |
| 5991681 |
Braking system for automotive vehicles |
November 23, 1999 |
| 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 |
| 5990601 |
Electron multiplier and methods and apparatus for processing the same |
November 23, 1999 |
| A channel-type electron multiplier and a method and apparatus for rounding off the sharp circular edges, fissures and protrusions at the ends of the holes in the glass plate. In order to do this a temperature gradient is produced through the plate so that only a small portion is heated a |
| 5989076 |
Molded-in connector |
November 23, 1999 |
| A connector (30) that projects from a metal housing (12), is formed by molding plastic in place, and is braced to increase its strength against breakoff. A cavity (32) is formed in the housing with an undercut that forms an inwardly-facing cavity shoulder (54). A metal brace (70) project |
| 5988976 |
Scroll, for a fluid-working device |
November 23, 1999 |
| Scrolls separable radially, to enable cleaning and polishing of the inner surfaces of the throat area, are disclosed. In one of the embodiments, an inner structure of the scroll intrudes into the throat area for selectively reducing the area, in order that flow, pump head, and speed |
| 5988770 |
Electromagnetically controlled assembly |
November 23, 1999 |
| 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 |
| 5987695 |
Connecting link for a wiper system, in particular on a motor vehicle |
November 23, 1999 |
| In order to configure a connecting link for articulated connecting with a wiper arm and with a control arm so that it can be connected in a dependable manner with little effort to the widely used type of wiper blade, in which an attachment bolt extends transverse to the longitudinal |
| 5980323 |
Smart card connector |
November 9, 1999 |
| 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 cu |
| 5979293 |
Vacuum brake power booster |
November 9, 1999 |
| 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 |
| 5979292 |
Method of operating a pneumatic brake booster |
November 9, 1999 |
| 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 curre |
| 5977740 |
Brake-by-wire system with switched reluctance motor controller |
November 2, 1999 |
| 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 i |
| 5977683 |
Brush-holder plate and electric motor comprising this brush-holder plate |
November 2, 1999 |
| 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 collec |
| 5975965 |
Coaxial connector body |
November 2, 1999 |
| 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. |
| 5975654 |
Valve unit, in particular for hydraulic brake systems with antilock and/or wheel-slip control |
November 2, 1999 |
| 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 |
| 5975652 |
Electrohydraulic unit |
November 2, 1999 |
| 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 |
| 5973433 |
Brush support plate |
October 26, 1999 |
| 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 |
| 5973275 |
Electric switch with microswitches fitted in the region of the manually operated actuating compo |
October 26, 1999 |
| 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 |
| 5968105 |
Process for finding the transverse acceleration of a vehicle |
October 19, 1999 |
| To determine the transverse acceleration of a vehicle, in particular as an input quantity for an electronic vehicle control system such as ABS, TCS, EBV, etc., the output signals of wheel sensors representative of the rotational behavior of the individual vehicle wheels are evaluated. Th |
| 5967624 |
Process of operating an anti-lock motor vehicle brake system |
October 19, 1999 |
| 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, |
| 5967623 |
Pre-loaded elastomeric accumulator for hydraulic system |
October 19, 1999 |
| 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, |
| 5967300 |
Switch with flexible conductor foil |
October 19, 1999 |
| A switch used with steering column assemblies includes a switch mechanism provided at the end of a switch lever. To provide a low-priced and reliable connection between the switch, mechanism and connector contacts in the housing of the steering column switch, a flexible conductor foil is |
| 5965239 |
Plastics housing |
October 12, 1999 |
| A casing for a drive unit has a casing base body which is sealed by means of a cover unit. The casing base body consists of plastic, while the cover is produced from metal. It is desirable to form the edge of the casing in such a manner that the cover is supported on the casing base body |
| 5964140 |
Tandem master cylinder piston protection with centering guide |
October 12, 1999 |
| A master cylinder for attachment with a pre-installed brake booster includes a housing having a bore to receive a piston and piston rod. An outermost end of the piston rod has a guide member in the shape of a funnel which centrally aligns a push rod in the brake booster with a blind |
| 5963120 |
Coil support |
October 5, 1999 |
| A coil support for accommodating at least one coil wire of an electromagnet, more particularly for use in electromagnetic valves, includes a hollow-cylinder-shaped support part having ends which are provided with stops defining the coil in its axial position. The support part has a s |
| 5960977 |
Corrugated polymeric filler neck tubing |
October 5, 1999 |
| A polymeric, multiple-layer tube suitable for use as a filler neck is disclosed. The tube is comprised of a generally cylindrical wall having an outer surface and an inner surface. The inner surface is approximately parallel to the outer surface and defines a generally cylindrical interi |
| 5960512 |
Windshield wiper assembly with a noise and vibration-damping fastener |
October 5, 1999 |
| A noise-damping or vibration-damping attachment feature for a windshield wiper system includes a damping element which is located in an opening of an attachment section of the windshield wiper system and itself supports, in a passage opening, a casing to hold an attachment screw or an |
| 5958206 |
Process for producing a corrosion and wear-resistant oxide layer with locally reduced layer thic |
September 28, 1999 |
| The invention relates to a method to produce an oxide coating that protects against corrosion and wear on the metal surface of a workpiece, more specifically, for the metal surface of a body for accepting a valve, wherein with the use of a cathode, the workpiece, as an anode, is subj |
| 5957724 |
Coax plug insulator |
September 28, 1999 |
| A coaxial connector is provided, of a type that has a front portion (12) where the inner conductor (14) forms a socket for receiving a pin (M) of predetermined diameter (A) (1 mm) and the outer conductor has a front end of predetermined outside diameter (B) (3.7 mm), which enables an inc |
| 5957245 |
Disc brake, disc brake caliper and disc brake shoe |
September 28, 1999 |
| In order to realize a two-piston floating caliper disc brake with a wide caliper, the axially outer side of the caliper is supported by radially extending protrusions shaped on the outer brake shoe. While the two protrusions have the same depth, they differ in their width. Corresponding |
| 5955711 |
Ignition switch with segmented rotary actuation for constrained packaging environment |
September 21, 1999 |
| An electrical switch selectively controls an ignition circuit and accessory circuits of a motor vehicle. The electrical switch includes a segmented rotatable member with radially extending side walls having cam surfaces formed thereon for operably actuating electrically conductive leaf s |
| 5954481 |
Jet pump |
September 21, 1999 |
| A jet pump includes a sucking jet pump with a flow duct having a decreasing cross section and a suction pipe insert which is inserted therein, a bypass arrangement and a valve arrangement, which form a construction unit, where the sucking jet pump has a nozzle insert which is inserted in |
| 5954162 |
Combined service and parking brake |
September 21, 1999 |
| A combined service and parking brake includes a hydraulic actuating device (1) which has a brake cylinder (2) and a brake piston (3), and a hydraulically operable locking device (8) for fixing the brake piston (3) in the applied condition. According to the present invention, the locking |
| 5953916 |
Master cylinder |
September 21, 1999 |
| To ensure pressure compensation and the replenishment function of a master cylinder, the present invention discloses the provision of supply channels configured as slits (40). The slits (40) are adequate to ensure pressure compensation and the replenishment action when the brake system i |
| 5951119 |
Braking system for motor vehicles |
September 14, 1999 |
| A brake system includes a controllable a pneumatic brake booster, whose control valve can be actuated independently of the driver's will by a solenoid. A control structure consisting of a brake pressure controller and a control valve positioning controller generate signals which repr |
| 5951063 |
Quick connector with snap-on retainer having enhanced engagement |
September 14, 1999 |
| A retainer for releasably locking together the male and female component of a quick connector. The retainer is releasably insertible into a transverse bore in the female component and includes a surface slidable over a radial flange on the male component only when the male component is f |
| 5947771 |
Audio/power jack |
September 7, 1999 |
| The rear of a thin IC card is provided with a jack (42A, 42B, FIG. 4) that can receive a multi-contact audio type plug (40) having a diameter that is more than half the thickness of the card. The circuit board has a slot (60) that opens into the rear of the card. A U-shaped insulative bl |
| 5946763 |
Module for a motor vehicle |
September 7, 1999 |
| The invention pertains to a module for a motor vehicle which comprises a windshield wiper system (7) and a windshield washer system, wherein a receptacle (6) that is predominantly realized in the form of a fluid container is shaped such that it surrounds the windshield wiper system (7) |
| 5943174 |
Night vision monocular device |
August 24, 1999 |
| A monocular night vision device comprising an objective lens assembly for receiving low intensity light; an image intensifier assembly comprising a variable gain image intensifier tube having an adjustable potentiometer mounted external to the tube for converting the low intensity light |
| 5941277 |
Hydraulic change-over valve |
August 24, 1999 |
| To effectively prevent a hydraulically operated change-over valve for a hydraulic brake system from fluttering, according to the present invention, an air cushion which attenuates pressure pulsations is incorporated in the inlet chamber of the valve. This air cushion is provided in a |
| 5937727 |
Brake servo device for motor vehicles |
August 17, 1999 |
| A brake power booster for automotive vehicles has a control valve which is operable by a solenoid irrespective of the driver's wish. In order to adapt the force-travel characteristic curve of the solenoid to the consumer characteristic curve of the control valve exhibiting a drop in |
| 5934766 |
Magnetically operated, multi-position, pressure control valve having integral metering orifice |
August 10, 1999 |
| The present invention relates to a pressure control valve including a valve tappet which is axially movably arranged in the valve housing and, in a first switch position, provides a pressure fluid connection between a first pressure fluid port that opens into the valve housing and a seco |
| 5933108 |
Gallium arsenide-based vector controller for microwave circuits |
August 3, 1999 |
| A dual mode microwave vector controller apparatus is disclosed for controlling amplitude and phase characteristics of RF signals. A first set of phase shifting integrated circuit chips (PSICs) is disposed on a semiconductor substrate, each PSIC having an input port for receiving an R |
| 5932945 |
Motor-and-pump assembly |
August 3, 1999 |
| A motor-and-pump assembly includes armature shaft of the electric motor which is retained in the pump housing by way of a main bearing and an auxiliary bearing.The objective is to align the motor housing centrically to the axis of the armature and, in addition, to achieve a reliable atta |
| 5929534 |
Device and method for improving performance and comfort of a vehicle |
July 27, 1999 |
| A device for improving the performance of a vehicle having a driving unit, a plurality of wheels and wheel brakes is furnished with a moisture sensor indicating the environmental humidity. The moisture sensor provides its information to an electronic controller of a brake system and opti |
| 5929329 |
Process for determining wheel speed signal correction factors |
July 27, 1999 |
| The present invention discloses a method of determining correction factors by which the different tire-tread circumferences are ascertained and compensated, wherein a short-time correction factor (KZ.sub.Rn) and a long-time correction factor (LZ.sub.RN) is developed for each wheel, the |
| 5927828 |
Hydraulic brake system with brake slip control and automatic brake management |
July 27, 1999 |
| The present invention relates to a hydraulic automotive vehicle brake system with brake slip control and automatic brake management for traction control and driving dynamics control including a braking pressure generator which is hydraulically connectable with at least one wheel brake |
| 5925941 |
Switching circuit for motor vehicle fog lights and headlights |
July 20, 1999 |
| An automatic fog light cutoff, controlled by the headlights, is described for motor vehicles. The switching circuit for the automatic fog light cutoff is comprised of two current leads connected to each other through a normally-open relay. When the fog lights are switched on, the relay t |
| 5924775 |
Antiskid hydraulic braking system |
July 20, 1999 |
| The invention is based on the objective of simplifying the filling of a auxiliary reservoir that provides an additional medium pressure volume for the suction side of a return pump. For this purpose, the invention proposes to utilize a separating piston that is charged on one side by the |
| 5920193 |
Snap-fit integrated wheel speed sensor assembly |
July 6, 1999 |
| A snap fit integrated wheel speed sensor assembly consists of a dust cap which is mounted over the end of a vehicle bearing assembly. The dust cap has an integral sensor-receiving cavity. A vehicle wheel speed sensor is positioned inside of the receiving cavity. A snap ring functions as |
