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| Number | Title | Issue Date |
| 4970462 | Automotive wheel speed sensor assembly with rotor and stator, one of which has only a few poles There is described a speed sensor that is particularly adaptable to moving vehicles such as automobiles. A permanent magnet, stator assembly, and field coil are held within a ferromagnetic cup that is adapted to mate a bearing assembly of a non-driven whe... | 11/13/1990 |
| 4968933 | Automotive wheel speed sensor assembly with stator pole piece carried within aperture of field coil There is described a speed sensor that is particularly adaptable to moving vehicles such as automobiles. A permanent magnet, stator assembly including a stator pole piece, and field coil having an aperature are held within a cup that is adapted to mate a ... | 11/06/1990 |
| 4936337 | Armature for a solenoid operated valve An armature for a solenoid operated valve in which a magnetically responsive tubular housing has a central aperture extending longitudinally therethrough. Secured within the aperture is a seal component with opposite ends positioned relative to the open e... | 06/26/1990 |
| 4930364 | Glass container inspecting machine The thickness of a formed glass container is evaluated around its wall periphery by making a selected sampling of voltage data. An encoder is used which displaces the periphery past a sensor and sampling is synchronized with the pulses of the encoder. Whe... | 06/05/1990 |
| 4914590 | Natural language understanding system A hybrid natural language understanding (NLU) system which is particularly designed for processing natural language text. Primary functional components of the NLU system include a preprocessor; a word look-up and morphology module which communicates with ... | 04/03/1990 |
| 4904936 | Automotive wheel speed sensor including ferromagnetic flux carrying cup closing an opening in the wheel bearing housing There is described a speed sensor that is particularly adapted to moving vehicles such as automobiles. A permanent magnet, stator assembly, and field coil are held within a cup that is adapted to mate a bearing assembly of a non-driven wheel of the vehicl... | 02/27/1990 |
| 4904828 | Multi-circuit slide switch assembly with distinct plunger operated switch A housing has a flat side and an open end opposite the flat side, which open end is closed by a circuit board, sandwiching a slidable contact carrier between it and the flat side. Normal power terminals are carried by the flat side and low power traces by... | 02/27/1990 |
| 4892982 | Timing mechanism with improved clutch assembly A clutch assembly permits a manual setting of a timing mechanism camstack by an appliance operator and at the same time insures that the camstack cannot be manually set during the time that electrical power is being supplied to the timing mechanism. The a... | 01/09/1990 |
| 4890492 | Differential pressure level sensor with temperature sensing elements A strip of resistive carbon is deposited on a longitudinal plastic film and a strip of conductive copper is deposited on a second film. The two film strips are glued together with the resistive and conductive strips opposing to form a sealed envelope havi... | 01/02/1990 |
| 4889316 | Method and device for quick connection and disconnection of a solenoid operated valve to a refrigerator with an icemaker A quick connect/disconnect solenoid operated valve providing simultaneous electrical and fluid connections to a refrigerator with an icemaker.... | 12/26/1989 |
| 4871939 | Piezoelectric motor An elongated bilaminate bender is formed from a pair of piezoelectric ceramic sheets laminated to a conductive metallic strip. In response to an alternating current, the bender bends in a direction substantially perpendicular to its long axis, first one w... | 10/03/1989 |
| 4870342 | Glass container wall thickness inspecting machine The capacitance of the wall of a glass bottle is sensed and converted to a periodic voltage by a measuring oscillator. A periodic voltage is generated by a phase locked loop which includes a voltage controlled reference oscillator which is forced to opera... | 09/26/1989 |
| 4870228 | Electrical switch with improved mechanical assembly A shaft is rotatable in a housing and connected to a rotatable actuator having a notch that pivots around the shaft. A slidable actuator is slidable along the shaft and has a notch that moves parallel to the shaft. The shaft is inserted into a slot in a l... | 09/26/1989 |
| 4868997 | Dryer timer A dryer timer includes a housing and a motor and a cam assembly carried in the housing. A switch in the housing is responsive to the cam to switch the motor between a 120 VAC standard timer circuit and a 240 VAC dryer heater circuit. A leadless voltage dr... | 09/26/1989 |
| 4866948 | Icemaker with improved water quantity control There is a pair of cantilevered switch blades having cooperating electrical contacts mounted on their distal ends. The first blade follows a cam and the second is lifted by a pivotable ramp member to vary the distance between its contact and the cam, ther... | 09/19/1989 |
| 4868354 | Slide switch with light guide A contact is attached to a carrier and the carrier-contact assembly encapsulated in a chamber in a light guide, the chamber having an open end closed by a circuit board having traces on it. A lever fitting into a lever housing in the carrier passes throug... | 09/19/1989 |
| 4865447 | Container inspection apparatus having each output demodulated at a specific source frequency Glassware inspection apparatus comprises a first light emitting diode position to illuminate a first region of the ware, a first driver for driving the first light emitting diode in a first modulated mode, a first photodetector positioned for receiving li... | 09/12/1989 |
| 4862062 | Glass container inspection machine A selected number of data samples is taken around the periphery of the wall of a container to determine the voltages corresponding to the thinnest and thickest wall locations. These two voltages are then converted to dimensions and a minimum to maximum ra... | 08/29/1989 |
| 4857678 | Combination plunger and slider switch A housing has flat terminals, such as traces on a circuit board, along a flat side. A contact carrier having first and second contacts mounted on it is slidable in the housing so that the contacts may slide along the traces in a first direction. First spr... | 08/15/1989 |
| 4855543 | Manually operated electromechanical switch An electromechanical switch includes a lever movable between neutral and activate positions, a first cam comprising a cylinder having oppositely disposed flat sides, a pair of elongated leaf springs, and a housing supporting the first cam sandwiched betwe... | 08/08/1989 |
| 4855714 | Fluid status detector There is a controller connected to a plurality of probes via a transmission line. Each probe includes sensors which provide voltage signals related to the fluid status in the probe environment. The voltage signals are applied to a voltage controlled oscil... | 08/08/1989 |
| 4848115 | Electronic locking system and key therefor The invention adapts to an electronic lock comprising a housing, and a plug supported for rotation within the housing and having a keyway to receive the blade of a key which rotates the plug during operation of the locking apparatus. A locking member is m... | 07/18/1989 |
| 4845490 | Electronic locking system A management apparatus for a locking system includes a computer memory, first computer means for listing in the computer memory the doors having the locks of the system, and second computer means for entering data in the computer memory defining the inter... | 07/04/1989 |
| 4841496 | Appliance timer An appliance timer includes a motor driven cam carried in a housing. A switch blade carried in the housing is responsive to the cam to selectively activate one of a pair of switch circuits, each of which provide a different operating level for an applianc... | 06/20/1989 |
| 4841110 | Timing mechanism with cam and switch arrangement A cam follower is pivotally mounted on an electrical contact blade. The cam follower provides a ramp surface when engaging a step of the cam and a sharp drop off when dropping from a step. The ramp surface provides a smooth transition from a lower surface... | 06/20/1989 |
| 4835978 | Icemaker with improved bail mechanism There is an ice tray, an ejector for ejecting ice from the tray, an ice storage bin, a mechanism for delivering ice to the tray, a bail mechanism, and a motor for driving the ejector, water delivery mechanism, and bail mechanism. The bail mechanism includ... | 06/06/1989 |
| 4837707 | Container inspection apparatus A sealing surface finish leak detector comprises a test fitting, a source of pressure regulated gas, means for coupling the source of gas to an aperture in the test fitting to deliver the gas to the container at an inspection site, and means for limiting ... | 06/06/1989 |
| 4835717 | Intelligent line pressure probe A pressure transducer, a microprocessor, and associated electronics are enclosed in a probe housing which may be attached to a liquid conduit with the pressure transducer responsive to the pressure of the liquid in the conduit to provide an electrical sig... | 05/30/1989 |
| 4835521 | Fluid status detector There is a controller connected to a plurality of probes via a transmission line. The controller provides a command signal including a probe identifier signal and a probe data signal. Each probe includes a plurality of different sensors, each providing on... | 05/30/1989 |
| 4835522 | Tank inventory and leak detection system A controller including a digital processor is connected to flow meters and overfill gauges suitable for placement in the fill ports of underground storage tanks at, for example, a gasoline service station. The station dispenser pumps are also connected to... | 05/30/1989 |
| 4831360 | Fluid status detector There is a controller having an identifier signal output and a status signal input, and a plurality of probes, each having an identifier signal input and output and a status signal input and output. The probes are connected in series with the inputs of on... | 05/16/1989 |
| 4814556 | Camstack and switch assembly and timer utilizing same The hub of a camstack is in the shape of a cone. There are ribs carried on the cone surface with the ribs having cam surfaces that are substantially parallel to the cone surface. The camstack is particularly adaptable for actuating a plurality of individu... | 03/21/1989 |
| 4811312 | Timer with improved clutch and method of manufacturing the same A timer includes a cam driven by a motor and a clutch for permitting the cam to be turned independently of the motor. The clutch includes a clutch plate having a toothed rim, the plate sandwiched between a pair of spring washers, and a tubular eyelet pass... | 03/07/1989 |
| 4801908 | Small relay for automated assembly A magnetic relay is packaged for automated assembly. The armature of the relay is held by an L-shaped frame that is easily assembled and is firmly held in position to insure electrical contact alignment. One of the terminals of the five terminals of the r... | 01/31/1989 |
| 4800731 | Icemaker An icemaker includes a motor and a gear train enclosed in a drive housing, a square drive output shaft extending from the housing, an output gear attached to the shaft, a camstack rotatable on a camshaft, and an input gear attached to the camshaft and dri... | 01/31/1989 |
| 4797007 | Temperature and line pressure probe A probe housing includes a cover and an aluminum base that comprises a plate and a threaded collar for screwing the base onto a pipe-T. A threaded bore permits liquid from the pipe-T to pass through the plate. A pressure transducer, comprises a transducer... | 01/10/1989 |
| 4797515 | Switch timing mechanism with serrated camstack A plastic cylindrical camstack has different inside diameters. This leads to the problems of maintaining concentricity and elimination of excessive warpage during molding of the plastic. These problems have been substantially overcome by removing selected... | 01/10/1989 |
| 4796484 | Shaft detent assembly for a timing mechanism A timing mechanism comprising a camstack having a hollow hub rotatably mounted between support plates, electrical switches actuated by the camstack as it rotates, a bearing having a bore in it and rotatably journalled in one of the support plates, and a s... | 01/10/1989 |
| 4779450 | Method and apparatus for installing a fluid probe A fluid detector comprises a probe, a probe cap and an electric cable connecting the probe and cap. A stainless steel lead is attached to the end of the probe opposite the cable. The distal end of an electrician's fish is inserted through an entry port in... | 10/25/1988 |
| 4765178 | Hydrocarbon probe A casing having rounded corners for ease of insertion into narrow confines defines a protective chamber and has openings permitting fluids exterior to the casing to enter the chamber. There is a fluid monitor within the chamber having a surface adapted fo... | 08/23/1988 |
