Bizarre Patents
Self Containing Enclosure for Protection from Killer Bees
A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5754042 | Magnetoresistive encoder for tracking the angular position of a rotating ferromagnetic target wheel An apparatus for detecting precise angular positions of a rotating object. Two magnetoresistors (MRs) are positioned adjacent a target wheel attached to the rotating object, the target wheel having at least one element of finite length. Each MR is respons... | 05/19/1998 |
| 5668740 | Method for detecting a rough road surface A method for detecting a rough road surface upon which a vehicle is travelling, such detection being utilized by a crash sensing system for improving its immunity to inadvertent deployment during minor crash incidents. The onset of a crash event is sensed... | 09/16/1997 |
| 5606254 | Rotation sensor employing coil wound on assembly of a core interposed between two magnets A variable reluctance sensor for sensing the rotational speed of a target wheel having teeth, separated by slots, angularly positioned along its periphery is comprised of an elongated core interposed between two permanent magnets which generate additive m... | 02/25/1997 |
| 5579230 | Vehicle speed estimation for antilock braking using a chassis accelerometer Before braking occurs the speed of non-driven wheels is monitored and averaged to determine vehicle speed and an integrator is initialized with that speed. Acceleration is periodically calculated from the vehicle speed, stored in a ring buffer and average... | 11/26/1996 |
| 5571060 | Process for correcting the shifting quality of an automatic transmission The invention relates to a process for the adaptive correction of the shifting quality of an automatic transmission which is coupled to an engine and in which correcting elements acting on the pressure or oil throughput bring friction elements into engage... | 11/05/1996 |
| 5481884 | Apparatus and method for providing low refrigerant charge detection In a refrigeration system, an apparatus and method for providing low refrigerant charge detection before and during compressor operation. For detection before compressor operation, a very low refrigerant charge condition is indicated if the measured refri... | 01/09/1996 |
| 5470100 | Air bag module inflator retainer An air bag module includes an inflator for discharging gas and a base plate including a plate opening. A plurality of stud members are mounted to the base plate and extend downwardly from the base plate. Each stud member includes a radial slot. The inflat... | 11/28/1995 |
| 5453648 | Bridge rectifier having an output terminal stud A bridge rectifier for rectifying the alternating output voltage of an alternating current generator. The bridge rectifier has two heat sinks which are electrically insulated from each other. Each heat sink carries groups of semiconductor diodes that are ... | 09/26/1995 |
| 5445407 | Air bag module An air bag module for installation in a vehicle includes a module retainer mounted to the vehicle and including a single rod bent to form the module retainer. An air bag is operatively connected to the rod and an inflator is captured by the rod and held i... | 08/29/1995 |
| 5434487 | Vehicle door manual to power move A power operating system for a vehicle door includes a motor operable to power the door open or closed. When a manual movement of the door a predetermined distance is detected while the motor is inactive, the motor is energized so as to move the door in t... | 07/18/1995 |
| 5424948 | Locomotive traction control system using fuzzy logic A locomotive traction controller system using fuzzy logic to maximize the coefficient of friction between locomotive drive wheels and the rail on which the wheels ride. The locomotive traction system includes a fuzzy logic slip controller that provides a ... | 06/13/1995 |
| 5421607 | Air bag attachment mechanism An air bag module includes an air bag having a circular bag opening and a retainer plate including a circular plate opening. A peripheral hem portion surrounds the bag opening. The air bag module also includes a discontinuous circular ring having a first ... | 06/06/1995 |
| 5396158 | Power vehicle door with reversal control A motor driven power door control system for a vehicle door includes a door position sensor that generates a door position signal for each predetermined distance of door movement so that the period of the door position signal is a measure of door speed. T... | 03/07/1995 |
| 5392741 | Locomotive engine cooling system A water cooling system for a locomotive engine that enables the engine to operate at a maximum power level that generates a maximum permissible engine cooling water temperature corresponding to a particular ambient air temperature. The water cooling syste... | 02/28/1995 |
| 5390992 | Vehicle electric brake system with static brake torque control An electric braking system controls the vehicle brake torque based on the pressure applied by the vehicle operator to the vehicle brake pedal and a moving vehicle brake system gain to provide normal power assisted braking while the vehicle is moving. The ... | 02/21/1995 |
| 5385394 | Antilock brake system with controlled pressure augmentation An electrically controlled fluid displacement piston positioned in a bore modulates braking pressure at a wheel brake for antilock controlled braking by modulating the position of the piston in the bore. At a fully extended home position, a check valve is... | 01/31/1995 |
| 5363300 | Vehicle acceleration sensor A vehicle accelerometer measures vehicle acceleration and provides acceleration data subject to contamination by noise signals. The acceleration data is filtered by a filter. A predetermined function of the noise level in the acceleration data is compared... | 11/08/1994 |
| 5361308 | 3-D measurement of cutting tool wear The profile of a tool or other object having a flat reference plane is illuminated by interfering beams of coherent light to generate a striped light pattern which at any point deviates from straight lines as a function of the surface spacing from the ref... | 11/01/1994 |
| 5350986 | Vehicle power door speed control A motor is controlled to regulate the speed of a vehicle sliding door whose movement and speed are monitored. The motor control voltage is incrementally adjusted in direction to reduce a sensed speed error only if the door has moved a required distance wh... | 09/27/1994 |
| 5351193 | Canister purge control method A fuel vapor canister is purged by admitting fuel vapor from the canister to the vehicle engine under control of a solenoid valve, the duty cycle of the valve being controlled to optimize the purge rate. Closed loop fuel correction and block learn fuel co... | 09/27/1994 |
| 5345817 | Misfire detection in internal combustion engines Engine combustion malfunctions are detected and the responsible cylinder identified by an approach appropriate to the engine operating point by monitoring change in engine speed in a manner insensitive to engine output shaft tooth-to-tooth spacing variati... | 09/13/1994 |
| 5343760 | Gas concentration and flow rate sensor A gas vapor sensor indicates the relative concentrations and flow rate of a gas mixture. Acoustic noise is generated within a closed chamber by the gas mixture flowing therethrough or by ambient noise sources. The chamber has a fundamental resonant freque... | 09/06/1994 |
| 5321979 | Engine position detection using manifold pressure The absolute angular position of an internal combustion engine is determined by monitoring engine intake manifold pressure at a strategic position in the manifold affected most significantly by the intake event of a predetermined cylinder. A significant o... | 06/21/1994 |
| 5320421 | Motor driven brake pressure modulator with motor position control A multi-phased electrically commutated brushless DC motor driven brake pressure modulator includes a pressure actuator the position of which is controlled by the motor to establish the desired brake pressure. The movement of the actuator is determined by ... | 06/14/1994 |
| 5315519 | Method of sensing excessive slip in a wheel slip control system The onset of an excessive slip condition in a slip controller is determined so that it is adaptable to the actual drive torque conditions between the driven wheel and the road surface so as to achieve the desired acceleration or braking characteristics fo... | 05/24/1994 |
| 5315518 | Method and apparatus for initializing antilock brake control on split coefficient surface An antilock brake control system having independently controlled left and right brakes has a control program effective at the onset of antilock operation for sensing when the vehicle is braking on a split coefficient surface and for preventing excessive y... | 05/24/1994 |
| 5307776 | Recognition algorithm for electronic throttle control A recognition algorithm in automotive vehicles having electronic throttle control interprets a combination of operator commands including braking and acceleration commands and imposes a restriction on vehicle motion until a predetermined combination of op... | 05/03/1994 |
| 5308153 | Antilock brake system with closed loop apply bump A vehicle antilock brake system provides an adaptive apply bump period at the beginning of the apply phase of a antilock brake pressure cycle that provides rapid recovery of the correct amount of pressure for all braking conditions. The apply bump period ... | 05/03/1994 |
| 5305218 | Vehicle handling control for wheel slip control systems A wheel slip control system for the left and right wheels common to an axle of a vehicle establishes a desired turning radius by controlling the wheel slip limit so as to establish the outer to inner wheel speed ratio ωo /ωi to a d... | 04/19/1994 |
| 5297054 | Expert system for automically generating gear designs An automated generative gear design process, which designs parallel axis gearsets to meet constraints and performance goals. The process uses state space searches, generate and test, and other knowledge based techniques to automatically generate gearset d... | 03/22/1994 |
| 5292178 | Front seat for two-door vehicle A front seat assembly for mounting to a floor pan of a two-door automobile vehicle and being movable for access to a rear seat. The front seat has a seat bottom. A power operated longitudinal seat adjuster mechanism is carried between and slideably and co... | 03/08/1994 |
| 5289812 | Internal combustion engine air/fuel ratio compensation Engine inlet air/fuel ratio compensation is applied to an internal combustion engine having pneumatic fuel injection, wherein the difference between a value proportional to inlet air pressure and a value proportional to inlet fuel pressure is monitored an... | 03/01/1994 |
| 5291408 | Vehicle traction control system A traction control system limits the spin of a vehicle driven wheel at a spin limit value that is a function of the vehicle turn rate and that is decreased as a function of the vehicle turn rate of change.... | 03/01/1994 |
| 5281009 | Antilock brake system with closed loop control of hold during release An antilock brake controller provides an adaptive pressure hold period that interrupts the release of brake pressure during the pressure release phase of an antilock braking pressure control cycle of a vehicle wheel by holding the brake pressure constant ... | 01/25/1994 |
| 5277025 | Exhaust burner control A control system for an internal combustion exhaust gas heater provides air and fuel to the heater in appropriate proportion to be rapidly ignited therein upon activation of the control system. When flame is present in the heater, the proportion of air an... | 01/11/1994 |
| 5275144 | Evaporative emission system diagnostic The evaporative emission control system of an internal combustion engine is tested by closing the purge air inlet from the atmosphere, applying a vacuum signal to the system, storing the value of a closed loop air/fuel adjustment at the time the vacuum si... | 01/04/1994 |
| 5275474 | Vehicle wheel slip control on split coefficient surface A wheel slip controller controls the torque input to the left and right wheels of an axle so as to strike a balance between the logitudinal forces accelerating (in a traction control system) or decelerating (in an anti-lock braking system) the vehicle and... | 01/04/1994 |
| 5273349 | Antilock brake system with motor current control During the apply phase of an ABS pressure cycle in a system having a motor driven pressure modulator, the motor current is controlled to an apply bump motor current value during the initial period of the apply phase for a wheel parameter dependent duratio... | 12/28/1993 |
| 5265693 | Integrated traction control system A traction control system provides coordinated use of axle torque management via engine spark, engine fuel, and transmission gear ratio. Primary torque management is provided by retarding the ignition timing to reduce engine torque. When the spark retard ... | 11/30/1993 |
| 5263358 | Closed-loop air-fuel ratio controller Oxygen sensor temperature and switching frequency compensation is provided to engine air-fuel ratio control, wherein the drift in the sensor voltage corresponding to stoichiometry is modeled and accounted for in the control, providing improved accuracy in... | 11/23/1993 |
