| Patent Number |
Title Of Patent |
Date Issued |
| 6135912 |
Automatic transmission for a vehicle |
October 24, 2000 |
| An automatic transmission, which establishes automatic shifts in a multiple gear stages by selectively inputting a plurality of input rotations to a planetary gear set, includes first and third clutches connected through a reduction planetary gear to an input shaft and transmits a decele |
| 6128571 |
Vehicle navigation system |
October 3, 2000 |
| A navigator apparatus includes a map memory for storage of road map information, and a target data memory storing therein guidance information as to a destination or target object under search. A present position detector is provided for detecting a present position of a mobile vehicle. |
| 6120410 |
Automatic transmission for vehicle |
September 19, 2000 |
| An automatic transmission establishing multiple gear stages includes a reduction planetary gear, at least two clutches transmitting a decelerated rotation transmitted from the reduction planetary gear, and a planetary gear set inputted the decelerated rotation transmitted through the two |
| 6115669 |
Navigation system for vehicles and waypoint entering and storage method |
September 5, 2000 |
| The invention is characterized in that the street and street number of a waypoint, or of a point nearest to the waypoint, is located and input by an input means whereby the desired street name and street number are entered and stored as the waypoint name. In case the street name of the |
| 6110069 |
Automatic transmission for vehicle |
August 29, 2000 |
| An automatic transmission includes a planetary gear set inputted a decelerated rotation and a non-decelerated rotation and outputting a plurality of shift rotations, a reduction planetary gear, an input shaft, first and third clutches which are able to engage/disengage for connecting |
| 6102830 |
Shift control device for automatic transmission |
August 15, 2000 |
| When a shift to a second gear ratio (second ratio) is determined during a shift control for a first shift (shift from fourth ratio to third ratio), the process status, or circumstances, of the first shift is determined using a hydraulic pressure for a fourth brake being engaged at the |
| 6102825 |
Control system for automatic transmission |
August 15, 2000 |
| A rotational direction of a rotational element at a high speed gear stage is different from a operational direction of a reaction torque at a low speed gear stage. The rotation by the reaction torque at the low speed gear stage is stopped with a self-energizing operation of a band brake |
| 6096988 |
Neutral start switch |
August 1, 2000 |
| A neutral start switch has a base on which stationary contacts are arranged and a rotor on which movable contacts capable of contacting the stationary contacts are disposed. The stationary contacts include reverse lamp contacts connected to a reverse lamp lighting circuit, position stati |
| 6093263 |
Soft nitrided gear and method of fabricating the same |
July 25, 2000 |
| A gear having high pitching resistance, sufficient surface hardness, sufficient hardened depth, high abrasion resistance, high breakage resistance, high fatigue resistance, and low gear noises. A material equivalent to JIS-SCM420 is soft nitrided for two hours in a mixture gas contai |
| 6070124 |
Navigation display device which indicates goal and route direction information |
May 30, 2000 |
| A goal direction mark and a distance to a goal are indicated when the car has approached the end point of route. When the car has deviated from the guide route to the goal or is running backwards on the guide route, there is indicated a mark to inform the direction of progress to the goa |
| 6067500 |
Navigation system |
May 23, 2000 |
| An external storage device having navigation data and programs stored therein to perform a route search and provide route guidance, and a central processing unit which includes a program storage flash memory and program loading means for loading programs from the external storage dev |
| 6057519 |
Transmission electronic control unit including neutral start switch |
May 2, 2000 |
| A control unit has an electronic control device that includes a base board on which a plurality of elements, including a microcomputer containing an automatic transmission program, are disposed. The electronic control device includes an integral neutral start switch connected to the |
| 6050919 |
Lock-up slip control device for automatic transmission |
April 18, 2000 |
| A control device for an automatic transmission having a hydraulic power transmission with a lock-up clutch includes a device for setting a predetermined pressure that is less than a pressure at which a target value convergence control is started. The predetermined pressure is set as |
| 6047235 |
Vehicular navigation system |
April 4, 2000 |
| The invention provides a vehicular navigation system which is capable of lowering the cost of detecting road data stored in order in the outgoing trip, using the road data as resources in the return trip, and determining a route meeting the requirements of the user. According to a vehicu |
| 6038508 |
Vehicular navigation system and memory medium |
March 14, 2000 |
| A vehicular navigation system which is enabled by inputting the name of a registered point to search for the corresponding registered point, including an information memory for storing, as registered point data, registered point name data and the district data where the registered po |
| 6021368 |
Position detecting switch-combined electronic control unit for automatic transmission |
February 1, 2000 |
| A compact-sized position detecting switch-combined electronic control unit disposed on the main body of an automatic transmission and used for detecting range positions chosen by a driver during a shifting operation. The control unit has a base board on which a plurality of elements are |
| 6019700 |
Variable pressure gain control system for a CVT |
February 1, 2000 |
| For achieving a high accuracy line pressure control and a high line pressure, a valve control system outputs a first signal pressure to a primary regulator valve as a second signal pressure when the first signal pressure is low. The valve control system outputs a gain pressure higher |
| 6018198 |
Hybrid drive apparatus for vehicle |
January 25, 2000 |
| A hybrid drive apparatus for a vehicle which is capable of improving the response in restarting an engine during the running of a vehicle. As a result, a shock due to deceleration can be reduced. The hybrid drive apparatus for a vehicle incorporates an engine, a motor generator, a cl |
| 6006161 |
Land vehicle navigation system with multi-screen mode selectivity |
December 21, 1999 |
| A land vehicle navigation apparatus provides a present location map and various easily understood guidance information items in conformity with the environmental criteria of a route. The navigation apparatus includes information storage for storing map data as to route search, route |
| 5983158 |
Navigation system for vehicles |
November 9, 1999 |
| A navigation system including a present-position sensing system for sensing a present position; information storage medium for storing map information; an input device for entering into the system the destination, a roundabout point, a bypass, and the location desired to be traversed for |
| 5971887 |
Infinitely variable transmission |
October 26, 1999 |
| A continuously variable transmission (CVT) has an increased speed of convergence on a neutral point by combining the rotation from the CVT and a constant velocity mechanism. At the neutral point the output member has zero rotation due to torque circulation. When a neutral state is de |
| 5964335 |
Parking device for automatic transmission |
October 12, 1999 |
| A parking control mechanism to prevent generation of noise and shock when a parking range is released after a vehicle has been parked so that a driver does not feel uncomfortable. A parking apparatus of an automatic transmission has a parking gear; a parking pole swingably disposed and |
| 5964309 |
Power supply system, electric vehicle with power supply system mounted thereon, and method of re |
October 12, 1999 |
| A power supply system 10 with a stack of fuel cells 20 and a storage battery 30 includes a remaining charge monitor 42 for measuring the remaining charge of the storage battery 30. At the time of starting the power supply system 10, the remaining charge monitor 42 detects the remaini |
| 5961419 |
Lubricant control apparatus for automatic transmission |
October 5, 1999 |
| A lubricant control apparatus for an automatic transmission including a lubricating unit for feeding the lubricating oil to the portions of a speed change mechanism so that the heat to be generated in the speed change mechanism may be absorbed and recovered by the lubricating oil. The |
| 5961418 |
Infinitely variable transmission |
October 5, 1999 |
| An infinitely variable transmission has a gear neutral (GN) point and serves as an output member by torque circulation. When a pulley ratio thereof is within a predetermined range from the GN point, a coasting state occurs which may hinder smooth torque transmission based on the tran |
| 5954618 |
Slip control system |
September 21, 1999 |
| A slip control system for an automatic transmission includes a fluid coupling including a release side oil chamber, an apply side oil chamber and a lockup clutch unit that is applied and released on an basis of the oil pressure that is fed to at least one of the release side oil chamber |
| 5951616 |
Current control system for linear solenoid |
September 14, 1999 |
| A current control system for a linear solenoid for feedback-controlling an output voltage value on the basis of a difference between a command current value to the linear solenoid, as set according to a vehicle running state, and a feedback current value, as produced by monitoring a |
| 5948355 |
Air-purifying filter and air-purifier for automobile |
September 7, 1999 |
| An air-purifying filter includes a carrier base and a TiO.sub.2 -Pd composite catalyst supported on the carrier base. CO in air treated by the filter is adsorbed onto the Pd surface and thus decomposed by oxidization to CO.sub.2, whereas sulfur compounds in the air are adsorbed onto the |
| 5944632 |
Electric oil pump control system for vehicular power transmission |
August 31, 1999 |
| A vehicular power transmission includes an oil pump that produces an oil pressure for a line pressure to control the applications of frictional engagement elements and for a lubrication pressure to lubricate individual mechanical portions of the transmission. A motor is provided for driv |
| 5944630 |
Control system of vehicle driving system |
August 31, 1999 |
| In a vehicle driving unit employing a driving source formed by combining an engine with a motor generator, a control system prevents a sharp decline of an output torque of a transmission at the end of a shift operation without extending a time period required for the shift operation. The |
| 5941930 |
Navigation system |
August 24, 1999 |
| A navigation system includes input means (1a) for entering a telephone number; an information storage device (3) for storing telephone-number data (3a), in which a location name inclusive of a set of coordinate is stored for each telephone number, address data (3b) in which an address is |
| 5938718 |
Vehicular navigation system providing direction data |
August 17, 1999 |
| In order to provide a driver with guidance for a direction of travel without confusing the driver even in a case where the angular difference between an approach road and a departing road at a branch point is very small or even when a branch point has a complicated shape, a navigation |
| 5935041 |
Automatic transmission with anti-rollback band brake pressure control |
August 10, 1999 |
| A control system for a vehicular automatic transmission includes a speed change mechanism including an output element that is connected to the drive shaft of a vehicle to transmit power, and a rotary element connected to the output element. A control system for the speed change mechanism |
| 5934398 |
Electric vehicle motor control apparatus |
August 10, 1999 |
| A current instruct value generating section including a motor speed range determining unit for detecting a locked state of a motor; a time calculating unit for, if the locked state of the motor is detected, calculating a time required for the transistor junction temperature to reach |
| 5934396 |
Control system for vehicular drive unit |
August 10, 1999 |
| A control system for a vehicular drive unit comprising: an engine, a motor generator connecting to the output of the engine and acting as a power generator for recovering the energy from the wheels and as a motor for driving the output shaft of the engine, a battery for storing the energ |
| 5934126 |
Internally toothed member and method and apparatus for forming the same |
August 10, 1999 |
| An internally toothed member is shown suitable for use as a clutch drum in an automatic transmission. The internally toothed member has the shape of a cup with an open end and a central axis. The cup-shaped member has first internal teeth extending in the axial direction and second inter |
| 5931888 |
Navigation system for vehicles with alternative route searching capabilities |
August 3, 1999 |
| A vehicular navigation system includes a present-position sensing unit (2), an information storage unit (3), input/output means (1) for entering a destination and a transit point, designating execution of a route search from the present position sensed by the present-position sensing uni |
| 5931761 |
Shift control device for automatic transmission |
August 3, 1999 |
| In a driven state, a hydraulic pressure of disengagement side is set at a stroke pressure, a one-way clutch in an operating state is over-run, an engine rotation speed is in an idle state, and an automatic transmission is in a neutral state. In a drive state, the hydraulic pressure of |
| 5931275 |
Stationary cylinder type clutch device |
August 3, 1999 |
| To reduce dispersion in an engagement stroke amount caused by error in manufacturing parts and to reduce the stroke amount in a stationary cylinder type clutch device, the clutch device includes a hub, a drum, friction coupling elements connecting thereto such that rotational power c |
| 5924450 |
Control valve and hydraulic control device for continuously variable transmission devices |
July 20, 1999 |
| A control valve is shown for a continuously variable transmission, with a spool of the control valve being maintained at a fixed transmission ratio position between an up-shift position and a downshift position when a signal pressure supplied to the control valve falls within a certain |
| 5917435 |
Navigation apparatus for vehicles |
June 29, 1999 |
| A navigation apparatus for vehicles which comprises a GPS receiver connected to a GPS antenna, a gyro sensor, a vehicle signal processing circuit for processing vehicle signals such as a vehicle speed signal, a CD unit for driving a CD-ROM containing map information, a display unit f |
| 5916347 |
Hydraulic servo device for automatic transmissions |
June 29, 1999 |
| A hydraulic servo device for an automatic transmission is presented with a reduced axial length as a result of the manner in which oil pressure is fed into the cylinder. The hydraulic servo device includes a cylinder, a piston position to slide within the cylinder, a rod connected to the |
| 5908465 |
Navigation system for displaying a structure-shape map |
June 1, 1999 |
| Road or other guidance is provided by displaying a structure-shape map showing building shapes and roads. Drawing of building shapes on the map is restricted according to a specific condition, e.g. the travel condition of the vehicle, or the screen scroll mode, by setting the display col |
| 5908461 |
Control system for automatic transmission |
June 1, 1999 |
| A control system for an automatic transmission having a running status detector for detecting the running status of a vehicle including an input torque from an engine; a running resistance estimator for estimating a running resistance on the basis of the running status of the vehicle; a |
| 5908096 |
Hydraulic servo unit for vehicular power transmission system |
June 1, 1999 |
| A hydraulic servo unit for a vehicular power transmission system having a helical gear, including a clutch for connecting predetermined rotary elements to each other and a hydraulic servo for applying the clutch, the hydraulic servo including a cylinder, a piston fitted in the cylinder, |
| 5903061 |
Control system for vehicular drive unit |
May 11, 1999 |
| A control system for a vehicular drive unit having an engine, a motor-generator for acting as a motor and a generator, a planetary gear including at least three rotary elements, a battery for storing electric power as generated by the motor-generator and for feeding electric power to |
| 5902213 |
Shift control device for automatic transmission |
May 11, 1999 |
| In an automatic transmission including a gear unit with a second brake connected in series with a one-way clutch and a first brake that is not connected with a one-way clutch, the second brake and the first brake are controlled by linear solenoid valves individually. A vehicle load is |
| 5890988 |
Automatic transmission for vehicle with reverse gear brake |
April 6, 1999 |
| An automatic transmission for a vehicle with a reverse gear brake that includes a case. A predetermined rotational element, having gear teeth and an axis, is disposed within the case. The predetermined rotational element only operates as a rotational element when achieving a reverse gear |
| 5890092 |
Navigation system for vehicles including present position calculating means |
March 30, 1999 |
| In order to calculate the traveling distance and heading of a vehicle in highly accurate fashion, a navigation system is provided with a distance sensor for outputting pulses in proportion to rotation of a wheel, a GPS receiving unit for calculating vehicle speed by GPS reception, acquis |
| 5886440 |
Electric motor with plural rotor portions having pole members of different widths |
March 23, 1999 |
| A motor capable of suppressing the torque ripple includes a rotor, a stator and stator coils. The rotor is provided with a plurality of permanent magnets which are arranged at a constant pitch in the circumferential direction. The stator surrounds the rotor and is formed with a plurality |
