| Patent Number |
Title Of Patent |
Date Issued |
| 5371497 |
Navigation system for vehicles |
December 6, 1994 |
| A navigation system for vehicles, capable of exactly and quickly showing guide information to a driver when two intersections to be negotiated are close to each other, is provided. A destination is input by an input part and a route to the destination is calculated from a present positio |
| 5368531 |
Control method of and system thereof for inversely proportionally raising and lowering servo hyd |
November 29, 1994 |
| A method is provided for the control of servo hydraulic pressure in an automatic transmission. Servo hydraulic pressure is adapted to engage or release first and second frictional engagement elements arranged in such a relationship that, upon shifting from one particular speed stage to |
| 5351577 |
Control system for servo hydraulic pressure of two friction engaging means during an N-R shift i |
October 4, 1994 |
| A control system is provided for servo hydraulic pressure in an automatic transmission having planetary gear mechanisms. Shifting elements of the mechanisms can be connected to establish a different power flow in accordance with engagement or release of frictional engagement devices |
| 5343399 |
Vehicle navigation system |
August 30, 1994 |
| In a vehicle navigation system, when a voice control part, which is displayed on a screen, is switched off, a voice control part inhibits voice guidance from being output to a speaker. Now, if a current-location/guide selection key is operated, the voice control part creates voice gu |
| 5339709 |
Control system for a combined shift in which an accumulator is disconnected in an automatic tran |
August 23, 1994 |
| A control system is provided for an automatic transmission which has primary and second shifting units connected together to provide multi-stage speed ranges. Upon performing a combined shift, a hydraulic control circuit disconnects a hydraulic servomotor and its corresponding accumu |
| 5334114 |
Control system for servo hydraulic pressure in vehicular automatic transmission |
August 2, 1994 |
| A control system is provided for servo hydraulic pressure in a vehicular automatic transmission having planetary gear mechanisms. Shifting elements of the mechanisms can be connected to establish a different power flow in accordance with engagement or release of frictional engagement dev |
| 5259489 |
Oil pressure control for automatic transmissions |
November 9, 1993 |
| An oil pressure control system for an automatic transmission which is equipped with a clutch including: an oil chamber; a piston adapted to be moved forward by pressure oil fed to the oil chamber; a plurality of friction discs adapted to engage when thrust by the piston; and a check |
| 5254053 |
Five-speed automatic transmission |
October 19, 1993 |
| A five-speed automatic transmission includes a main transmission and an over-drive transmission of a front disposition type. The main transmission includes three sets of planetary gears, a clutch for engaging and disengaging speed-change elements of the planetary gear sets, and a brake |
| 5239896 |
Hydraulic servomechanism control system in automatic transmission |
August 31, 1993 |
| Herein disclosed is a hydraulic servomechanism control system in an automatic transmission, for modulating the oil pressure of any hydraulic servomechanism to engage or release frictional engagement devices. The control system comprises: two pressure modulating mechanisms for modulat |
| 5231584 |
Navigation apparatus with non-volatile memory for return to initial departure point |
July 27, 1993 |
| A navigation apparatus has an input unit (1), a CPU (2), a display unit (3) and a memory unit (4), the memory unit (4) being a memory such as a CD-ROM in which network data of geographical points, namely destinations and present locations, and information are stored in advance. Also stor |
| 5197507 |
Linear solenoid valve apparatus and method assembling |
March 30, 1993 |
| A linear solenoid valve apparatus includes an electromagnetic valve, a modulator valve with a valve sleeve, valve spool, a spring biasing the spool, a feedback pressure chamber, and an adjusting means provided between the electromagnetic valve and the modulator valve so that the plun |
| 5195036 |
Shift control system and method for automatic transmission, including engagement time lag contro |
March 16, 1993 |
| A shift control system for an automatic transmission including a first transmission assembly for changing gear ratios in accordance with the release or engagement of a first frictional engagement system and a second transmission assembly connected in series to the first transmission |
| 5191532 |
Navigation apparatus |
March 2, 1993 |
| A navigation apparatus, in which guidance information for travel to a desired destination is outputted upon inputting the desired destination, has an input unit for inputting a desired destination, a memory unit for storing guidance information and destination information, and a display |
| 5186204 |
Linear solenoid valve apparatus |
February 16, 1993 |
| A linear solenoid valve apparatus for discharging foreign matter collected at the exhaust port by engaging the electromagnet of the linear solenoid valve. The apparatus includes a linear solenoid valve having a valve sleeve, a spool, a spring, and an electromagnet, and a modulator valve |
| 5176039 |
Automatic transmission with feedback passage for preventing reverse flow |
January 5, 1993 |
| An automatic transmission with a reverse inhibit feedback passage between front and rear oil sumps. The transmission includes a case, a passage in the case for returning oil to the front sump from the rear sump and a flap valve for allowing the flow from rear sump to front sump while inh |
| 5174423 |
Lock-up apparatus in torque converter |
December 29, 1992 |
| A lock-up apparatus in a torque converter includes a first oil chamber (25) and a second oil chamber (26) delimited by a lock-up piston (21), a first oil line system (A) communicating with the first oil chamber (25), and a second oil line system (B) communicating with the second oil cham |
| 5168452 |
Route exploration method of navigation apparatus |
December 1, 1992 |
| In a navigation apparatus for setting a route from a designated departure point to a destination and providing guidance along the route, there are provided, as map data used in route exploration, node data [FIG. 15(b)] comprising position information and information relating to the attri |
| 5130709 |
Navigation apparatus for vehicle |
July 14, 1992 |
| A navigation apparatus for a vehicle according to the present invention is designed to compare the distance from the previous intersection or feature to a further feature with the value from an odometer (2) and then to forcibly zero the remaining distance to the further feature when the |
| 5127287 |
Hydraulic breathing apparatus for a hydraulic device |
July 7, 1992 |
| A hydraulic breather for a valve body in an automatic transmission, in which is disposed hydraulic equipment, for example, linear solenoid valves. The breather separates oil in the oil pan from the oil in the hydraulilc equipment when the automatic transmission is at work while allow |
| 5121326 |
Display system in navigation apparatus |
June 9, 1992 |
| A display system in a navigation apparatus according to the invention has course searching means (13) for searching out an optimum course based on position information, node data (21), intersection data (19) and road data (23), and scale ratio setting means (15), wherein the scale ratio |
| 5115399 |
Position input system for vehicular navigation apparatus |
May 19, 1992 |
| A position input system for a vehicular navigation apparatus includes an input unit for inputting a desired destination and a present position, a memory unit for storing desired destination information and map information, and a display unit for outputting the desired destination inf |
| 5109733 |
Hydraulic control device for an automatic transmission |
May 5, 1992 |
| An accumulator back pressure control device for an automatic transmission regulates the accumulator back pressure when a shift valve is switched. For example, when up-shifting from first to second speed, when the second brake starts to engage by switching of a shift valve, the rotational |
| 5103400 |
Destination guidance method of vehicle navigating |
April 7, 1992 |
| A navigating apparatus which outputs information for guidance to a destination comprises an input device (1) for inputting a destination and a present position, a memory (4) in which guidance information is stored, an arithmetic unit (2) for determining optimum guidance information from |
| 5078028 |
Hydraulic control device with cutback valve for an automatic transmission |
January 7, 1992 |
| A primary regulator valve has a cutback port which regulates a line pressure to increase, at the first speed of D range, a throttle pressure is applied to the cutback port through a cutback valve. The primary regulator valve sets the line pressure from a line pressure port higher. Th |
| 5076408 |
One-way clutch having improved annular retainer plates |
December 31, 1991 |
| In a one-way clutch, a plurality of sprags held by a retainer in a swingable manner and forced by a spring in one direction are interposed between an inner ring and an outer ring. A pair of end bearings are slidably fit to the outer ring on both sides of the retainer between the inne |
| 5074168 |
Hydraulic control device for an automatic transmission |
December 24, 1991 |
| A reverse-engaging condition is prevented by a reverse inhibit valve operated by the solenoid valve even if a shift lever is operated to a reverse range at forward running. A solenoid valve controlling a 1-2 shift valve is "OFF" when controlling a manual valve to a reverse range under 7 |
| 5067082 |
Navigation apparatus |
November 19, 1991 |
| Navigation data (26) are generated by performing course exploration up to a destination using path data (26), which include information relating to intersections and road information, in response to input of the destination. Course guidance to the destination is provided while presen |
| 5050447 |
Oil reservoir device for an automatic transmission |
September 24, 1991 |
| In an automatic transmission mounted on a front engine and front drive vehicle, a valve body is positioned not to be obstructed by a vehicle side subframe, and lower sections of the transaxle casing, transaxle housing and rear cover form an oil reservoir space. Also, the lower part of th |
| 5043902 |
Vehicular navigation apparatus |
August 27, 1991 |
| A vehicular navigation apparatus includes a distance sensor (1), a steering angle sensor (3), a curve detecting unit (9) provided with inputs of a distance signal and steering-angle signal for calculating a change in vehicle travelling direction by referring to a steering angle - travell |
| 5029688 |
Lubrication device for a one-way clutch in an automatic transmission |
July 9, 1991 |
| A ring gear and an outer race of a one-way clutch are linked and secured in the axial direction. The outer peripheral section of a disk-shaped supporting member engages teeth of the ring gear and supports the ring gear, and a tapered snap ring is mounted in an indented groove with a |
| 5029685 |
Oil sealing structure for a hydraulic device for an automatic transmission |
July 9, 1991 |
| Seal rings are set in oil grooves which are situated at both sides of two oil passages communicating two hydraulic actuators which operate oppositely. First and second seal rings oil-tightly seal between the first oil passage and sleeve, while third and fourth seal rings oil-tightly seal |
| 5026337 |
Supporting device of a planetary ring gear for an automatic transmission |
June 25, 1991 |
| A ring gear of a dual planetary gear, or a big ring gear is fixed on a peripheral section of a disc type supporting member, and both sides of the supporting member are supported by thrust bearings situated in small radius section of the supporting member. The ring gear of the planetary |
| 5024638 |
Actuator for a frictional engaging device |
June 18, 1991 |
| An actuator for frictional engaging devices is controlled by electric signals from a control device and is disposed in a power transmission device. The actuator includes a torque generating mechanism and has at least two movably mounted frictional engaging devices having respective i |
| 5020903 |
Optical correlation-type velocity measurement apparatus |
June 4, 1991 |
| In a correlation-type speedometer which determines velocity by calculating stagger time from a maximum value of the correlation function of outputs from two sensors arranged one in front of the other in the direction of movement, use is made of an oblong slit, a sensor whose light-receiv |
| 5019025 |
Carrier device in an automatic transmission |
May 28, 1991 |
| A carrier is provided with a flange-shaped carrier cover directly secured to a pinion shaft which supports a pinion, and the carrier cover is integrally formed to a countershaft by heat forging. The carrier cover is formed with a lubricant oil hole extending from the countershaft toward |
| 5014800 |
Motor driving device provided with decelerator and electric vehicle |
May 14, 1991 |
| A motor driving device provided with a decelerator according to the present invention is so structured that a motor rotational shaft 6a and an output rotational shaft 9 are coaxially disposed within a casing 1 thereof, and planetary gears 18, 19, 20, 21, and 22 connect the two rotational |
| 5013287 |
Automatic transmission with stator shaft mounting structure |
May 7, 1991 |
| A stator shaft is press-fitted and secured to the inner peripheral surface of a pump cover positioned between a torque converter and a automatic transmission mechanism section. Bushings are fitted to a part opposing the press-fit section with reference to the outer peripheral surface of |
| 5010991 |
Lock-up clutch control device for a torque converter |
April 30, 1991 |
| A supplying port connecting to a supplying-side hydraulic pressure is arranged in a lock-up control valve. When the lock-up relay valve is switched ON (right half position), a supplying hyraulic pressure is supplied to a second oil chamber through an oil passage, led to a first oil c |
| 5005444 |
Hydraulic control apparatus for automatic transmission for motor vehicle |
April 9, 1991 |
| A hydraulic control apparatus for controlling a shifting action of a hydraulically operated frictional coupling device of an automatic transmission connected to a vehicle engine, from a neutral position to a forward drive position, in response to an operation of a shift lever. The ap |
| 5005442 |
Control system for stepless belt transmissions |
April 9, 1991 |
| A stepless transmission in which travel in two different shift regions is made possible by a main transmission unit constituting a stepless transmission mechanism and an auxiliary transmission unit coupled to the stepless transmission mechanism, and in which torque ratio is capable of |
| 5004082 |
Starting device of an automatic transmission for vehicle |
April 2, 1991 |
| A starting device for an automatic transmission for a vehicle includes a hydraulic coupling disposed between the output shaft of the engine and the input shaft of the automatic transmission. A lock-up clutch connects the output shafts of the engine and the output side of the hydraulic co |
| 4995285 |
Fail-safe hydraulic control valves in an automatic transmission |
February 26, 1991 |
| The first and second emergency control valves are a back up device in case all solenoid valves are in failure (non electrified). When the first and second solenoid valves are all off due to wire disconnection and the like in case the manual valve is at the 3 range, a 1-2 shift valve is |
| 4994007 |
Counter gear supporting device for an automatic transmission |
February 19, 1991 |
| A counter gear section including its supporting device is constituted as a sub assembly. The sub assembly is formed by setting a bearing unit on the counter gear, and the assembly is inserted in the inner surface of a supporting wall of the case and is held and fixed by a brim and a snap |
| 4992947 |
Vehicular navigation apparatus with help function |
February 12, 1991 |
| A vehicular navigation apparatus, which is equipped with a help function, for outputting guidance information for travel to a desired destination includes an input unit having desired destination input means, present position input means and help function input means, a memory unit for |
| 4991464 |
Engine brake control device for an automatic transmission |
February 12, 1991 |
| Hydraulic pressure which is regulated by a pressure control valve (linear solenoid valve) is applied to a hydraulic servo of a brake which is actuated when an engine-brake is effected. When the engine-brake is effected, a hydraulic pressure which is modulated by a modulator valve con |
| 4982809 |
Method and apparatus for controlling 4-wheel drive system for a motor vehicle |
January 8, 1991 |
| A method and an apparatus for controlling a 4-wheel drive system of a motor vehicle having front wheels and rear wheels and a power transmission. The 4-wheel drive system includes a differential control clutch having input and output elements which are rotatable relative to each other wi |
| 4976347 |
Actuator for friction engagement device |
December 11, 1990 |
| Disclosed is an actuator for a friction engagement device of the type adapted to allow power transmission between two shafts by releasing engagement of the friction engagement device concerned. The actuator comprises a torque/thrust conversion device composed of two elements and adap |
| 4974696 |
Power transmission device for four wheel drive vehicles |
December 4, 1990 |
| A differential motion limiting device, for a power transmission device for four wheel drive vehicle, to regulate differential motion of a center differential device includes a wet-type multi plate clutch and an hydraulic actuator. And a switching valve is attached to an oil passage to |
| 4971185 |
Oil channel structure for automatic transmission |
November 20, 1990 |
| A plurality of oil channels formed in a casing is communicated with a single rotating hydraulic actuator. The casing comprises a transaxle casing on which a valve body is disposed, and a rear cover is fixed to the transaxle casing. The oil channels extend outwardly from a boss section in |
| 4966264 |
Thrust washer mounting apparatus |
October 30, 1990 |
| A thrust washer has a protrusion which is formed with a projecting pawl. The rotating member is formed with a through hole, into which the protrusion of the thrust washer is inserted, such that the pawl is projected out on the opposed surface remote from the thrust washer of the rota |
