Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 4944376 | Brake band drum for planetary gear-type transmissions A brake band drum for a planetary gear-type automatic transmission in which a clutch is formed inside a press-manufactured planetary gear input member coupled to a press-manufactured clutch cylinder and one member of a planetary gear mechanism, and a band... | 07/31/1990 |
| 4941096 | Electronically controlled automatic transmission If a driver wishes to start off an automotive vehicle in second or third gear when the vehicle is at rest on a road surface having a low coefficient of friction, as is the case when a road surface is covered with snow, the driver operates a winter mode se... | 07/10/1990 |
| 4934215 | Automatic transmission An automatic transmission comprising a single planetary gear unit and a dual planetary gear unit has an output member located in its center so that the output member encloses an input shaft. In the case of a three speed automatic transmission mechanism, a firs... | 06/19/1990 |
| 4916977 | Automatic transmission Automatic transmission including a main-transmission-mechanism consisting of two planetary gear units (three speed or four speed transmission mechanism for example) and a sub-transmission-mechanism consisting of one planetary gear unit (underdrive mechani... | 04/17/1990 |
| 4914978 | Automatic transmission An automatic transmission has a main transmission mechanism having two planetary gear units made on a first axle, and a sub transmission mechanism having two planetary gear units made on a second axle; the main transmission mechanism having a single plane... | 04/10/1990 |
| 4903550 | Hydraulic control device for automatic transmission A hydraulic control device for an automatic transmission, having a gear ratio different from that of usual D range by a manual shift down from the D range to range 3 or 2, is mounted on an automobile. A first solenoid valve, a first shift valve and a seco... | 02/27/1990 |
| 4899621 | Automatic transmission for vehicles An automatic transmission for motor vehicles, including a first shaft rotatably supported by the automatic transmission case and consisting of an input shaft coupled with the engine output shaft through a joint like a fluid joint or a friction clutch and ... | 02/13/1990 |
| 4895236 | Actuator for the frictional engaging device An actuator for a four wheel drive transfer mechanism which is laid in a power transmission device and is controlled by an electrical signal sent from a controlling unit comprises a torque generating mechanism which converts electrical energy into a torqu... | 01/23/1990 |
| 4884472 | Automatic transmission An automatic transmission having Ravigneaux Type planetary gear unit comprises a first and a second sun gear, a long pinion meshing the first sun gear, a short pinion meashing the long pinion and the second sun gear, a carrier supporting the long pinion a... | 12/05/1989 |
| 4866935 | Hydraulic torque converter In a hydraulic torque converter having a torus of flatness ratio (L/H) within the range 0.82-0.9, the outer and inner contours of the turbine in a meridional plane through the axis of the turbine each comprises a combination of a plurality of circular arc... | 09/19/1989 |
| 4864889 | Continuously variable transmission A belt driven continuously variable transmission unit which converts the rotation of the input member by continuously variable ratios, and a gear unit such as a planetary gear unit to which the output torque from said continuously variable transmission un... | 09/12/1989 |
| 4862768 | Limiting/switching device for four wheel drive vehicle Provided is a power transmission device for four-wheel drive vehicles of both the full-time type and part-time types, wherein a wet multiple-disc clutch is mounted in a ring gear covering the front-wheel differential gear and arranged coaxially with the d... | 09/05/1989 |
| 4858499 | Automatic transmission with lock-up clutch In an automatic transmission equipped with a lock-up clutch (6) capable of transmitting engine power to the automatic transmission (1) directly or via a torque converter (2), the automatic transmission has sensors (11, 12) for detecting an input rotationa... | 08/22/1989 |
| 4848177 | Automatic transmission An automatic transmission having a one-way brake in which an outer race is fixed to a rotational member of a planetary gear unit or to a transaxle case and, conversely, an inner race is fixed to the transaxle case or the rotational member of the planetary... | 07/18/1989 |
| 4841445 | Electronically controlled automatic transmission In accordance with the invention, the mounting position of a throttle opening sensor is adjusted in such a manner that the output voltage of the sensor attains a value a value of V100 at a throttle opening of 100%. When execution of the system ... | 06/20/1989 |
| 4838844 | Endless transmission belt An endless transmission belt is formed of a plurality of symmetrical V blocks. Each V block comprises upper and lower portions disposed approximately parallel to each other, and two pillar portions connecting the upper and lower portions. The block includ... | 06/13/1989 |
| 4839041 | Magnetic oil strainer A strainer is mounted in an oil passage within a valve body constituting the hydraulic control unit of an automatic transmission. The strainer includes a frame (4) fitted into the oil passage, a reticulate member (5) secured to the frame (4) so as to form... | 06/13/1989 |
| 4829853 | Hydraulic control system for automatic transmission Under idle condition of a vehicle, control valve 90 is "left half position", line pressure modulated by throttle valve 41 is applied to clutch hydraulic servo C1 through ports δ, μ; and the clutch is held just under connection, line pressure ... | 05/16/1989 |
| 4813301 | Automatic transmission In an automatic transmission including a torque converter, the transmission mechanism is capable of performing lock-up function. The input side portion of a first clutch is coupled with the turbine of the torque converter, wherein the first clutch is in c... | 03/21/1989 |
| 4790211 | Power transmission device for four wheel drive vehicle having an improved differential motion limiting mechanism A power transmission device for a full-time four wheel drive vehicle has a differential motion limiting device composed of a hydraulic frictional clutch such as a wet multiple disc type clutch. The friction clutch is disposed between a diff-carrier consti... | 12/13/1988 |
| 4716786 | Automatic transmission for motor vehicles An automatic transmission, wherein a first shaft is rotatably supported by the transmission case, and an input shaft is coupled with an engine output shaft. Additionally, a second shaft, comprising a long shaft and a short shaft rotatably mounted thereupo... | 01/05/1988 |
| 4712635 | Control apparatus for four-wheel drive vehicle The coefficient of friction of a road surface lying ahead of a four-wheel drive vehicle is predicted and, if control performed on the basis of the prediction is incorrect, the coefficient of friction of the road surface actually traversed by the vehicle i... | 12/15/1987 |
| 4633736 | Vehicular continuously variable transmission A vehicular continuously variable transmission comprising a V-belt drive continuously variable transmission and a power transmission splitting driving mechanism consisting of a combination of a fluid coupling and a planetary gearing and disposed between t... | 01/06/1987 |
| 4607541 | Automatic transmission An automatic transmission having: a torque converter; a first planetary gear set; a second planetary gear set, and friction elements operated by hydraulic servos. The first planetary gear set has a hydraulic servo drum D1 for a clutch C1 | 08/26/1986 |
| 4588059 | Lock-up clutch control system for automatic transmissions A lock-up clutch control system for automatic transmissions having a lock-up control valve supplied with said line and solenoid pressures in opposite fluid chambers for engaging and releasing a lock-up clutch, the lock-up control valve being constructed t... | 05/13/1986 |
| 4572338 | Lock-up clutch system for vehicular automatic transmission In a hydraulic control system for automatic transmissions of motor vehicles, a lock-up control circuit for controlling a direct-coupling clutch of a torque converter, the lock-up control circuit comprising: a lock-up control valve having a spring-biased v... | 02/25/1986 |
| 4526061 | Stepless automatic transmission for motor vehicles A stepless or continuously variable automatic transmission for motor vehicles including a first shaft coupled with the output shaft of an engine and rotatably supported by the transmission case, a second shaft disposed parallel with the first shaft and su... | 07/02/1985 |
| 4526062 | Stepless automatic transmission for motor vehicles A stepless or continuously variable automatic transmission for motor vehicle, including a first shaft coupled with the output shaft of the engine and rotatably supported by the transmission case consisting of a torque converter case accommodating a fluid ... | 07/02/1985 |
| 4464145 | Belt type stepless shifter In a belt type stepless shifter, movable flanges of pulleys are driven by hydraulic cylinders, and each of the cylinders is provided with a plurality of pressure carrying surfaces disposed in the axial direction, thereby a great amount of torque can be tr... | 08/07/1984 |
| 4419910 | Shift control mechanism in an automatic transmission for vehicles A planetary gear transmission changing forward and reverse drives for vehicles comprises one wet-type brake, one wet-type clutch and a planetary gear set, and is controlled by one shift control valve and one solenoid valve operated by an electric control ... | 12/13/1983 |
| 4385531 | Hydraulic circuit system for automatic transmission A hydraulic circuit system in the automatic transmission has a hydraulic line or passage through which a hydraulic fluid delivered from a hydraulic power source or a hydraulic fluid output provided by a regulator valve is directly supplied to a torque con... | 05/31/1983 |
| 4349088 | Device for controlling a lock-up clutch in an automatic transmission with a lock-up clutch equipped fluid torque converter A device for controlling a lock-up clutch in an automatic transmission having a lock-up clutch equipped fluid torque converter according to this invention comprises a transient release valve which receives pressurized input oil through a hydraulic passage... | 09/14/1982 |
| 4315519 | Governor hydraulic pressure supply apparatus for automatic transmissions A governor hydraulic pressure supply apparatus is provided for use with the vehicle automatic transmission system and includes a governor valve mounted on a rotary output shaft from the automatic transmission, the output shaft having an internal input flu... | 02/16/1982 |
| 4291596 | Flow regulator valve in hydraulic control system for automatic transmission In an hydraulic control system for an automatic transmission of a vehicle, when a low range frictional engagement mechanism is engaged in response to shift-down operation of the transmission, a flow regulator valve serves to steplessly regulate flow of fl... | 09/29/1981 |
