Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Hojo; Yasuo
Address:
Nagoya, JP
No. of patents:
74
Patents:


1 2










Patent Number Title Of Patent Date Issued
7988573 Device and method for controlling belt-type continuously variable transmission August 2, 2011
A control device includes an arrangement for deriving an input torque input to a belt-type continuously variable transmission based on a control amount of a first actuator. The continuously variable transmission includes a first actuator that is provided on a one movable sheave side,
7803076 Belt type continuously variable transmission September 28, 2010
A belt type continuously variable transmission is provided with two pulley shafts arranged in parallel a predetermined distance apart from each other, a movable sheave provided on each pulley shaft and being able to slide in an axial direction thereof, a fixed sheave arranged on each
7753814 Belt type continuously variable transmission July 13, 2010
A belt type continuously variable transmission in which a pulley shaft is supported by bearings provided at two positions that are apart from each other in an axial direction of the pulley shaft and a supply oil passage for supplying hydraulic fluid to a pulley hydraulic chamber includes
7670244 Power transmission system March 2, 2010
A power transmission system having an input member (6) and an output member (2) for transmitting power, and an oil pump (7) for discharging oil by a relative rotation between a first (8, 70) and a second rotary members (9, 87, 88) which is driven by the power transmitted between the
7632201 Hybrid drive apparatus December 15, 2009
A hybrid drive apparatus including an input shaft; a first motor and a second motor; a power distributing planetary gear; an intermediate transmission shaft; and a partition wall provided between a motor part including the first motor and the second motor and a transmission part incl
7137475 Shift device for vehicle November 21, 2006
A shift device, which sends a command signal to an electric actuator for shifting a plurality of gear ranges of a transmission of a vehicle by the electric actuator. The gear ranges include a plurality of drive ranges and a parking range. A shift lever is arranged to move between a neutr
7117970 Shift device for vehicle October 10, 2006
A shift device, which sends a command signal to an electric actuator for shifting a plurality of gear ranges of a transmission of a vehicle by the electric actuator. The gear ranges include a plurality of drive ranges and a parking range. A shift lever is arranged to move between a neutr
7100467 Shift device for vehicle September 5, 2006
A shift device, which sends a command signal to an electric actuator for shifting a plurality of gear ranges of a transmission of a vehicle by the electric actuator. The gear ranges include a plurality of drive ranges and a parking range. A shift lever is arranged to move between a neutr
7048669 Automatic transmission May 23, 2006
The transmission is constructed with a first ring gear and a third ring gear that are firmly connected. A second ring gear and a third carrier are also firmly connected. A second sun gear and a third sun gear are also firmly connected. An input shaft is connectable to a first carrier
7044881 Automatic transmission May 16, 2006
An automatic transmission includes a first rotating element provided by a sun gear of a second planetary gear set, a second rotating element provided by coupling carriers of the second planetary gear set and a third planetary gear set to each other, a third rotating element provided
7029416 Automatic transmission April 18, 2006
An automatic transmission includes a first rotating element provided by coupling a sun gear of a second planetary gear set and a carrier of a third planetary gear set to each other, a second rotating element provided by coupling a carrier of the second planetary gear set and a ring g
6948582 Shift device for vehicle September 27, 2005
A shift device, which sends a command signal to an electric actuator for shifting a plurality of gear ranges of a transmission of a vehicle by the electric actuator. The gear ranges include a plurality of drive ranges and a parking range. A shift lever is arranged to move between a neutr
6929584 Hydraulic pressure control apparatus and method for vehicular automatic transmission August 16, 2005
A switching valve is provided which operates hydraulic friction engaging elements in a combination to establish a fifth speed "5th" when in a first position, and in a combination to establish a third speed "3rd" when in a second position, when a first electromagnetic valve to a fifth
6887178 Automatic transmission May 3, 2005
An automatic transmission includes a first rotating element provided by coupling a sun gear of a second planetary gear set and a carrier of a third planetary gear set to each other, a second rotating element provided by coupling a carrier of the second planetary gear set and a ring gear
6824492 Automatic transmission November 30, 2004
The transmission is constructed with a first ring gear and a third ring gear that are firmly connected. A second ring gear and a third carrier are also firmly connected. A second sun gear and a third sun gear are also firmly connected. An input shaft is connectable to a first carrier via
6808469 Planetary gear type multiple-step transmission for vehicle October 26, 2004
A vehicle planetary gear type multiple-step transmission wherein each of five rotary elements is constituted by sun gears, carriers and ring gears of three planetary gear sets, and speeds of the rotary elements are represented by respective straight lines in a collinear chart, and the
6790160 Control device and control method for a vehicular automatic transmission September 14, 2004
When a clutch is disengaged in a D-N shift, a duty ratio of a linear solenoid in a stand-by state at a constant pressure is calculated according to the following equation by using the following values: a reference duty ratio in a stand-by state at a constant pressure; a correction va
6761664 Shift control device and shift control method for vehicular automatic transmission July 13, 2004
When a current downshift is determined to be a multiple downshift, it is determined whether or not a torque down during a first downshift is in a condition of interfering with learning performed for stabilizing the downshift operation during a second downshift is executed. If the torque
6760655 Automatic engine stop/restart-type vehicle, method of controlling the same, and automatic engine July 6, 2004
An automatic engine stop/restart-type vehicle and control method determine whether a vehicle is in a non-running range. The vehicle comprises: an engine; a transmission, an oil pump and a controller. The transmission has a coupling element that transmits an output torque of the engine. T
6716138 Oil pump control device for automatic transmission and control method of the same April 6, 2004
A condition for driving an electric oil pump is set. A turbine speed or an input speed of an automatic transmission is measured. A correction amount for a hydraulic pressure is calculated on the basis of the turbine speed obtained by reference to a relation between the turbine speed and
6709362 Electric oil pump control device March 23, 2004
An electric oil pump capable of suppressing wear of an electric oil pump used as auxiliary to a main oil pump to thereby prolong the life of the pump and avoid any need to provide a larger pump. An electric oil pump (40) is operated only for a predetermined acceptable operation time, and
6589131 Shift controlling method of a transmission July 8, 2003
A method for controlling gear shifting of a transmission in a vehicle. The transmission is supplied with electric power from a battery or an alternator and drives an actuator to shift gear ranges of the transmission. The transmission has an output shaft that becomes difficult to rota
6463375 Automatic start controlling apparatus of internal combustion engine and detector for detecting e October 8, 2002
An automatic start controlling apparatus for automatically starting an internal combustion engine. A transmission is coupled to the engine. The transmission has a clutch, which is actuated by an oil pump other than the engine when the engine stops. The transmission has an input shaft and
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
5960919 Automatic transmission with a separator for removing oil from the surface of a rotary member October 5, 1999
An automatic transmission including at least one rotary member; a rotary member enclosure enclosing the rotary member; and an oil reservoir arranged below the rotary member enclosure for collecting and reserving the oil. An oil separator is located facing the outer circumference of the
5957800 Shift control system for automatic transmission September 28, 1999
A shift control system of an automatic transmission sets a predetermined gear stage by applying a first frictional engagement element and releasing a second frictional engagement element. A pressure regulating mechanism regulates an oil pressure to be fed to or drained from the first
5947856 Control system for automatic transmission, including coordinated frictional engagement element r September 7, 1999
A control system for an automatic transmission, in which a first frictional engagement element and a second frictional engagement element are released according to a shift from a running range to a non-running range. The shift from the running range to the non-running range is detected,
5921885 Control system for automatic transmission July 13, 1999
An automatic transmission control system is equipped with a pressure modulating valve for regulating the engaging pressure to be supplied to frictional engagement elements for setting respective gear stages of the automatic transmission, a signal pressure output valve for providing s
5725451 Control system for automatic transmission March 10, 1998
A control system for use in an automatic transmission which includes a gear shift mechanism having first and second frictional engagement elements for establishing: a first gear stage with the first frictional engagement element being applied and the second frictional engagement element
5676617 Automatic transmission for vehicles October 14, 1997
An automatic transmission for a vehicle, as provided a plurality of planetary gear units in which the ratios of the tooth numbers of the sun gears to the tooth numbers of the ring gears are different from each other. In the two sets of planetary gear units in which the ratios of the
5674154 Hydraulic control system for automatic transmission October 7, 1997
A hydraulic control system for an automatic transmission to establish a predetermined stage by applying a first frictional engagement element and releasing a second frictional engagement element, comprising: a first hydraulic servo for actuating the first frictional engagement element; a
5665027 Shift control system for automatic transmission September 9, 1997
A shift control system of an automatic transmission for setting a predetermined gear stage by applying first frictional engagement means and releasing second frictional engagement means, comprising: a pressure regulating mechanism for regulating an oil pressure to be fed to or draine
5616094 Hydraulic control system for automatic transmission April 1, 1997
A hydraulic control system for an automatic transmission includes a regulator valve in a hydraulic circuit for supplying pressure to a servo of a frictional engagement element. The regulator valve has an input port, an output port and a drain port. A valve member of the regulator valve
5605516 Oil pressure controller of automatic transmission February 25, 1997
An oil pressure controller of an automatic transmission which is capable of supplying engaging pressures to hydraulic servos of two frictional engaging elements which require different engaging pressures by a single pressure governing valve with a good pressure governing accuracy. The oi
5593365 Control system for automatic transmission January 14, 1997
A control system for an automatic transmission including a main transmission unit for setting a reverse stage and a plurality of forward stages and an auxiliary transmission unit connected in series to the main transmission unit and capable to be changed between two higher and lower
5588927 Control system for automatic transmission December 31, 1996
A control system for an automatic transmission includes a first frictional engagement element and a second frictional engagement element; and a first hydraulic servo for controlling the application/release of the first frictional engagement element and a second hydraulic servo for contro
5527233 Hydraulic control apparatus for controlling an engaging state of a lock-up clutch of an automati June 18, 1996
A hydraulic control apparatus for an automatic transmission of a motor vehicle, the transmission including a lock-up clutch, the apparatus including a lock-up clutch switching valve device which is operable for selectively placing the lock-up clutch in a fully released, a partially e
5522779 Shift control system for automatic transmission June 4, 1996
A shift control system is provided for an automatic transmission having, connected in series, a secondary shifting unit, capable of being shifted between a high speed stage and a low speed stage, and a primary shifting unit which provides plural speed stages including a reverse speed sta
5505670 Automatic transmission April 9, 1996
A lockup clutch of an automatic transmission is controlled so that no shock is produced while the vehicle is running within a predetermined gear stage. The automatic transmission includes a fluid coupling; a lockup clutch provided in the fluid coupling; a shift selector for selecting a
5501642 Shift control system for vehicular automatic transmission March 26, 1996
In order to control the engine output timing always properly irrespective of the aging of an automatic transmission, the present invention provides a shift control system for a vehicular automatic transmission, which system comprises: release end detecting means for detecting the release
5496230 Control system for automatic transmission March 5, 1996
A control system for an automatic transmission, comprising a gear transmission unit for establishing a predetermined gear stage by applying a plurality of frictional engagement elements selectively. The gear transmission unit includes a main transmission portion capable of establishi
5486146 Hydraulic control circuit for automatic transmission January 23, 1996
A hydraulic control circuit for an automatic transmission which has a plurality of hydraulic type frictional engagement elements for switching gear stages and a lockup clutch juxtaposed to a hydraulic power transmission device for transmitting engine power to the gearing. The hydraul
5475595 Speed stage shifting of automatic transmission by composite control phases employing common targ December 12, 1995
An automatic transmission of a vehicle including a speed change gear mechanism including rotary members such as gears and gear carriers and hydraulically operated friction engaging means and adapted to provide various speed stages according to selective engagement and disengagement o
5472389 Hydraulic control system for automatic transmission December 5, 1995
A hydraulic control for an automatic transmission is composed of a gear shift mechanism having first and second frictional engagement elements, a hydraulic control unit for the engagement elements, and an electronic control unit for the hydraulic control unit. The first element is engage
5460577 Automatic transmission October 24, 1995
In an automatic transmission according to the present invention, a coast brake cutoff valve is arranged between a range-pressure-producing manual valve and shift valves and, when changed over, selectively feeds oil to hydraulic engine brake servomotors. An engine brake solenoid valve is
5425687 Shift control system for selecting between two shift patterns based on torque converter judders June 20, 1995
A shift control system controls an automatic transmission of a vehicle wherein half-lock-up control for a lock-up clutch is executed when the running state of the vehicle is in a predetermined operative range. The shift control system includes a half-lock-up control inhibiting unit for
5415056 Shift control system for manually shiftable automatic transmission May 16, 1995
A shift control system for an automatic transmission, comprising a shift unit for selecting by manipulating a shift lever an automatic shift mode, in which a gear stage is determined on the basis of a running state of a vehicle, and a manual shift mode in which a gear state is determined
5411451 Control system for controlling the pressure of the oncoming servo hydraulic pressure based on a May 2, 1995
A control system is provided for servo hydraulic pressure in an automatic transmission. Upon downshifting, one of first and second frictional engagement devices is released while the other is engaged. A directional control valve is provided to feed or drain servo hydraulic pressure to
5403248 Control system for changing servo timings of hydraulic pressure based on a torque input in autom April 4, 1995
A control system is provided for servo hydraulic pressure in an automatic transmission having planetary gear mechanisms. First and second frictional engagement devices, whose servo pressures are reversed in feed/drain relationship between desired two high speed stages, are controlled by
5393275 Shift control system for manually shiftable automatic transmission February 28, 1995
A shift control system for an automatic transmission, includes: a plurality of frictional engagement elements adapted to be hydraulically engaged for setting a plurality of gear stages; and a shift lever for switching between an automatic mode, in which a gear stage is set on the basis o
1 2










 
 
  Recently Added Patents
Radio frequency splitter
Routing of data including multimedia between electronic devices
Integrated circuit packaging system with heat slug and method of manufacture thereof
Liquid dispensing apparatus
Hair motion compositor system for use in a hair/fur pipeline
Methods of isolating bipotent hepatic progenitor cells
Spin transition material
  Randomly Featured Patents
Use of distorting optics in imaging systems
Method and apparatus for designing a workstation
Manipulator for an optical or particle-optical apparatus
Synthetic peptidic substrate for determination of trypsin and .alpha..sub.1
Multiple nozzle on a flexible strap for a garden sprayer
Shell molding process and composition
Diving snorkel
Combination lock
Curved label holder
Positive resist composition, method of forming resist pattern, and polymeric compound